driver_htu21d_basic.c

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#include "driver_htu21d_basic.h"
 
static htu21d_handle_t gs_handle;        

uint8_t htu21d_basic_init(void)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_HTU21D_LINK_INIT(&gs_handle, htu21d_handle_t);
    DRIVER_HTU21D_LINK_IIC_INIT(&gs_handle, htu21d_interface_iic_init);
    DRIVER_HTU21D_LINK_IIC_DEINIT(&gs_handle, htu21d_interface_iic_deinit);
    DRIVER_HTU21D_LINK_IIC_WRITE_CMD(&gs_handle, htu21d_interface_iic_write_cmd);
    DRIVER_HTU21D_LINK_IIC_READ_CMD(&gs_handle, htu21d_interface_iic_read_cmd);
    DRIVER_HTU21D_LINK_IIC_WRITE(&gs_handle, htu21d_interface_iic_write);
    DRIVER_HTU21D_LINK_IIC_READ(&gs_handle, htu21d_interface_iic_read);
    DRIVER_HTU21D_LINK_IIC_READ_WITH_SCL(&gs_handle, htu21d_interface_iic_read_with_scl);
    DRIVER_HTU21D_LINK_DELAY_MS(&gs_handle, htu21d_interface_delay_ms);
    DRIVER_HTU21D_LINK_DEBUG_PRINT(&gs_handle, htu21d_interface_debug_print);
 
    /* htu21d init */
    res = htu21d_init(&gs_handle);
    if (res != 0)
    {
        htu21d_interface_debug_print("htu21d: init failed.\n");
        
        return 1;
    }
    
    /* set default mode */
    res = htu21d_set_mode(&gs_handle, HTU21D_BASIC_DEFAULT_MODE);
    if (res != 0)
    {
        htu21d_interface_debug_print("htu21d: set mode failed.\n");
        (void)htu21d_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set default resolution */
    res = htu21d_set_resolution(&gs_handle, HTU21D_BASIC_DEFAULT_RESOLUTION);
    if (res != 0)
    {
        htu21d_interface_debug_print("htu21d: set resolution failed.\n");
        (void)htu21d_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set default heater */
    res = htu21d_set_heater(&gs_handle, HTU21D_BASIC_DEFAULT_HEATER);
    if (res != 0)
    {
        htu21d_interface_debug_print("htu21d: set heater failed.\n");
        (void)htu21d_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set default otp reload */
    res = htu21d_set_disable_otp_reload(&gs_handle, HTU21D_BASIC_DEFAULT_OTP_RELOAD);
    if (res != 0)
    {
        htu21d_interface_debug_print("htu21d: set disable otp reload failed.\n");
        (void)htu21d_deinit(&gs_handle);
       
        return 1;
    }
    
    return 0;
}

uint8_t htu21d_basic_read(float *temperature, float *humidity)
{
    uint16_t temperature_raw;
    uint16_t humidity_raw;
   
    /* read data */
    if (htu21d_read_temperature_humidity(&gs_handle, (uint16_t *)&temperature_raw, temperature,
                                        (uint16_t *)&humidity_raw, humidity) != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

uint8_t htu21d_basic_deinit(void)
{
    /* close htu21d */
    if (htu21d_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

uint8_t htu21d_basic_get_serial_number(uint64_t *number)
{
    /* get the serial number */
    if (htu21d_get_serial_number(&gs_handle, number) != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}