【English readme】 [stm32][g071] add english readme
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mysterywolf
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# STM32G071 BSP
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# STM32G071-Nucleo BSP Introduction
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## 简介
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[中文](README_zh.md)
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本文档为 RT-Thread 开发团队为 STM32G071RB-Nucleo 开发板提供的 BSP (板级支持包) 说明。
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## MCU: STM32G071RB @64MHz, 128KB FLASH, 36KB RAM
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主要内容如下：
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The STM32G071x8/xB mainstream microcontrollers are based on high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at up to 64 MHz frequency. Offering a high level of integration, they are suitable for a wide range of applications in consumer, industrial and appliance domains and ready for the Internet of Things (IoT) solutions.
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- 开发板资源介绍
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The devices incorporate a memory protection unit (MPU), high-speed embedded memories (up to 128 Kbytes of Flash program memory with read protection, write protection, proprietary code protection, and securable area, and 36 Kbytes of SRAM), DMA and an extensive range of system functions, enhanced I/Os and peripherals. The devices offer standard communication interfaces (two I2Cs, two SPIs / one I2S, one HDMI CEC, and four USARTs), one 12-bit ADC (2.5 MSps) with up to 19 channels, one 12-bit DAC with two channels, two fast comparators, an internal voltage reference buffer, a low-power RTC, an advanced control PWM timer running at up to double the CPU frequency, five general-purpose 16-bit timers with one running at up to double the CPU frequency, a 32-bit general-purpose timer, two basic timers, two low-power 16-bit timers, two watchdog timers, and a SysTick timer. The STM32G071x8/xB devices provide a fully integrated USB Type-C Power Delivery controller.
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- BSP 快速上手
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The devices operate within ambient temperatures from -40 to 125°C. They can operate with supply voltages from 1.7 V to 3.6 V. Optimized dynamic consumption combined with a comprehensive set of power-saving modes, low-power timers and low-power UART, allows the design of low-power applications.
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- 进阶使用方法
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VBAT direct battery input allows keeping RTC and backup registers powered.
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The devices come in packages with 28 to 64 pins.
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通过阅读快速上手章节开发者可以快速地上手该 BSP，将 RT-Thread 运行在开发板上。在进阶使用指南章节，将会介绍更多高级功能，帮助开发者利用 RT-Thread 驱动更多板载资源。
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#### KEY FEATURES
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## 开发板介绍
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- Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 64 MHz
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- -40°C to 85°C/105°C/125°C operating temperature
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- Memories
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- Up to 128 Kbytes of Flash memory with protection and securable area
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- 36 Kbytes of SRAM (32 Kbytes with HW parity check)
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- CRC calculation unit
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- Reset and power management
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- Voltage range: 1.7 V to 3.6 V
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- Power-on/Power-down reset (POR/PDR)
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- Programmable Brownout reset (BOR)
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- Programmable voltage detector (PVD)
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- Low-power modes:Sleep, Stop, Standby, Shutdown
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- VBAT supply for RTC and backup registers
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- Clock management
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- 4 to 48 MHz crystal oscillator
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- 32 kHz crystal oscillator with calibration
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- Internal 16 MHz RC with PLL option (±1 %)
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- Internal 32 kHz RC oscillator (±5 %)
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- Up to 60 fast I/Os
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- All mappable on external interrupt vectors
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- Multiple 5 V-tolerant I/Os
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- 7-channel DMA controller with flexible mapping
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- 12-bit, 0.4 µs ADC (up to 16 ext. channels)
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- Up to 16-bit with hardware oversampling
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- Conversion range: 0 to 3.6V
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STM32G071RB-Nucleo 开发板是 ST 官方推出的一款基于 ARM Cortex-M0+ 内核的开发板，最高主频为 64Mhz，该开发板具有丰富的扩展接口，可以方便验证 STM32G071RB 的芯片性能。
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- Two 12-bit DACs, low-power sample-and-hold
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- Two fast low-power analog comparators, with programmable input and output, rail-to-rail
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- 14 timers (two 128 MHz capable): 16-bit for advanced motor control, one 32-bit and five 16-bit general-purpose, two basic 16-bit, two low-power 16-bit, two watchdogs, SysTick timer
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- Calendar RTC with alarm and periodic wakeup from Stop/Standby/Shutdown
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- Communication interfaces
