driver_sht2x_basic.c

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#include "driver_sht2x_basic.h"
 
static sht2x_handle_t gs_handle;        

uint8_t sht2x_basic_init(void)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_SHT2X_LINK_INIT(&gs_handle, sht2x_handle_t);
    DRIVER_SHT2X_LINK_IIC_INIT(&gs_handle, sht2x_interface_iic_init);
    DRIVER_SHT2X_LINK_IIC_DEINIT(&gs_handle, sht2x_interface_iic_deinit);
    DRIVER_SHT2X_LINK_IIC_READ_COMMAND(&gs_handle, sht2x_interface_iic_read_command);
    DRIVER_SHT2X_LINK_IIC_READ(&gs_handle, sht2x_interface_iic_read);
    DRIVER_SHT2X_LINK_IIC_READ_WITH_WAIT(&gs_handle, sht2x_interface_iic_read_with_wait);
    DRIVER_SHT2X_LINK_IIC_READ_ADDRESS16(&gs_handle, sht2x_interface_iic_read_address16);
    DRIVER_SHT2X_LINK_IIC_WRITE_COMMAND(&gs_handle, sht2x_interface_iic_write_command);
    DRIVER_SHT2X_LINK_IIC_WRITE(&gs_handle, sht2x_interface_iic_write);
    DRIVER_SHT2X_LINK_DELAY_MS(&gs_handle, sht2x_interface_delay_ms);
    DRIVER_SHT2X_LINK_DEBUG_PRINT(&gs_handle, sht2x_interface_debug_print);
 
    /* sht2x init */
    res = sht2x_init(&gs_handle);
    if (res != 0)
    {
        sht2x_interface_debug_print("sht2x: init failed.\n");
        
        return 1;
    }  
    
    /* set default heater */
    res = sht2x_set_heater(&gs_handle, SHT2X_BASIC_DEFAULT_HEATER);
    if (res != 0)
    {
        sht2x_interface_debug_print("sht2x: set heater failed.\n");
        (void)sht2x_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default disable otp reload */
    res = sht2x_set_disable_otp_reload(&gs_handle, SHT2X_BASIC_DEFAULT_DISABLE_OTP_RELOAD);
    if (res != 0)
    {
        sht2x_interface_debug_print("sht2x: set disable otp reload failed.\n");
        (void)sht2x_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default mode */
    res = sht2x_set_mode(&gs_handle, SHT2X_BASIC_DEFAULT_MODE);
    if (res != 0)
    {
        sht2x_interface_debug_print("sht2x: set mode failed.\n");
        (void)sht2x_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default resolution */
    res = sht2x_set_resolution(&gs_handle, SHT2X_BASIC_DEFAULT_RESOLUTION);
    if (res != 0)
    {
        sht2x_interface_debug_print("sht2x: set resolution failed.\n");
        (void)sht2x_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t sht2x_basic_read(float *temperature, float *humidity)
{
    uint16_t temperature_raw;
    uint16_t humidity_raw;
   
    /* read data */
    if (sht2x_read(&gs_handle, (uint16_t *)&temperature_raw, temperature, (uint16_t *)&humidity_raw, humidity) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t sht2x_basic_deinit(void)
{
    /* close sht2x */
    if (sht2x_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t sht2x_basic_get_serial_number(uint8_t sn[8])
{
    /* get serial number */
    if (sht2x_get_serial_number(&gs_handle, sn) != 0)
    {
        return 1;
    }
    
    return 0;
}