driver_mpu6500_basic.c

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#include "driver_mpu6500_basic.h"
 
static mpu6500_handle_t gs_handle;        

uint8_t mpu6500_basic_init(mpu6500_interface_t interface, mpu6500_address_t addr_pin)
{
    uint8_t res;
    
    /* link interface function */
    DRIVER_MPU6500_LINK_INIT(&gs_handle, mpu6500_handle_t);
    DRIVER_MPU6500_LINK_IIC_INIT(&gs_handle, mpu6500_interface_iic_init);
    DRIVER_MPU6500_LINK_IIC_DEINIT(&gs_handle, mpu6500_interface_iic_deinit);
    DRIVER_MPU6500_LINK_IIC_READ(&gs_handle, mpu6500_interface_iic_read);
    DRIVER_MPU6500_LINK_IIC_WRITE(&gs_handle, mpu6500_interface_iic_write);
    DRIVER_MPU6500_LINK_SPI_INIT(&gs_handle, mpu6500_interface_spi_init);
    DRIVER_MPU6500_LINK_SPI_DEINIT(&gs_handle, mpu6500_interface_spi_deinit);
    DRIVER_MPU6500_LINK_SPI_READ(&gs_handle, mpu6500_interface_spi_read);
    DRIVER_MPU6500_LINK_SPI_WRITE(&gs_handle, mpu6500_interface_spi_write);
    DRIVER_MPU6500_LINK_DELAY_MS(&gs_handle, mpu6500_interface_delay_ms);
    DRIVER_MPU6500_LINK_DEBUG_PRINT(&gs_handle, mpu6500_interface_debug_print);
    DRIVER_MPU6500_LINK_RECEIVE_CALLBACK(&gs_handle, mpu6500_interface_receive_callback);
    
    /* set the interface */
    res = mpu6500_set_interface(&gs_handle, interface);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interface failed.\n");
       
        return 1;
    }
    
    /* set the addr pin */
    res = mpu6500_set_addr_pin(&gs_handle, addr_pin);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set addr pin failed.\n");
       
        return 1;
    }
    
    /* init */
    res = mpu6500_init(&gs_handle);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: init failed.\n");
       
        return 1;
    }
    
    /* delay 100 ms */
    mpu6500_interface_delay_ms(100);
    
    /* disable sleep */
    res = mpu6500_set_sleep(&gs_handle, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set sleep failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* if spi interface, disable iic interface */
    if (interface == MPU6500_INTERFACE_SPI)
    {
        /* disable iic */
        res = mpu6500_set_disable_iic_slave(&gs_handle, MPU6500_BOOL_TRUE);
        if (res != 0)
        {
            mpu6500_interface_debug_print("mpu6500: set disable iic slave failed.\n");
            (void)mpu6500_deinit(&gs_handle);
           
