Merge branch 'master' into developer

2021-04-13 11:37:46 +08:00 · 2021-04-13 11:37:46 +08:00 · 46c5ba9225
commit 46c5ba9225
parent 35ef1f9e0f c44e5165be
4043 changed files with 342071 additions and 460447 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -1,3 +1,8 @@
+*.c linguist-language=C
+*.C linguist-language=C
+*.h linguist-language=C
+*.H linguist-language=C
+
 * text=auto

 *.S text
--- a/.gitee/PULL_REQUEST_TEMPLATE.en.md
+++ b/.gitee/PULL_REQUEST_TEMPLATE.en.md
@ -27,3 +27,4 @@ As part of this pull request, I've considered the following:
 - [ ] All modifications to BSP are justified and do not affect other components or BSPs.
 - [ ] I've commented appropriately where code is tricky.
 - [ ] Code in this PR is of high quality.
+- [ ] This PR complies with [RT-Thread code specification](../documentation/coding_style_en.txt)
--- a/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md
+++ b/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md
@ -27,3 +27,4 @@
 - [ ] 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或
 - [ ] 对难懂代码均提供对应的注释
 - [ ] 本拉取/合并请求代码是高质量的
+- [ ] 本拉取/合并符合[RT-Thread代码规范](../documentation/coding_style_cn.md)
--- a/.gitee/PULL_REQUEST_TEMPLATE.zh-TW.md
+++ b/.gitee/PULL_REQUEST_TEMPLATE.zh-TW.md
@ -27,3 +27,4 @@
 - [ ] 所有變更均有原因及合理的，並且不會影響到其他軟件組件代碼或
 - [ ] 對難懂代碼均提供對應的註釋
 - [ ] 本拉取/合並請求代碼是高質量的
+- [ ] 本拉取/合並符合[RT-Thread代碼規範](../documentation/coding_style_cn.md)
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@ -31,3 +31,4 @@ The following content must not be changed in the submitted PR message. Otherwise
 - [ ] 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
 - [ ] 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
 - [ ] 本拉取/合并请求代码是高质量的 Code in this PR is of high quality
+- [ ] 本拉取/合并符合[RT-Thread代码规范](../documentation/coding_style_cn.md) This PR complies with [RT-Thread code specification](../documentation/coding_style_en.txt) 
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@ -32,14 +32,14 @@ jobs:
         - {RTT_BSP: "CME_M7", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "apollo2", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "asm9260t", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "at91sam9260", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "allwinner_tina", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "efm32", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "gd32e230k-start", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "gd32303e-eval", RTT_TOOL_CHAIN: "sourcery-arm"}         
+         - {RTT_BSP: "at91sam9260", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "allwinner_tina", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "efm32", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "gd32e230k-start", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "gd32303e-eval", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "gd32450z-eval", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "imx6sx/cortex-a9", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "imxrt/imxrt1052-atk-commander", RTT_TOOL_CHAIN: "sourcery-arm"}  
+         - {RTT_BSP: "imx6sx/cortex-a9", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "imxrt/imxrt1052-atk-commander", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "imxrt/imxrt1052-fire-pro", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "imxrt/imxrt1052-nxp-evk", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "lm3s8962", RTT_TOOL_CHAIN: "sourcery-arm"}
@ -55,7 +55,7 @@ jobs:
         - {RTT_BSP: "lpc2148", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "lpc2478", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "lpc5410x", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "lpc54114-lite", RTT_TOOL_CHAIN: "sourcery-arm"} 
+         - {RTT_BSP: "lpc54114-lite", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "ls1bdev", RTT_TOOL_CHAIN: "sourcery-mips"}
         - {RTT_BSP: "ls1cdev", RTT_TOOL_CHAIN: "sourcery-mips"}
         - {RTT_BSP: "mb9bf500r", RTT_TOOL_CHAIN: "sourcery-arm"}
@ -63,10 +63,10 @@ jobs:
         - {RTT_BSP: "mb9bf618s", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "mb9bf568r", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "mini2440", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "qemu-vexpress-a9", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "qemu-vexpress-gemini", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "sam7x", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32f072-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
+         - {RTT_BSP: "qemu-vexpress-a9", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "qemu-vexpress-gemini", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "sam7x", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f072-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f091-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f103-atk-nano", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f103-atk-warshipv3", RTT_TOOL_CHAIN: "sourcery-arm"}
@ -74,14 +74,14 @@ jobs:
         - {RTT_BSP: "stm32/stm32f103-dofly-M3S", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f103-fire-arbitrary", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f103-hw100k-ibox", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "stm32/stm32f103-mini-system", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f103-blue-pill", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f103-onenet-nbiot", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f103-yf-ufun", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f107-uc-eval", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f401-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f405-smdz-breadfruit", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f407-atk-explorer", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "stm32/stm32f407-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"} 
+         - {RTT_BSP: "stm32/stm32f407-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f410-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f411-atk-nano", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f411-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
@ -91,45 +91,46 @@ jobs:
         - {RTT_BSP: "stm32/stm32f429-armfly-v6", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f429-atk-apollo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32f429-fire-challenger", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "stm32/stm32f429-st-disco", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32f446-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32f469-st-disco", RTT_TOOL_CHAIN: "sourcery-arm"}  
-         - {RTT_BSP: "stm32/stm32f746-st-disco", RTT_TOOL_CHAIN: "sourcery-arm"}  
-         - {RTT_BSP: "stm32/stm32f767-atk-apollo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32f767-fire-challenger", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32f767-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32g070-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32g071-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32g431-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}  
+         - {RTT_BSP: "stm32/stm32f429-st-disco", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f446-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f469-st-disco", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f746-st-disco", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f767-atk-apollo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f767-fire-challenger", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32f767-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32g070-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32g071-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32g431-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32h743-atk-apollo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32h743-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32h747-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32h750-artpi-h750", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32l4r9-st-eval", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32l010-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
         - {RTT_BSP: "stm32/stm32l053-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "stm32/stm32l412-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32l432-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32l433-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32l475-atk-pandora", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32l475-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32l476-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32l496-ali-developer", RTT_TOOL_CHAIN: "sourcery-arm"}  
-         - {RTT_BSP: "stm32/stm32l496-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32mp157a-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32mp157a-st-ev1", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32/stm32wb55-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "stm32f20x", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "swm320-lq100", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "beaglebone", RTT_TOOL_CHAIN: "sourcery-arm"}  
-         - {RTT_BSP: "zynq7000", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "zynqmp-r5-axu4ev", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "frdm-k64f", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "fh8620", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "xplorer4330/M4", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "at32/at32f403a-start", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "at32/at32f407-start", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "smartfusion2", RTT_TOOL_CHAIN: "sourcery-arm"} 
-         - {RTT_BSP: "raspberry-pico", RTT_TOOL_CHAIN: "sourcery-arm"} 
+         - {RTT_BSP: "stm32/stm32l412-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l432-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l433-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l475-atk-pandora", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l475-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l476-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l496-ali-developer", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l496-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32mp157a-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32mp157a-st-ev1", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32wb55-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32f20x", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "swm320", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "swm320-lq100", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "beaglebone", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "zynqmp-r5-axu4ev", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "frdm-k64f", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "fh8620", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "xplorer4330/M4", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "at32/at32f403a-start", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "at32/at32f407-start", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "smartfusion2", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "raspberry-pico", RTT_TOOL_CHAIN: "sourcery-arm"}
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python
@ -144,13 +145,13 @@ jobs:
          sudo apt-get -qq install gcc-multilib libsdl-dev scons
          echo "RTT_ROOT=${{ github.workspace }}" >> $GITHUB_ENV
          echo "RTT_CC=gcc" >> $GITHUB_ENV
-    
+
      - name: Install Arm ToolChains
        if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-arm' && success() }}
        shell: bash
        run: |
-          wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/arm-2017q2-v6/gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2 
-          sudo tar xjf gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2 -C /opt  
+          wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/arm-2017q2-v6/gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2
+          sudo tar xjf gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2 -C /opt
          /opt/gcc-arm-none-eabi-6-2017-q2-update/bin/arm-none-eabi-gcc --version
          echo "RTT_EXEC_PATH=/opt/gcc-arm-none-eabi-6-2017-q2-update/bin" >> $GITHUB_ENV

@ -158,8 +159,8 @@ jobs:
        if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-mips' && success() }}
        shell: bash
        run: |
-          wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.1/mips-2016.05-7-mips-sde-elf-i686-pc-linux-gnu.tar.bz2 
-          sudo tar xjf mips-2016.05-7-mips-sde-elf-i686-pc-linux-gnu.tar.bz2 -C /opt  
+          wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.1/mips-2016.05-7-mips-sde-elf-i686-pc-linux-gnu.tar.bz2
+          sudo tar xjf mips-2016.05-7-mips-sde-elf-i686-pc-linux-gnu.tar.bz2 -C /opt
          /opt/mips-2016.05/bin/mips-sde-elf-gcc --version
          echo "RTT_EXEC_PATH=/opt/mips-2016.05/bin" >> $GITHUB_ENV

--- a/.github/workflows/file_check.yml
+++ b/.github/workflows/file_check.yml
@ -0,0 +1,20 @@
+name: Check File Format and License
+
+on: [pull_request]
+
+jobs:
+  scancode_job:
+    runs-on: ubuntu-latest
+    name: Scan code format and license
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@master
+        with:
+          python-version: 3.8
+      
+      - name: Check Format and License
+        shell: bash
+        run: |
+          pip install click chardet PyYaml
+          python tools/file_check.py check 'https://github.com/RT-Thread/rt-thread' 'master'
--- a/.gitignore
+++ b/.gitignore
@ -35,3 +35,6 @@ ncscope.*
 #ctag files
 tags

+.idea
+CMakeLists.txt
+cmake-build-debug
--- a/.ignore_format.yml
+++ b/.ignore_format.yml
@ -0,0 +1,9 @@
+# files format check exclude path, please follow the instructions below to modify; 
+# If you need to exclude an entire folder, add the folder path in dir_path;
+# If you need to exclude a file, add the path to the file in file_path.
+
+file_path:
+- bsp/allwinner_tina/libcpu/cpu.c
+
+dir_path:
+- tools
--- a/1
+++ b/1
@ -107,7 +107,6 @@ pipeline {
                        ['stm32f20x', 'sourcery-arm'],
                        ['swm320-lq100', 'sourcery-arm'],
                        ['beaglebone', 'sourcery-arm'],
-                        ['zynq7000', 'sourcery-arm'],
                        ['frdm-k64f', 'sourcery-arm'],
                        ['fh8620', 'sourcery-arm'],
                        ['xplorer4330/M4', 'sourcery-arm'],
--- a/bsp/CME_M7/applications/application.c
+++ b/bsp/CME_M7/applications/application.c
@ -1,11 +1,7 @@
 /*
- * File      : application.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2014, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -32,10 +28,10 @@ int rt_application_init()

    tid = rt_thread_create("init",
        rt_init_thread_entry,
-		RT_NULL,
+        RT_NULL,
        2048,
-		RT_THREAD_PRIORITY_MAX/3,
-		20);
+        RT_THREAD_PRIORITY_MAX/3,
+        20);

    if (tid != RT_NULL)
        rt_thread_startup(tid);
--- a/bsp/CME_M7/drivers/board.c
+++ b/bsp/CME_M7/drivers/board.c
@ -1,11 +1,7 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009-2014, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/CME_M7/drivers/board.h
+++ b/bsp/CME_M7/drivers/board.h
@ -1,11 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009-2014, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -18,7 +14,7 @@
 #include "cmem7_includes.h"
 //#include "cmem7_retarget.h"

-#define SRAM_SIZE         64	// KB
+#define SRAM_SIZE         64    // KB
 #define SRAM_END          (0x20000000 + SRAM_SIZE * 1024)

