65 int MPU6050::read_reg(rt_uint8_t reg, rt_uint8_t *value)  in read_reg()  argument
76     msgs[1].buf   = (rt_uint8_t *)value;  in read_reg()
85 int MPU6050::read_buffer(rt_uint8_t reg, rt_uint8_t* value, rt_size_t size)  in read_buffer()  argument
96     msgs[1].buf   = (rt_uint8_t *)value;  in read_buffer()
105 int MPU6050::write_reg(rt_uint8_t reg, rt_uint8_t value)  in write_reg()  argument
116     msgs[1].buf   = (rt_uint8_t *)&value;  in write_reg()
131 	rt_uint8_t value[6] = {0};  in MPU6050_Accelerometer()  local
157 		read_buffer(MPU6050_ACCEL_XOUT_H, value, 6);  in MPU6050_Accelerometer()
159 		x += (((rt_int16_t)value[0] << 8)   | value[1]);  in MPU6050_Accelerometer()
160 		y += (((rt_int16_t)value[2] << 8)   | value[3]);  in MPU6050_Accelerometer()
161 		z += (((rt_int16_t)value[4] << 8)   | value[5]);		  in MPU6050_Accelerometer()
176 	uint8_t value;  in configure()  local
207 	read_reg(MPU6050_ACCEL_CONFIG, &value);  in configure()
208 	value &= ~(0x3 << 2);  in configure()
209 	value |= range;  in configure()
210 	write_reg(MPU6050_ACCEL_CONFIG, value);  in configure()
218 	uint8_t value;  in activate()  local
223 		read_reg(MPU6050_PWR_MGMT_2, &value);   in activate()
224 		value &= ~(0x07 << 2);  in activate()
225 		write_reg(MPU6050_PWR_MGMT_2, value);  in activate()
231 		read_reg(MPU6050_PWR_MGMT_2, &value);   in activate()
232 		value |= (0x07 << 2);  in activate()
233 		write_reg(MPU6050_PWR_MGMT_2, value);  in activate()
245 	rt_uint8_t value[6];  in poll()  local
257 	read_buffer(MPU6050_ACCEL_XOUT_H, value, 6);  in poll()
260 	x = (((rt_int16_t)value[0] << 8) | value[1]);  in poll()
261 	y = (((rt_int16_t)value[2] << 8) | value[3]);  in poll()
262 	z = (((rt_int16_t)value[4] << 8) | value[5]);  in poll()
297 	rt_uint8_t value[6];  in MPU6050_Gyroscope()  local
321 		read_buffer(MPU6050_GYRO_XOUT_H, value, 6);  in MPU6050_Gyroscope()
323 		x += (((rt_int16_t)value[0] << 8)   | value[1]);  in MPU6050_Gyroscope()
324 		y += (((rt_int16_t)value[2] << 8)   | value[3]);  in MPU6050_Gyroscope()
325 		z += (((rt_int16_t)value[4] << 8)   | value[5]);		  in MPU6050_Gyroscope()
339 	uint8_t value;  in configure()  local
370 	read_reg(MPU6050_GYRO_CONFIG, &value);  in configure()
371 	value &= ~(0x3 << 2);  in configure()
372 	value |= range;  in configure()
373 	write_reg(MPU6050_GYRO_CONFIG, value);  in configure()
381 	uint8_t value;  in activate()  local
386 		read_reg(MPU6050_PWR_MGMT_1, &value);  in activate()
387 		value &= ~(0x01 << 4);  in activate()
388 		write_reg(MPU6050_PWR_MGMT_1, value);  in activate()
390 		read_reg(MPU6050_PWR_MGMT_2, &value);   in activate()
391 		value &= ~(0x07 << 0);  in activate()
392 		write_reg(MPU6050_PWR_MGMT_2, value);  in activate()
398 		read_reg(MPU6050_PWR_MGMT_2, &value);   in activate()
399 		value |= (0x07 << 0);  in activate()
400 		write_reg(MPU6050_PWR_MGMT_2, value);  in activate()
412 	rt_uint8_t value[6];  in poll()  local
424 	read_buffer(MPU6050_GYRO_XOUT_H, value, 6);  in poll()
427 	x = (((rt_int16_t)value[0] << 8) | value[1]);  in poll()
428 	y = (((rt_int16_t)value[2] << 8) | value[3]);  in poll()
429 	z = (((rt_int16_t)value[4] << 8) | value[5]);  in poll()