def read_raw_data(self): ''' Read the raw data from the sensor, scale it appropriately and store for later use ''' self.raw_gyro_data = I2CUtils.i2c_read_block(self.bus, self.address, MPU6050.GYRO_START_BLOCK, 6) self.raw_accel_data = I2CUtils.i2c_read_block( self.bus, self.address, MPU6050.ACCEL_START_BLOCK, 6) self.raw_temp_data = I2CUtils.i2c_read_block(self.bus, self.address, MPU6050.TEMP_START_BLOCK, 2) self.gyro_raw_x = I2CUtils.twos_compliment( self.raw_gyro_data[MPU6050.GYRO_XOUT_H], self.raw_gyro_data[MPU6050.GYRO_XOUT_L]) self.gyro_raw_y = I2CUtils.twos_compliment( self.raw_gyro_data[MPU6050.GYRO_YOUT_H], self.raw_gyro_data[MPU6050.GYRO_YOUT_L]) self.gyro_raw_z = I2CUtils.twos_compliment( self.raw_gyro_data[MPU6050.GYRO_ZOUT_H], self.raw_gyro_data[MPU6050.GYRO_ZOUT_L]) self.accel_raw_x = I2CUtils.twos_compliment( self.raw_accel_data[MPU6050.ACCEL_XOUT_H], self.raw_accel_data[MPU6050.ACCEL_XOUT_L]) self.accel_raw_y = I2CUtils.twos_compliment( self.raw_accel_data[MPU6050.ACCEL_YOUT_H], self.raw_accel_data[MPU6050.ACCEL_YOUT_L]) self.accel_raw_z = I2CUtils.twos_compliment( self.raw_accel_data[MPU6050.ACCEL_ZOUT_H], self.raw_accel_data[MPU6050.ACCEL_ZOUT_L]) self.raw_temp = I2CUtils.twos_compliment( self.raw_temp_data[MPU6050.TEMP_OUT_H], self.raw_temp_data[MPU6050.TEMP_OUT_L]) # We convert these to radians for consistency and so we can easily combine later in the filter self.gyro_scaled_x = math.radians(self.gyro_raw_x / MPU6050.GYRO_SCALE[self.fs_scale][1]) self.gyro_scaled_y = math.radians(self.gyro_raw_y / MPU6050.GYRO_SCALE[self.fs_scale][1]) self.gyro_scaled_z = math.radians(self.gyro_raw_z / MPU6050.GYRO_SCALE[self.fs_scale][1]) self.scaled_temp = self.raw_temp / 340 + 36.53 self.accel_scaled_x = self.accel_raw_x / MPU6050.ACCEL_SCALE[ self.afs_scale][1] self.accel_scaled_y = self.accel_raw_y / MPU6050.ACCEL_SCALE[ self.afs_scale][1] self.accel_scaled_z = self.accel_raw_z / MPU6050.ACCEL_SCALE[ self.afs_scale][1] self.pitch = self.read_x_rotation(self.read_scaled_accel_x(), self.read_scaled_accel_y(), self.read_scaled_accel_z()) self.roll = self.read_y_rotation(self.read_scaled_accel_x(), self.read_scaled_accel_y(), self.read_scaled_accel_z())
def read_raw_data(self): ''' Read the raw data from the sensor, scale it appropriately and store for later use ''' self.raw_gyro_data = I2CUtils.i2c_read_block(self.bus, self.address, MPU6050.GYRO_START_BLOCK, 6) self.raw_accel_data = I2CUtils.i2c_read_block(self.bus, self.address, MPU6050.ACCEL_START_BLOCK, 6) self.raw_temp_data = I2CUtils.i2c_read_block(self.bus, self.address, MPU6050.TEMP_START_BLOCK, 2) self.gyro_raw_x = I2CUtils.twos_compliment(self.raw_gyro_data[MPU6050.GYRO_XOUT_H], self.raw_gyro_data[MPU6050.GYRO_XOUT_L]) self.gyro_raw_y = I2CUtils.twos_compliment(self.raw_gyro_data[MPU6050.GYRO_YOUT_H], self.raw_gyro_data[MPU6050.GYRO_YOUT_L]) self.gyro_raw_z = I2CUtils.twos_compliment(self.raw_gyro_data[MPU6050.GYRO_ZOUT_H], self.raw_gyro_data[MPU6050.GYRO_ZOUT_L]) self.accel_raw_x = I2CUtils.twos_compliment(self.raw_accel_data[MPU6050.ACCEL_XOUT_H], self.raw_accel_data[MPU6050.ACCEL_XOUT_L]) self.accel_raw_y = I2CUtils.twos_compliment(self.raw_accel_data[MPU6050.ACCEL_YOUT_H], self.raw_accel_data[MPU6050.ACCEL_YOUT_L]) self.accel_raw_z = I2CUtils.twos_compliment(self.raw_accel_data[MPU6050.ACCEL_ZOUT_H], self.raw_accel_data[MPU6050.ACCEL_ZOUT_L]) self.raw_temp = I2CUtils.twos_compliment(self.raw_temp_data[MPU6050.TEMP_OUT_H], self.raw_temp_data[MPU6050.TEMP_OUT_L]) # We convert these to radians for consistency and so we can easily combine later in the filter self.gyro_scaled_x = math.radians(self.gyro_raw_x / MPU6050.GYRO_SCALE[self.fs_scale][1]) self.gyro_scaled_y = math.radians(self.gyro_raw_y / MPU6050.GYRO_SCALE[self.fs_scale][1]) self.gyro_scaled_z = math.radians(self.gyro_raw_z / MPU6050.GYRO_SCALE[self.fs_scale][1]) self.scaled_temp = self.raw_temp / 340 + 36.53 self.accel_scaled_x = self.accel_raw_x / MPU6050.ACCEL_SCALE[self.afs_scale][1] self.accel_scaled_y = self.accel_raw_y / MPU6050.ACCEL_SCALE[self.afs_scale][1] self.accel_scaled_z = self.accel_raw_z / MPU6050.ACCEL_SCALE[self.afs_scale][1] self.pitch = self.read_x_rotation(self.read_scaled_accel_x(),self.read_scaled_accel_y(),self.read_scaled_accel_z()) self.roll = self.read_y_rotation(self.read_scaled_accel_x(),self.read_scaled_accel_y(),self.read_scaled_accel_z())