 //#define RT_USING_UART0
--- a/bsp/allwinner_tina/applications/main.c
+++ b/bsp/allwinner_tina/applications/main.c
@ -1,21 +1,7 @@
 /*
- * File      : main.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/board.c
+++ b/bsp/allwinner_tina/drivers/board.c
@ -1,21 +1,7 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/board.h
+++ b/bsp/allwinner_tina/drivers/board.h
@ -1,21 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/drv_clock.c
+++ b/bsp/allwinner_tina/drivers/drv_clock.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_clock.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -541,7 +527,7 @@ rt_err_t mmc_set_clk(enum mmc_clk_id clk_id, int hz)
        *mmc_clk &= ~(0x1 << 31);
        return RT_EOK;
    }
-    
+
    if (hz <= 24000000)
    {
        pll = (0x0 << 24);
@ -593,7 +579,7 @@ rt_err_t mmc_set_clk(enum mmc_clk_id clk_id, int hz)
        oclk_dly = 1;
        sclk_dly = 4;
    }
-    
+
    *mmc_clk = (0x1 << 31) | pll | (sclk_dly << 20) | \
           (n << 16) | (oclk_dly << 8) | (div - 1);

--- a/bsp/allwinner_tina/drivers/drv_clock.h
+++ b/bsp/allwinner_tina/drivers/drv_clock.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_clock.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -252,4 +238,4 @@ rt_err_t dram_gate_clk_enable(enum dram_gate dram_gate);
 rt_err_t dram_gate_clk_disable(enum dram_gate dram_gate);

 rt_err_t mmc_set_clk(enum mmc_clk_id clk_id, int hz);
-#endif
+#endif
--- a/bsp/allwinner_tina/drivers/drv_gpio.c
+++ b/bsp/allwinner_tina/drivers/drv_gpio.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_gpio.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/drv_gpio.h
+++ b/bsp/allwinner_tina/drivers/drv_gpio.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_gpio.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -241,4 +227,4 @@ void gpio_set_debounce(enum gpio_port port, rt_uint8_t prescaler);
 void gpio_set_irq_callback(enum gpio_port port, enum gpio_pin pin, void (*irq_cb)(void *), void *irq_arg);
 int rt_hw_gpio_init(void);

-#endif /* __DRV_GPIO_H__ */
+#endif /* __DRV_GPIO_H__ */
--- a/bsp/allwinner_tina/drivers/drv_sdio.c
+++ b/bsp/allwinner_tina/drivers/drv_sdio.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_sdio.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -34,10 +20,10 @@


 #define DBG_TAG  "MMC"
-// #define DBG_LVL DBG_LOG    
-// #define DBG_LVL DBG_INFO   
+// #define DBG_LVL DBG_LOG
+// #define DBG_LVL DBG_INFO
 #define DBG_LVL DBG_WARNING
-// #define DBG_LVL DBG_ERROR  
+// #define DBG_LVL DBG_ERROR
 #include <rtdbg.h>

 #ifdef RT_USING_SDIO
@ -47,12 +33,12 @@
 struct mmc_xfe_des
 {
    rt_uint32_t size;    /* block size  */
-	rt_uint32_t num;     /* block num   */
-	rt_uint8_t *buff;    /* buff addr   */
-	rt_uint32_t flag;    /* write or read or stream */
-#define MMC_DATA_WRITE	(1 << 0)
-#define MMC_DATA_READ	(1 << 1)
-#define MMC_DATA_STREAM	(1 << 2)
+    rt_uint32_t num;     /* block num   */
+    rt_uint8_t *buff;    /* buff addr   */
+    rt_uint32_t flag;    /* write or read or stream */
+#define MMC_DATA_WRITE  (1 << 0)
+#define MMC_DATA_READ   (1 << 1)
+#define MMC_DATA_STREAM (1 << 2)
 };

 struct mmc_flag
@ -71,7 +57,7 @@ struct sdio_drv
    tina_mmc_t mmc_des;
    rt_uint8_t *mmc_buf;
    rt_uint8_t usedma;
-    
+
 };

 #ifdef CONFIG_MMC_USE_DMA
@ -136,7 +122,7 @@ static int mmc_update_clk(tina_mmc_t mmc)
    mmc->risr_reg = mmc->risr_reg;
    return RT_EOK;
 }
-    
+
 static rt_err_t mmc_trans_data_by_dma(tina_mmc_t mmc, struct mmc_xfe_des *xfe)
 {
    ALIGN(32) static struct mmc_des_v4p1 pdes[128];  // mast ALIGN(32)
@ -145,7 +131,7 @@ static rt_err_t mmc_trans_data_by_dma(tina_mmc_t mmc, struct mmc_xfe_des *xfe)
    unsigned length = xfe->size * xfe->num;
    unsigned buff_frag_num = length >> SDXC_DES_NUM_SHIFT;
    unsigned remain = length & (SDXC_DES_BUFFER_MAX_LEN - 1);
-    
+
    if (remain)
    {
        buff_frag_num ++;
@ -156,7 +142,7 @@ static rt_err_t mmc_trans_data_by_dma(tina_mmc_t mmc, struct mmc_xfe_des *xfe)
    }
    memset(pdes, 0, sizeof(pdes));
    mmu_clean_dcache((rt_uint32_t)(xfe->buff), length);
-    for (i = 0, des_idx = 0; i < buff_frag_num; i++, des_idx++) 
+    for (i = 0, des_idx = 0; i < buff_frag_num; i++, des_idx++)
    {
        // memset((void*)&pdes[des_idx], 0, sizeof(struct mmc_v4p1));
        pdes[des_idx].des_chain = 1;
@ -182,8 +168,8 @@ static rt_err_t mmc_trans_data_by_dma(tina_mmc_t mmc, struct mmc_xfe_des *xfe)
            pdes[des_idx].last_des = 1;
            pdes[des_idx].end_of_ring = 1;
            pdes[des_idx].buf_addr_ptr2 = 0;
-        } 
-        else 
+        }
+        else
        {
            pdes[des_idx].buf_addr_ptr2 = (unsigned long)&pdes[des_idx+1];
        }
@ -217,7 +203,7 @@ static rt_err_t mmc_trans_data_by_dma(tina_mmc_t mmc, struct mmc_xfe_des *xfe)
    mmc->dmac_reg = (1 << 1) | (1 << 7);        /* idma on              */
    rval = mmc->idie_reg & (~3);
    if (xfe->flag == MMC_DATA_WRITE)
-        rval |= (1 << 0);        
+        rval |= (1 << 0);
    else
        rval |= (1 << 1);
    mmc->idie_reg = rval;
@ -236,7 +222,7 @@ static rt_err_t mmc_trans_data_by_cpu(tina_mmc_t mmc, struct mmc_xfe_des *xfe)

    if (xfe->flag == MMC_DATA_WRITE)
    {
-        for (i = 0; i < (byte_cnt >> 2); i++) 
+        for (i = 0; i < (byte_cnt >> 2); i++)
        {
            while(--timeout && (mmc->star_reg & (1 << 3)));

@ -251,7 +237,7 @@ static rt_err_t mmc_trans_data_by_cpu(tina_mmc_t mmc, struct mmc_xfe_des *xfe)
    }
    else
    {
-        for (i = 0; i < (byte_cnt >> 2); i++) 
+        for (i = 0; i < (byte_cnt >> 2); i++)
        {
            while(--timeout && (mmc->star_reg & (1 << 2)));

@ -290,7 +276,7 @@ static rt_err_t mmc_config_clock(tina_mmc_t mmc, int clk)
    {
        mmc_set_clk(SDMMC1, clk);
    }
-    
+
    /* Re-enable card clock */
    rval = mmc->ckcr_reg;
    rval |=  (0x1 << 16); //(3 << 16);
@ -383,7 +369,7 @@ static int mmc_send_cmd(struct rt_mmcsd_host *host, struct rt_mmcsd_cmd *cmd)
        cmdval |= (1 << 7);
    if ((resp_type(cmd) != RESP_R3) && (resp_type(cmd) != RESP_R4))
        cmdval |= (1 << 8);
-    
+
    if (data)
    {
        cmdval |= (1 << 9) | (1 << 13);
@ -606,7 +592,7 @@ static void sdio_request_send(struct rt_mmcsd_host *host, struct rt_mmcsd_req *r

    memset(&sdio->flag, 0, sizeof(struct mmc_flag));
    mmc_send_cmd(host, req->cmd);
-    
+
    return;
 }

--- a/bsp/allwinner_tina/drivers/drv_sdio.h
+++ b/bsp/allwinner_tina/drivers/drv_sdio.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_sdio.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -133,8 +119,8 @@ REG[31]  : Load cmd
 #define SDXC_UPDATE_CLOCK_CMD    BIT(21)
 #define SDXC_LOAD_CMD            BIT(31)

-/* 
-    SD status reg 
+/*
+    SD status reg
 REG[0]   : FIFO_RX_LEVEL
 REG[1]   : FIFO_TX_LEVEL
 REG[2]   : FIFO_EMPTY
@ -143,7 +129,7 @@ REG[4-7] : FSM_STA
 REG[8]   : CARD_PRESENT
 REG[9]   : CARD_BUSY
 REG[10]  : FSM_BUSY
-REG[11-16]: RESP_IDX 
+REG[11-16]: RESP_IDX
 REG[17-21]: FIFO_LEVEL
 REG[31]   : DMA_REQ
 */
--- a/bsp/allwinner_tina/drivers/drv_uart.c
+++ b/bsp/allwinner_tina/drivers/drv_uart.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_uart.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -324,4 +310,4 @@ void uart_irq_handler(int irqno, void *param)

 }

-#endif
+#endif
--- a/bsp/allwinner_tina/drivers/drv_uart.h
+++ b/bsp/allwinner_tina/drivers/drv_uart.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_uart.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/spi/drv_spi.c
+++ b/bsp/allwinner_tina/drivers/spi/drv_spi.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_spi.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/spi/drv_spi.h
+++ b/bsp/allwinner_tina/drivers/spi/drv_spi.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_spi.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/drivers/spi/drv_spi_flash.c
+++ b/bsp/allwinner_tina/drivers/spi/drv_spi_flash.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_spi_flash.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -65,4 +51,4 @@ INIT_PREV_EXPORT(rt_hw_spi_flash_with_sfud_init);

 #endif

-#endif
+#endif
--- a/bsp/allwinner_tina/libcpu/context_gcc.S
+++ b/bsp/allwinner_tina/libcpu/context_gcc.S
@ -1,21 +1,7 @@
 ;/*
-; * File      : context_iar.S
-; * This file is part of RT-Thread RTOS
-; * COPYRIGHT (C) 2006, RT-Thread Development Team
+; * Copyright (c) 2006-2021, RT-Thread Development Team
 ; *
-; *  This program is free software; you can redistribute it and/or modify
-; *  it under the terms of the GNU General Public License as published by
-; *  the Free Software Foundation; either version 2 of the License, or
-; *  (at your option) any later version.
-; *
-; *  This program is distributed in the hope that it will be useful,
-; *  but WITHOUT ANY WARRANTY; without even the implied warranty of
-; *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-; *  GNU General Public License for more details.
-; *
-; *  You should have received a copy of the GNU General Public License along
-; *  with this program; if not, write to the Free Software Foundation, Inc.,
-; *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+; * SPDX-License-Identifier: Apache-2.0
 ; *
 ; * Change Logs:
 ; * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/cpu.c
+++ b/bsp/allwinner_tina/libcpu/cpu.c
@ -1,21 +1,7 @@
 /*
- * File      : cpu.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/cpuport.c
+++ b/bsp/allwinner_tina/libcpu/cpuport.c
@ -1,21 +1,7 @@
 /*
- * File      : cpuport.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/interrupt.c
+++ b/bsp/allwinner_tina/libcpu/interrupt.c
@ -1,25 +1,12 @@
 /*
- * File      : interrupt.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2018-02-08     RT-Thread    the first version
+ * 2020-03-02     Howard Su    Use structure to access registers
 */

 #include <rthw.h>
@ -38,9 +25,6 @@ static void rt_hw_interrupt_handler(int vector, void *param)
    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }

