driver_veml7700_interrupt_test.c

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#include "driver_veml7700_interrupt_test.h"
 
static veml7700_handle_t gs_handle;        

uint8_t veml7700_interrupt_test(uint16_t low_threshold, uint16_t high_threshold, uint32_t times)
{
    uint8_t res;
    uint16_t raw;
    uint16_t raw2;
    uint32_t i;
    double lux;
    veml7700_info_t info;
    
    /* 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);
    
    /* get information */
    res = veml7700_info(&info);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: get info failed.\n");
       
        return 1;
    }
    else
    {
        /* print chip info */
        veml7700_interface_debug_print("veml7700: chip is %s.\n", info.chip_name);
        veml7700_interface_debug_print("veml7700: manufacturer is %s.\n", info.manufacturer_name);
        veml7700_interface_debug_print("veml7700: interface is %s.\n", info.interface);
        veml7700_interface_debug_print("veml7700: driver version is %d.%d.\n", info.driver_version / 1000, (info.driver_version % 1000) / 100);
        veml7700_interface_debug_print("veml7700: min supply voltage is %0.1fV.\n", info.supply_voltage_min_v);
        veml7700_interface_debug_print("veml7700: max supply voltage is %0.1fV.\n", info.supply_voltage_max_v);
        veml7700_interface_debug_print("veml7700: max current is %0.2fmA.\n", info.max_current_ma);
        veml7700_interface_debug_print("veml7700: max temperature is %0.1fC.\n", info.temperature_max);
        veml7700_interface_debug_print("veml7700: min temperature is %0.1fC.\n", info.temperature_min);
    }
    
    /* start interrupt test */
    veml7700_interface_debug_print("veml7700: start interrupt test.\n");
    
    /* init */
    res = veml7700_init(&gs_handle);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: init failed.\n");
       
        return 1;
    }
    
    /* set als gain1 */
    res = veml7700_set_als_gain(&gs_handle, VEML7700_ALS_GAIN_1);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als gain failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set als integration time 400ms */
    res = veml7700_set_als_integration_time(&gs_handle, VEML7700_ALS_INTEGRATION_TIME_400MS);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als integration time failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set als persistence 1 */
    res = veml7700_set_als_persistence(&gs_handle, VEML7700_ALS_PERSISTENCE_1);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set als persistence failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set power saving mode1 */
    res = veml7700_set_power_saving_mode(&gs_handle, VEML7700_POWER_SAVING_MODE1);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set power saving mode failed.\n");
        (void)veml7700_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable power saving */
    res = veml7700_set_power_saving(&gs_handle, VEML7700_BOOL_DISABLE);
    if (res != 0)
    {
        veml7700_interface_debug_print("veml7700: set power saving 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;
    }
    
    /* 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;
    }
    
    /* 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;
    }
    
    /* 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;
    }
    
    /* 1000ms */
    veml7700_interface_delay_ms(1000);
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        veml7700_bool_t low_bool;
        veml7700_bool_t high_bool;
        
        /* get interrupt status */
        res = veml7700_get_interrupt_status(&gs_handle, &low_bool, &high_bool);
        if (res != 0)
        {
            veml7700_interface_debug_print("veml7700: get interrupt status failed.\n");
            (void)veml7700_deinit(&gs_handle);
            
            return 1;
        }
        if (low_bool == VEML7700_BOOL_ENABLE)
        {
            veml7700_interface_debug_print("veml7700: find low threshold interrupt.\n");
        }
        if (high_bool == VEML7700_BOOL_ENABLE)
        {
            veml7700_interface_debug_print("veml7700: find high threshold interrupt.\n");
        }
        
        /* read als */
        res = veml7700_read_als(&gs_handle, &raw, &lux);
        if (res != 0)
        {
            veml7700_interface_debug_print("veml7700: read als failed.\n");
            (void)veml7700_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        veml7700_interface_debug_print("veml7700: als is %0.2flux.\n", lux);
        
        /* read white */
        res = veml7700_read_white(&gs_handle, &raw2);
        if (res != 0)
        {
            veml7700_interface_debug_print("veml7700: read white failed.\n");
            (void)veml7700_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        veml7700_interface_debug_print("veml7700: white is %d.\n", raw2);
        
        /* 1000ms */
        veml7700_interface_delay_ms(1000);
    }
    
    /* finish interrupt test */
    veml7700_interface_debug_print("veml7700: finish interrupt test.\n");
    (void)veml7700_deinit(&gs_handle);
    
    return 0;
}