            return 1;
        }
    }
    
    /* set fifo 1024kb */
    res = mpu6500_set_fifo_1024kb(&gs_handle);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo 1024kb failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default clock source */
    res = mpu6500_set_clock_source(&gs_handle, MPU6500_BASIC_DEFAULT_CLOCK_SOURCE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set clock source failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default rate */
    res = mpu6500_set_sample_rate_divider(&gs_handle, (1000 / MPU6500_BASIC_DEFAULT_RATE) - 1);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set sample rate divider failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable temperature sensor */
    res = mpu6500_set_ptat(&gs_handle, MPU6500_BOOL_TRUE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set ptat failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default cycle wake up */
    res = mpu6500_set_cycle_wake_up(&gs_handle, MPU6500_BASIC_DEFAULT_CYCLE_WAKE_UP);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set cycle wake up failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable acc x */
    res = mpu6500_set_standby_mode(&gs_handle, MPU6500_SOURCE_ACC_X, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set standby mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable acc y */
    res = mpu6500_set_standby_mode(&gs_handle, MPU6500_SOURCE_ACC_Y, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set standby mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable acc z */
    res = mpu6500_set_standby_mode(&gs_handle, MPU6500_SOURCE_ACC_Z, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set standby mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable gyro x */
    res = mpu6500_set_standby_mode(&gs_handle, MPU6500_SOURCE_GYRO_X, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set standby mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable gyro y */
    res = mpu6500_set_standby_mode(&gs_handle, MPU6500_SOURCE_GYRO_Y, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set standby mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* enable gyro z */
    res = mpu6500_set_standby_mode(&gs_handle, MPU6500_SOURCE_GYRO_Z, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set standby mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable gyroscope x test */
    res = mpu6500_set_gyroscope_test(&gs_handle, MPU6500_AXIS_X, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set gyroscope test failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable gyroscope y test */
    res = mpu6500_set_gyroscope_test(&gs_handle, MPU6500_AXIS_Y, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set gyroscope test failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable gyroscope z test */
    res = mpu6500_set_gyroscope_test(&gs_handle, MPU6500_AXIS_Z, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set gyroscope test failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable accelerometer x test */
    res = mpu6500_set_accelerometer_test(&gs_handle, MPU6500_AXIS_X, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accelerometer test failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable accelerometer y test */
    res = mpu6500_set_accelerometer_test(&gs_handle, MPU6500_AXIS_Y, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accelerometer test failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable accelerometer z test */
    res = mpu6500_set_accelerometer_test(&gs_handle, MPU6500_AXIS_Z, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accelerometer test failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable fifo */
    res = mpu6500_set_fifo(&gs_handle, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable temp fifo */
    res = mpu6500_set_fifo_enable(&gs_handle, MPU6500_FIFO_TEMP, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo enable failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable xg fifo */
    res = mpu6500_set_fifo_enable(&gs_handle, MPU6500_FIFO_XG, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo enable failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable yg fifo */
    res = mpu6500_set_fifo_enable(&gs_handle, MPU6500_FIFO_YG, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo enable failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable zg fifo */
    res = mpu6500_set_fifo_enable(&gs_handle, MPU6500_FIFO_ZG, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo enable failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* disable accel fifo */
    res = mpu6500_set_fifo_enable(&gs_handle, MPU6500_FIFO_ACCEL, MPU6500_BOOL_FALSE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo enable failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default interrupt level */
    res = mpu6500_set_interrupt_level(&gs_handle, MPU6500_BASIC_DEFAULT_INTERRUPT_PIN_LEVEL);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt level failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default pin type */
    res = mpu6500_set_interrupt_pin_type(&gs_handle, MPU6500_BASIC_DEFAULT_INTERRUPT_PIN_TYPE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt pin type failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default motion interrupt */
    res = mpu6500_set_interrupt(&gs_handle, MPU6500_INTERRUPT_MOTION, MPU6500_BASIC_DEFAULT_INTERRUPT_MOTION);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default fifo overflow interrupt */
    res = mpu6500_set_interrupt(&gs_handle, MPU6500_INTERRUPT_FIFO_OVERFLOW, MPU6500_BASIC_DEFAULT_INTERRUPT_FIFO_OVERFLOW);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default dmp interrupt */
    res = mpu6500_set_interrupt(&gs_handle, MPU6500_INTERRUPT_DMP, MPU6500_BASIC_DEFAULT_INTERRUPT_DMP);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default fsync int interrupt */