-#define readl(addr)           (*(volatile unsigned int *)(addr))
-#define writel(value,addr)    (*(volatile unsigned int *)(addr) = (value))
-
 /**
 * This function will initialize hardware interrupt
 */
@ -63,20 +47,20 @@ void rt_hw_interrupt_init(void)
    /* set base_addr reg */
    INTC->base_addr_reg = 0x00000000;
    /* clear enable */
-    INTC->en_reg0 = 0x00000000;
-    INTC->en_reg1 = 0x00000000;
+    INTC->en_reg[0] = 0x00000000;
+    INTC->en_reg[1] = 0x00000000;
    /* mask interrupt */
-    INTC->mask_reg0 = 0xFFFFFFFF;
-    INTC->mask_reg1 = 0xFFFFFFFF;
+    INTC->mask_reg[0] = 0xFFFFFFFF;
+    INTC->mask_reg[1] = 0xFFFFFFFF;
    /* clear pending */
-    INTC->pend_reg0 = 0x00000000;
-    INTC->pend_reg1 = 0x00000000;
+    INTC->pend_reg[0] = 0x00000000;
+    INTC->pend_reg[1] = 0x00000000;
    /* set priority */
-    INTC->resp_reg0 = 0x00000000;
-    INTC->resp_reg1 = 0x00000000;
+    INTC->resp_reg[0] = 0x00000000;
+    INTC->resp_reg[1] = 0x00000000;
    /* close fiq interrupt */
-    INTC->ff_reg0 = 0x00000000;
-    INTC->ff_reg1 = 0x00000000;
+    INTC->ff_reg[0] = 0x00000000;
+    INTC->ff_reg[1] = 0x00000000;
 }

 /**
@ -85,20 +69,16 @@ void rt_hw_interrupt_init(void)
 */
 void rt_hw_interrupt_mask(int vector)
 {
-    rt_uint32_t mask_addr, data;
-
+    int index;
    if ((vector < 0) || (vector > INTERRUPTS_MAX))
    {
        return;
    }

-    mask_addr = (rt_uint32_t)(&INTC->mask_reg0);
-    mask_addr += vector & 0xE0 ? sizeof(rt_uint32_t *) : 0;
+    index = (vector & 0xE0) != 0;
+    vector = (vector & 0x1F);

-    vector &= 0x1F;
-    data = readl(mask_addr);
-    data |= 0x1 << vector;
-    writel(data, mask_addr);
+    INTC->mask_reg[index] |= 1 << vector;
 }

 /**
@ -108,20 +88,16 @@ void rt_hw_interrupt_mask(int vector)
 */
 void rt_hw_interrupt_umask(int vector)
 {
-    rt_uint32_t mask_addr, data;
-
+    int index;
    if ((vector < 0) || (vector > INTERRUPTS_MAX))
    {
        return;
    }

-    mask_addr = (rt_uint32_t)(&INTC->mask_reg0);
-    mask_addr += vector & 0xE0 ? sizeof(rt_uint32_t *) : 0;
+    index = (vector & 0xE0) != 0;
+    vector = (vector & 0x1F);

-    vector &= 0x1F;
-    data = readl(mask_addr);
-    data &= ~(0x1 << vector);
-    writel(data, mask_addr);
+    INTC->mask_reg[index] &= ~(1 << vector);
 }

 /**
@ -136,7 +112,7 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
        void *param, const char *name)
 {
    rt_isr_handler_t old_handler = RT_NULL;
-    rt_uint32_t pend_addr, en_addr, data;
+    int index;

    if ((vector < 0) || (vector > INTERRUPTS_MAX))
    {
@ -151,19 +127,11 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
    isr_table[vector].handler = handler;
    isr_table[vector].param = param;

-    pend_addr = (rt_uint32_t)(&INTC->pend_reg0);
-    en_addr = (rt_uint32_t)(&INTC->en_reg0);
-    pend_addr += vector & 0xE0 ? sizeof(rt_uint32_t *) : 0;
-    en_addr += vector & 0xE0 ? sizeof(rt_uint32_t *) : 0;
+    index = (vector & 0xE0) != 0;
+    vector = (vector & 0x1F);

-    vector &= 0x1F;
-    data = readl(pend_addr);
-    data &= ~(0x1 << vector);
-    writel(data, pend_addr);
-
-    data = readl(en_addr);
-    data |= 0x1 << vector;
-    writel(data, en_addr);
+    INTC->pend_reg[index] &= ~(0x1 << vector);
+    INTC->en_reg[index] |= 0x1 << vector;

    return old_handler;
 }
@ -173,7 +141,7 @@ void rt_interrupt_dispatch(rt_uint32_t fiq_irq)
    void *param;
    int vector;
    rt_isr_handler_t isr_func;
-    rt_uint32_t pend_addr, data;
+    int index;

    vector = INTC->vector_reg - INTC->base_addr_reg;
    vector = vector >> 2;
@ -184,13 +152,11 @@ void rt_interrupt_dispatch(rt_uint32_t fiq_irq)
    /* jump to fun */
    isr_func(vector, param);
    /* clear pend bit */
-    pend_addr = (rt_uint32_t)(&INTC->pend_reg0);
-    pend_addr += vector & 0xE0 ? sizeof(rt_uint32_t *) : 0;

-    vector &= 0x1F;
-    data = readl(pend_addr);
-    data &= ~(0x1 << vector);
-    writel(data, pend_addr);
+    index = (vector & 0xE0) != 0;
+    vector = (vector & 0x1F);
+
+    INTC->pend_reg[index] &= ~(0x1 << vector);

 #ifdef RT_USING_INTERRUPT_INFO
    isr_table[vector].counter ++;
--- a/bsp/allwinner_tina/libcpu/interrupt.h
+++ b/bsp/allwinner_tina/libcpu/interrupt.h
@ -1,25 +1,12 @@
 /*
- * File      : interrupt.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2018-02-08     RT-Thread    the first version
+ * 2020-03-2      Howard Su    Define same regsiters as an array
 */
 #ifndef __INTERRUPT_H__
 #define __INTERRUPT_H__
@ -74,34 +61,21 @@ struct tina_intc
    volatile rt_uint32_t base_addr_reg;    /* 0x04 */
    volatile rt_uint32_t reserved0;
    volatile rt_uint32_t nmi_ctrl_reg;     /* 0x0C */
-    volatile rt_uint32_t pend_reg0;        /* 0x10 */
-    volatile rt_uint32_t pend_reg1;        /* 0x14 */
+    volatile rt_uint32_t pend_reg[2];        /* 0x10, 0x14 */
    volatile rt_uint32_t reserved1[2];
-    volatile rt_uint32_t en_reg0;          /* 0x20 */
-    volatile rt_uint32_t en_reg1;          /* 0x24 */
+    volatile rt_uint32_t en_reg[2];          /* 0x20, 0x24 */
    volatile rt_uint32_t reserved2[2];
-    volatile rt_uint32_t mask_reg0;        /* 0x30 */
-    volatile rt_uint32_t mask_reg1;        /* 0x34 */
+    volatile rt_uint32_t mask_reg[2];        /* 0x30, 0x34 */
    volatile rt_uint32_t reserved3[2];
-    volatile rt_uint32_t resp_reg0;        /* 0x40 */
-    volatile rt_uint32_t resp_reg1;        /* 0x44 */
+    volatile rt_uint32_t resp_reg[2];        /* 0x40, 0x44 */
    volatile rt_uint32_t reserved4[2];
-    volatile rt_uint32_t ff_reg0;          /* 0x50 */
-    volatile rt_uint32_t ff_reg1;          /* 0x54 */
+    volatile rt_uint32_t ff_reg[2];          /* 0x50, 0x54 */
    volatile rt_uint32_t reserved5[2];
-    volatile rt_uint32_t prio_reg0;        /* 0x60 */
-    volatile rt_uint32_t prio_reg1;        /* 0x64 */
-    volatile rt_uint32_t prio_reg2;        /* 0x68 */
-    volatile rt_uint32_t prio_reg3;        /* 0x6C */
+    volatile rt_uint32_t prio_reg[4];        /* 0x60 - 0x6c */
 } ;

 typedef struct tina_intc *tina_intc_t;

 #define INTC ((tina_intc_t)INTC_BASE_ADDR)

-void rt_hw_interrupt_init(void);
-void rt_hw_interrupt_mask(int vector);
-void rt_hw_interrupt_umask(int vector);
-rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, void *param, const char *name);
-
 #endif /* __INTERRUPT_H__ */
--- a/bsp/allwinner_tina/libcpu/mmu.c
+++ b/bsp/allwinner_tina/libcpu/mmu.c
@ -1,21 +1,7 @@
 /*
- * File      : mmu.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/mmu.h
+++ b/bsp/allwinner_tina/libcpu/mmu.h
@ -1,21 +1,7 @@
 /*
- * File      : mmu.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/rt_low_level_init.c
+++ b/bsp/allwinner_tina/libcpu/rt_low_level_init.c
@ -1,21 +1,7 @@
 /*
- * File      : rt_low_level_init.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/stack.c
+++ b/bsp/allwinner_tina/libcpu/stack.c
@ -1,21 +1,7 @@
 /*
- * File      : stack.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/allwinner_tina/libcpu/trap.c
+++ b/bsp/allwinner_tina/libcpu/trap.c
@ -1,21 +1,7 @@
 /*
- * File      : trap.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/amebaz/applications/main.c
+++ b/bsp/amebaz/applications/main.c
@ -1,11 +1,7 @@
 /*
- * File      : startup.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/amebaz/applications/smartconfig_app.c
+++ b/bsp/amebaz/applications/smartconfig_app.c
@ -1,21 +1,7 @@
 /*
- * File      : smartconfig_demo.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/amebaz/drivers/board.c
+++ b/bsp/amebaz/drivers/board.c
@ -1,11 +1,7 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -44,7 +40,7 @@ void __wrap_rtl_printf(const char *fmt, ...)
     * length. */
    length = rt_vsnprintf(rt_log_buf, sizeof(rt_log_buf) - 1, fmt, args);
    if (length > RT_CONSOLEBUF_SIZE - 1)
-        length = RT_CONSOLEBUF_SIZE - 1;    
+        length = RT_CONSOLEBUF_SIZE - 1;
    rt_kprintf("%s", rt_log_buf);
    va_end(args);
 }
@ -89,11 +85,11 @@ void rt_hw_board_init(void)
 #ifdef RT_USING_HEAP
        rt_system_heap_init((void*)HEAP_BEGIN, (void*)HEAP_END);
 #endif
-    
+
 #ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
 #endif
-    
+
 #ifdef RT_USING_CONSOLE
    rt_hw_uart_init();
    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
--- a/bsp/amebaz/drivers/board.h
+++ b/bsp/amebaz/drivers/board.h
@ -1,11 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/amebaz/drivers/drv_uart.c
+++ b/bsp/amebaz/drivers/drv_uart.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_uart.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -125,7 +111,7 @@ static int ameba_uart_getc (struct rt_serial_device *serial)
 {
    struct device_uart* uart = serial->parent.user_data;

-	if(!serial_readable(&uart->serial))
+    if(!serial_readable(&uart->serial))
        return -1;

    /* Receive Data Available */
@ -140,13 +126,13 @@ static rt_size_t ameba_uart_dma_transmit (struct rt_serial_device *serial, rt_ui
 static void ameba_uart_irq(uint32_t id, SerialIrq event)
 {
    struct rt_serial_device *serial = (struct rt_serial_device *)id;
-	if(event == RxIrq)
+    if(event == RxIrq)
    {
        rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
-	}
-	else if(event == TxIrq)
+    }
+    else if(event == TxIrq)
    {
-	}
+    }
 }

 static rt_err_t dbg_configure(struct rt_serial_device *serial, struct serial_configure *cfg);
@ -155,7 +141,7 @@ static int dbg_putc(struct rt_serial_device *serial, char c);
 static int dbg_getc(struct rt_serial_device *serial);

 static struct rt_serial_device ameba_dbg_serial;
-const struct rt_uart_ops _ambed_dbg_ops = 
+const struct rt_uart_ops _ambed_dbg_ops =
 {
    dbg_configure,
    dbg_control,
@ -177,7 +163,7 @@ void dbg_uart_irq_handler(void * data)
    DiagSetIsrEnReg(0);

    rt_hw_serial_isr(&ameba_dbg_serial, RT_SERIAL_EVENT_RX_IND);
-    
+
    DiagSetIsrEnReg(IrqEn);
 }

@ -192,9 +178,9 @@ static rt_err_t dbg_control(struct rt_serial_device *serial, int cmd, void *arg)

    case RT_DEVICE_CTRL_SET_INT:
        /* install interrupt */
-    	DIAG_UartReInit((IRQ_FUN) dbg_uart_irq_handler);
+        DIAG_UartReInit((IRQ_FUN) dbg_uart_irq_handler);
        /* Enable the UART Interrupt */
-    	NVIC_SetPriority(UART_LOG_IRQ, 10); /* this is rom_code_patch */
+        NVIC_SetPriority(UART_LOG_IRQ, 10); /* this is rom_code_patch */
        break;
    }

