STM32103c8t6花样灯代码

以下是STM32F103C8T6花样灯的代码示例：

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;

/* Private function prototypes -----------------------------------------------*/
void Delay(__IO uint32_t nCount);

/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /* GPIOB Periph clock enable */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);

  /* Configure PB0, PB1 and PB5 in output pushpull mode */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_5;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  while (1)
  {
    /* PB0, PB1 and PB5 LED on */
    GPIO_SetBits(GPIOB, GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_5);
    Delay(0x7FFFF);

    /* PB0, PB1 and PB5 LED off */
    GPIO_ResetBits(GPIOB, GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_5);
    Delay(0x7FFFF);

    /* PB0 LED on */
    GPIO_SetBits(GPIOB, GPIO_Pin_0);
    Delay(0x7FFFF);

    /* PB0 LED off */
    GPIO_ResetBits(GPIOB, GPIO_Pin_0);
    Delay(0x7FFFF);

    /* PB1 LED on */
    GPIO_SetBits(GPIOB, GPIO_Pin_1);
    Delay(0x7FFFF);

    /* PB1 LED off */
    GPIO_ResetBits(GPIOB, GPIO_Pin_1);
    Delay(0x7FFFF);

    /* PB5 LED on */
    GPIO_SetBits(GPIOB, GPIO_Pin_5);
    Delay(0x7FFFF);

    /* PB5 LED off */
    GPIO_ResetBits(GPIOB, GPIO_Pin_5);
    Delay(0x7FFFF);
  }
}

/**
  * @brief  Delay.
  * @param  nCount
  * @retval None
  */
void Delay(__IO uint32_t nCount)
{
  for (; nCount != 0; nCount--);
}

此代码是用来控制STM32F103C8T6开发板上的三个LED灯（PB0、PB1、PB5），并且可以实现LED灯的闪烁效果。在代码中，使用了GPIO_InitTypeDef结构体来配置GPIO端口，使用了RCC_APB2PeriphClockCmd函数来使能GPIOB端口的时钟，使用了GPIO_SetBits和GPIO_ResetBits函数来控制LED灯的亮灭，以及使用了Delay函数来实现延时。