driver_sts21_basic.c

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#include "driver_sts21_basic.h"
 
static sts21_handle_t gs_handle;        

uint8_t sts21_basic_init(void)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_STS21_LINK_INIT(&gs_handle, sts21_handle_t);
    DRIVER_STS21_LINK_IIC_INIT(&gs_handle, sts21_interface_iic_init);
    DRIVER_STS21_LINK_IIC_DEINIT(&gs_handle, sts21_interface_iic_deinit);
    DRIVER_STS21_LINK_IIC_READ_COMMAND(&gs_handle, sts21_interface_iic_read_command);
    DRIVER_STS21_LINK_IIC_READ(&gs_handle, sts21_interface_iic_read);
    DRIVER_STS21_LINK_IIC_READ_WITH_WAIT(&gs_handle, sts21_interface_iic_read_with_wait);
    DRIVER_STS21_LINK_IIC_READ_ADDRESS16(&gs_handle, sts21_interface_iic_read_address16);
    DRIVER_STS21_LINK_IIC_WRITE_COMMAND(&gs_handle, sts21_interface_iic_write_command);
    DRIVER_STS21_LINK_IIC_WRITE(&gs_handle, sts21_interface_iic_write);
    DRIVER_STS21_LINK_DELAY_MS(&gs_handle, sts21_interface_delay_ms);
    DRIVER_STS21_LINK_DEBUG_PRINT(&gs_handle, sts21_interface_debug_print);
 
    /* sts21 init */
    res = sts21_init(&gs_handle);
    if (res != 0)
    {
        sts21_interface_debug_print("sts21: init failed.\n");
        
        return 1;
    }  
    
    /* set default heater */
    res = sts21_set_heater(&gs_handle, STS21_BASIC_DEFAULT_HEATER);
    if (res != 0)
    {
        sts21_interface_debug_print("sts21: set heater failed.\n");
        (void)sts21_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default disable otp reload */
    res = sts21_set_disable_otp_reload(&gs_handle, STS21_BASIC_DEFAULT_DISABLE_OTP_RELOAD);
    if (res != 0)
    {
        sts21_interface_debug_print("sts21: set disable otp reload failed.\n");
        (void)sts21_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default mode */
    res = sts21_set_mode(&gs_handle, STS21_BASIC_DEFAULT_MODE);
    if (res != 0)
    {
        sts21_interface_debug_print("sts21: set mode failed.\n");
        (void)sts21_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default resolution */
    res = sts21_set_resolution(&gs_handle, STS21_BASIC_DEFAULT_RESOLUTION);
    if (res != 0)
    {
        sts21_interface_debug_print("sts21: set resolution failed.\n");
        (void)sts21_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t sts21_basic_read(float *temperature)
{
    uint16_t temperature_raw;
   
    /* read data */
    if (sts21_read(&gs_handle, (uint16_t *)&temperature_raw, temperature) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t sts21_basic_deinit(void)
{
    /* close sts21 */
    if (sts21_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t sts21_basic_get_serial_number(uint8_t sn[8])
{
    /* get serial number */
    if (sts21_get_serial_number(&gs_handle, sn) != 0)
    {
        return 1;
    }
    
    return 0;
}