@ -214,12 +200,12 @@ static int dbg_getc(struct rt_serial_device *serial)

    if(!UART_Readable(UART2_DEV))
        return -1;
-    
+
    c = DiagGetChar(_FALSE);

    return c;
 }
- 
+
 /*
 * UART Initiation
 */
@ -231,7 +217,7 @@ int rt_hw_uart_init(void)
 #ifdef BSP_USING_UART0
    {
        struct device_uart      *uart;
-        
+
        serial  = &serial0;
        uart    = &uart0;

@ -256,7 +242,7 @@ int rt_hw_uart_init(void)

        serial->ops = &_ambed_dbg_ops;
        serial->config = config;
-        
+
        rt_hw_serial_register(serial,
                              RT_CONSOLE_DEVICE_NAME,
                              RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
--- a/bsp/amebaz/drivers/drv_uart.h
+++ b/bsp/amebaz/drivers/drv_uart.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_uart.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/amebaz/drivers/wlan/drv_wifi.c
+++ b/bsp/amebaz/drivers/wlan/drv_wifi.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_wifi.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -115,7 +101,7 @@ void netif_pre_sleep_processing(void)
 }

 unsigned char *rltk_wlan_get_ip(int idx)
-{   
+{
    struct ameba_wifi *wifi;

    wifi = rthw_wifi_get_dev(idx);
@ -130,7 +116,7 @@ unsigned char *rltk_wlan_get_ip(int idx)

 int netif_is_valid_IP(int idx, unsigned char *ip_dest)
 {
-    LOG_D("F:%s L:%d is run ip: %d:%d:%d:%d", __FUNCTION__, __LINE__, 
+    LOG_D("F:%s L:%d is run ip: %d:%d:%d:%d", __FUNCTION__, __LINE__,
        ip_dest[0], ip_dest[1], ip_dest[2], ip_dest[3]);
    return 1;
 }
@ -376,9 +362,9 @@ static rt_err_t rthw_wlan_join                 (struct rt_wlan_device *wlan, str
            ssid = &sta_info->ssid.val[0];
        if (sta_info->key.len > 0)
            key = &sta_info->key.val[0];
-            LOG_D("bssid connect bssid: %02x:%02x:%02x:%02x:%02x:%02x ssid:%s ssid_len:%d key:%s key_len%d", 
+            LOG_D("bssid connect bssid: %02x:%02x:%02x:%02x:%02x:%02x ssid:%s ssid_len:%d key:%s key_len%d",
            sta_info->bssid[0],sta_info->bssid[1],sta_info->bssid[2],sta_info->bssid[3],sta_info->bssid[4],sta_info->bssid[5],
-            ssid, 
+            ssid,
            sta_info->ssid.len,
            key,
            sta_info->key.len
@ -608,7 +594,7 @@ exit:
    return RT_EOK;
 }

-static const struct rt_wlan_dev_ops ops = 
+static const struct rt_wlan_dev_ops ops =
 {
    .wlan_init             =     rthw_wlan_init           ,
    .wlan_mode             =     rthw_wlan_mode           ,
--- a/bsp/amebaz/drivers/wlan/drv_wifi.h
+++ b/bsp/amebaz/drivers/wlan/drv_wifi.h
@ -1,27 +1,13 @@
 /*
- * File      : drv_wifi.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2017-5-30      Bernard      the first version
 */
- 
+
 #ifndef __DRV_WIFI_H__
 #define __DRV_WIFI_H__

--- a/bsp/amebaz/drivers/wlan/drv_wlan.c
+++ b/bsp/amebaz/drivers/wlan/drv_wlan.c
@ -1,21 +1,7 @@
 /*
- * File      : drv_wlan.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -151,20 +137,20 @@ int rthw_wifi_ap_start(char *ssid, char *password, int channel)
        return -1;
    }

-    while(1) 
+    while(1)
    {
        char essid[33];
        if(wext_get_ssid(name, (unsigned char *) essid) > 0)
        {
-            if(strcmp((const char *) essid, (const char *)ssid) == 0) 
+            if(strcmp((const char *) essid, (const char *)ssid) == 0)
            {
                rt_kprintf("%s started\n", ssid);
                break;
            }
        }
-        if(timeout == 0) 
+        if(timeout == 0)
        {
-            rt_kprintf("Start AP timeout\n");   
+            rt_kprintf("Start AP timeout\n");
            return -1;
        }
        rt_thread_delay(1 * RT_TICK_PER_SECOND);
@ -183,7 +169,7 @@ static int rthw_wifi_disconnect(char *name)
    if (name == RT_NULL)
        return -1;

-    if (wext_get_ssid(name, (unsigned char *) essid) < 0) 
+    if (wext_get_ssid(name, (unsigned char *) essid) < 0)
    {
        rt_kprintf("\nWIFI disconnected!\n");
        return -1;
@ -203,7 +189,7 @@ static int rthw_wifi_disconnect(char *name)
            break;
        }

-        if(timeout == 0) 
+        if(timeout == 0)
        {
            rt_kprintf("ERROR: Deassoc timeout!\n");
            return -1;
@ -259,7 +245,7 @@ int rthw_wifi_ap_disconnect(void)

 int rthw_wifi_rssi_get(void)
 {
-    int rssi = 0;   
+    int rssi = 0;
    wifi_get_rssi(&rssi);
    return rssi;
 }
--- a/bsp/amebaz/drivers/wlan/drv_wlan.h
+++ b/bsp/amebaz/drivers/wlan/drv_wlan.h
@ -1,21 +1,7 @@
 /*
- * File      : drv_wlan.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -25,14 +11,14 @@
 #ifndef __DRV_WLAN_H__
 #define __DRV_WLAN_H__

-typedef enum 
+typedef enum
 {
-	RTHW_MODE_NONE = 0,
-	RTHW_MODE_STA,
-	RTHW_MODE_AP,
-	RTHW_MODE_STA_AP,
-	RTHW_MODE_PROMISC,
-	RTHW_MODE_P2P
+    RTHW_MODE_NONE = 0,
+    RTHW_MODE_STA,
+    RTHW_MODE_AP,
+    RTHW_MODE_STA_AP,
+    RTHW_MODE_PROMISC,
+    RTHW_MODE_P2P
 }rthw_mode_t;

 #define SHARED_ENABLED  0x00008000
@ -66,7 +52,7 @@ typedef enum {
 typedef enum {
    RTHW_WIFI_EVENT_CONNECT = 0,
    RTHW_WIFI_EVENT_DISCONNECT = 1,
-    RTHW_WIFI_EVENT_FOURWAY_HANDSHAKE_DONE = 2,	
+    RTHW_WIFI_EVENT_FOURWAY_HANDSHAKE_DONE = 2,
    RTHW_WIFI_EVENT_SCAN_RESULT_REPORT = 3,
    RTHW_WIFI_EVENT_SCAN_DONE = 4,
    RTHW_WIFI_EVENT_RECONNECTION_FAIL = 5,
--- a/bsp/amebaz/libraries/smartconfig/inc/smartconfig.h
+++ b/bsp/amebaz/libraries/smartconfig/inc/smartconfig.h
@ -1,21 +1,7 @@
 /*
- * File      : smartconfig.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/applications/main.c
+++ b/bsp/apollo2/applications/main.c
@ -1,21 +1,7 @@
 /*
- * File      : main.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/adc.c
+++ b/bsp/apollo2/board/adc.c
@ -1,21 +1,7 @@
 /*
- * File      : adc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -32,15 +18,15 @@
 struct rt_messagequeue adcbat_mq;

 #define BATTERY_GPIO            35                        /* Battery */
-#define BATTERY_ADC_PIN         AM_HAL_PIN_35_ADCSE7 
-#define BATTERY_ADC_CHANNEL     AM_HAL_ADC_SLOT_CHSEL_SE7 /* BATTERY ADC采集通道 */
-#define BATTERY_ADC_CHANNELNUM  7                         /* BATTERY ADC采集通道号 */
+#define BATTERY_ADC_PIN         AM_HAL_PIN_35_ADCSE7
+#define BATTERY_ADC_CHANNEL     AM_HAL_ADC_SLOT_CHSEL_SE7 /* BATTERY ADC采集通道 */
+#define BATTERY_ADC_CHANNELNUM  7                         /* BATTERY ADC采集通道号 */

-#define ADC_CTIMER_NUM          3                         /* ADC使用定时器 */
+#define ADC_CTIMER_NUM          3                         /* ADC使用定时器 */
 #define ADC_CTIMER_COUNT        (2048/512 - 1)

-#define ADC_CHANNEL_NUM         1                         /* ADC采集通道个数 */
-#define ADC_SAMPLE_NUM          8                         /* ADC采样个数 */
+#define ADC_CHANNEL_NUM         1                         /* ADC采集通道个数 */
+#define ADC_SAMPLE_NUM          8                         /* ADC采样个数 */

 rt_uint8_t bat_adc_cnt = 0;
 static rt_uint8_t am_adcbat_buffer_pool[256];
@ -52,7 +38,7 @@ rt_uint8_t am_adc_data_get(rt_uint8_t channel, rt_int16_t *buff, rt_uint16_t siz

    if (channel == BATTERY_ADC_CHANNELNUM)
    {
-        /* wait adc message forever */	
+        /* wait adc message forever */
        rt_mq_recv(&adcbat_mq, adc_bufftemp, 32, RT_WAITING_FOREVER);
    }

--- a/bsp/apollo2/board/adc.h
+++ b/bsp/apollo2/board/adc.h
@ -1,21 +1,7 @@
 /*
- * File      : adc.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/board.c
+++ b/bsp/apollo2/board/board.c
@ -1,21 +1,7 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/board.h
+++ b/bsp/apollo2/board/board.h
@ -1,21 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/flash.c
+++ b/bsp/apollo2/board/flash.c
@ -1,21 +1,7 @@
 /*
- * File      : flash.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -77,7 +63,7 @@ static rt_err_t rt_flash_control(rt_device_t dev, int cmd, void *args)
                ui32CurrentPage =  AM_HAL_FLASH_ADDR2PAGE(erase->addrstart);
                ui32CurrentBlock = AM_HAL_FLASH_ADDR2INST(erase->addrstart);

-                am_hal_flash_page_erase(AM_HAL_FLASH_PROGRAM_KEY, ui32CurrentBlock, ui32CurrentPage); //µ¥ÉÈÇø²Á³ýÃüÁî
+                am_hal_flash_page_erase(AM_HAL_FLASH_PROGRAM_KEY, ui32CurrentBlock, ui32CurrentPage); //单扇区擦除命令
                erase->addrstart += 8192;
            }
        }
--- a/bsp/apollo2/board/flash.h
+++ b/bsp/apollo2/board/flash.h
@ -1,21 +1,7 @@
 /*
- * File      : flash.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/gpio.c
+++ b/bsp/apollo2/board/gpio.c
@ -1,21 +1,7 @@
 /*
- * File      : gpio.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -70,7 +56,7 @@ void am_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
    else if (value == PIN_HIGH)
    {
        am_hal_gpio_out_bit_set(pin);
-    }    
+    }
 }

 int am_pin_read(rt_device_t dev, rt_base_t pin)
--- a/bsp/apollo2/board/gpio.h
+++ b/bsp/apollo2/board/gpio.h
@ -1,27 +1,13 @@
 /*
- * File      : gpio.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2017-09-16     Haley        the first version
 */
- 
+
 #ifndef __GPIO_H
 #define __GPIO_H

--- a/bsp/apollo2/board/i2c.c
+++ b/bsp/apollo2/board/i2c.c
@ -1,21 +1,7 @@
 /*
- * File      :_i2c.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -133,7 +119,7 @@ static const struct rt_i2c_bus_device_ops am_i2c_ops =
 };

 #ifdef RT_USING_I2C0
-static struct am_i2c_bus am_i2c_bus_0 = 
+static struct am_i2c_bus am_i2c_bus_0 =
 {
    {0},
    AM_I2C0_IOM_INST
@ -141,7 +127,7 @@ static struct am_i2c_bus am_i2c_bus_0 =
 #endif

