driver_hdc2080_interrupt.c

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#include "driver_hdc2080_interrupt.h"
 
static hdc2080_handle_t gs_handle;        

uint8_t hdc2080_interrupt_init(hdc2080_address_t addr_pin,
                               float high_deg, float low_deg,
                               float high_percent, float low_percent)
{
    uint8_t res;
    uint8_t reg;
    int8_t offset;
 
    /* 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);
    
    /* 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 default temperature resolution */
    res = hdc2080_set_temperature_resolution(&gs_handle, HDC2080_INTERRUPT_DEFAULT_TEMPERATURE_RESOLUTION);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set temperature resolution failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* set default humidity resolution */
    res = hdc2080_set_humidity_resolution(&gs_handle, HDC2080_INTERRUPT_DEFAULT_HUMIDITY_RESOLUTION);
    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;
    }
 
    /* set default heater */
    res = hdc2080_set_heater(&gs_handle, HDC2080_INTERRUPT_DEFAULT_HEATER);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set heater failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* enable interrupt pin */
    res = hdc2080_set_interrupt_pin(&gs_handle, HDC2080_BOOL_TRUE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt pin failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* set default interrupt polarity */
    res = hdc2080_set_interrupt_polarity(&gs_handle, HDC2080_INTERRUPT_DEFAULT_INTERRUPT_POLARITY);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt polarity failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* set high threshold */
    res = hdc2080_humidity_convert_to_register(&gs_handle, high_percent, &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 low threshold */
    res = hdc2080_humidity_convert_to_register(&gs_handle, low_percent, &reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: humidity convert to register 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;
    }
 
    /* set high threshold */
    res = hdc2080_temperature_convert_to_register(&gs_handle, high_deg, &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 low threshold */
    res = hdc2080_temperature_convert_to_register(&gs_handle, low_deg, &reg);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: temperature convert to register 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;
    }
 
    /* set default offset */
    res = hdc2080_humidity_offset_convert_to_register(&gs_handle, HDC2080_INTERRUPT_DEFAULT_TEMPERATURE_OFFSET, &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;
    }
 
    /* set default offset */
    res = hdc2080_temperature_offset_convert_to_register(&gs_handle, HDC2080_INTERRUPT_DEFAULT_HUMIDITY_OFFSET, &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;
    }
 
    /* enable temperature high threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_TEMPERATURE_HIGH_THRESHOLD, HDC2080_BOOL_TRUE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* enable temperature low threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_TEMPERATURE_LOW_THRESHOLD, HDC2080_BOOL_TRUE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* enable humidity high threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_HUMIDITY_HIGH_THRESHOLD, HDC2080_BOOL_TRUE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* enable humidity low threshold */
    res = hdc2080_set_interrupt(&gs_handle, HDC2080_INTERRUPT_HUMIDITY_LOW_THRESHOLD, HDC2080_BOOL_TRUE);
    if (res != 0)
    {
        hdc2080_interface_debug_print("hdc2080: set interrupt failed.\n");
        (void)hdc2080_deinit(&gs_handle);
 
        return 1;
    }
 
    /* set default auto measurement mode */
    res = hdc2080_set_auto_measurement_mode(&gs_handle, HDC2080_INTERRUPT_DEFAULT_AUTO_MEASUREMENT_MODE);
    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;
    }
 
    return 0;
}

uint8_t hdc2080_interrupt_read(float *temperature, float *humidity)
{
    uint16_t temperature_raw;
    uint16_t humidity_raw;
 
    /* read temperature and humidity */
    if (hdc2080_read_temperature_humidity(&gs_handle, (uint16_t *)&temperature_raw, temperature,
                                         (uint16_t *)&humidity_raw, humidity) != 0)
    {
        return 1;
    }
 
    return 0;
}

uint8_t hdc2080_interrupt_deinit(void)
{
    /* deinit hdc2080 and close bus */
    if (hdc2080_deinit(&gs_handle) != 0)
    {
        return 1;
    }
 
    return 0;
}