driver_scd30_basic.c

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#include "driver_scd30_basic.h"
 
static scd30_handle_t gs_handle;        

uint8_t scd30_basic_init(scd30_interface_t interface, uint16_t mbar)
{
    uint8_t res;
    uint16_t second;
    scd30_bool_t enable;
    
    /* link functions */
    DRIVER_SCD30_LINK_INIT(&gs_handle, scd30_handle_t);
    DRIVER_SCD30_LINK_UART_INIT(&gs_handle, scd30_interface_uart_init);
    DRIVER_SCD30_LINK_UART_DEINIT(&gs_handle, scd30_interface_uart_deinit);
    DRIVER_SCD30_LINK_UART_READ(&gs_handle, scd30_interface_uart_read);
    DRIVER_SCD30_LINK_UART_WRITE(&gs_handle, scd30_interface_uart_write);
    DRIVER_SCD30_LINK_UART_FLUSH(&gs_handle, scd30_interface_uart_flush);
    DRIVER_SCD30_LINK_IIC_INIT(&gs_handle, scd30_interface_iic_init);
    DRIVER_SCD30_LINK_IIC_DEINIT(&gs_handle, scd30_interface_iic_deinit);
    DRIVER_SCD30_LINK_IIC_WRITE_COMMAND(&gs_handle, scd30_interface_iic_write_cmd);
    DRIVER_SCD30_LINK_IIC_READ_COMMAND(&gs_handle, scd30_interface_iic_read_cmd);
    DRIVER_SCD30_LINK_DELAY_MS(&gs_handle, scd30_interface_delay_ms);
    DRIVER_SCD30_LINK_DEBUG_PRINT(&gs_handle, scd30_interface_debug_print);
    
    /* set the interface */
    res = scd30_set_interface(&gs_handle, interface);
    if (res != 0)
    {
        scd30_interface_debug_print("scd30: set interface failed.\n");
    
        return 1;
    }
    
    /* init the chip */
    res = scd30_init(&gs_handle);
    if (res != 0)
    {
        scd30_interface_debug_print("scd30: init failed.\n");
    
        return 1;
    }
    
    /* get measurement interval */
    res = scd30_get_measurement_interval(&gs_handle, &second);
    if (res != 0)
    {
        scd30_interface_debug_print("scd30: get measurement interval failed.\n");
        (void)scd30_deinit(&gs_handle);
        
        return 1;
    }
    
    /* check config */
    if (second != SCD30_BASIC_DEFAULT_MEASUREMENT_INTERVAL)
    {
        /* set default measurement interval */
        res = scd30_set_measurement_interval(&gs_handle, SCD30_BASIC_DEFAULT_MEASUREMENT_INTERVAL);
        if (res != 0)
        {
            scd30_interface_debug_print("scd30: set measurement interval failed.\n");
            (void)scd30_deinit(&gs_handle);
            
            return 1;
        }
    }
    
    /* get automatic self calibration */
    res = scd30_get_automatic_self_calibration(&gs_handle, &enable);
    if (res != 0)
    {
        scd30_interface_debug_print("scd30: get automatic self calibration failed.\n");
        (void)scd30_deinit(&gs_handle);
        
        return 1;
    }
    
    /* check config */
    if (enable != SCD30_BASIC_DEFAULT_AUTO_SELF_CALIBRATION)
    {
        /* set default automatic self calibration */
        res = scd30_set_automatic_self_calibration(&gs_handle, SCD30_BASIC_DEFAULT_AUTO_SELF_CALIBRATION);
        if (res != 0)
        {
            scd30_interface_debug_print("scd30: set automatic self calibration failed.\n");
            (void)scd30_deinit(&gs_handle);
            
            return 1;
        }
    }
    
    /* check mbar */
    if (mbar != 0)
    {
        res = scd30_start_measurement_with_pressure_compensation(&gs_handle, mbar);
        if (res != 0)
        {
            scd30_interface_debug_print("scd30: start measurement with pressure compensation failed.\n");
            (void)scd30_deinit(&gs_handle);
            
            return 1;
        }
    }
    else
    {
        res = scd30_start_measurement(&gs_handle);
        if (res != 0)
        {
            scd30_interface_debug_print("scd30: start measurement failed.\n");
            (void)scd30_deinit(&gs_handle);
            
            return 1;
        }
    }
    
    return 0;
}

uint8_t scd30_basic_deinit(void)
{
    uint8_t res;
    
    /* stop measurement */
    res = scd30_stop_measurement(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    /* deinit */
    res = scd30_deinit(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t scd30_basic_read(scd30_data_t *data)
{
    uint8_t res;
    
    /* read data */
    res = scd30_read(&gs_handle, data);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t scd30_basic_reset(void)
{
    if (scd30_soft_reset(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t scd30_basic_get_version(uint8_t *major, uint8_t *minor)
{
    uint16_t version;
    
    if (scd30_get_firmware_version(&gs_handle, &version) != 0)
    {
        return 1;
    }
    *major = (version >> 8) & 0xFF;
    *minor = (version >> 0) & 0xFF;
    
    return 0;
}