基于STM32HAL库通过广和通通讯模组L61通信运用AT指令将温度数据上传腾讯云的代码

以下是基于STM32HAL库通过广和通通讯模组L61通信运用AT指令将温度数据上传腾讯云的代码：

#include "main.h"
#include "stdio.h"
#include "string.h"

#define UART_TX_BUFFER_SIZE 512
#define UART_RX_BUFFER_SIZE 512

UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;

uint8_t uart1_tx_buffer[UART_TX_BUFFER_SIZE];
uint8_t uart2_tx_buffer[UART_TX_BUFFER_SIZE];
uint8_t uart1_rx_buffer[UART_RX_BUFFER_SIZE];
uint8_t uart2_rx_buffer[UART_RX_BUFFER_SIZE];

uint8_t tx_index_1 = 0;
uint8_t tx_index_2 = 0;
uint8_t rx_index_1 = 0;
uint8_t rx_index_2 = 0;

uint8_t uart1_rx_data = 0;
uint8_t uart2_rx_data = 0;

void SystemClock_Config(void);
void MX_GPIO_Init(void);
void MX_USART1_UART_Init(void);
void MX_USART2_UART_Init(void);

void uart1_send_data(uint8_t data);
void uart1_send_string(uint8_t *str);
void uart2_send_data(uint8_t data);
void uart2_send_string(uint8_t *str);

void uart1_send_data(uint8_t data) {
    uart1_tx_buffer[tx_index_1] = data;
    tx_index_1++;
    HAL_UART_Transmit_IT(&huart1, uart1_tx_buffer, tx_index_1);
    tx_index_1 = 0;
}

void uart1_send_string(uint8_t *str) {
    uint8_t len = strlen(str);
    for (uint8_t i = 0; i < len; i++) {
        uart1_send_data(str[i]);
    }
}

void uart2_send_data(uint8_t data) {
    uart2_tx_buffer[tx_index_2] = data;
    tx_index_2++;
    HAL_UART_Transmit_IT(&huart2, uart2_tx_buffer, tx_index_2);
    tx_index_2 = 0;
}

void uart2_send_string(uint8_t *str) {
    uint8_t len = strlen(str);
    for (uint8_t i = 0; i < len; i++) {
        uart2_send_data(str[i]);
    }
}

int main(void) {
    HAL_Init();
    SystemClock_Config();
    MX_GPIO_Init();
    MX_USART1_UART_Init();
    MX_USART2_UART_Init();

    while (1) {
        // 读取温度数据并转化为字符串
        float temperature = 25.5; // 假设读取到的温度是25.5度
        char temp_str[6];
        sprintf(temp_str, "%.1f", temperature);

        // 拼接AT指令
        uint8_t at_cmd[50];
        sprintf(at_cmd, "AT+CMQTTTOPIC=\"%s\"\r\n", "temperature");
        uart1_send_string(at_cmd);

        sprintf(at_cmd, "AT+CMQTTPAYLOAD=%d\r\n", strlen(temp_str));
        uart1_send_string(at_cmd);

        uart1_send_string(temp_str);
        uart1_send_string("\r\n");

        HAL_Delay(5000); // 每隔5秒上传一次数据
    }
}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) {
    if (huart == &huart1) {
        uart1_rx_buffer[rx_index_1] = uart1_rx_data;
        rx_index_1++;
        HAL_UART_Receive_IT(&huart1, &uart1_rx_data, 1);
    } else if (huart == &huart2) {
        uart2_rx_buffer[rx_index_2] = uart2_rx_data;
        rx_index_2++;
        HAL_UART_Receive_IT(&huart2, &uart2_rx_data, 1);
    }
}

void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) {
    if (huart == &huart1) {
        memset(uart1_tx_buffer, 0, UART_TX_BUFFER_SIZE);
    } else if (huart == &huart2) {
        memset(uart2_tx_buffer, 0, UART_TX_BUFFER_SIZE);
    }
}

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();
    }
}

void MX_USART1_UART_Init(void) {
    huart1.Instance = USART1;
    huart1.Init.BaudRate = 9600;
    huart1.Init.WordLength = UART_WORDLENGTH_8B;
    huart1.Init.StopBits = UART_STOPBITS_1;
    huart1.Init.Parity = UART_PARITY_NONE;
    huart1.Init.Mode = UART_MODE_TX_RX;
    huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart1.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart1) != HAL_OK) {
        Error_Handler();
    }
    HAL_UART_Receive_IT(&huart1, &uart1_rx_data, 1);
}

void MX_USART2_UART_Init(void) {
    huart2.Instance = USART2;
    huart2.Init.BaudRate = 9600;
    huart2.Init.WordLength = UART_WORDLENGTH_8B;
    huart2.Init.StopBits = UART_STOPBITS_1;
    huart2.Init.Parity = UART_PARITY_NONE;
    huart2.Init.Mode = UART_MODE_TX_RX;
    huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart2.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart2) != HAL_OK) {
        Error_Handler();
    }
    HAL_UART_Receive_IT(&huart2, &uart2_rx_data, 1);
}

void MX_GPIO_Init(void) {
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
}

void Error_Handler(void) {
}

#ifdef  USE_FULL_ASSERT
void assert_failed(uint8_t *file, uint32_t line) {
}
#endif

注：这只是一个示例代码，需要根据实际情况进行修改和完善。