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- Two I2C-bus interfaces supporting Fast-mode Plus (1 Mbit/s) with extra current sink, one supporting SMBus/PMBus and wakeup from Stop mode
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- Four USARTs with master/slave synchronous SPI; two supporting ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wakeup feature
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- One low-power UART
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- Two SPIs (32 Mbit/s) with 4- to 16-bit programmable bitframe, one multiplexed with I2S interface
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- HDMI CEC interface, wakeup on header
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- USB Type-C™ Power Delivery controller
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- Development support: serial wire debug (SWD)
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- 96-bit unique ID
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- All packages ECOPACK®2 compliant
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开发板外观如下图所示：
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该开发板常用 **板载资源** 如下：
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## Read more
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- MCU：STM32G071RB，主频 64MHz，128KB FLASH ，36KB RAM
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| Documents | Description |
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- 外部 RAM：无
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| :----------------------------------------------------------: | :----------------------------------------------------------: |
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- 外部 FLASH：无
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| [STM32_Nucleo-64_BSP_Introduction](../docs/STM32_Nucleo-64_BSP_Introduction.md) | How to run RT-Thread on STM32 Nucleo-64 boards (**Must-Read**) |
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- 常用外设
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| [STM32G071RB ST Official Website](https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-mpu-eval-tools/stm32-mcu-mpu-eval-tools/stm32-nucleo-boards/nucleo-g071rb.html#documentation) | STM32G071RB datasheet and other resources |
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- 按键：1个，user（兼具唤醒功能，PC13）
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- 常用接口：USB 转串口、arduino 接口等
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- 调试接口，标准 SWD
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开发板更多详细信息请参考 ST 的 [NUCLEO 开发板介绍](https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-eval-tools/stm32-mcu-eval-tools/stm32-mcu-nucleo/nucleo-g071rb.html)。
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## 外设支持
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本 BSP 目前对外设的支持情况如下：
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## Maintained By
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| **板载外设** | **支持情况** | **备注** |
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[gztss](https://github.com/gztss)
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| :----------------- | :----------: | :------------------------------------- |
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| ST-LINK 虚拟串口 | 支持 | 使用 LPUART |
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| **片上外设** | **支持情况** | **备注** |
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| GPIO | 支持 | PA0, PA1... PC15 ---> PIN: 0, 1...47 |
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| UART | 支持 | LPUART1, USART1/2 |
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## 使用说明
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使用说明分为如下两个章节：
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- 快速上手
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## Translated By
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本章节是为刚接触 RT-Thread 的新手准备的使用说明，遵循简单的步骤即可将 RT-Thread 操作系统运行在该开发板上，看到实验效果 。
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Meco Man @ RT-Thread Community
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- 进阶使用
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> jiantingman@foxmail.com
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>
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本章节是为需要在 RT-Thread 操作系统上使用更多开发板资源的开发者准备的。通过使用 ENV 工具对 BSP 进行配置，可以开启更多板载资源，实现更多高级功能。
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> https://github.com/mysterywolf
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### 快速上手
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本 BSP 为开发者提供 MDK5 和 IAR 工程，并且支持 GCC 开发环境。下面以 MDK5 开发环境为例，介绍如何将系统运行起来。
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#### 硬件连接
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使用数据线连接开发板到 PC，打开电源开关。
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#### 编译下载
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双击 project.uvprojx 文件，打开 MDK5 工程，编译并下载程序到开发板。
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> 将工程使用的仿真器设置为ST-Link并安装仿真器好驱动程序以后，将开发板连接到PC，点击下载按钮即可下载程序到开发板。
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#### 运行结果
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下载程序成功之后，系统会自动运行。
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连接开发板对应串口到 PC , 在终端工具里打开相应的串口（115200-8-1-N），复位设备后，可以看到 RT-Thread 的输出信息:
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```bash
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\ | /
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- RT - Thread Operating System
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/ | \ 4.0.0 build Dec 21 2018
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2006 - 2018 Copyright by rt-thread team
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msh >
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```
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### 进阶使用
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此 BSP 默认只开启了 GPIO 和 LPUART 的功能，如果需使用 SPI，I2C 等更多高级功能，需要利用 ENV 工具对BSP 进行配置，步骤如下：
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1. 在 bsp 下打开 env 工具。
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2. 输入`menuconfig`命令配置工程，配置好之后保存退出。
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3. 输入`pkgs --update`命令更新软件包。
