driver_ads1118_basic.c

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#include "driver_ads1118_basic.h"
 
static ads1118_handle_t gs_handle;        

uint8_t ads1118_basic_init(ads1118_mode_t mode, ads1118_channel_t channel)
{
    uint8_t res;
    
    /* link interface function */
    DRIVER_ADS1118_LINK_INIT(&gs_handle, ads1118_handle_t); 
    DRIVER_ADS1118_LINK_SPI_INIT(&gs_handle, ads1118_interface_spi_init);
    DRIVER_ADS1118_LINK_SPI_DEINIT(&gs_handle, ads1118_interface_spi_deinit);
    DRIVER_ADS1118_LINK_SPI_TRANSMIT(&gs_handle, ads1118_interface_spi_transmit);
    DRIVER_ADS1118_LINK_DELAY_MS(&gs_handle, ads1118_interface_delay_ms);
    DRIVER_ADS1118_LINK_DEBUG_PRINT(&gs_handle, ads1118_interface_debug_print);
    
    /* ads1118 init */
    res = ads1118_init(&gs_handle);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: init failed.\n");
        
        return 1;
    }
    
    /* set channel */
    res = ads1118_set_channel(&gs_handle, channel);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: set channel failed.\n");
        (void)ads1118_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default range */
    res = ads1118_set_range(&gs_handle, ADS1118_BASIC_DEFAULT_RANGE);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: set range failed.\n");
        (void)ads1118_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default rate */
    res = ads1118_set_rate(&gs_handle, ADS1118_BASIC_DEFAULT_RATE);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: set rate failed.\n");
        (void)ads1118_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set adc mode */
    res = ads1118_set_mode(&gs_handle, mode);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: set mode failed.\n");
        (void)ads1118_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default dout pull up */
    res = ads1118_set_dout_pull_up(&gs_handle, ADS1118_BASIC_DEFAULT_DOUT_PULL_UP);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: set dout pull up failed.\n");
        (void)ads1118_deinit(&gs_handle);
        
        return 1;
    }
    
    /* start continuous read */
    res = ads1118_start_continuous_read(&gs_handle);
    if (res != 0)
    {
        ads1118_interface_debug_print("ads1118: start continues read mode failed.\n");
        (void)ads1118_deinit(&gs_handle);
        
        return 1;
    }
 
    return 0;
}

uint8_t ads1118_basic_read(float *s)
{
    int16_t raw;
  
    /* read data */
    if (ads1118_continuous_read(&gs_handle, (int16_t *)&raw, s) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t ads1118_basic_read_temperature(float *deg)
{
    int16_t raw;
  
    /* read data */
    if (ads1118_continuous_read(&gs_handle, (int16_t *)&raw, deg) != 0)
    {
        return 1;
    }
    
    /* temperature convert */
    if (ads1118_temperature_convert(&gs_handle, raw, deg) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t ads1118_basic_deinit(void)
{
    uint8_t res;
    
    /* stop continuous read */
    res = ads1118_stop_continuous_read(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    /* deinit ads1118 */
    res = ads1118_deinit(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}