def read_raw_data(self): self.raw_accel_data = I2CUtils.i2c_read_block(self.bus, self.address, ADXL345.ACCEL_START_BLOCK, 6) self.accel_raw_x = I2CUtils.twos_compliment(self.raw_accel_data[ADXL345.ACCEL_XOUT_H], self.raw_accel_data[ADXL345.ACCEL_XOUT_L]) self.accel_raw_y = I2CUtils.twos_compliment(self.raw_accel_data[ADXL345.ACCEL_YOUT_H], self.raw_accel_data[ADXL345.ACCEL_YOUT_L]) self.accel_raw_z = I2CUtils.twos_compliment(self.raw_accel_data[ADXL345.ACCEL_ZOUT_H], self.raw_accel_data[ADXL345.ACCEL_ZOUT_L]) self.accel_scaled_x = self.accel_raw_x * ADXL345.ACCEL_SCALE self.accel_scaled_y = self.accel_raw_y * ADXL345.ACCEL_SCALE self.accel_scaled_z = self.accel_raw_z * ADXL345.ACCEL_SCALE
def read_raw_data(self): ''' Read the raw data from the sensor, scale it appropriately and store for later use ''' self.raw_data = I2CUtils.i2c_read_block(self.bus, self.address, HMC5883L.DATA_START_BLOCK, 6) self.raw_x = I2CUtils.twos_compliment(self.raw_data[HMC5883L.DATA_XOUT_H], self.raw_data[HMC5883L.DATA_XOUT_L]) + self.x_offset self.raw_y = I2CUtils.twos_compliment(self.raw_data[HMC5883L.DATA_YOUT_H], self.raw_data[HMC5883L.DATA_YOUT_L]) + self.y_offset self.raw_z = I2CUtils.twos_compliment(self.raw_data[HMC5883L.DATA_ZOUT_H], self.raw_data[HMC5883L.DATA_ZOUT_L]) + self.z_offset self.scaled_x = self.raw_x * HMC5883L.GAIN_SCALE[self.gain][2] self.scaled_y = self.raw_y * HMC5883L.GAIN_SCALE[self.gain][2] self.scaled_z = self.raw_z * HMC5883L.GAIN_SCALE[self.gain][2]
def __init__(self, bus, address, name, oss=3): ''' Constructor ''' self.bus = bus self.address = address self.name = name self.calibration = I2CUtils.i2c_read_block(bus, address, BMP085.CALIB_BLOCK_ADDRESS, BMP085.CALIB_BLOCK_SIZE) self.oss = oss self.temp_wait_period = 0.004 self.pressure_wait_period = 0.0255 # Conversion time
def read_raw_data(self): self.raw_accel_data = I2CUtils.i2c_read_block( self.bus, self.address, ADXL345.ACCEL_START_BLOCK, 6) self.accel_raw_x = I2CUtils.twos_compliment( self.raw_accel_data[ADXL345.ACCEL_XOUT_H], self.raw_accel_data[ADXL345.ACCEL_XOUT_L]) self.accel_raw_y = I2CUtils.twos_compliment( self.raw_accel_data[ADXL345.ACCEL_YOUT_H], self.raw_accel_data[ADXL345.ACCEL_YOUT_L]) self.accel_raw_z = I2CUtils.twos_compliment( self.raw_accel_data[ADXL345.ACCEL_ZOUT_H], self.raw_accel_data[ADXL345.ACCEL_ZOUT_L]) self.accel_scaled_x = self.accel_raw_x * ADXL345.ACCEL_SCALE self.accel_scaled_y = self.accel_raw_y * ADXL345.ACCEL_SCALE self.accel_scaled_z = self.accel_raw_z * ADXL345.ACCEL_SCALE
def read_raw_data(self): ''' Read the raw data from the sensor, scale it appropriately and store for later use ''' self.raw_data = I2CUtils.i2c_read_block(self.bus, self.address, HMC5883L.DATA_START_BLOCK, 6) self.raw_x = I2CUtils.twos_compliment( self.raw_data[HMC5883L.DATA_XOUT_H], self.raw_data[HMC5883L.DATA_XOUT_L]) - self.x_offset self.raw_y = I2CUtils.twos_compliment( self.raw_data[HMC5883L.DATA_YOUT_H], self.raw_data[HMC5883L.DATA_YOUT_L]) - self.y_offset self.raw_z = I2CUtils.twos_compliment( self.raw_data[HMC5883L.DATA_ZOUT_H], self.raw_data[HMC5883L.DATA_ZOUT_L]) - self.z_offset self.scaled_x = self.raw_x * HMC5883L.GAIN_SCALE[self.gain][2] self.scaled_y = self.raw_y * HMC5883L.GAIN_SCALE[self.gain][2] self.scaled_z = self.raw_z * HMC5883L.GAIN_SCALE[self.gain][2]