driver_htu31d_basic.c

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#include "driver_htu31d_basic.h"
 
static htu31d_handle_t gs_handle;        

uint8_t htu31d_basic_init(htu31d_addr_pin_t addr_pin)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_HTU31D_LINK_INIT(&gs_handle, htu31d_handle_t);
    DRIVER_HTU31D_LINK_IIC_INIT(&gs_handle, htu31d_interface_iic_init);
    DRIVER_HTU31D_LINK_IIC_DEINIT(&gs_handle, htu31d_interface_iic_deinit);
    DRIVER_HTU31D_LINK_IIC_WRITE(&gs_handle, htu31d_interface_iic_write);
    DRIVER_HTU31D_LINK_IIC_READ(&gs_handle, htu31d_interface_iic_read);
    DRIVER_HTU31D_LINK_DELAY_MS(&gs_handle, htu31d_interface_delay_ms);
    DRIVER_HTU31D_LINK_DEBUG_PRINT(&gs_handle, htu31d_interface_debug_print);
    
    /* set addr pin */
    res = htu31d_set_addr_pin(&gs_handle, addr_pin);
    if (res != 0)
    {
        htu31d_interface_debug_print("htu31d: set addr pin failed.\n");
       
        return 1;
    }
    
    /* htu31d init */
    res = htu31d_init(&gs_handle);
    if (res != 0)
    {
        htu31d_interface_debug_print("htu31d: init failed.\n");
        
        return 1;
    }
    
    /* set default humidity osr */
    res = htu31d_set_humidity_osr(&gs_handle, HTU21D_BASIC_DEFAULT_HUMIDITY_OSR);
    if (res != 0)
    {
        htu31d_interface_debug_print("htu31d: set humidity osr failed.\n");
        (void)htu31d_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set default temperature osr */
    res = htu31d_set_temperature_osr(&gs_handle, HTU21D_BASIC_DEFAULT_TEMPERATURE_OSR);
    if (res != 0)
    {
        htu31d_interface_debug_print("htu31d: set temperature osr failed.\n");
        (void)htu31d_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set heater off */
    res = htu31d_set_heater_off(&gs_handle);
    if (res != 0)
    {
        htu31d_interface_debug_print("htu31d: set heater off failed.\n");
        (void)htu31d_deinit(&gs_handle);
       
        return 1;
    }
    
    return 0;
}

uint8_t htu31d_basic_read(float *temperature, float *humidity)
{
    uint16_t temperature_raw;
    uint16_t humidity_raw;
   
    /* read data */
    if (htu31d_read_temperature_humidity(&gs_handle, (uint16_t *)&temperature_raw, temperature,
                                        (uint16_t *)&humidity_raw, humidity) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t htu31d_basic_deinit(void)
{
    /* close htu31d */
    if (htu31d_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t htu31d_basic_get_serial_number(uint8_t number[3])
{
    /* get the serial number */
    if (htu31d_get_serial_number(&gs_handle, number) != 0)
    {
        return 1;
    }
    
    return 0;
}