 #ifdef RT_USING_I2C1
-static struct am_i2c_bus am_i2c_bus_1 = 
+static struct am_i2c_bus am_i2c_bus_1 =
 {
    {1},
    AM_I2C1_IOM_INST
@ -149,7 +135,7 @@ static struct am_i2c_bus am_i2c_bus_1 =
 #endif

 #ifdef RT_USING_I2C2
-static struct am_i2c_bus am_i2c_bus_2 = 
+static struct am_i2c_bus am_i2c_bus_2 =
 {
    {2},
    AM_I2C2_IOM_INST
@ -157,7 +143,7 @@ static struct am_i2c_bus am_i2c_bus_2 =
 #endif

 #ifdef RT_USING_I2C3
-static struct am_i2c_bus am_i2c_bus_3 = 
+static struct am_i2c_bus am_i2c_bus_3 =
 {
    {3},
    AM_I2C3_IOM_INST
@ -165,7 +151,7 @@ static struct am_i2c_bus am_i2c_bus_3 =
 #endif

 #ifdef RT_USING_I2C4
-static struct am_i2c_bus am_i2c_bus_4 = 
+static struct am_i2c_bus am_i2c_bus_4 =
 {
    {4},
    AM_I2C4_IOM_INST
--- a/bsp/apollo2/board/i2c.h
+++ b/bsp/apollo2/board/i2c.h
@ -1,21 +1,7 @@
 /*
- * File      : i2c.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/led.c
+++ b/bsp/apollo2/board/led.c
@ -1,21 +1,7 @@
 /*
- * File      :_led.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/led.h
+++ b/bsp/apollo2/board/led.h
@ -1,21 +1,7 @@
 /*
- * File      : led.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/pdm.c
+++ b/bsp/apollo2/board/pdm.c
@ -1,21 +1,7 @@
 /*
- * File      :_pdm.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -66,7 +52,7 @@ rt_uint8_t am_pdm_data_get(rt_uint8_t *buff, rt_uint16_t size)
 {
    rt_uint8_t pdm_rbufftemp[340];

-    /* wait pdm message forever */	
+    /* wait pdm message forever */
    rt_mq_recv(&pdm_mq, pdm_rbufftemp, 340, RT_WAITING_FOREVER);

    /* copy the data */
--- a/bsp/apollo2/board/pdm.h
+++ b/bsp/apollo2/board/pdm.h
@ -1,21 +1,7 @@
 /*
- * File      : pdm.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/pwm.c
+++ b/bsp/apollo2/board/pwm.c
@ -1,21 +1,7 @@
 /*
- * File      :_pwm.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/pwm.h
+++ b/bsp/apollo2/board/pwm.h
@ -1,21 +1,7 @@
 /*
- * File      : pwm.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/rtc.c
+++ b/bsp/apollo2/board/rtc.c
@ -1,21 +1,7 @@
 /*
- * File      :_rtc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -116,7 +102,7 @@ int rt_hw_rtc_init(void)
    /* Select LFRC for RTC clock source */
    am_hal_rtc_osc_select(AM_HAL_RTC_OSC_LFRC);
 #endif
-  
+
 #if RTC_CLK_SRC == XT
    /* Enable the XT for the RTC */
    am_hal_clkgen_osc_start(AM_HAL_CLKGEN_OSC_XT);
@ -129,12 +115,12 @@ int rt_hw_rtc_init(void)
    am_hal_rtc_osc_enable();

    /* register rtc device */
-    rtc.type	= RT_Device_Class_RTC;
-    rtc.init 	= RT_NULL;
-    rtc.open 	= rt_rtc_open;
-    rtc.close	= RT_NULL;
-    rtc.read 	= rt_rtc_read;
-    rtc.write	= RT_NULL;
+    rtc.type    = RT_Device_Class_RTC;
+    rtc.init    = RT_NULL;
+    rtc.open    = rt_rtc_open;
+    rtc.close   = RT_NULL;
+    rtc.read    = rt_rtc_read;
+    rtc.write   = RT_NULL;
    rtc.control = rt_rtc_control;

    /* no private */
--- a/bsp/apollo2/board/rtc.h
+++ b/bsp/apollo2/board/rtc.h
@ -1,27 +1,13 @@
 /*
- * File      : rtc.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2017-09-14     Haley        the first version
 */
- 
+
 #ifndef __RTC_H
 #define __RTC_H

--- a/bsp/apollo2/board/smbus.c
+++ b/bsp/apollo2/board/smbus.c
@ -1,21 +1,7 @@
 /*
- * File      : smbus.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -42,8 +28,8 @@
 #define mSDA_OUT()        am_hal_gpio_pin_config(SMBUS_GPIO_SDA, AM_HAL_GPIO_OUTPUT)                      /* Set SDA as Output */
 #define mSCL_OUT()        am_hal_gpio_pin_config(SMBUS_GPIO_SCL, AM_HAL_GPIO_OUTPUT)                      /* Set SCL as Output */

-#define ACK	      0
-#define	NACK      1
+#define ACK       0
+#define NACK      1

 /* SCL keep time */
 static void keep_delay(void)
@ -60,7 +46,7 @@ static void few_delay(void)
 }

 static rt_uint8_t am_smbus_send_bit(rt_uint8_t send_bit)
-{       
+{
    mSDA_OUT();
    few_delay();

@ -128,7 +114,7 @@ static void am_smbus_stop_bit(void)

 static rt_uint8_t am_smbus_tx_byte(rt_uint8_t tx_byte)
 {
-    int	i;
+    int i;
    rt_uint8_t ack_bit;
    rt_uint8_t bit_out;

@ -176,7 +162,7 @@ rt_uint8_t am_smbus_tx_then_tx(rt_uint8_t SlaveAddress, rt_uint8_t command, rt_u
    int i;

    am_smbus_start_bit();                      /* Start condition */
-		
+
    if(am_smbus_tx_byte(SlaveAddress))         /* Send SlaveAddress and write */
        return 1;

--- a/bsp/apollo2/board/smbus.h
+++ b/bsp/apollo2/board/smbus.h
@ -1,21 +1,7 @@
 /*
- * File      : smbus.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/apollo2/board/spi.c
+++ b/bsp/apollo2/board/spi.c
@ -1,21 +1,7 @@
 /*
- * File      : spi.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -180,7 +166,7 @@ static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message* mes
        am_hal_gpio_out_bit_clear(am_spi_cs->chip_select);
    }

-    // ¶ÁÊý¾Ý
+    // 读数据
    if (recv_ptr != RT_NULL)
    {
        while (u32BytesRemaining)
@ -213,7 +199,7 @@ static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message* mes
        }
    }

-    // Ð´Êý¾Ý
+    // 写数据
    else
    {
        while (u32BytesRemaining)
@ -225,7 +211,7 @@ static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message* mes
                u32TransferSize = 64;
                am_hal_iom_spi_write(am_spi_bus->u32Module, am_spi_cs->chip_select,
                                    (uint32_t *)send_ptr, u32TransferSize, AM_HAL_IOM_RAW);
-        
+
            }
            else
            {
@ -257,7 +243,7 @@ static const struct rt_spi_ops am_spi_ops =
 };

 #ifdef RT_USING_SPI0
-static struct am_spi_bus am_spi_bus_0 = 
+static struct am_spi_bus am_spi_bus_0 =
 {
    {0},
    AM_SPI0_IOM_INST
--- a/bsp/apollo2/board/spi.h
+++ b/bsp/apollo2/board/spi.h
@ -1,21 +1,7 @@
 /*
- * File      : spi.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -27,7 +13,7 @@

 #include <rtthread.h>

-/* Æ¬Ñ¡ÐÅºÅ½á¹¹ÉùÃ÷ */
+/* 片选信号结构声明 */
 struct am_spi_cs
 {
    rt_uint32_t chip_select;
--- a/bsp/apollo2/board/uart.c
+++ b/bsp/apollo2/board/uart.c
@ -1,21 +1,7 @@
 /*
- * File      : uart.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -164,11 +150,11 @@ static rt_err_t am_configure(struct rt_serial_device *serial, struct serial_conf
    else if (cfg->stop_bits == STOP_BITS_2)
        uart_cfg.bTwoStopBits = true;

-    if (cfg->parity == PARITY_NONE)    
+    if (cfg->parity == PARITY_NONE)
        uart_cfg.ui32Parity = AM_HAL_UART_PARITY_NONE;
-    else if (cfg->parity == PARITY_ODD)    
+    else if (cfg->parity == PARITY_ODD)
        uart_cfg.ui32Parity = AM_HAL_UART_PARITY_ODD;
-    else if (cfg->parity == PARITY_EVEN)    
+    else if (cfg->parity == PARITY_EVEN)
        uart_cfg.ui32Parity = AM_HAL_UART_PARITY_EVEN;

    uart_cfg.ui32FlowCtrl = AM_HAL_UART_FLOW_CTRL_NONE;
--- a/bsp/apollo2/board/uart.h
+++ b/bsp/apollo2/board/uart.h
@ -1,21 +1,7 @@
 /*
- * File      : uart.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/applications/application.c
+++ b/bsp/asm9260t/applications/application.c
@ -1,25 +1,11 @@
 /*
- * File      : application.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
- * Date           Author		Notes
- * 2011-01-13     weety		 first version
+ * Date           Author        Notes
+ * 2011-01-13     weety      first version
 * 2015-04-27     ArdaFu     Port bsp from at91sam9260 to asm9260t
 */

--- a/bsp/asm9260t/drivers/board.c
+++ b/bsp/asm9260t/drivers/board.c
@ -1,21 +1,7 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2009 RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/drivers/board.h
+++ b/bsp/asm9260t/drivers/board.h
@ -1,21 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/drivers/led.c
+++ b/bsp/asm9260t/drivers/led.c
@ -1,21 +1,7 @@
 /*
- * File      : led.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/drivers/led.h
+++ b/bsp/asm9260t/drivers/led.h
@ -1,21 +1,7 @@
 /*
- * File      : led.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/drivers/usart.c
+++ b/bsp/asm9260t/drivers/usart.c
@ -1,21 +1,7 @@
 /*
- * File      : usart.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -72,12 +58,12 @@ static rt_err_t asm_usart_configure(struct rt_serial_device *serial,
    RT_ASSERT(serial != RT_NULL);
    RT_ASSERT(cfg != RT_NULL);
    uart = (asm_uart_t *)serial->parent.user_data;
-    
+
    Hw_UartDisable(uart->port);

    Hw_UartReset(uart->port);
-    
-    Hw_UartConfig(uart->port, cfg->baud_rate, cfg->data_bits, 
+
+    Hw_UartConfig(uart->port, cfg->baud_rate, cfg->data_bits,
                  cfg->stop_bits, cfg->parity);

    Hw_UartEnable(uart->port);
--- a/bsp/asm9260t/platform/gpio.c
+++ b/bsp/asm9260t/platform/gpio.c
@ -1,27 +1,13 @@
 /*
- * File      : interrupt.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2015-04-14     ArdaFu      first version
 */
- 
+
 #include "asm9260t.h"
 #include "rtthread.h"

--- a/bsp/asm9260t/platform/gpio.h
+++ b/bsp/asm9260t/platform/gpio.h
@ -1,21 +1,7 @@
 /*
- * File      : interrupt.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/platform/interrupt.c
+++ b/bsp/asm9260t/platform/interrupt.c
@ -1,21 +1,7 @@
 /*
- * File      : interrupt.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/platform/interrupt.h
+++ b/bsp/asm9260t/platform/interrupt.h
@ -1,21 +1,7 @@
 /*
- * File      : interrupt.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -29,69 +15,69 @@


