stm32一个按键控制两组led详细完整代码

以下是一个基于STM32的按键控制两组LED的详细完整代码，使用了HAL库进行编程。

#include "stm32f1xx_hal.h"

/* Define GPIO pins for LEDs */
#define LED1_Pin GPIO_PIN_12
#define LED1_GPIO_Port GPIOB
#define LED2_Pin GPIO_PIN_13
#define LED2_GPIO_Port GPIOB

/* Define GPIO pin for button */
#define BUTTON_Pin GPIO_PIN_0
#define BUTTON_GPIO_Port GPIOA

/* Define variables to store button state */
GPIO_PinState buttonState = GPIO_PIN_RESET; // Stores current button state
GPIO_PinState lastButtonState = GPIO_PIN_RESET; // Stores previous button state

/* Function prototypes */
void SystemClock_Config(void);
static void MX_GPIO_Init(void);

int main(void)
{
  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* Configure the system clock */
  SystemClock_Config();

  /* Initialize all configured peripherals */
  MX_GPIO_Init();

  /* Infinite loop */
  while (1)
  {
    /* Read button state */
    buttonState = HAL_GPIO_ReadPin(BUTTON_GPIO_Port, BUTTON_Pin);

    /* If button is pressed and was not pressed before, toggle LEDs */
    if (buttonState == GPIO_PIN_SET && lastButtonState == GPIO_PIN_RESET)
    {
      HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
      HAL_GPIO_TogglePin(LED2_GPIO_Port, LED2_Pin);
    }

    /* Update last button state */
    lastButtonState = buttonState;
  }
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : BUTTON_Pin */
  GPIO_InitStruct.Pin = BUTTON_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(BUTTON_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : LED1_Pin LED2_Pin */
  GPIO_InitStruct.Pin = LED1_Pin|LED2_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}

在代码中，首先定义了GPIO引脚和端口以及变量来存储按钮状态。然后在主函数中，通过轮询的方式读取按钮状态，并且如果按钮被按下并且之前没有被按下，就会切换LED的状态。最后，需要在while循环中更新上一个按钮状态的变量。完整代码中还包含了时钟配置和GPIO初始化函数。