RT-Thread-PY32移植RT-Thread Nano记录RT-Thread问答社区

PY32移植RT-Thread Nano记录

发布于 2023-06-04 23:13:43 浏览：1064 订阅该版

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##### <center>PY32移植RT-Thread Nano记录</center>

过了许久稍微开始把原来画的饼一个一个填掉

这次简单的给PY32移植一下RT-Thread Nano

开发板：PY32F003_StartKit （PY32F003F16U Flash 32K SRAM 4K）

IDE:MDK5

##### 1.准备工作

这里bsp我直接使用厂商提供的bsp，原本想要直接选择芯片自己新建工程的，但是根据官方的教程一直没有成功于是就直接用现成的bsp了

##### 下载：点击Pack installer

![image-20230604223234185.png](https://oss-club.rt-thread.org/uploads/20230604/5713a26617a1daf591193b1bbe4febaa.png.webp)

选择RT-Thread进行下载

![4df796ee6a5a40c081a57bd40a18862.png](https://oss-club.rt-thread.org/uploads/20230604/057a76a2b52c722ebc253d059fa48fe7.png)

Manage Rum-Time Environment，本次我们就只移植kernel，shell暂时我还用不上所以就先不移植了

![1685889640484.png](https://oss-club.rt-thread.org/uploads/20230604/987cfaa255fc6589da6adb262526625b.png.webp)

##### 2.清除重定义

rt-thread在运行过程中会使用到HandFault_Handler和PendSV_Handler用于线程切换，异常处理，所以需要将py32f0xx_it.c中的这两个函数删除，否则链接时会提示重定义

还有mdk中main函数的入口函数`extern int $Super$$main(void);`原来是在system_py32f0xx.c中实现的，rtthread也进行了接管在启动流程中是如下流程

rt_application_init->main_thread_entry->$Super$$main(void)，所以我们需要把`system_py32f0xx.c`中的删除

##### 3.完成rt_hw_board_init

```C
void rt_hw_board_init(void)
{
    /* 
     * TODO 1: OS Tick Configuration
     * Enable the hardware timer and call the rt_os_tick_callback function
     * periodically with the frequency RT_TICK_PER_SECOND. 
     */

/* Call components board initial (use INIT_BOARD_EXPORT()) */
	HAL_Init();
	APP_SystemClockConfig(); // 配置系统时钟
  SystemCoreClockUpdate(); // 对系统时钟进行更新
	SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif

#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
    rt_system_heap_init(rt_heap_begin_get(), rt_heap_end_get());
#endif
}
```

##### 4.修改内存堆

因为这个芯片sram很小所以我这里就给了2KB

```C
#define RT_HEAP_SIZE (2*1024)
static rt_uint8_t rt_heap[RT_HEAP_SIZE];
```

##### 5.愉快的点灯

```c
/**
  ******************************************************************************
  * @file    main.c
  * @author  MCU Application Team
  * @brief   Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>© Copyright (c) Puya Semiconductor Co.
  * All rights reserved.</center></h2>
  *
  * <h2><center>© Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include <rtthread.h>
/* Private define ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private user code ---------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/

/**
  * @brief  应用程序入口函数.
  * @retval int
  */
static void APP_LedConfig(void);
int main(void)
{
	APP_LedConfig();

while (1)
  {
		rt_thread_delay(500);
    HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_5); 
  }
}

/**
  * @brief  错误执行函数
  * @param  无
  * @retval 无
  */
void APP_ErrorHandler(void)
{
  /* 无限循环 */
  while (1)
  {
  }
}
static void APP_LedConfig(void)
{
  GPIO_InitTypeDef  GPIO_InitStruct;

__HAL_RCC_GPIOB_CLK_ENABLE();                          /* GPIOB时钟使能 */

GPIO_InitStruct.Pin = GPIO_PIN_5;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;            /* 推挽输出 */
  GPIO_InitStruct.Pull = GPIO_PULLUP;                    /* 使能上拉 */
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;          /* GPIO速度 */

HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);                /* GPIO初始化 */
}
#ifdef  USE_FULL_ASSERT
/**
  * @brief  输出产生断言错误的源文件名及行号
  * @param  file：源文件名指针
  * @param  line：发生断言错误的行号
  * @retval 无
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* 用户可以根据需要添加自己的打印信息,
     例如: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* 无限循环 */
  while (1)
  {
  }
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

```

结果：LED亮灭500ms

![4b082a647e277bf0176ef0e2e76852b.jpg](https://oss-club.rt-thread.org/uploads/20230604/e3c2ed602ae4b880c1b889666466aedd.jpg.webp)