Exemple #1
0
void 
imu_init(void)
{
    /* initialises neutrals */
    RATES_ASSIGN(booz_imu.gyro_neutral,  IMU_NEUTRAL_GYRO_P,  IMU_NEUTRAL_GYRO_Q,  IMU_NEUTRAL_GYRO_R);
    VECT3_ASSIGN(booz_imu.accel_neutral, IMU_NEUTRAL_ACCEL_X, IMU_NEUTRAL_ACCEL_Y, IMU_NEUTRAL_ACCEL_Z);
    VECT3_ASSIGN(booz_imu.mag_neutral,   IMU_NEUTRAL_MAG_X,   IMU_NEUTRAL_MAG_Y,   IMU_NEUTRAL_MAG_Z);

    /* initialise IMU alignment */
    imu_adjust_alignment(IMU_ALIGNMENT_BODY_TO_IMU_PHI, IMU_ALIGNMENT_BODY_TO_IMU_THETA, IMU_ALIGNMENT_BODY_TO_IMU_PSI);

    imu_spi_selected = SPI_NONE;
    do_max1168_read = FALSE;

    /* setup pins for SSP (SCK, MISO, MOSI) */
    PINSEL1 |= SSP_PINSEL1_SCK  | SSP_PINSEL1_MISO | SSP_PINSEL1_MOSI;

    /* setup SSP */
    SSPCR0 = SSPCR0_VAL;;
    SSPCR1 = SSPCR1_VAL;
    SSPCPSR = 0x02;

    /* initialize interrupt vector */
    VICIntSelect &= ~VIC_BIT( VIC_SPI1 );  /* SPI1 selected as IRQ */
    VICIntEnable = VIC_BIT( VIC_SPI1 );    /* enable it            */
    _VIC_CNTL(SSP_VIC_SLOT) = VIC_ENABLE | VIC_SPI1;
    _VIC_ADDR(SSP_VIC_SLOT) = (uint32_t)SSP_ISR;      /* address of the ISR   */

    max1168_init();
    micromag_init();
}
Exemple #2
0
uint16_t max1168_read_adc(uint8_t reg, enum max1168_clk clk, enum max1168_mode mode)
{
    #define CH2 0x20
    uint16_t raw_data;
    max1168_init();

    if (mode == MODE_8BIT)
        PORTB &= ~(1<<DSEL);
    else
        PORTB |= (1<<DSEL);

    CS_LOW();
    /* TODO: remove hardcoded channel */
    max1168_xfer_byte(CH2 | clk);

    if (mode == MODE_16BIT)
        max1168_xfer_byte(SPI_DUMMY_BYTE);

    if (clk == CLK_INTERNAL)
        while ((PINB & (1<<EOC)));

    raw_data = max1168_xfer_byte(SPI_DUMMY_BYTE) << 8;
    raw_data |= max1168_xfer_byte(SPI_DUMMY_BYTE);
    CS_HIGH();

    return raw_data;
}
Exemple #3
0
void imu_impl_init(void)
{
  max1168_init();

  /////////////////////////////////////////////////////////////////////
  // HMC58XX
  hmc58xx_init(&imu_hbmini.hmc, &(IMU_HBMINI_I2C_DEV), HMC58XX_ADDR);
}
Exemple #4
0
void imu_impl_init(void) {

  imu_b2_arch_init();

  max1168_init();
#if defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_MS2001
  ms2001_init();
#elif defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_AMI601
  ami601_init();
#elif defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_HMC5843
  hmc5843_init();
#endif

}
Exemple #5
0
void imu_impl_init(void)
{

  max1168_init();

  /////////////////////////////////////////////////////////////////////
  // HMC58XX
  hmc58xx_init(&imu_hbmini.hmc, &(IMU_HBMINI_I2C_DEV), HMC58XX_ADDR);

  imu_hbmini.gyr_valid = FALSE;
  imu_hbmini.acc_valid = FALSE;
  imu_hbmini.mag_valid = FALSE;

}
Exemple #6
0
void imu_impl_init(void) {

  max1168_init();
#if defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_MS2100
  ms2100_init(&ms2100, &(MS2100_SPI_DEV), MS2100_SLAVE_IDX);
#elif defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_AMI601
  ami601_init();
#elif defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_HMC5843
  hmc5843_init();
#elif defined IMU_B2_MAG_TYPE && IMU_B2_MAG_TYPE == IMU_B2_MAG_HMC58XX
  hmc58xx_init(&imu_b2.mag_hmc, &(IMU_B2_I2C_DEV), HMC58XX_ADDR);
#endif

}
Exemple #7
0
static inline void main_init( void ) {
  mcu_init();
  sys_time_register_timer((1./PERIODIC_FREQUENCY), NULL);
  max1168_init();
  main_spi2_init();
}
Exemple #8
0
static inline void main_init( void ) {
  mcu_init();
  sys_time_init();
  max1168_init();
  main_spi2_init();
}