0
点赞
收藏
分享

微信扫一扫

STM32-ESP8266

西曲风 2023-05-15 阅读 98

ESP8266连接路由器网络,进行控制,在中断中进行处理操作

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
#include <string.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define SIZE 12
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
char buffer[SIZE];
char LJWL[] = "AT+CWJAP=\"MI 9_UHuH\",\"123456789\"\r\n"; //入网指令
char LJFWQ[] = "AT+CIPSTART=\"TCP\",\"10.64.17.23\",8880\r\n"; //连接服务器指令
char TCMS[] = "AT+CIPMODE=1\r\n"; //透传指令
char SJCS[] = "AT+CIPSEND\r\n"; //数据传输开始指令
char CQMK[] = "AT+RST\r\n"; //重启模块指令
char AT_OK_Flag = 0; //OK返回值的标志位
char AT_Connect_Net_Flag = 0; //WIFI GOT IP返回值的标志位


uint8_t buf=0;
#define UART1_REC_LEN 200
uint8_t UART1_RX_Buffer[UART1_REC_LEN];
uint16_t UART1_RX_STA=0;
/* USER CODE END PM */

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

/* USER CODE BEGIN PV */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
 // 判断中断是由哪个串口触发的
 if(huart->Instance == USART1)
 {
		// 判断接收是否完成(UART1_RX_STA bit15 位是否为1)
		if((UART1_RX_STA & 0x8000) == 0)
		{
			// 如果已经收到了 0x0d (回车),
			if(UART1_RX_STA & 0x4000)
			{
			// 则接着判断是否收到 0x0a (换行)
				if(buf == 0x0a)
				{
					// 如果 0x0a 和 0x0d 都收到,则将 bit15 位置为1
					UART1_RX_STA |= 0x8000;
					// 查看是否收到 WIFI GOT IP
					if(!strcmp((uint8_t *)UART1_RX_Buffer, "WIFI GOT IP"))
						AT_Connect_Net_Flag = 1;
					// 查看是否收到 OK
					if(!strcmp((uint8_t *)UART1_RX_Buffer, "OK"))
						AT_OK_Flag = 1;
					// 查看是否收到 FAIL
					if(!strcmp((uint8_t *)UART1_RX_Buffer, "FAIL"))
					{
						int i = 0;
						for(i = 0; i < 5; i++)
						{
						HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_8);
						HAL_Delay(1000);
						}
						HAL_GPIO_WritePin(GPIOB, GPIO_PIN_9, GPIO_PIN_RESET);
						printf(CQMK);
					}
						// 灯控指令
					if(!strcmp((uint8_t *)UART1_RX_Buffer, "L-1"))
						HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_RESET);
					if(!strcmp((uint8_t *)UART1_RX_Buffer, "L-0"))
						HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_SET);
					memset(UART1_RX_Buffer, 0, UART1_REC_LEN);
					UART1_RX_STA = 0;
				}
				else
				// 否则认为接收错误,重新开始
				UART1_RX_STA = 0;
			}
			else // 如果没有收到了 0x0d (回车)
			{
			//则先判断收到的这个字符是否是 0x0d (回车)
			if(buf == 0x0d)
			{
				// 是的话则将 bit14 位置为1
				UART1_RX_STA |= 0x4000;
			}
			else
			{
				// 否则将接收到的数据保存在缓存数组里
				UART1_RX_Buffer[UART1_RX_STA & 0X3FFF] = buf;
				UART1_RX_STA++;
				// 如果接收数据大于UART1_REC_LEN(200字节),则重新开始接收
				if(UART1_RX_STA > UART1_REC_LEN - 1)
				UART1_RX_STA = 0;
			}
			}
		}
		// 重新开启中断
		HAL_UART_Receive_IT(&huart1, &buf, 1);
 }
}

int fputc(int ch, FILE *f)
{
	unsigned char temp[1]={ch};
	HAL_UART_Transmit(&huart1,temp,1,0xffff);
	return ch;
}
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
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();
  MX_USART2_UART_Init();
  /* USER CODE BEGIN 2 */
	HAL_NVIC_SetPriority(SysTick_IRQn,0,0);
	// 开启接收中断
	HAL_UART_Receive_IT(&huart1, &buf, 1);
	HAL_UART_Transmit(&huart2, "let's go!!\r\n", strlen("let's go!!\r\n"), 100);
	//发送联网AT指令并等待成功
	printf(LJWL);
	//while(!AT_Connect_Net_Flag);
	while(!AT_OK_Flag) HAL_Delay(50);
	AT_OK_Flag = 0;
	//发送连服务器指令并等待成功
	printf(LJFWQ);
	while(!AT_OK_Flag) HAL_Delay(50);
	AT_OK_Flag = 0;
	//发送透传模式指令并等待成功
	printf(TCMS);
	while(!AT_OK_Flag) HAL_Delay(50);
	AT_OK_Flag = 0;
	//发送数据传输指令并等待成功
	printf(SJCS);
	while(!AT_OK_Flag) HAL_Delay(50);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
		printf("liangxu shuai\r\n");
		HAL_UART_Transmit(&huart2, "hello liangxu\r\n", strlen("hello liangxu\r\n"),100);
		HAL_Delay(3000);
  }
  /* USER CODE END 3 */
}

/**
  * @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_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();
  }

  /** 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_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();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */


举报

相关推荐

0 条评论