2019年09月06日 | stm32 通过串口控制led灯亮灭 并通过lcd显示led灯的亮灭状态

#include "main.h"

#include "stm32f0xx_hal.h"

/* USER CODE BEGIN Includes */

#include "lcd.h"

/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */

/* Private variables ---------------------------------------------------------*/

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_USART1_UART_Init(void);

/* USER CODE BEGIN PFP */

/* Private function prototypes -----------------------------------------------*/

/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**

  * @brief  The application entry point.

  *

  * @retval None

  */

int main(void)

{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration----------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */

  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */

  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */

  MX_GPIO_Init();

  MX_USART1_UART_Init();

  /* USER CODE BEGIN 2 */

Lcd_Init();

Lcd_Clear(WHITE);

  /* USER CODE END 2 */

  /* Infinite loop */

  /* USER CODE BEGIN WHILE */

Gui_DrawFont_GBK16(0, 0, BLACK, WHITE, "LED1 OFF");

Gui_DrawFont_GBK16(0, 25, BLACK, WHITE, "LED2 OFF");

Gui_DrawFont_GBK16(0, 50, BLACK, WHITE, "LED3 OFF");

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2, GPIO_PIN_SET);

  while (1)

  {

  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */

uint8_t data = 0;  

HAL_UART_Receive_IT(&huart1, &data, 1);  

if(data == '1')  

{  

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);  

HAL_UART_Transmit(&huart1, &data, 1, 0);  

Gui_DrawFont_GBK16(0, 0, BLACK, WHITE, "LED1  ON");

//HAL_Delay(500);

}  

else if(data == '2')  

{  

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);  

HAL_UART_Transmit(&huart1, &data, 1, 0);  

Gui_DrawFont_GBK16(0, 0, BLACK, WHITE, "LED1 OFF");

//HAL_Delay(500);

} 

else if(data == '3')  

{  

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET);  

HAL_UART_Transmit(&huart1, &data, 1, 0);  

Gui_DrawFont_GBK16(0, 25, BLACK, WHITE, "LED2  ON");

//HAL_Delay(500);

}

else if(data == '4')  

{  

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_SET);  

HAL_UART_Transmit(&huart1, &data, 1, 0);  

Gui_DrawFont_GBK16(0, 25, BLACK, WHITE, "LED2 OFF");

//HAL_Delay(500);

}

else if(data == '5')  

{  

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_2, GPIO_PIN_RESET);  

HAL_UART_Transmit(&huart1, &data, 1, 0);  

Gui_DrawFont_GBK16(0, 50, BLACK, WHITE, "LED3  ON");

//HAL_Delay(500);

}

else if(data == '6')  

{  

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_2, GPIO_PIN_SET);  

HAL_UART_Transmit(&huart1, &data, 1, 0);  

Gui_DrawFont_GBK16(0, 50, BLACK, WHITE, "LED3 OFF");

//HAL_Delay(500);

}

  }

  /* USER CODE END 3 */

}