driver_hdc2080_read_test.c

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#include "driver_hdc2080_read_test.h"
 
static hdc2080_handle_t gs_handle;        

uint8_t hdc2080_read_test(hdc2080_address_t addr_pin, uint32_t times)
{
    uint8_t res;
    uint8_t reg;
    uint8_t max;
    int8_t offset;
    uint32_t i;
    float percent;
    float deg;
    hdc2080_info_t info;
   
    /* link interface function */
    DRIVER_HDC2080_LINK_INIT(&gs_handle, hdc2080_handle_t); 
    DRIVER_HDC2080_LINK_IIC_INIT(&gs_handle, hdc2080_interface_iic_init);
    DRIVER_HDC2080_LINK_IIC_DEINIT(&gs_handle, hdc2080_interface_iic_deinit);
    DRIVER_HDC2080_LINK_IIC_READ(&gs_handle, hdc2080_interface_iic_read);
    DRIVER_HDC2080_LINK_IIC_WRITE(&gs_handle, hdc2080_interface_iic_write);
    DRIVER_HDC2080_LINK_DELAY_MS(&gs_handle, hdc2080_interface_delay_ms);
    DRIVER_HDC2080_LINK_DEBUG_PRINT(&gs_handle, hdc2080_interface_debug_print);
 
    /* get hdc2080 information */
    res = hdc2080_info(&info);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: get info failed.\n");
       
        return 1;
    }
    else
    {
        /* print hdc2080 information */
        hdc2080_interface_debug_print("hdc2080: chip is %s.\n", info.chip_name);
        hdc2080_interface_debug_print("hdc2080: manufacturer is %s.\n", info.manufacturer_name);
        hdc2080_interface_debug_print("hdc2080: interface is %s.\n", info.interface);
        hdc2080_interface_debug_print("hdc2080: driver version is %d.%d.\n", info.driver_version / 1000, (info.driver_version % 1000) / 100);
        hdc2080_interface_debug_print("hdc2080: min supply voltage is %0.1fV.\n", info.supply_voltage_min_v);
        hdc2080_interface_debug_print("hdc2080: max supply voltage is %0.1fV.\n", info.supply_voltage_max_v);
        hdc2080_interface_debug_print("hdc2080: max current is %0.2fmA.\n", info.max_current_ma);
        hdc2080_interface_debug_print("hdc2080: max temperature is %0.1fC.\n", info.temperature_max);
        hdc2080_interface_debug_print("hdc2080: min temperature is %0.1fC.\n", info.temperature_min);
    }
    
    /* start basic read test */
    hdc2080_interface_debug_print("hdc2080: start read test.\n");
    
    /* set addr pin */
    res = hdc2080_set_addr_pin(&gs_handle, addr_pin);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set addr pin failed.\n");
        
        return 1;
    }
    
    /* hdc2080 init */
    res = hdc2080_init(&gs_handle);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: init failed.\n");
       
