driver_stcc4_basic.c

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#include "driver_stcc4_basic.h"
 
static stcc4_handle_t gs_handle;        

uint8_t stcc4_basic_init(stcc4_address_t address)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_STCC4_LINK_INIT(&gs_handle, stcc4_handle_t);
    DRIVER_STCC4_LINK_IIC_INIT(&gs_handle, stcc4_interface_iic_init);
    DRIVER_STCC4_LINK_IIC_DEINIT(&gs_handle, stcc4_interface_iic_deinit);
    DRIVER_STCC4_LINK_IIC_WRITE_COMMAND(&gs_handle, stcc4_interface_iic_write_cmd);
    DRIVER_STCC4_LINK_IIC_READ_COMMAND(&gs_handle, stcc4_interface_iic_read_cmd);
    DRIVER_STCC4_LINK_DELAY_MS(&gs_handle, stcc4_interface_delay_ms);
    DRIVER_STCC4_LINK_DEBUG_PRINT(&gs_handle, stcc4_interface_debug_print);
 
    /* set address pin */
    res = stcc4_set_address_pin(&gs_handle, address);
    if (res != 0)
    {
        stcc4_interface_debug_print("stcc4: set address pin failed.\n");
        
        return 1;
    }
    
    /* stcc4 init */
    res = stcc4_init(&gs_handle);
    if (res != 0)
    {
        stcc4_interface_debug_print("stcc4: init failed.\n");
        
        return 1;
    }
    
    /* start continuous measurement */
    res = stcc4_start_continuous_measurement(&gs_handle);
    if (res != 0)
    {
        stcc4_interface_debug_print("stcc4: start continuous measurement failed.\n");
        (void)stcc4_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t stcc4_basic_read(int16_t *co2_ppm, float *temperature, float *humidity)
{
    uint8_t res;
    int16_t co2_raw;
    uint16_t temperature_raw;
    uint16_t humidity_raw;
    uint16_t sensor_status;
    
    /* read data */
    res = stcc4_read(&gs_handle, &co2_raw, co2_ppm,
                     &temperature_raw, temperature,
                     &humidity_raw, humidity, &sensor_status);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t stcc4_basic_deinit(void)
{
    /* stop */
    if (stcc4_stop_continuous_measurement(&gs_handle) != 0)
    {
        return 1;
    }
    
    /* close stcc4 */
    if (stcc4_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t stcc4_basic_get_product_id(uint32_t *product_id, uint8_t unique_serial_number[8])
{
    /* get product id */
    if (stcc4_get_product_id(&gs_handle, product_id, unique_serial_number) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t stcc4_basic_wake_up(void)
{
    /* wake up */
    if (stcc4_exit_sleep_mode(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t stcc4_basic_power_down(void)
{
    /* power down */
    if (stcc4_enter_sleep_mode(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}