hal_temp_hum.h 文件参考

#include <stdio.h>
#include <c_types.h>
#include <gpio.h>
#include <eagle_soc.h>

hal_temp_hum.h 的引用(Include)关系图:

此图展示该文件直接或间接的被哪些文件引用了:

浏览源代码.

结构体
struct	th_typedef_t

宏定义
#define	DHT11_GPIO_PIN   5
#define	DHT11_IO_IN   GPIO_DIS_OUTPUT(GPIO_ID_PIN(DHT11_GPIO_PIN))
#define	DHT11_IO_OUT   gpio_output_set(0, 0, GPIO_ID_PIN(DHT11_GPIO_PIN), 0)
#define	DHT11_OUT_HIGH   GPIO_OUTPUT_SET(GPIO_ID_PIN(DHT11_GPIO_PIN), 1)
#define	DHT11_OUT_LOW   GPIO_OUTPUT_SET(GPIO_ID_PIN(DHT11_GPIO_PIN), 0)
#define	DHT11_IN   GPIO_INPUT_GET(GPIO_ID_PIN(DHT11_GPIO_PIN))
#define	MEAN_NUM   10

函数
uint8_t	dh11Read (uint8_t *temperature, uint8_t *humidity)
uint8_t	dh11Init (void)
void	dh11SensorTest (void)

宏定义说明

#define DHT11_GPIO_PIN   5

#define DHT11_IO_IN   GPIO_DIS_OUTPUT(GPIO_ID_PIN(DHT11_GPIO_PIN))

#define DHT11_IO_OUT   gpio_output_set(0, 0, GPIO_ID_PIN(DHT11_GPIO_PIN), 0)

#define DHT11_OUT_HIGH   GPIO_OUTPUT_SET(GPIO_ID_PIN(DHT11_GPIO_PIN), 1)

#define DHT11_OUT_LOW   GPIO_OUTPUT_SET(GPIO_ID_PIN(DHT11_GPIO_PIN), 0)

#define DHT11_IN   GPIO_INPUT_GET(GPIO_ID_PIN(DHT11_GPIO_PIN))

#define MEAN_NUM   10

函数说明

uint8_t dh11Read	(	uint8_t *	temperature,
		uint8_t *	humidity
	)

{
    uint8_t ret = 0; 
    uint8_t cur_i = 0;
    uint8_t curTem = 0;
    uint8_t curHum = 0;
    uint16_t temMeans = 0;
    uint16_t hum_means = 0;

    ret = dht11ReadData(&curTem, &curHum);

    if(0 == ret) 
    {
        //Cycle store ten times stronghold
        if(MEAN_NUM > temphum_typedef.th_num)
        {
            temphum_typedef.th_bufs[temphum_typedef.th_num][0] = curTem;
            temphum_typedef.th_bufs[temphum_typedef.th_num][1] = curHum;

            temphum_typedef.th_num++;
        }
        else
        {
            temphum_typedef.th_num = 0;

            temphum_typedef.th_bufs[temphum_typedef.th_num][0] = curTem;
            temphum_typedef.th_bufs[temphum_typedef.th_num][1] = curHum;

            temphum_typedef.th_num++;
        }
    }
    else
    {
        return 1; 
    }
    
    if(MEAN_NUM <= temphum_typedef.th_num) 
    {
        temphum_typedef.th_amount = MEAN_NUM;
    }

    if(0 == temphum_typedef.th_amount) 
    {
        //Calculate Before ten the mean
        for(cur_i = 0; cur_i < temphum_typedef.th_num; cur_i++)
        {
            temMeans += temphum_typedef.th_bufs[cur_i][0];
            hum_means += temphum_typedef.th_bufs[cur_i][1];
        }

        temMeans = temMeans / temphum_typedef.th_num;
        hum_means = hum_means / temphum_typedef.th_num; 
        
        *temperature = temMeans;
        *humidity = hum_means;
    }
    else if(MEAN_NUM == temphum_typedef.th_amount) 
    {
        //Calculate After ten times the mean
        for(cur_i = 0; cur_i < temphum_typedef.th_amount; cur_i++) 
        {
            temMeans += temphum_typedef.th_bufs[cur_i][0];
            hum_means += temphum_typedef.th_bufs[cur_i][1];
        }

        temMeans = temMeans / temphum_typedef.th_amount; 
        hum_means = hum_means / temphum_typedef.th_amount; 
        
        *temperature = (uint8_t)temMeans; 
        *humidity = (uint8_t)hum_means; 
    }

    return 0;
}

这是这个函数的调用关系图:

uint8_t dh11Init

(

void

)

{
    /* Migrate your driver code */
    PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO5_U, FUNC_GPIO5);

    dht11Rst(); 
    
    os_memset((uint8_t *)&temphum_typedef, 0, sizeof(th_typedef_t)); 
    
    os_printf("dh11Init \r\n"); 
    
    return dht11Check(); 
}

void dh11SensorTest

(

void

)

{
    /* Test LOG model */

    uint8_t curTem = 0;
    uint8_t curHum = 0; 
    
    dht11ReadData(&curTem, &curHum); 
    
    os_printf("Temperature : %d , Humidity : %d", curTem, curHum); 
}