 // IRQ Source
-#define INT_ARM_COMMRX                    0 
-#define INT_ARM_COMMTX                    1 
-#define INT_RTC                           2 
-#define INT_GPIO0                         3 
-#define INT_GPIO1                         4 
-#define INT_GPIO2                         5 
-#define INT_GPIO3                         6 
-#define INT_GPIO4_IIS1                    7 
-#define INT_USB0                          8 
-#define INT_USB1                          9 
-#define INT_USB0_DMA                      10  
-#define INT_USB1_DMA                      11  
-#define INT_MAC                           12  
-#define INT_MAC_PMT                       13  
-#define INT_NAND                          14  
-#define INT_UART0                         15  
-#define INT_UART1                         16  
-#define INT_UART2                         17  
-#define INT_UART3                         18  
-#define INT_UART4                         19  
-#define INT_UART5                         20  
-#define INT_UART6                         21  
-#define INT_UART7                         22  
-#define INT_UART8                         23  
-#define INT_UART9                         24  
-#define INT_I2S0                          25  
-#define INT_I2C0                          26  
-#define INT_I2C1                          27  
-#define INT_CAMIF                         28  
-#define INT_TIMER0                        29  
-#define INT_TIMER1                        30  
-#define INT_TIMER2                        31  
-#define INT_TIMER3                        32  
-#define INT_ADC0                          33  
-#define INT_DAC0                          34  
-#define INT_USB0_RESUME_HOSTDISCONNECT    35    
-#define INT_USB0_VBUSVALID                36    
-#define INT_USB1_RESUME_HOSTDISCONNECT    37    
-#define INT_USB1_VBUSVALID                38    
-#define INT_DMA0_CH0                      39  
-#define INT_DMA0_CH1                      40  
-#define INT_DMA0_CH2                      41  
-#define INT_DMA0_CH3                      42  
-#define INT_DMA0_CH4                      43  
-#define INT_DMA0_CH5                      44  
-#define INT_DMA0_CH6                      45  
-#define INT_DMA0_CH7                      46  
-#define INT_DMA1_CH0                      47  
-#define INT_DMA1_CH1                      48  
-#define INT_DMA1_CH2                      49  
-#define INT_DMA1_CH3                      50  
-#define INT_DMA1_CH4                      51  
-#define INT_DMA1_CH5                      52  
-#define INT_DMA1_CH6                      53  
-#define INT_DMA1_CH7                      54  
-#define INT_WATCHDOG                      55  
-#define INT_CAN0                          56  
-#define INT_CAN1                          57  
-#define INT_QEI                           58  
-#define INT_MCPWM                         59  
-#define INT_SPI0                          60  
-#define INT_SPI1                          61  
-#define INT_QUADSPI0                      62  
+#define INT_ARM_COMMRX                    0
+#define INT_ARM_COMMTX                    1
+#define INT_RTC                           2
+#define INT_GPIO0                         3
+#define INT_GPIO1                         4
+#define INT_GPIO2                         5
+#define INT_GPIO3                         6
+#define INT_GPIO4_IIS1                    7
+#define INT_USB0                          8
+#define INT_USB1                          9
+#define INT_USB0_DMA                      10
+#define INT_USB1_DMA                      11
+#define INT_MAC                           12
+#define INT_MAC_PMT                       13
+#define INT_NAND                          14
+#define INT_UART0                         15
+#define INT_UART1                         16
+#define INT_UART2                         17
+#define INT_UART3                         18
+#define INT_UART4                         19
+#define INT_UART5                         20
+#define INT_UART6                         21
+#define INT_UART7                         22
+#define INT_UART8                         23
+#define INT_UART9                         24
+#define INT_I2S0                          25
+#define INT_I2C0                          26
+#define INT_I2C1                          27
+#define INT_CAMIF                         28
+#define INT_TIMER0                        29
+#define INT_TIMER1                        30
+#define INT_TIMER2                        31
+#define INT_TIMER3                        32
+#define INT_ADC0                          33
+#define INT_DAC0                          34
+#define INT_USB0_RESUME_HOSTDISCONNECT    35
+#define INT_USB0_VBUSVALID                36
+#define INT_USB1_RESUME_HOSTDISCONNECT    37
+#define INT_USB1_VBUSVALID                38
+#define INT_DMA0_CH0                      39
+#define INT_DMA0_CH1                      40
+#define INT_DMA0_CH2                      41
+#define INT_DMA0_CH3                      42
+#define INT_DMA0_CH4                      43
+#define INT_DMA0_CH5                      44
+#define INT_DMA0_CH6                      45
+#define INT_DMA0_CH7                      46
+#define INT_DMA1_CH0                      47
+#define INT_DMA1_CH1                      48
+#define INT_DMA1_CH2                      49
+#define INT_DMA1_CH3                      50
+#define INT_DMA1_CH4                      51
+#define INT_DMA1_CH5                      52
+#define INT_DMA1_CH6                      53
+#define INT_DMA1_CH7                      54
+#define INT_WATCHDOG                      55
+#define INT_CAN0                          56
+#define INT_CAN1                          57
+#define INT_QEI                           58
+#define INT_MCPWM                         59
+#define INT_SPI0                          60
+#define INT_SPI1                          61
+#define INT_QUADSPI0                      62
 #define INT_SSP0                          63

 #endif
--- a/bsp/asm9260t/platform/reset.c
+++ b/bsp/asm9260t/platform/reset.c
@ -1,21 +1,7 @@
 /*
- * File      : reset.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/platform/rt_low_level_init.c
+++ b/bsp/asm9260t/platform/rt_low_level_init.c
@ -1,21 +1,7 @@
 /*
- * File      : rt_low_level_init.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/platform/rt_low_level_init.h
+++ b/bsp/asm9260t/platform/rt_low_level_init.h
@ -1,21 +1,7 @@
 /*
- * File      : rt_low_level_init.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -23,7 +9,7 @@
 */
 #ifndef __RT_LOW_LEVEL_INIT_H__
 #define __RT_LOW_LEVEL_INIT_H__
- 
+
 /*-------- Stack size of CPU modes -------------------------------------------*/
 #define UND_STK_SIZE 512
 #define SVC_STK_SIZE 4096
--- a/bsp/asm9260t/platform/system_clock.c
+++ b/bsp/asm9260t/platform/system_clock.c
@ -1,21 +1,7 @@
 /*
- * File      : clock.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -28,269 +14,269 @@
 static rt_list_t clocks;

 struct clk {
-	char name[32];
-	rt_uint32_t rate_hz;
-	struct clk *parent;
-	rt_list_t  node;
+    char name[32];
+    rt_uint32_t rate_hz;
+    struct clk *parent;
+    rt_list_t  node;
 };

 static struct clk clk32k = {
-	"clk32k",
-	AT91_SLOW_CLOCK,
-	RT_NULL,
-	{RT_NULL, RT_NULL},
+    "clk32k",
+    AT91_SLOW_CLOCK,
+    RT_NULL,
+    {RT_NULL, RT_NULL},
 };

 static struct clk main_clk = {
-	"main",
-	0,
-	RT_NULL,
-	{RT_NULL, RT_NULL},
+    "main",
+    0,
+    RT_NULL,
+    {RT_NULL, RT_NULL},
 };

 static struct clk plla = {
-	"plla",
-	0,
-	RT_NULL,
-	{RT_NULL, RT_NULL},
+    "plla",
+    0,
+    RT_NULL,
+    {RT_NULL, RT_NULL},
 };

 static struct clk mck = {
-	"mck",
-	0,
-	RT_NULL,
-	{RT_NULL, RT_NULL},
+    "mck",
+    0,
+    RT_NULL,
+    {RT_NULL, RT_NULL},
 };

 static struct clk uhpck = {
-	"uhpck",
-	0,
-	RT_NULL,
-	{RT_NULL, RT_NULL},
+    "uhpck",
+    0,
+    RT_NULL,
+    {RT_NULL, RT_NULL},
 };

 static struct clk pllb = {
-	"pllb",
-	0,
-	&main_clk,
-	{RT_NULL, RT_NULL},
+    "pllb",
+    0,
+    &main_clk,
+    {RT_NULL, RT_NULL},
 };

 static struct clk udpck = {
-	"udpck",
-	0,
-	&pllb,
-	{RT_NULL, RT_NULL},
+    "udpck",
+    0,
+    &pllb,
+    {RT_NULL, RT_NULL},
 };

 static struct clk *const standard_pmc_clocks[] = {
-	// four primary clocks 
-	&clk32k,
-	&main_clk,
-	&plla,
+    // four primary clocks
+    &clk32k,
+    &main_clk,
+    &plla,

-	// MCK 
-	&mck
+    // MCK
+    &mck
 };

 // clocks cannot be de-registered no refcounting necessary
 struct clk *clk_get(const char *id)
 {
-	struct clk *clk;
-	rt_list_t *list;
-	
-	for (list = (&clocks)->next; list != &clocks; list = list->next)
-	{
-		clk = (struct clk *)rt_list_entry(list, struct clk, node);
-		if (rt_strcmp(id, clk->name) == 0)
-			return clk;
-	}
+    struct clk *clk;
+    rt_list_t *list;

-	return RT_NULL;
+    for (list = (&clocks)->next; list != &clocks; list = list->next)
+    {
+        clk = (struct clk *)rt_list_entry(list, struct clk, node);
+        if (rt_strcmp(id, clk->name) == 0)
+            return clk;
+    }
+
+    return RT_NULL;
 }

 rt_uint32_t clk_get_rate(struct clk *clk)
 {
-	rt_uint32_t	rate;
+    rt_uint32_t rate;

-	for (;;) {
-		rate = clk->rate_hz;
-		if (rate || !clk->parent)
-			break;
-		clk = clk->parent;
-	}
-	return rate;
+    for (;;) {
+        rate = clk->rate_hz;
+        if (rate || !clk->parent)
+            break;
+        clk = clk->parent;
+    }
+    return rate;
 }

 static rt_uint32_t at91_pll_rate(struct clk *pll, rt_uint32_t freq, rt_uint32_t reg)
 {
-	unsigned mul, div;
+    unsigned mul, div;

-	div = reg & 0xff;
-	mul = (reg >> 16) & 0x7ff;
-	if (div && mul) {
-		freq /= div;
-		freq *= mul + 1;
-	} else
-		freq = 0;
+    div = reg & 0xff;
+    mul = (reg >> 16) & 0x7ff;
+    if (div && mul) {
+        freq /= div;
+        freq *= mul + 1;
+    } else
+        freq = 0;

-	return freq;
+    return freq;
 }

 static unsigned at91_pll_calc(unsigned main_freq, unsigned out_freq)
 {
-	unsigned i, div = 0, mul = 0, diff = 1 << 30;
-	unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00;
+    unsigned i, div = 0, mul = 0, diff = 1 << 30;
+    unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00;

-	//PLL output max 240 MHz (or 180 MHz per errata)
-	if (out_freq > 240000000)
-		goto fail;
+    //PLL output max 240 MHz (or 180 MHz per errata)
+    if (out_freq > 240000000)
+        goto fail;

-	for (i = 1; i < 256; i++) {
-		int diff1;
-		unsigned input, mul1;
+    for (i = 1; i < 256; i++) {
+        int diff1;
+        unsigned input, mul1;

-		//
-		// PLL input between 1MHz and 32MHz per spec, but lower
-		// frequences seem necessary in some cases so allow 100K.
-		// Warning: some newer products need 2MHz min.
-		//
-		input = main_freq / i;
-		if (input < 100000)
-			continue;
-		if (input > 32000000)
-			continue;
+        //
+        // PLL input between 1MHz and 32MHz per spec, but lower
+        // frequences seem necessary in some cases so allow 100K.
+        // Warning: some newer products need 2MHz min.
+        //
+        input = main_freq / i;
+        if (input < 100000)
+            continue;
+        if (input > 32000000)
+            continue;

-		mul1 = out_freq / input;
-		if (mul1 > 2048)
-			continue;
-		if (mul1 < 2)
-			goto fail;
+        mul1 = out_freq / input;
+        if (mul1 > 2048)
+            continue;
+        if (mul1 < 2)
+            goto fail;

-		diff1 = out_freq - input * mul1;
-		if (diff1 < 0)
-			diff1 = -diff1;
-		if (diff > diff1) {
-			diff = diff1;
-			div = i;
-			mul = mul1;
-			if (diff == 0)
-				break;
-		}
-	}
-	if (i == 256 && diff > (out_freq >> 5))
-		goto fail;
-	return ret | ((mul - 1) << 16) | div;
+        diff1 = out_freq - input * mul1;
+        if (diff1 < 0)
+            diff1 = -diff1;
+        if (diff > diff1) {
+            diff = diff1;
+            div = i;
+            mul = mul1;
+            if (diff == 0)
+                break;
+        }
+    }
+    if (i == 256 && diff > (out_freq >> 5))
+        goto fail;
+    return ret | ((mul - 1) << 16) | div;
 fail:
-	return 0;
+    return 0;
 }

 static rt_uint32_t at91_usb_rate(struct clk *pll, rt_uint32_t freq, rt_uint32_t reg)
 {
-	if (pll == &pllb && (reg & AT91_PMC_USB96M))
-		return freq / 2;
-	else
-		return freq;
+    if (pll == &pllb && (reg & AT91_PMC_USB96M))
+        return freq / 2;
+    else
+        return freq;
 }


