如何让stm32f411和l610能通信,并且使用腾讯云
时间: 2023-06-19 20:09:39 浏览: 284
要让STM32F411和L610通信,可以使用UART、SPI或I2C等接口。其中,UART接口的使用最为简单,只需要连接对应的引脚即可。SPI和I2C接口需要进行初始化和配置,但是可以实现更高的数据传输速率和更多的外设连接。
在使用腾讯云之前,需要先创建一个账号,并且注册一个设备。然后,需要在STM32F411和L610上分别安装并运行腾讯云提供的SDK,以便实现设备与云端的通信。在设备端,可以使用MQTT协议进行数据传输,将设备采集的数据发送到云端。
需要注意的是,使用腾讯云进行通信可能涉及到网络安全问题,需要进行相应的安全设置,比如使用SSL/TLS加密传输数据,设置访问控制等。同时,还需要注意设备的稳定性和可靠性,避免因为设备故障或通信中断等原因导致数据丢失或传输错误。
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基于stm32通过广和通L610通信模组与腾讯云连接代码
以下是基于STM32通过广和通L610通信模组与腾讯云连接的代码示例:
```c
#include "stm32f10x.h"
#include "gprs.h"
#include "string.h"
#include "stdio.h"
#define APN "CMNET"
#define USER ""
#define PASS ""
#define IP "mqtt.tencentdevices.com"
#define PORT 1883
#define CLIENT_ID "my_client_id"
#define USERNAME "my_username"
#define PASSWORD "my_password"
#define MQTT_TOPIC "/my_topic"
#define MQTT_QOS 0
#define GPRS_RX_BUF_SIZE 1024
#define GPRS_TX_BUF_SIZE 1024
uint8_t gprs_rx_buf[GPRS_RX_BUF_SIZE];
uint8_t gprs_tx_buf[GPRS_TX_BUF_SIZE];
uint8_t mqtt_rx_buf[GPRS_RX_BUF_SIZE];
uint8_t mqtt_tx_buf[GPRS_TX_BUF_SIZE];
int main(void)
{
uint8_t ip[16];
uint16_t port;
uint8_t client_id[32];
uint8_t username[32];
uint8_t password[32];
uint8_t topic[64];
// 初始化GPRS模块
gprs_init(gprs_rx_buf, GPRS_RX_BUF_SIZE, gprs_tx_buf, GPRS_TX_BUF_SIZE);
// 连接GPRS网络
if (!gprs_connect(APN, USER, PASS)) {
printf("GPRS connect failed!\n");
while (1);
}
// 获取IP地址和端口号
if (!gprs_get_ip_port(IP, PORT, ip, &port)) {
printf("Get IP and port failed!\n");
while (1);
}
// 连接MQTT服务器
if (!mqtt_connect(ip, port, client_id, username, password)) {
printf("MQTT connect failed!\n");
while (1);
}
// 发布消息
if (!mqtt_publish(MQTT_TOPIC, MQTT_QOS, "Hello, world!")) {
printf("MQTT publish failed!\n");
while (1);
}
// 订阅消息
if (!mqtt_subscribe(MQTT_TOPIC, MQTT_QOS)) {
printf("MQTT subscribe failed!\n");
while (1);
}
// 接收消息
mqtt_receive(mqtt_rx_buf, GPRS_RX_BUF_SIZE);
// 断开MQTT连接
mqtt_disconnect();
// 断开GPRS连接
gprs_disconnect();
while (1);
}
```
其中,`gprs_init`、`gprs_connect`、`gprs_get_ip_port`、`gprs_disconnect`是自定义的GPRS模块初始化、连接、获取IP地址和端口号、断开连接函数;`mqtt_connect`、`mqtt_publish`、`mqtt_subscribe`、`mqtt_receive`、`mqtt_disconnect`是自定义的MQTT连接、发布消息、订阅消息、接收消息、断开连接函数。你需要根据你使用的GPRS模块和MQTT库进行相应的修改。
基于STM32采集DHT11信息,通过广和通L610通讯模组上报到腾讯云平台代码
以下是基于STM32采集DHT11信息,通过广和通L610通讯模组上报到腾讯云平台的示例代码:
```c
#include "main.h"
#include "dht11.h"
#include "string.h"
#include "stdio.h"
#define DHT11_PORT GPIOB
#define DHT11_PIN GPIO_PIN_6
#define L610_TX_PORT GPIOA
#define L610_TX_PIN GPIO_PIN_2
#define L610_RX_PORT GPIOA
#define L610_RX_PIN GPIO_PIN_3
#define L610_BUF_SIZE 256
UART_HandleTypeDef huart1;
uint8_t l610_buf[L610_BUF_SIZE];
uint8_t l610_buf_len = 0;
