流水灯还有人会写吗？

#include "stm32f1xx_hal.h"



#define LED_PIN GPIO_PIN_13

#define LED_GPIO_PORT GPIOC



void SystemClock_Config(void);

static void MX_GPIO_Init(void);



int main(void)

{

  HAL_Init();  // 初始化HAL库



  SystemClock_Config();  // 配置系统时钟



  MX_GPIO_Init();  // 配置GPIO



  while (1)

  {

    HAL_GPIO_TogglePin(LED_GPIO_PORT, LED_PIN);  // 翻转LED

    HAL_Delay(500);  // 延时500ms

  }

}



void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct = {0};

  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};



  __HAL_RCC_PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);



  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;

  RCC_OscInitStruct.HSEState = RCC_HSE_ON;

  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;

  RCC_OscInitStruct.HSIState = RCC_HSI_ON;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

  {

    Error_Handler();

  }



  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK

                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;

  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;

  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;



  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)

  {

    Error_Handler();

  }

}



static void MX_GPIO_Init(void)

{

  GPIO_InitTypeDef GPIO_InitStruct = {0};



  __HAL_RCC_GPIOC_CLK_ENABLE();



  GPIO_InitStruct.Pin = LED_PIN;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(LED_GPIO_PORT, &GPIO_InitStruct);

}



void Error_Handler(void)

{

  // 错误处理函数，可以在此处添加代码处理错误

}



#ifdef  USE_FULL_ASSERT

void assert_failed(uint8_t *file, uint32_t line)

{

  // 断言失败处理函数，可以在此处添加代码处理错误

}

#endif /* USE_FULL_ASSERT */