driver_aht40_basic.c

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#include "driver_aht40_basic.h"
 
static aht40_handle_t gs_handle;        

uint8_t aht40_basic_init(void)
{
    uint8_t res;
    
    /* link interface function */
    DRIVER_AHT40_LINK_INIT(&gs_handle, aht40_handle_t);
    DRIVER_AHT40_LINK_IIC_INIT(&gs_handle, aht40_interface_iic_init);
    DRIVER_AHT40_LINK_IIC_DEINIT(&gs_handle, aht40_interface_iic_deinit);
    DRIVER_AHT40_LINK_IIC_READ_CMD(&gs_handle, aht40_interface_iic_read_cmd);
    DRIVER_AHT40_LINK_IIC_WRITE_CMD(&gs_handle, aht40_interface_iic_write_cmd);
    DRIVER_AHT40_LINK_DELAY_MS(&gs_handle, aht40_interface_delay_ms);
    DRIVER_AHT40_LINK_DEBUG_PRINT(&gs_handle, aht40_interface_debug_print);
    
    /* aht40 init */
    res = aht40_init(&gs_handle);
    if (res != 0)
    {
        aht40_interface_debug_print("aht40: init failed.\n");
        
        return 1;
    }
    
    return 0;
}

uint8_t aht40_basic_read(float *temperature, float *humidity)
{
    uint16_t temperature_raw;
    uint16_t humidity_raw;
    
    /* read temperature and humidity */
    if (aht40_read_temperature_humidity(&gs_handle, (uint16_t *)&temperature_raw, temperature, 
                                       (uint16_t *)&humidity_raw, humidity) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t aht40_basic_deinit(void)
{
    /* deinit aht40 and close bus */
    if (aht40_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}