 // PLLB generated USB full speed clock init
 static void at91_pllb_usbfs_clock_init(rt_uint32_t main_clock)
 {
-	rt_uint32_t at91_pllb_usb_init;
-	//
-	// USB clock init:  choose 48 MHz PLLB value,
-	// disable 48MHz clock during usb peripheral suspend.
-	//
-	// REVISIT:  assumes MCK doesn't derive from PLLB!
-	//
-	uhpck.parent = &pllb;
+    rt_uint32_t at91_pllb_usb_init;
+    //
+    // USB clock init:  choose 48 MHz PLLB value,
+    // disable 48MHz clock during usb peripheral suspend.
+    //
+    // REVISIT:  assumes MCK doesn't derive from PLLB!
+    //
+    uhpck.parent = &pllb;

-	at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M;
-	pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);
-	
-	at91_sys_write(AT91_CKGR_PLLBR, 0);
+    at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M;
+    pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);

-	udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
-	uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
+    at91_sys_write(AT91_CKGR_PLLBR, 0);
+
+    udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
+    uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
 }

 static struct clk *at91_css_to_clk(unsigned long css)
 {
-	switch (css) {
-		case AT91_PMC_CSS_SLOW:
-			return &clk32k;
-		case AT91_PMC_CSS_MAIN:
-			return &main_clk;
-		case AT91_PMC_CSS_PLLA:
-			return &plla;
-		case AT91_PMC_CSS_PLLB:
-			return &pllb;
-	}
+    switch (css) {
+        case AT91_PMC_CSS_SLOW:
+            return &clk32k;
+        case AT91_PMC_CSS_MAIN:
+            return &main_clk;
+        case AT91_PMC_CSS_PLLA:
+            return &plla;
+        case AT91_PMC_CSS_PLLB:
+            return &pllb;
+    }

-	return RT_NULL;
+    return RT_NULL;
 }

 #define false 0
 #define true  1
 int at91_clock_init(rt_uint32_t main_clock)
 {
-	unsigned tmp, freq, mckr;
-	int i;
-	int pll_overclock = false;
+    unsigned tmp, freq, mckr;
+    int i;
+    int pll_overclock = false;

-	//
-	// When the bootloader initialized the main oscillator correctly,
-	// there's no problem using the cycle counter.  But if it didn't,
-	// or when using oscillator bypass mode, we must be told the speed
-	 // of the main clock.
-	//
-	if (!main_clock) {
-		do {
-			tmp = at91_sys_read(AT91_CKGR_MCFR);
-		} while (!(tmp & AT91_PMC_MAINRDY));
-		main_clock = (tmp & AT91_PMC_MAINF) * (AT91_SLOW_CLOCK / 16);
-	}
-	main_clk.rate_hz = main_clock;
+    //
+    // When the bootloader initialized the main oscillator correctly,
+    // there's no problem using the cycle counter.  But if it didn't,
+    // or when using oscillator bypass mode, we must be told the speed
+     // of the main clock.
+    //
+    if (!main_clock) {
+        do {
+            tmp = at91_sys_read(AT91_CKGR_MCFR);
+        } while (!(tmp & AT91_PMC_MAINRDY));
+        main_clock = (tmp & AT91_PMC_MAINF) * (AT91_SLOW_CLOCK / 16);
+    }
+    main_clk.rate_hz = main_clock;

-	// report if PLLA is more than mildly overclocked 
-	plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR));
-	if (plla.rate_hz > 209000000)
-		pll_overclock = true;
-	if (pll_overclock)
-		;//rt_kprintf("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000);
+    // report if PLLA is more than mildly overclocked
+    plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR));
+    if (plla.rate_hz > 209000000)
+        pll_overclock = true;
+    if (pll_overclock)
+        ;//rt_kprintf("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000);

-	at91_pllb_usbfs_clock_init(main_clock);
+    at91_pllb_usbfs_clock_init(main_clock);

-	//
-	 // MCK and CPU derive from one of those primary clocks.
-	 // For now, assume this parentage won't change.
-	 //
-	mckr = at91_sys_read(AT91_PMC_MCKR);
-	mck.parent = at91_css_to_clk(mckr & AT91_PMC_CSS);
-	freq = mck.parent->rate_hz;
-	freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2));				// prescale 
-	
-	mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8));      // mdiv 
+    //
+     // MCK and CPU derive from one of those primary clocks.
+     // For now, assume this parentage won't change.
+     //
+    mckr = at91_sys_read(AT91_PMC_MCKR);
+    mck.parent = at91_css_to_clk(mckr & AT91_PMC_CSS);
+    freq = mck.parent->rate_hz;
+    freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2));               // prescale

-	// Register the PMC's standard clocks 
-	rt_list_init(&clocks);
-	for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++)
-		rt_list_insert_after(&clocks, &standard_pmc_clocks[i]->node);
+    mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8));      // mdiv

-	rt_list_insert_after(&clocks, &pllb.node);
-	rt_list_insert_after(&clocks, &uhpck.node);
-	rt_list_insert_after(&clocks, &udpck.node);
+    // Register the PMC's standard clocks
+    rt_list_init(&clocks);
+    for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++)
+        rt_list_insert_after(&clocks, &standard_pmc_clocks[i]->node);

-	// MCK and CPU clock are "always on" 
-	//clk_enable(&mck);
+    rt_list_insert_after(&clocks, &pllb.node);
+    rt_list_insert_after(&clocks, &uhpck.node);
+    rt_list_insert_after(&clocks, &udpck.node);

-	//rt_kprintf("Clocks: CPU %u MHz, master %u MHz, main %u.%03u MHz\n",
-	//	freq / 1000000, (unsigned) mck.rate_hz / 1000000,
-	//	(unsigned) main_clock / 1000000,
-	//	((unsigned) main_clock % 1000000) / 1000); //cause blocked
+    // MCK and CPU clock are "always on"
+    //clk_enable(&mck);

-	return 0;
+    //rt_kprintf("Clocks: CPU %u MHz, master %u MHz, main %u.%03u MHz\n",
+    //  freq / 1000000, (unsigned) mck.rate_hz / 1000000,
+    //  (unsigned) main_clock / 1000000,
+    //  ((unsigned) main_clock % 1000000) / 1000); //cause blocked
+
+    return 0;
 }
 */

@ -298,6 +284,6 @@ int at91_clock_init(rt_uint32_t main_clock)

 void rt_hw_clock_init(void)
 {
-	//at91_clock_init(18432000);
+    //at91_clock_init(18432000);
 }

--- a/bsp/asm9260t/platform/timer0.c
+++ b/bsp/asm9260t/platform/timer0.c
@ -1,21 +1,7 @@
 /*
- * File      : timer0.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/platform/timer0.h
+++ b/bsp/asm9260t/platform/timer0.h
@ -1,21 +1,7 @@
 /*
- * File      : timer0.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
--- a/bsp/asm9260t/platform/uart.c
+++ b/bsp/asm9260t/platform/uart.c
@ -1,27 +1,13 @@
 /*
- * File      : interrupt.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2015-04-14     ArdaFu      first version
 */
- 
+
 #include "asm9260t.h"
 #include "rtthread.h"
 #include "uart.h"
--- a/bsp/asm9260t/platform/uart.h
+++ b/bsp/asm9260t/platform/uart.h
@ -1,21 +1,7 @@
 /*
- * File      : interrupt.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
@ -50,16 +36,16 @@ typedef struct
    volatile rt_uint32_t ISO7816STATUS[4];
 } HW_USART_TypeDef;

-#define USART0	((HW_USART_TypeDef *)UART0_BASE)
-#define USART1	((HW_USART_TypeDef *)UART1_BASE)
-#define USART2	((HW_USART_TypeDef *)UART2_BASE)
-#define USART3	((HW_USART_TypeDef *)UART3_BASE)
-#define USART4	((HW_USART_TypeDef *)UART4_BASE)
-#define USART5	((HW_USART_TypeDef *)UART5_BASE)
-#define USART6	((HW_USART_TypeDef *)UART6_BASE)
-#define USART7	((HW_USART_TypeDef *)UART7_BASE)
-#define USART8	((HW_USART_TypeDef *)UART8_BASE)
-#define USART9	((HW_USART_TypeDef *)UART9_BASE)
+#define USART0  ((HW_USART_TypeDef *)UART0_BASE)
+#define USART1  ((HW_USART_TypeDef *)UART1_BASE)
+#define USART2  ((HW_USART_TypeDef *)UART2_BASE)
+#define USART3  ((HW_USART_TypeDef *)UART3_BASE)
+#define USART4  ((HW_USART_TypeDef *)UART4_BASE)
+#define USART5  ((HW_USART_TypeDef *)UART5_BASE)
+#define USART6  ((HW_USART_TypeDef *)UART6_BASE)
+#define USART7  ((HW_USART_TypeDef *)UART7_BASE)
+#define USART8  ((HW_USART_TypeDef *)UART8_BASE)
+#define USART9  ((HW_USART_TypeDef *)UART9_BASE)


 #define ASM_UART_INTR_RXIS   (1UL << 4)
@ -105,7 +91,7 @@ typedef struct
 extern void Hw_UartDisable(HW_USART_TypeDef* uartBase);
 extern void Hw_UartEnable(HW_USART_TypeDef* uartBase);
 extern void Hw_UartReset(HW_USART_TypeDef* uartBase);
-extern void Hw_UartConfig(HW_USART_TypeDef* uartBase, int baudRate, 
+extern void Hw_UartConfig(HW_USART_TypeDef* uartBase, int baudRate,
                          int dataBits, int stopBits, int parity);
 extern void Hw_UartInit(int index);
 #endif
--- a/bsp/at32/Libraries/rt_drivers/drv_adc.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_adc.c
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -17,7 +17,7 @@
 #include <drv_log.h>

 struct at32_adc
-{  
+{
    struct rt_adc_device at32_adc_device;
    ADC_Type *ADC_Handler;
    char *name;
@ -109,9 +109,9 @@ static rt_err_t at32_adc_enabled(struct rt_adc_device *device, rt_uint32_t chann
    ADC_InitType ADC_InitStructure;
    RT_ASSERT(device != RT_NULL);
    at32_adc_handler = device->parent.user_data;
-  
+
    at32_msp_adc_init(at32_adc_handler);
-  
+
    /* ADCx configuration ------------------------------------------------------*/
    ADC_StructInit(&ADC_InitStructure);
    ADC_InitStructure.ADC_Mode              = ADC_Mode_Independent;
@ -121,14 +121,14 @@ static rt_err_t at32_adc_enabled(struct rt_adc_device *device, rt_uint32_t chann
    ADC_InitStructure.ADC_DataAlign         = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NumOfChannel      = 1;
    ADC_Init(at32_adc_handler, &ADC_InitStructure);
-  
-    /* ADCx regular channels configuration */ 
-    ADC_RegularChannelConfig(at32_adc_handler, at32_adc_get_channel(channel), 1, ADC_SampleTime_28_5); 
-    
+
+    /* ADCx regular channels configuration */
+    ADC_RegularChannelConfig(at32_adc_handler, at32_adc_get_channel(channel), 1, ADC_SampleTime_28_5);
+
    /* Enable ADCx */
    ADC_Ctrl(at32_adc_handler, ENABLE);
-  
-    /* Enable ADCx reset calibration register */   
+
+    /* Enable ADCx reset calibration register */
    ADC_RstCalibration(at32_adc_handler);
    /* Check the end of ADCx reset calibration register */
    while(ADC_GetResetCalibrationStatus(at32_adc_handler));
@ -161,7 +161,7 @@ static rt_err_t at32_get_adc_value(struct rt_adc_device *device, rt_uint32_t cha

    at32_adc_handler = device->parent.user_data;

-    /* Start ADCx Software Conversion */ 
+    /* Start ADCx Software Conversion */
    ADC_SoftwareStartConvCtrl(at32_adc_handler, ENABLE);

    /* Wait for the ADC to convert */
--- a/bsp/at32/Libraries/rt_drivers/drv_adc.h
+++ b/bsp/at32/Libraries/rt_drivers/drv_adc.h
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -19,32 +19,32 @@ extern "C" {
 #endif

