driver_max30102_fifo.c

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#include "driver_max30102_fifo.h"
 
static max30102_handle_t gs_handle;        

uint8_t max30102_fifo_irq_handler(void)
{
    /* run irq handler */
    if (max30102_irq_handler(&gs_handle) != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

uint8_t max30102_fifo_init(void (*fifo_receive_callback)(uint8_t type))
{
    uint8_t res;
    max30102_bool_t enable;
    
    /* link interface function */
    DRIVER_MAX30102_LINK_INIT(&gs_handle, max30102_handle_t);
    DRIVER_MAX30102_LINK_IIC_INIT(&gs_handle, max30102_interface_iic_init);
    DRIVER_MAX30102_LINK_IIC_DEINIT(&gs_handle, max30102_interface_iic_deinit);
    DRIVER_MAX30102_LINK_IIC_READ(&gs_handle, max30102_interface_iic_read);
    DRIVER_MAX30102_LINK_IIC_WRITE(&gs_handle, max30102_interface_iic_write);
    DRIVER_MAX30102_LINK_DELAY_MS(&gs_handle, max30102_interface_delay_ms);
    DRIVER_MAX30102_LINK_DEBUG_PRINT(&gs_handle, max30102_interface_debug_print);
    DRIVER_MAX30102_LINK_RECEIVE_CALLBACK(&gs_handle, fifo_receive_callback);
    
    /* init the max30102 */
    res = max30102_init(&gs_handle);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: init failed.\n");
       
        return 1;
    }
    
    /* enable shutdown */
    res = max30102_set_shutdown(&gs_handle, MAX30102_BOOL_TRUE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set shutdown failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set fifo sample averaging */
    res = max30102_set_fifo_sample_averaging(&gs_handle, MAX30102_FIFO_DEFAULT_SAMPLE_AVERAGING);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set fifo sample averaging failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set fifo roll */
    res = max30102_set_fifo_roll(&gs_handle, MAX30102_FIFO_DEFAULT_FIFO_ROLL);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set fifo roll failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set fifo almost full */
    res = max30102_set_fifo_almost_full(&gs_handle, MAX30102_FIFO_DEFAULT_FIFO_ALMOST_FULL);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set fifo almost full failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set mode */
    res = max30102_set_mode(&gs_handle, MAX30102_FIFO_DEFAULT_MODE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set mode failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set spo2 adc range */
    res = max30102_set_spo2_adc_range(&gs_handle, MAX30102_FIFO_DEFAULT_SPO2_ADC_RANGE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set spo2 adc range failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set spo2 sample rate */
    res = max30102_set_spo2_sample_rate(&gs_handle, MAX30102_FIFO_DEFAULT_SPO2_SAMPLE_RATE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set spo2 sample rate failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set adc resolution */
    res = max30102_set_adc_resolution(&gs_handle, MAX30102_FIFO_DEFAULT_ADC_RESOLUTION);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set adc resolution failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set led red pulse amplitude */
    res = max30102_set_led_red_pulse_amplitude(&gs_handle, MAX30102_FIFO_DEFAULT_LED_RED_PULSE_AMPLITUDE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set led red pulse amplitude failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set led ir pulse amplitude */
    res = max30102_set_led_ir_pulse_amplitude(&gs_handle, MAX30102_FIFO_DEFAULT_LED_IR_PULSE_AMPLITUDE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set led ir pulse amplitude failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set slot */
    res = max30102_set_slot(&gs_handle, MAX30102_SLOT_1, MAX30102_FIFO_DEFAULT_SLOT1);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set slot failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set slot */
    res = max30102_set_slot(&gs_handle, MAX30102_SLOT_2, MAX30102_FIFO_DEFAULT_SLOT2);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set slot failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set slot */
    res = max30102_set_slot(&gs_handle, MAX30102_SLOT_3, MAX30102_FIFO_DEFAULT_SLOT3);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set slot failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set slot */
    res = max30102_set_slot(&gs_handle, MAX30102_SLOT_4, MAX30102_FIFO_DEFAULT_SLOT4);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set slot failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set die temperature */
    res = max30102_set_die_temperature(&gs_handle, MAX30102_FIFO_DEFAULT_DIE_TEMPERATURE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set die temperature failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set interrupt */
    res = max30102_set_interrupt(&gs_handle, MAX30102_INTERRUPT_FIFO_FULL_EN, MAX30102_BOOL_TRUE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set interrupt failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set interrupt */
    res = max30102_set_interrupt(&gs_handle, MAX30102_INTERRUPT_PPG_RDY_EN, MAX30102_FIFO_DEFAULT_INTERRUPT_PPG_RDY_EN);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set interrupt failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set interrupt */
    res = max30102_set_interrupt(&gs_handle, MAX30102_INTERRUPT_ALC_OVF_EN, MAX30102_FIFO_DEFAULT_INTERRUPT_ALC_OVF_EN);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set interrupt failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set interrupt */
    res = max30102_set_interrupt(&gs_handle, MAX30102_INTERRUPT_DIE_TEMP_RDY_EN, MAX30102_FIFO_DEFAULT_INTERRUPT_DIE_TEMP_RDY_EN);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set interrupt failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable shutdown */
    res = max30102_set_shutdown(&gs_handle, MAX30102_BOOL_FALSE);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: set shutdown failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    /* get status */
    res = max30102_get_interrupt_status(&gs_handle, MAX30102_INTERRUPT_STATUS_FIFO_FULL, &enable);
    if (res != 0)
    {
        max30102_interface_debug_print("max30102: get interrupt status failed.\n");
        (void)max30102_deinit(&gs_handle);
       
        return 1;
    }
    
    return 0;
}

uint8_t max30102_fifo_deinit(void)
{
    uint8_t res;
    
    res = max30102_deinit(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

uint8_t max30102_fifo_read(uint32_t *raw_red, uint32_t *raw_ir, uint8_t *len)
{
    uint8_t res;
    
    res = max30102_read(&gs_handle, raw_red, raw_ir, len);
    if (res != 0)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}