        return 1;
    }
    
    /* set temperature resolution 14bits */
    res = hdc2080_set_temperature_resolution(&gs_handle, HDC2080_RESOLUTION_14_BIT);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity resolution 14bits */
    res = hdc2080_set_humidity_resolution(&gs_handle, HDC2080_RESOLUTION_14_BIT);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set humidity resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity and temperature */
    res = hdc2080_set_mode(&gs_handle, HDC2080_MODE_HUMIDITY_TEMPERATURE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable heater */
    res = hdc2080_set_heater(&gs_handle, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set heater failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable interrupt pin */
    res = hdc2080_set_interrupt_pin(&gs_handle, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt pin failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set interrupt polarity low */
    res = hdc2080_set_interrupt_polarity(&gs_handle, HDC2080_INTERRUPT_POLARITY_LOW);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt polarity failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set comparator mode */
    res = hdc2080_set_interrupt_mode(&gs_handle, HDC2080_INTERRUPT_MODE_COMPARATOR);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* 0.0% */
    res = hdc2080_humidity_convert_to_register(&gs_handle, 0.0f, &reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: humidity convert to register failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity high threshold */
    res = hdc2080_set_humidity_high_threshold(&gs_handle, reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set humidity high threshold failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity low threshold */
    res = hdc2080_set_humidity_low_threshold(&gs_handle, reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set humidity low threshold failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* 0.0 */
    res = hdc2080_temperature_convert_to_register(&gs_handle, 0.0f, &reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: temperature convert to register failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set temperature high threshold */
    res = hdc2080_set_temperature_high_threshold(&gs_handle, reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature high threshold failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set temperature low threshold */
    res = hdc2080_set_temperature_low_threshold(&gs_handle, reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature low threshold failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* 0.0 */
    res = hdc2080_humidity_offset_convert_to_register(&gs_handle, 0.0f, &offset);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: humidity offset convert to register failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity offset adjustment */
    res = hdc2080_set_humidity_offset_adjustment(&gs_handle, offset);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set humidity offset adjustment failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* 0.0 */
    res = hdc2080_temperature_offset_convert_to_register(&gs_handle, 0.0f, &offset);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: temperature offset convert to register failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set temperature offset adjustment */
    res = hdc2080_set_temperature_offset_adjustment(&gs_handle, offset);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature offset adjustment failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable data ready */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_DRDY, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable temperature high threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_TEMPERATURE_HIGH_THRESHOLD, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable temperature low threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_TEMPERATURE_LOW_THRESHOLD, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable humidity high threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_HUMIDITY_HIGH_THRESHOLD, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable humidity low threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_HUMIDITY_LOW_THRESHOLD, HDC2080_BOOL_FALSE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable auto measurement mode */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_DISABLED);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: shot read test.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read poll */
        res = hdc2080_read_poll(&gs_handle);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read poll failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* get humidity max */
    res = hdc2080_get_humidity_max(&gs_handle, &max);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: get humidity max failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* humidity convert to data */
    res = hdc2080_humidity_convert_to_data(&gs_handle, max, &percent);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: humidity convert to data failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    hdc2080_interface_debug_print("hdc2080: humidity max is %0.2f%%.\n", percent);
    
    /* get temperature max */
    res = hdc2080_get_temperature_max(&gs_handle, &max);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: get temperature max failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* temperature convert to data */
    res = hdc2080_temperature_convert_to_data(&gs_handle, max, &deg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: temperature convert to data failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    hdc2080_interface_debug_print("hdc2080: temperature max is %0.2fC.\n", deg);
    
    /* set auto measurement mode 5 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_5_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* enable measurement */
    res = hdc2080_set_measurement(&gs_handle, HDC2080_BOOL_TRUE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set measurement failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 5 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 2 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_2_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 2 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 1 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_1_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 1 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 1/5 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_1_DIV_5_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 1/5 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 1/10 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_1_DIV_10_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 1/10 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 1/60 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_1_DIV_60_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 1/60 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 1/120 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_1_DIV_120_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set auto measure 1/120 hz.\n");
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* set auto measurement mode 5 hz */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_AUTO_MEASUREMENT_MODE_5_HZ);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set auto measurement mode failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    hdc2080_interface_debug_print("hdc2080: set resolution 11bits.\n");
    
    /* set temperature resolution 11bits */
    res = hdc2080_set_temperature_resolution(&gs_handle, HDC2080_RESOLUTION_11_BIT);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity resolution 11bits */
    res = hdc2080_set_humidity_resolution(&gs_handle, HDC2080_RESOLUTION_11_BIT);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set humidity resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
 
    /* output */
    hdc2080_interface_debug_print("hdc2080: set resolution 9bits.\n");
    
    /* set temperature resolution 9bits */
    res = hdc2080_set_temperature_resolution(&gs_handle, HDC2080_RESOLUTION_9_BIT);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set humidity resolution 9bits */
    res = hdc2080_set_humidity_resolution(&gs_handle, HDC2080_RESOLUTION_9_BIT);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set humidity resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
        
        return 1;
    }
    
    /* loop */
    for (i = 0; i < times; i++)
    {
        uint16_t temperature_raw;
        float temperature_s;
        uint16_t humidity_raw;
        float humidity_s;
        
        /* read temperature humidity */
        res = hdc2080_read_temperature_humidity(&gs_handle, &temperature_raw, &temperature_s, &humidity_raw, &humidity_s);
        if (res != 0)
        {
            hdc2080_interface_debug_print("hdc2080: read temperature humidity failed.\n");
            (void)hdc2080_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        hdc2080_interface_debug_print("hdc2080: temperature[%d] is %0.2fC.\n", i, temperature_s);
        hdc2080_interface_debug_print("hdc2080: humidity[%d] is %0.2f%%.\n", i,  humidity_s);
        
        /* delay 1000ms */
        hdc2080_interface_delay_ms(1000);
    }
    
    /* finish read test and exit */
    hdc2080_interface_debug_print("hdc2080: finish read test.\n");
    (void)hdc2080_deinit(&gs_handle);
    
    return 0;
}