2022-11-10 22:22:48 +08:00
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# AARCH64 工作模式使用
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- 当开发者需要基于 Phytium 系列芯片进行开发时,可以从以下几个步骤出发配置芯片
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2023-05-11 10:25:21 +08:00
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## 1. 准备编译环境
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2023-11-21 17:42:23 +08:00
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- 创建tools目录,在 tools 目录下下载两个python 脚本,get_toolchain.py 和 ci.py,下载完后给两个脚本添加执行权限
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2023-05-11 10:25:21 +08:00
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```shell
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mkdir tools
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cd ./tools
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wget https://gitee.com/rtthread/ART-Pi-smart/raw/master/tools/get_toolchain.py
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wget https://gitee.com/rtthread/ART-Pi-smart/raw/master/tools/ci.py
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chmod +x get_toolchain.py ci.py
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```
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2023-11-21 17:42:23 +08:00
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- 运行 get_toolchain.py 脚本,拉取 aarch64 交叉编译链`aarch64-linux-musleabi_for_x86_64-pc-linux-gnu`
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2023-05-11 10:25:21 +08:00
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```shell
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python3 ./get_toolchain.py aarch64
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```
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> RT-Thread 5.0 后必须使用这个带 musl-libc 的编译链,不能使用`aarch64-none-elf`
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- 在 aarch64 目录下下载脚本 smart_env.sh ,然后运行脚本生效环境变量
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```shell
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cd ./aarch64
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wget https://gitee.com/rtthread/ART-Pi-smart/raw/master/smart-env.sh
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source ./smart-env.sh aarch64
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```
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- 如下所示是 aarch64 编译相关的环境变量,运行 scons 前要确保环境变量设置正确
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![aarch64_env](./figures/aarch64_env.png)
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## NOTE
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2023-11-21 17:42:23 +08:00
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以上步骤已在ubuntu20.04开发环境测试,在其他开发环境下若无法下载相关脚本,可使用以下链接手动下载
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2023-05-11 10:25:21 +08:00
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2023-11-21 17:42:23 +08:00
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```shell
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get_toolchain.py下载地址
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https://gitee.com/rtthread/ART-Pi-smart/blob/master/tools/get_toolchain.py
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2023-11-21 17:42:23 +08:00
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ci.py下载地址
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https://gitee.com/rtthread/ART-Pi-smart/blob/master/tools/ci.py
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当出现以下提示时,可采用以下链接下载 phytium_standalone_sdk_install.py
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"Please refer to the ./README and manual download phytium_standalone_sdk_install.py, place in current folder"
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phytium_standalone_sdk_install.py下载地址
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https://gitee.com/phytium_embedded/phytium-standalone-sdk/blob/Standalone-Sdk_RT-thread/phytium_standalone_sdk_install.py
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```
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## 2. 如何选择开发板
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- 以 E2000Q RT-Smart为例,Linux 环境下,运行 make load_e2000q_demo_rtsmart 加载默认的 rtconfig, 然后输入下列命令,进入 menuconfig 进一步配置
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2022-11-10 22:22:48 +08:00
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```shell
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scons --menuconfig
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```
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开发者通过以下选择进行配置
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```
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2023-11-21 17:42:23 +08:00
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Standalone Setting > Board Configuration
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```
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2023-11-21 17:42:23 +08:00
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![](./figures/board_select.png)
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2022-11-10 22:22:48 +08:00
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2023-05-11 10:25:21 +08:00
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## 3. 如何选择驱动
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```shell
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scons --menuconfig
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```
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开发者通过以下选项进行驱动的使能
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```
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Hardware Drivers Config > On-chip Peripheral Drivers
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```
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![](./figures/select_driver.png)
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2023-05-11 10:25:21 +08:00
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## 4. 如何切换至RT-Thread Smart 工作模式
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```shell
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scons --menuconfig
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```
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2023-12-08 17:57:55 +08:00
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![rtsmart_config](./figures/rtsmart_config.png)
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2022-11-10 22:22:48 +08:00
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2023-05-11 10:25:21 +08:00
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开发者通过以上配置开启RT-Thread Smart 功能
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2023-05-11 10:25:21 +08:00
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## 5. 开启SDK中内部调试信息
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2022-11-10 22:22:48 +08:00
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```shell
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scons --menuconfig
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```
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2023-11-21 17:42:23 +08:00
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开发者通过以下选项开启打印调试信息
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![](./figures/debug_info.png)
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2022-11-10 22:22:48 +08:00
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2023-05-11 10:25:21 +08:00
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## 6. 编译程序
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```shell
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scons -c
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scons
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```
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- 完成编译之后目录下将会生成以下几个文件
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```
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rtthread_a64.bin
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rtthread_a64.elf
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rtthread_a64.map
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```
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2023-05-11 10:25:21 +08:00
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## 7. 启动镜像程序
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- 可以用串口通过 XMODEM 协议将 bin/elf 文件上传到开发板,然后启动,
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2022-11-10 22:22:48 +08:00
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2023-08-02 13:27:09 +08:00
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- 如果使用 SD-1 控制器
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```
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mw.l 0x32b31178 0x1f
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```
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2023-05-11 10:25:21 +08:00
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- 首先在 Phytium 开发板上输入,上传 bin 文件
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```
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loadx 80080000
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```
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![](./figures/ymodem_upload.png)
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- 加载 bin 文件完成后,输入下列命令启动
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```
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go 80080000
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```
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> RT-Smart 模式下,64 位不能用 bootelf 启动 elf 文件
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## 8. 打包导出工程源代码
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- 指定工程名和路径,打包RT-Thread内核和Phytium BSP代码,可以导出一个工程工程
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2022-11-10 22:22:48 +08:00
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```
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python ./export_project.py -n=phytium-a64 -o=D:/proj/rt-thread-e2000/phytium-a64
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```
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![](./figures/export_project.png)
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2023-05-11 10:25:21 +08:00
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- 进入打包工程的目录,修改工程根目录 Kconfig 中的路径 BSP_DIR 和 STANDALONE_DIR
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> env 环境中的 menuconfig 不会调用 SConstruct 修改路径环境变量,因此需要手动修改路径
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```
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config BSP_DIR
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string
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option env="BSP_ROOT"
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default "."
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config SDK_DIR
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string
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option env="SDK_DIR"
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default "./libraries/phytium_standalone_sdk"
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```
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- 输入 menuconfig 和 scons 完成编译
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2023-05-11 10:25:21 +08:00
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## 9. 将工程导入 RT-Studio
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2023-12-08 17:57:55 +08:00
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- 在 RT-Studio 使用功能 `RT-Thread Bsp 到工作空间`,导入 8. 中导出的 BSP 工程
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- 设置 BSP 工程的交叉编译链后进行后续开发
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2023-05-11 10:25:21 +08:00
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![](./figures/import_project.png)
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