driver_bmp384_basic.c

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#include "driver_bmp384_basic.h"
 
static bmp384_handle_t gs_handle;        

uint8_t bmp384_basic_init(bmp384_interface_t interface, bmp384_address_t addr_pin)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_BMP384_LINK_INIT(&gs_handle, bmp384_handle_t);
    DRIVER_BMP384_LINK_IIC_INIT(&gs_handle, bmp384_interface_iic_init);
    DRIVER_BMP384_LINK_IIC_DEINIT(&gs_handle, bmp384_interface_iic_deinit);
    DRIVER_BMP384_LINK_IIC_READ(&gs_handle, bmp384_interface_iic_read);
    DRIVER_BMP384_LINK_IIC_WRITE(&gs_handle, bmp384_interface_iic_write);
    DRIVER_BMP384_LINK_SPI_INIT(&gs_handle, bmp384_interface_spi_init);
    DRIVER_BMP384_LINK_SPI_DEINIT(&gs_handle, bmp384_interface_spi_deinit);
    DRIVER_BMP384_LINK_SPI_READ(&gs_handle, bmp384_interface_spi_read);
    DRIVER_BMP384_LINK_SPI_WRITE(&gs_handle, bmp384_interface_spi_write);
    DRIVER_BMP384_LINK_DELAY_MS(&gs_handle, bmp384_interface_delay_ms);
    DRIVER_BMP384_LINK_DEBUG_PRINT(&gs_handle, bmp384_interface_debug_print);
    DRIVER_BMP384_LINK_RECEIVE_CALLBACK(&gs_handle, bmp384_interface_receive_callback);
    
    /* set interface */
    res = bmp384_set_interface(&gs_handle, interface);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set interface failed.\n");
       
        return 1;
    }
    
    /* set addr pin */
    res = bmp384_set_addr_pin(&gs_handle, addr_pin);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set addr pin failed.\n");
       
        return 1;
    }
    
    /* bmp384 init */
    res = bmp384_init(&gs_handle);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: init failed.\n");
       
        return 1;
    }
    
    /* set default spi wire */
    res = bmp384_set_spi_wire(&gs_handle, BMP384_BASIC_DEFAULT_SPI_WIRE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set spi wire failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default iic watchdog timer */
    res = bmp384_set_iic_watchdog_timer(&gs_handle, BMP384_BASIC_DEFAULT_IIC_WATCHDOG_TIMER);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set iic watchdog timer failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default iic watchdog period */
    res = bmp384_set_iic_watchdog_period(&gs_handle, BMP384_BASIC_DEFAULT_IIC_WATCHDOG_PERIOD);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set iic watchdog period failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable fifo */
    res = bmp384_set_fifo(&gs_handle, BMP384_BOOL_FALSE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set fifo failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable interrupt fifo watermark */
    res = bmp384_set_interrupt_fifo_watermark(&gs_handle, BMP384_BOOL_FALSE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set interrupt fifo watermark failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable interrupt fifo full */
    res = bmp384_set_interrupt_fifo_full(&gs_handle, BMP384_BOOL_FALSE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set interrupt fifo full failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable interrupt data ready */
    res = bmp384_set_interrupt_data_ready(&gs_handle,BMP384_BOOL_FALSE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set interrupt data ready failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default pressure */
    res = bmp384_set_pressure(&gs_handle, BMP384_BASIC_DEFAULT_PRESSURE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set pressure failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default temperature */
    res = bmp384_set_temperature(&gs_handle, BMP384_BASIC_DEFAULT_TEMPERATURE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set temperature failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default pressure oversampling */
    res = bmp384_set_pressure_oversampling(&gs_handle, BMP384_BASIC_DEFAULT_PRESSURE_OVERSAMPLING);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set pressure oversampling failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default temperature oversampling */
    res = bmp384_set_temperature_oversampling(&gs_handle, BMP384_BASIC_DEFAULT_TEMPERATURE_OVERSAMPLING);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set temperature oversampling failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default odr */
    res = bmp384_set_odr(&gs_handle, BMP384_BASIC_DEFAULT_ODR);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set odr failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default filter coefficient */
    res = bmp384_set_filter_coefficient(&gs_handle, BMP384_BASIC_DEFAULT_FILTER_COEFFICIENT);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set filter coefficient failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default mode */
    res = bmp384_set_mode(&gs_handle, BMP384_MODE_NORMAL_MODE);
    if (res != 0)
    {
        bmp384_interface_debug_print("bmp384: set mode failed.\n");
        (void)bmp384_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t bmp384_basic_read(float *temperature_c, float *pressure_pa)
{
    uint32_t temperature_raw;
    uint32_t pressure_raw;
    
    /* read temperature and pressure */
    if (bmp384_read_temperature_pressure(&gs_handle, (uint32_t *)&temperature_raw, temperature_c,
                                        (uint32_t *)&pressure_raw, pressure_pa) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t bmp384_basic_deinit(void)
{
    /* close bmp384 */
    if (bmp384_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}