    res = mpu6500_set_interrupt(&gs_handle, MPU6500_INTERRUPT_FSYNC_INT, MPU6500_BASIC_DEFAULT_INTERRUPT_FSYNC_INT);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default data ready interrupt */
    res = mpu6500_set_interrupt(&gs_handle, MPU6500_INTERRUPT_DATA_READY, MPU6500_BASIC_DEFAULT_INTERRUPT_DATA_READY);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default interrupt latch */
    res = mpu6500_set_interrupt_latch(&gs_handle, MPU6500_BASIC_DEFAULT_INTERRUPT_LATCH);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt latch failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default interrupt read clear */
    res = mpu6500_set_interrupt_read_clear(&gs_handle, MPU6500_BASIC_DEFAULT_INTERRUPT_READ_CLEAR);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set interrupt read clear failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the extern sync */
    res = mpu6500_set_extern_sync(&gs_handle, MPU6500_BASIC_DEFAULT_EXTERN_SYNC);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set extern sync failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default fsync interrupt */
    res = mpu6500_set_fsync_interrupt(&gs_handle, MPU6500_BASIC_DEFAULT_FSYNC_INTERRUPT);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fsync interrupt failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default fsync interrupt level */
    res = mpu6500_set_fsync_interrupt_level(&gs_handle, MPU6500_BASIC_DEFAULT_FSYNC_INTERRUPT_LEVEL);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fsync interrupt level failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default iic master */
    res = mpu6500_set_iic_master(&gs_handle, MPU6500_BASIC_DEFAULT_IIC_MASTER);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set iic master failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default iic bypass */
    res = mpu6500_set_iic_bypass(&gs_handle, MPU6500_BASIC_DEFAULT_IIC_BYPASS);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set iic bypass failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default accelerometer range */
    res = mpu6500_set_accelerometer_range(&gs_handle, MPU6500_BASIC_DEFAULT_ACCELEROMETER_RANGE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accelerometer range failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default gyroscope range */
    res = mpu6500_set_gyroscope_range(&gs_handle, MPU6500_BASIC_DEFAULT_GYROSCOPE_RANGE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set gyroscope range failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default gyro standby */
    res = mpu6500_set_gyro_standby(&gs_handle, MPU6500_BASIC_DEFAULT_GYROSCOPE_STANDBY);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set gyro standby failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default fifo mode */
    res = mpu6500_set_fifo_mode(&gs_handle, MPU6500_BASIC_DEFAULT_FIFO_MODE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set fifo mode failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default gyroscope choice */
    res = mpu6500_set_gyroscope_choice(&gs_handle, MPU6500_BASIC_DEFAULT_GYROSCOPE_CHOICE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set gyroscope choice failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default low pass filter */
    res = mpu6500_set_low_pass_filter(&gs_handle, MPU6500_BASIC_DEFAULT_LOW_PASS_FILTER);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set low pass filter failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default accelerometer choice */
    res = mpu6500_set_accelerometer_choice(&gs_handle, MPU6500_BASIC_DEFAULT_ACCELEROMETER_CHOICE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accelerometer choice failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default accelerometer low pass filter */
    res = mpu6500_set_accelerometer_low_pass_filter(&gs_handle, MPU6500_BASIC_DEFAULT_ACCELEROMETER_LOW_PASS_FILTER);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accelerometer low pass filter failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default low power accel output rate */
    res = mpu6500_set_low_power_accel_output_rate(&gs_handle, MPU6500_BASIC_DEFAULT_LOW_POWER_ACCEL_OUTPUT_RATE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set low power accel output rate failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default wake on motion */
    res = mpu6500_set_wake_on_motion(&gs_handle, MPU6500_BASIC_DEFAULT_WAKE_ON_MOTION);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set wake on motion failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    /* set the default accel compare with previous sample */
    res = mpu6500_set_accel_compare_with_previous_sample(&gs_handle, MPU6500_BASIC_DEFAULT_ACCELEROMETER_COMPARE);
    if (res != 0)
    {
        mpu6500_interface_debug_print("mpu6500: set accel compare with previous sample failed.\n");
        (void)mpu6500_deinit(&gs_handle);
       
        return 1;
    }
    
    return 0;
}

uint8_t mpu6500_basic_read_temperature(float *degrees)
{
    int16_t raw;
    
    /* read temperature */
    if (mpu6500_read_temperature(&gs_handle, &raw, degrees) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t mpu6500_basic_read(float g[3], float dps[3])
{
    uint16_t len;
    int16_t accel_raw[3];
    int16_t gyro_raw[3];
    float accel[3];
    float gyro[3];
    
    /* set 1 */
    len = 1;
    
    /* read data */
    if (mpu6500_read(&gs_handle,
                    (int16_t (*)[3])&accel_raw, (float (*)[3])&accel,
                    (int16_t (*)[3])&gyro_raw, (float (*)[3])&gyro,
                     &len) != 0
                    )
    {
        return 1;
    }
    
    /* copy the data */
    g[0] = accel[0];
    g[1] = accel[1];
    g[2] = accel[2];
    dps[0] = gyro[0];
    dps[1] = gyro[1];
    dps[2] = gyro[2];
    
    return 0;
}

uint8_t mpu6500_basic_deinit(void)
{
    /* deinit */
    if (mpu6500_deinit(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}