driver_veml7700_interrupt.c

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#include "driver_veml7700_interrupt.h"
 
static veml7700_handle_t gs_handle;        

uint8_t veml7700_interrupt_init(uint16_t low_threshold, uint16_t high_threshold)
{
    uint8_t res;
    
    /* link interface function */
    DRIVER_VEML7700_LINK_INIT(&gs_handle, veml7700_handle_t);
    DRIVER_VEML7700_LINK_IIC_INIT(&gs_handle, veml7700_interface_iic_init);
    DRIVER_VEML7700_LINK_IIC_DEINIT(&gs_handle, veml7700_interface_iic_deinit);
    DRIVER_VEML7700_LINK_IIC_READ(&gs_handle, veml7700_interface_iic_read);
    DRIVER_VEML7700_LINK_IIC_WRITE(&gs_handle, veml7700_interface_iic_write);
    DRIVER_VEML7700_LINK_DELAY_MS(&gs_handle, veml7700_interface_delay_ms);
    DRIVER_VEML7700_LINK_DEBUG_PRINT(&gs_handle, veml7700_interface_debug_print);
    
    /* init */
    res = veml7700_init(&gs_handle);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: init failed.\n");
       
        return 1;
    }
    
    /* disable auto range */
    res = veml7700_set_auto_range(&gs_handle, VEML7700_BOOL_DISABLE);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set auto range failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default als gain */
    res = veml7700_set_als_gain(&gs_handle, VEML7700_INTERRUPT_DEFAULT_ALS_GAIN);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als gain failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default als integration time */
    res = veml7700_set_als_integration_time(&gs_handle, VEML7700_INTERRUPT_DEFAULT_ALS_INTEGRATION_TIME);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als integration time failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default als persistence */
    res = veml7700_set_als_persistence(&gs_handle, VEML7700_INTERRUPT_DEFAULT_ALS_PERSISTENCE);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als persistence failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default power saving mode */
    res = veml7700_set_power_saving_mode(&gs_handle, VEML7700_INTERRUPT_DEFAULT_POWER_SAVING_MODE);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set power saving mode failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default power saving */
    res = veml7700_set_power_saving(&gs_handle, VEML7700_INTERRUPT_DEFAULT_POWER_SAVING);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set power saving failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* enable als interrupt */
    res = veml7700_set_als_interrupt(&gs_handle, VEML7700_BOOL_ENABLE);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als interrupt failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set als low threshold */
    res = veml7700_set_als_low_threshold(&gs_handle, low_threshold);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als low threshold failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set als high threshold */
    res = veml7700_set_als_high_threshold(&gs_handle, high_threshold);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als high threshold failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* power on */
    res = veml7700_set_als_mode(&gs_handle, VEML7700_ALS_MODE_POWER_ON);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als mode failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t veml7700_interrupt_read(double *lux)
{
    uint8_t res;
    uint16_t raw;
    
    /* read als */
    res = veml7700_read_als(&gs_handle, &raw, lux);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t veml7700_interrupt_read_white(uint16_t *raw)
{
    uint8_t res;
    
    /* read white */
    res = veml7700_read_white(&gs_handle, raw);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t veml7700_interrupt_get_interrupt_status(veml7700_bool_t *low_threshold, veml7700_bool_t *high_threshold)
{
    uint8_t res;
    
    /* get interrupt status */
    res = veml7700_get_interrupt_status(&gs_handle, low_threshold, high_threshold);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t veml7700_interrupt_deinit(void)
{
    uint8_t res;
    
    /* deinit veml7700 */
    res = veml7700_deinit(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}