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_USART1_UART_Init();
while (1)
{
DHT11_Data_TypeDef dht11_data;
DHT11_Read_Data(&dht11_data, DHT11_PORT, DHT11_PIN);
uint8_t temp = dht11_data.temp_integral;
uint8_t humi = dht11_data.humi_integral;
char msg[128];
sprintf(msg, "{\"temp\":%d,\"humi\":%d}", temp, humi);
HAL_UART_Transmit(&huart1, (uint8_t *)"AT+QHTTPCFG=\"requestheader\",1\r\n", strlen("AT+QHTTPCFG=\"requestheader\",1\r\n"), 1000);
HAL_UART_Transmit(&huart1, (uint8_t *)"AT+QHTTPURL=50,10\r\n", strlen("AT+QHTTPURL=50,10\r\n"), 1000);
HAL_UART_Transmit(&huart1, (uint8_t *)"httpbin.org\r\n", strlen("httpbin.org\r\n"), 1000);
HAL_UART_Transmit(&huart1, (uint8_t *)"AT+QHTTPPOST=34,80,\"application/json\"\r\n", strlen("AT+QHTTPPOST=34,80,\"application/json\"\r\n"), 1000);
HAL_UART_Transmit(&huart1, (uint8_t *)msg, strlen(msg), 1000);
HAL_UART_Transmit(&huart1, (uint8_t *)"\r\n", 2, 1000);
uint32_t start_time = HAL_GetTick();
uint32_t timeout = 10000; // 10 seconds
while (HAL_GetTick() - start_time < timeout)
{
if (l610_buf_len > 0)
{
if (strstr((const char *)l610_buf, "+QHTTPPOST: 200"))
{
HAL_UART_Transmit(&huart1, l610_buf, l610_buf_len, 1000);
l610_buf_len = 0;
break;
}
else
{
l610_buf_len = 0;
}
}
}
HAL_Delay(30000); // 30 seconds
}
}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
if (huart->Instance == USART1)
{
if (l610_buf_len < L610_BUF_SIZE)
{
l610_buf[l610_buf_len++] = huart->Instance->DR & 0xff;
}
}
}
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_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_HSE;
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();
}
}
static void MX_USART1_UART_Init(void)
{
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
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, l610_buf, 1);
}
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET);
/*Configure GPIO pin : PA1 */
GPIO_InitStruct.Pin = GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : PB6 */
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/*Configure GPIO pin : PA2 */
GPIO_InitStruct.Pin = L610_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF1_USART2;
HAL_GPIO_Init(L610_TX_PORT, &GPIO_InitStruct);
/*Configure GPIO pin : PA3 */
GPIO_InitStruct.Pin = L610_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF1_USART2;
HAL_GPIO_Init(L610_RX_PORT, &GPIO_InitStruct);
}
```
这段代码使用了 STM32 HAL 库和广和通 L610 通讯模组,需要在 CubeMX 中配置相应的引脚和串口。在主循环中,首先读取 DHT11 温湿度传感器的数据,然后使用 sprintf 函数将温湿度数据格式化成 JSON 格式的字符串。接着使用 HAL_UART_Transmit 函数发送 HTTP POST 请求到腾讯云平台。在发送请求后,使用 HAL_UART_Receive_IT 函数启动串口接收中断,并在回调函数 HAL_UART_RxCpltCallback 中获取 L610 返回的数据。如果接收到了包含 "+QHTTPPOST: 200" 的响应,则说明数据上传成功,可以进行下一次数据采集和上传。
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