中移ML307R(4G Cat1,C-SDK,OpenCPU)模组学习开发-使用i2c采集sht30温湿度数据

#include "custom_main.h"

#include "stdio.h"
#include "stdlib.h"

#include "cm_fs.h"
#include "cm_mem.h"
#include "cm_sys.h"
#include "cm_sim.h"
#include "cm_rtc.h"
#include "cm_os.h"
#include "cm_i2c.h"

#include "cm_gpio.h"
#include "cm_iomux.h"
#include "cm_uart.h"

#include "uart.h"
#include "sht3x.h"



/********************************************uart0**************************************************/
uartStruct uart0={0};//定义串口结构体变量
void uartRecvData(uint32_t flags, char *data, int len)
{
    uartSendData(&uart0, data, len);//把接收的数据返回
}


/********************************************Sht30**************************************************/
osThreadId_t osThreadIdSht30;//用于记录任务的句柄(ID码),可以用来停止任务
static void osThreadIdSht30Fun(void *param)
{
    cm_i2c_cfg_t config = {
        CM_I2C_ADDR_TYPE_7BIT,
        CM_I2C_MODE_MASTER,
        CM_I2C_CLK_100KHZ
    };
    int32_t ret=0;
    sht3x_init(&sht3x, SHT3X_DEV_ADDR);
    char print_buff[100];
    int len=0;
    while (1)
    {
        //启动i2c
        if (cm_i2c_open(SHT3X_I2C_ID, &config)!=0)
        {
            cm_log_printf(0,"i2c init err, ret = %d\n", ret);
            osDelay(1000/5);//延时
            cm_i2c_close(SHT3X_I2C_ID);
            osDelay(20/5);//延时
        }
        else
        {
            cm_log_printf(0,"i2c init ok\n");
            // 启动传感器
            osDelay(20/5);//延时
            ret = sht3x_begin(&sht3x);
            if (ret != 0) 
            {
                cm_log_printf(0,"SHT3x begin failed\n");
                osDelay(1000/5);//延时
                cm_i2c_close(SHT3X_I2C_ID);
                osDelay(20/5);//延时
            }
            else
            {
                osDelay(20);//延时
                while (1) 
                {
                    ret = sht3x_measure(&sht3x);// 读取传感器数据
                    if (ret != 0) 
                    {
                        cm_log_printf(0,"Failed to read from SHT3x\n");
                        break;
                    }
                    else
                    {
                        //打印温湿度数据
                        len = snprintf(print_buff, sizeof(print_buff), "Temperature: %.2f C, Humidity: %.2f %%\n", sht3x.temperature, sht3x.humidity);
                        uartSendData(&uart0, print_buff, len);
                    }
                    osDelay(100);  //延时读取一次数据
                }
            }
        }
    }
}


int cm_opencpu_entry(void *param)
{
    (void)param;

    //配置串口
    uart0.uartId = 0;//配置串口号
    uart0.uartRecvCb = uartRecvData;//设置接收数据函数
    uart0.config.baudrate = 115200;//波特率
    uart0.config.byte_size = CM_UART_BYTE_SIZE_8;//数据位数
    uart0.config.flow_ctrl = CM_UART_FLOW_CTRL_NONE;//硬件流控
    uart0.config.parity = CM_UART_PARITY_NONE;//奇偶校验
    uart0.config.stop_bit = CM_UART_STOP_BIT_ONE;//停止位
    uart0.config.is_lpuart = 0;//若要配置为低功耗模式可改为1
    if (uart_init(&uart0) !=0)//初始化串口
    {
        return -1;
    }

    
    //配置任务sht30
    osThreadAttr_t app_task_attr = {0};
    app_task_attr.name  = "osThreadIdSht30";//任务名字-随意
    app_task_attr.stack_size = 4096 * 2;//任务使用栈大小-写这个就可以
    app_task_attr.priority = osPriorityNormal;//任务优先级-普通优先级
    //返回任务句柄                                 任务函数        给任务函数的参数       任务配置    
    osThreadIdSht30 = osThreadNew((osThreadFunc_t)osThreadIdSht30Fun,      NULL,         &app_task_attr);


    return 0;
}