390 lines
9.7 KiB
C
390 lines
9.7 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "adc.h"
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#include "i2c.h"
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#include "tim.h"
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#include "usart.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "stdio.h"
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#include "stm32f1xx_hal.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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#define WIFI_SSID "AILA"
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#define WIFI_PASSWORD "77777777"
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#define SERVER_IP "112.74.107.30"
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#define SERVER_PORT 9008
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#define TX_BUFFER_SIZE 512
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#define DHT11_PIN GPIO_PIN_0
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#define DHT11_PORT GPIOA
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uint8_t humidity = 0, temperature = 0;
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void Delay_us(uint16_t us)
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{
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uint16_t differ = 0xffff - us - 5;
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__HAL_TIM_SET_COUNTER(&htim1, differ);
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HAL_TIM_Base_Start(&htim1);
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while (differ < 0xffff - 5)
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{
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differ = __HAL_TIM_GET_COUNTER(&htim1);
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}
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HAL_TIM_Base_Stop(&htim1);
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}
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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uint8_t txBuffer[TX_BUFFER_SIZE];
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void sendATCommand(char *command, uint16_t timeout)
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{
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HAL_UART_Transmit(&huart2, (uint8_t *)command, strlen(command), HAL_MAX_DELAY);
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HAL_Delay(timeout);
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}
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void ESP8266_Init()
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{
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sendATCommand("AT+RST\r\n", 2000);
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sendATCommand("AT+CWMODE=1\r\n", 1000);
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snprintf((char *)txBuffer, TX_BUFFER_SIZE, "AT+CWJAP=\"%s\",\"%s\"\r\n", WIFI_SSID, WIFI_PASSWORD);
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sendATCommand((char *)txBuffer, 5000);
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snprintf((char *)txBuffer, TX_BUFFER_SIZE, "AT+CIPSTART=\"TCP\",\"%s\",%d\r\n", SERVER_IP, SERVER_PORT);
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sendATCommand((char *)txBuffer, 3000);
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}
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void ESP8266_SendData(char *data)
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{
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snprintf((char *)txBuffer, TX_BUFFER_SIZE, "AT+CIPSEND=%d\r\n", strlen(data));
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sendATCommand((char *)txBuffer, 1000);
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HAL_UART_Transmit(&huart2, (uint8_t *)data, strlen(data), HAL_MAX_DELAY);
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HAL_Delay(1000);
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}
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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uint8_t Data[5] = {0x00, 0x00, 0x00, 0x00, 0x00};
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/*------------------------------*/
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void DHT_GPIO_SET_OUTPUT(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.Pin = GPIO_PIN_0;
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GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
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}
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void DHT_GPIO_SET_INPUT(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.Pin = GPIO_PIN_0;
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GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
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GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
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}
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/*------------------------------*/
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uint8_t DHT_Read_Byte(void)
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{
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uint8_t ReadData = 0;
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uint8_t temp;
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uint8_t retry = 0;
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uint8_t i;
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for (i = 0; i < 8; i++)
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{
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while (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0) == 0 && retry < 100)
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{
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Delay_us(1);
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retry++;
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}
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retry = 0;
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Delay_us(40);
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if (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0) == 1)
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temp = 1;
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else
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temp = 0;
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while (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0) == 1 && retry < 100)
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{
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Delay_us(1);
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retry++;
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}
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retry = 0;
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ReadData <<= 1;
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ReadData |= temp;
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}
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return ReadData;
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}
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/*------------------------------*/
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/*
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uint8_t DHT_Read(void)表达完整时序
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*/
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uint8_t DHT_Read(void)
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{
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uint8_t retry = 0;
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uint8_t i;
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DHT_GPIO_SET_OUTPUT();
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0, GPIO_PIN_RESET);
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HAL_Delay(18);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0, GPIO_PIN_SET);
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Delay_us(20);
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DHT_GPIO_SET_INPUT();
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Delay_us(20);
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if (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0) == 0)
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{
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while (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0) == 0 && retry < 100)
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{
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Delay_us(1);
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retry++;
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}
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retry = 0;
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while (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0) == 1 && retry < 100)
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{
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Delay_us(1);
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retry++;
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}
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retry = 0;
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for (i = 0; i < 5; i++)
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{
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Data[i] = DHT_Read_Byte();
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}
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Delay_us(50);
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}
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uint32_t sum = Data[0] + Data[1] + Data[2] + Data[3]; // 校验
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if ((sum) == Data[4])
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return 1;
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else
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return 0;
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}
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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uint32_t adc_value = 0;
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_USART1_UART_Init();
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MX_USART2_UART_Init();
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MX_USART3_UART_Init();
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MX_ADC1_Init();
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MX_I2C1_Init();
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MX_TIM1_Init();
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/* USER CODE BEGIN 2 */
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_SET);
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ESP8266_Init();
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_SET);
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HAL_Delay(1000);
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET);
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HAL_Delay(1000);
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if (DHT_Read())
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{
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humidity = Data[0]; // 更新湿度
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temperature = Data[2]; // 更新温度
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}
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HAL_ADC_Start(&hadc1); // 开始ADC转换
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if (HAL_ADC_PollForConversion(&hadc1, 10) == HAL_OK) // 等待转换完成，超时时间10ms
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{
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adc_value = HAL_ADC_GetValue(&hadc1); // 获取ADC值
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}
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HAL_ADC_Stop(&hadc1); // 停止ADC
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char jsonData[TX_BUFFER_SIZE];
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snprintf(jsonData, TX_BUFFER_SIZE, "{\"MODEL\":\"AIR100\",\"IMEI\":\"JkyAir000000099\",\"PM25\":\"16\",\"PM1\":\"11\",\"PM10\":\"15\",\"CO2\":\"320\",\"HCHO\":\"%d\",\"TEMP\":\"%d\",\"TVOC\":\"0.06\",\"HUMI\":\"%d\",\"TIME\":\"2019-06-04 11:44:04\",\"VER\":\"0.9\"}", adc_value, temperature, humidity);
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ESP8266_SendData(jsonData);
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
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{
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Error_Handler();
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}
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
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PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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void CE_CO2_nonfud()
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{
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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