driver_ad7705_basic.c

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#include "driver_ad7705_basic.h"
 
static ad7705_handle_t gs_handle;        

uint8_t ad7705_basic_init(ad7705_channel_t channel)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_AD7705_LINK_INIT(&gs_handle, ad7705_handle_t);
    DRIVER_AD7705_LINK_GPIO_RESET_INIT(&gs_handle, ad7705_interface_gpio_reset_init);
    DRIVER_AD7705_LINK_GPIO_RESET_DEINIT(&gs_handle, ad7705_interface_gpio_reset_deinit);
    DRIVER_AD7705_LINK_GPIO_RESET_WRITE(&gs_handle, ad7705_interface_gpio_reset_write);
    DRIVER_AD7705_LINK_SPI_INIT(&gs_handle, ad7705_interface_spi_init);
    DRIVER_AD7705_LINK_SPI_DEINIT(&gs_handle, ad7705_interface_spi_deinit);
    DRIVER_AD7705_LINK_SPI_READ(&gs_handle, ad7705_interface_spi_read);
    DRIVER_AD7705_LINK_SPI_WRITE(&gs_handle, ad7705_interface_spi_write);
    DRIVER_AD7705_LINK_DELAY_MS(&gs_handle, ad7705_interface_delay_ms);
    DRIVER_AD7705_LINK_DEBUG_PRINT(&gs_handle, ad7705_interface_debug_print);
    
    /* ad7705 init */
    res = ad7705_init(&gs_handle);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: init failed.\n");
       
        return 1;
    }
    
    /* power on */
    res = ad7705_power_on(&gs_handle);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: power on failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default reference voltage */
    res = ad7705_set_reference_voltage(&gs_handle, AD7705_BASIC_DEFAULT_REFERENCE_VOLTAGE);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: reference voltage failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set channel */
    res = ad7705_set_channel(&gs_handle, channel);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set channel failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default adc gain */
    res = ad7705_set_adc_gain(&gs_handle, AD7705_BASIC_DEFAULT_GAIN);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set adc gain failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default adc buffer */
    res = ad7705_set_adc_buffer(&gs_handle, AD7705_BASIC_DEFAULT_ADC_BUFFER);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set adc buffer failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default filter synchronize */
    res = ad7705_set_filter_synchronize(&gs_handle, AD7705_BASIC_DEFAULT_FILTER_SYNCHRONIZE);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set filter synchronize failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default master clock output disable */
    res = ad7705_set_master_clock_output_disable(&gs_handle, AD7705_BASIC_DEFAULT_MASTER_CLOCK_OUTPUT_DISABLE);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set master clock output disable failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default clock div2 */
    res = ad7705_set_clock_div2(&gs_handle, AD7705_BASIC_DEFAULT_CLOCK_DIV2);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set clock div2 failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default rate */
    res = ad7705_set_rate(&gs_handle, AD7705_BASIC_DEFAULT_RATE);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set rate failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default adc polar */
    res = ad7705_set_adc_polar(&gs_handle, AD7705_BASIC_DEFAULT_ADC_POLAR);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set adc polar failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* run self calibration */
    res = ad7705_set_adc_mode(&gs_handle, AD7705_ADC_MODE_SELF_CALIBRATION);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: set adc mode failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    /* wait for finishing */
    res = ad7705_operate_sync(&gs_handle);
    if (res != 0)
    {
        ad7705_interface_debug_print("ad7705: operate sync failed.\n");
        (void)ad7705_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t ad7705_basic_set_channel(ad7705_channel_t channel)
{
    uint8_t res;
    
    /* set channel */
    res = ad7705_set_channel(&gs_handle, channel);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t ad7705_basic_deinit(void)
{
    /* close ad7705 */
    if (ad7705_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t ad7705_basic_read(uint16_t *raw, float *volt)
{
    /* read data */
    if (ad7705_read(&gs_handle, raw, volt) != 0)
    {
        return 1;
    }
    
    return 0;
}