 #if defined(BSP_USING_ADC1) || defined(BSP_USING_ADC2) || defined(BSP_USING_ADC3)
-  
+
 #ifndef ADC1_CONFIG
 #define ADC1_CONFIG                 \
    {                              \
       .ADC_Handler = ADC1,        \
       .name        = "adc1",      \
-    }  
+    }
 #endif /* ADC1_CONFIG */
-    
+
 #ifndef ADC2_CONFIG
 #define ADC2_CONFIG                \
    {                              \
       .ADC_Handler = ADC2,        \
       .name        = "adc2",      \
-    }  
+    }
 #endif /* ADC2_CONFIG */
-    
+
 #ifndef ADC3_CONFIG
 #define ADC3_CONFIG                \
    {                              \
       .ADC_Handler = ADC3,        \
       .name        = "adc3",      \
-    }  
-#endif /* ADC3_CONFIG */    
-    
-#endif  
+    }
+#endif /* ADC3_CONFIG */
+
+#endif


 #ifdef __cplusplus
--- a/bsp/at32/Libraries/rt_drivers/drv_can.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_can.c
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -311,8 +311,8 @@ static rt_err_t _can_control(struct rt_can_device *can, int cmd, void *arg)
            {
                can_instance->CanConfig.FilterConfig.CAN_FilterNumber = filter_cfg->items[i].hdr & (0x1fU);
                can_instance->CanConfig.FilterConfig.CAN_FilterIdHigh = (filter_cfg->items[i].id >> 13) & 0xFFFF;
-                can_instance->CanConfig.FilterConfig.CAN_FilterIdLow = ((filter_cfg->items[i].id << 3) | 
-                                                    (filter_cfg->items[i].ide << 2) | 
+                can_instance->CanConfig.FilterConfig.CAN_FilterIdLow = ((filter_cfg->items[i].id << 3) |
+                                                    (filter_cfg->items[i].ide << 2) |
                                                    (filter_cfg->items[i].rtr << 1)) & 0xFFFF;
                can_instance->CanConfig.FilterConfig.CAN_FilterMskIdHigh = (filter_cfg->items[i].mask >> 16) & 0xFFFF;
                can_instance->CanConfig.FilterConfig.CAN_FilterMskIdLow = filter_cfg->items[i].mask & 0xFFFF;
@ -499,7 +499,7 @@ static int _can_recvmsg(struct rt_can_device *can, void *buf, rt_uint32_t fifo)
    else
        pmsg->ide = RxMessage.ExtId;
    pmsg->rtr = RxMessage.RTR;
-    
+
    return RT_EOK;
 }

--- a/bsp/at32/Libraries/rt_drivers/drv_can.h
+++ b/bsp/at32/Libraries/rt_drivers/drv_can.h
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -22,7 +22,7 @@ extern "C" {
 #define CAN_TX_MAILBOX0             (0x00000001U)  /*!< Tx Mailbox 0  */
 #define CAN_TX_MAILBOX1             (0x00000002U)  /*!< Tx Mailbox 1  */
 #define CAN_TX_MAILBOX2             (0x00000004U)  /*!< Tx Mailbox 2  */
-  
+
 struct at32_baud_rate_tab
 {
    rt_uint32_t baud_rate;
--- a/bsp/at32/Libraries/rt_drivers/drv_eth.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_eth.c
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -28,8 +28,8 @@
 //#define DRV_DEBUG
 #define LOG_TAG             "drv.emac"

-#define ETH_RXBUFNB        	4
-#define ETH_TXBUFNB        	2
+#define ETH_RXBUFNB         4
+#define ETH_TXBUFNB         2

 #define LINK_THREAD_STACK_SIZE   256
 #define LINK_THREAD_PREORITY     21
@ -131,14 +131,14 @@ void NVIC_Configuration(void)
    NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);

    /* 2 bit for pre-emption priority, 2 bits for subpriority */
-    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); 
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);

    /* Enable the Ethernet global Interrupt */
    NVIC_InitStructure.NVIC_IRQChannel = ETH_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
-    NVIC_Init(&NVIC_InitStructure);  
+    NVIC_Init(&NVIC_InitStructure);
 }

 /**
@ -173,7 +173,7 @@ void GPIO_Configuration(void)
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

-	/*MII Mode GPIO configuration*/
+    /*MII Mode GPIO configuration*/
 #ifdef MII_MODE
 /**********************MII Tx Pin Define****************************/
    /*
@ -193,7 +193,7 @@ void GPIO_Configuration(void)
    GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOC, &GPIO_InitStructure);
-	/**********************MII Rx Pin Define****************************/
+    /**********************MII Rx Pin Define****************************/
 #if MII_RX_REMAP  /*IO PIN remaped*/
    /*
    ETH_MII_RX_DV-->PD8
@ -208,7 +208,7 @@ void GPIO_Configuration(void)
    */
    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_8 | GPIO_Pins_9 | GPIO_Pins_10 | GPIO_Pins_11 | GPIO_Pins_12;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
-    GPIO_Init(GPIOD, &GPIO_InitStructure); 
+    GPIO_Init(GPIOD, &GPIO_InitStructure);

    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
@ -233,11 +233,11 @@ void GPIO_Configuration(void)
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

-    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;   
+    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

-    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_10;  
+    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOB, &GPIO_InitStructure);

@ -255,8 +255,8 @@ void GPIO_Configuration(void)
    GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
-	
-	/**********************RMII Rx Pin Define****************************/
+
+    /**********************RMII Rx Pin Define****************************/
 #if MII_RX_REMAP  /*IO PIN remaped*/
    /*
    ETH_RMII_RX_DV-->PD8
@ -266,7 +266,7 @@ void GPIO_Configuration(void)
    */
    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_8 | GPIO_Pins_9 | GPIO_Pins_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
-    GPIO_Init(GPIOD, &GPIO_InitStructure); 
+    GPIO_Init(GPIOD, &GPIO_InitStructure);

    GPIO_InitStructure.GPIO_Pins =  GPIO_Pins_1;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
@ -282,7 +282,7 @@ void GPIO_Configuration(void)
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

-    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;   
+    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

@ -314,7 +314,7 @@ static rt_err_t rt_at32_eth_init(rt_device_t dev)

    RCC_AHBPeriphClockCmd(RCC_AHBPERIPH_ETHMAC | RCC_AHBPERIPH_ETHMACTX |
                          RCC_AHBPERIPH_ETHMACRX, ENABLE);
-    
+
    /* MII/RMII Media interface selection ------------------------------------------*/
 #ifdef MII_MODE /* Mode MII with AT32F407-EVAL  */
    GPIO_ETH_MediaInterfaceConfig(GPIO_ETH_MediaInterface_MII);
@ -361,31 +361,31 @@ static rt_err_t rt_at32_eth_init(rt_device_t dev)
    ETH_InitStructure.ETH_ChecksumOffload = ETH_ChecksumOffload_Enable;
 #endif

-    /*------------------------   DMA   -----------------------------------*/  
+    /*------------------------   DMA   -----------------------------------*/

-    /* When we use the Checksum offload feature, we need to enable the Store and Forward mode: 
-    the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum, 
+    /* When we use the Checksum offload feature, we need to enable the Store and Forward mode:
+    the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum,
    if the checksum is OK the DMA can handle the frame otherwise the frame is dropped */
-    ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable;//ETH_DropTCPIPChecksumErrorFrame_Enable; 
-    ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable;         
-    ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable;     
+    ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable;//ETH_DropTCPIPChecksumErrorFrame_Enable;
+    ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable;
+    ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable;

-    ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Disable;       
-    ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Disable;   
-    ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable;                                                          
-    ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable;      
-    ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;                
-    ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;          
-    ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;                                                                 
+    ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Disable;
+    ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Disable;
+    ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable;
+    ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable;
+    ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;
+    ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;
+    ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;
    ETH_InitStructure.ETH_DMAArbitration = ETH_DMAArbitration_RoundRobin_RxTx_2_1;

    /* Configure Ethernet, check error */
    if(ETH_Init(&ETH_InitStructure, PHY_ADDRESS) == ((uint32_t)0)) {
        return RT_ERROR;
-    }    
+    }

    /* Enable DMA Receive interrupt (need to enable in this case Normal interrupt) */
-    ETH_DMAITConfig(ETH_DMA_INT_NIS | ETH_DMA_INT_R, ENABLE);  
+    ETH_DMAITConfig(ETH_DMA_INT_NIS | ETH_DMA_INT_R, ENABLE);

    /* Initialize Tx Descriptors list: Chain Mode */
    ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
@ -396,7 +396,7 @@ static rt_err_t rt_at32_eth_init(rt_device_t dev)
    ETH_MACAddressConfig(ETH_MAC_Address0, (u8*)&at32_eth_device.dev_addr[0]);

    /* Enable ETH transmition and recetion */
-    ETH_Start();    
+    ETH_Start();

    return RT_EOK;
 }
@ -581,7 +581,7 @@ struct pbuf *rt_at32_eth_rx(rt_device_t dev)
            {
                rt_uint32_t i;
                rt_uint8_t *ptr = (rt_uint8_t*)(DMARxDescToGet->Buffer1Addr);
-                
+
                AT32_ETH_PRINTF("rx_dump, len:%d\r\n", p->tot_len);
                for(i=0; i<p->tot_len; i++)
                {
--- a/bsp/at32/Libraries/rt_drivers/drv_eth.h
+++ b/bsp/at32/Libraries/rt_drivers/drv_eth.h
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
--- a/bsp/at32/Libraries/rt_drivers/drv_flash.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_flash.c
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -160,14 +160,14 @@ int at32_flash_erase(rt_uint32_t addr, size_t size)
        addr += FLASH_PAGE_SIZE;
    }

-		FLASH_Lock();
-		
-__exit:    
+        FLASH_Lock();
+
+__exit:
    if(result != RT_EOK)
    {
        return result;
    }
-    
+
    return size;
 }

@ -177,7 +177,7 @@ static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size);
 static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size);
 static int fal_flash_erase(long offset, size_t size);

-const struct fal_flash_dev at32_onchip_flash = 
+const struct fal_flash_dev at32_onchip_flash =
 {
    "onchip_flash",
    AT32_FLASH_START_ADRESS,
--- a/bsp/at32/Libraries/rt_drivers/drv_flash.h
+++ b/bsp/at32/Libraries/rt_drivers/drv_flash.h
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
--- a/bsp/at32/Libraries/rt_drivers/drv_gpio.c
+++ b/bsp/at32/Libraries/rt_drivers/drv_gpio.c
@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
@ -13,7 +13,7 @@

 #ifdef RT_USING_PIN

-static const struct pin_index pins[] = 
+static const struct pin_index pins[] =
 {
 #if defined(GPIOA)
    __AT32_PIN(0 ,  A, 0 ),
@ -414,7 +414,7 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
        /* Configure GPIO_InitStructure */
        GPIO_StructInit(&GPIO_InitStruct);
        EXTI_StructInit(&EXTI_InitStruct);
-        GPIO_InitStruct.GPIO_Pins = irqmap->pinbit;        
+        GPIO_InitStruct.GPIO_Pins = irqmap->pinbit;
        GPIO_InitStruct.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
        EXTI_InitStruct.EXTI_Line = irqmap->pinbit;
        EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
@ -462,24 +462,24 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
        if (( irqmap->pinbit>=GPIO_Pins_5 )&&( irqmap->pinbit<=GPIO_Pins_9 ))
        {
            if(!(pin_irq_enable_mask&(GPIO_Pins_5|GPIO_Pins_6|GPIO_Pins_7|GPIO_Pins_8|GPIO_Pins_9)))
-            {    
+            {
                NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
            }
        }
        else if (( irqmap->pinbit>=GPIO_Pins_10 )&&( irqmap->pinbit<=GPIO_Pins_15 ))
        {
            if(!(pin_irq_enable_mask&(GPIO_Pins_10|GPIO_Pins_11|GPIO_Pins_12|GPIO_Pins_13|GPIO_Pins_14|GPIO_Pins_15)))
-            {    
+            {
                NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
            }
        }
        else
        {
            NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
-        }        
+        }

        NVIC_Init(&NVIC_InitStruct);
-        rt_hw_interrupt_enable(level);  
+        rt_hw_interrupt_enable(level);
    }
    else
    {
--- a/Show More
+++ b/Show More