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4. 输入`scons --target=mdk5/iar` 命令重新生成工程。
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本章节更多详细的介绍请参考 [STM32 系列 BSP 外设驱动使用教程](../docs/STM32系列BSP外设驱动使用教程.md)。
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## 注意事项
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- 无
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## 联系人信息
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维护人:
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- [gztss](https://github.com/gztss)
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@ -0,0 +1,108 @@
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# STM32G071 BSP
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## 简介
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本文档为 RT-Thread 开发团队为 STM32G071RB-Nucleo 开发板提供的 BSP (板级支持包) 说明。
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主要内容如下：
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- 开发板资源介绍
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- BSP 快速上手
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- 进阶使用方法
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||||||
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通过阅读快速上手章节开发者可以快速地上手该 BSP，将 RT-Thread 运行在开发板上。在进阶使用指南章节，将会介绍更多高级功能，帮助开发者利用 RT-Thread 驱动更多板载资源。
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## 开发板介绍
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STM32G071RB-Nucleo 开发板是 ST 官方推出的一款基于 ARM Cortex-M0+ 内核的开发板，最高主频为 64Mhz，该开发板具有丰富的扩展接口，可以方便验证 STM32G071RB 的芯片性能。
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开发板外观如下图所示：
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该开发板常用 **板载资源** 如下：
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- MCU：STM32G071RB，主频 64MHz，128KB FLASH ，36KB RAM
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- 外部 RAM：无
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- 外部 FLASH：无
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- 常用外设
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- 按键：1个，user（兼具唤醒功能，PC13）
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- 常用接口：USB 转串口、arduino 接口等
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||||||
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- 调试接口，标准 SWD
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||||||
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开发板更多详细信息请参考 ST 的 [NUCLEO 开发板介绍](https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-eval-tools/stm32-mcu-eval-tools/stm32-mcu-nucleo/nucleo-g071rb.html)。
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## 外设支持
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本 BSP 目前对外设的支持情况如下：
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| **板载外设** | **支持情况** | **备注** |
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| :----------------- | :----------: | :------------------------------------- |
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| ST-LINK 虚拟串口 | 支持 | 使用 LPUART |
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| **片上外设** | **支持情况** | **备注** |
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| GPIO | 支持 | PA0, PA1... PC15 ---> PIN: 0, 1...47 |
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| UART | 支持 | LPUART1, USART1/2 |
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## 使用说明
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使用说明分为如下两个章节：
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- 快速上手
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本章节是为刚接触 RT-Thread 的新手准备的使用说明，遵循简单的步骤即可将 RT-Thread 操作系统运行在该开发板上，看到实验效果 。
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- 进阶使用
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本章节是为需要在 RT-Thread 操作系统上使用更多开发板资源的开发者准备的。通过使用 ENV 工具对 BSP 进行配置，可以开启更多板载资源，实现更多高级功能。
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### 快速上手
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本 BSP 为开发者提供 MDK5 和 IAR 工程，并且支持 GCC 开发环境。下面以 MDK5 开发环境为例，介绍如何将系统运行起来。
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#### 硬件连接
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使用数据线连接开发板到 PC，打开电源开关。
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#### 编译下载
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双击 project.uvprojx 文件，打开 MDK5 工程，编译并下载程序到开发板。
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||||||
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|
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> 将工程使用的仿真器设置为ST-Link并安装仿真器好驱动程序以后，将开发板连接到PC，点击下载按钮即可下载程序到开发板。
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#### 运行结果
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下载程序成功之后，系统会自动运行。
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||||||
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连接开发板对应串口到 PC , 在终端工具里打开相应的串口（115200-8-1-N），复位设备后，可以看到 RT-Thread 的输出信息:
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```bash
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\ | /
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- RT - Thread Operating System
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/ | \ 4.0.0 build Dec 21 2018
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2006 - 2018 Copyright by rt-thread team
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msh >
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```
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### 进阶使用
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此 BSP 默认只开启了 GPIO 和 LPUART 的功能，如果需使用 SPI，I2C 等更多高级功能，需要利用 ENV 工具对BSP 进行配置，步骤如下：
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1. 在 bsp 下打开 env 工具。
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2. 输入`menuconfig`命令配置工程，配置好之后保存退出。
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3. 输入`pkgs --update`命令更新软件包。
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4. 输入`scons --target=mdk5/iar` 命令重新生成工程。
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本章节更多详细的介绍请参考 [STM32 系列 BSP 外设驱动使用教程](../docs/STM32系列BSP外设驱动使用教程.md)。
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## 注意事项
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- 无
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## 联系人信息
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维护人:
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- [gztss](https://github.com/gztss)
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