/* * Copyright © 2012 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _AO_MPU6000_H_ #define _AO_MPU6000_H_ #define MPU6000_ADDR_WRITE 0xd0 #define MPU6000_ADDR_READ 0xd1 #define MPU6000_SMPRT_DIV 0x19 #define MPU6000_CONFIG 0x1a #define MPU6000_CONFIG_EXT_SYNC_SET 3 #define MPU6000_CONFIG_EXT_SYNC_SET_DISABLED 0 #define MPU6000_CONFIG_EXT_SYNC_SET_TEMP_OUT_L 1 #define MPU6000_CONFIG_EXT_SYNC_SET_GYRO_XOUT_L 2 #define MPU6000_CONFIG_EXT_SYNC_SET_GYRO_YOUT_L 3 #define MPU6000_CONFIG_EXT_SYNC_SET_GYRO_ZOUT_L 4 #define MPU6000_CONFIG_EXT_SYNC_SET_ACCEL_XOUT_L 5 #define MPU6000_CONFIG_EXT_SYNC_SET_ACCEL_YOUT_L 6 #define MPU6000_CONFIG_EXT_SYNC_SET_ACCEL_ZOUT_L 7 #define MPU6000_CONFIG_EXT_SYNC_SET_MASK 7 #define MPU6000_CONFIG_DLPF_CFG 0 #define MPU6000_CONFIG_DLPF_CFG_260_256 0 #define MPU6000_CONFIG_DLPF_CFG_184_188 1 #define MPU6000_CONFIG_DLPF_CFG_94_98 2 #define MPU6000_CONFIG_DLPF_CFG_44_42 3 #define MPU6000_CONFIG_DLPF_CFG_21_20 4 #define MPU6000_CONFIG_DLPF_CFG_10_10 5 #define MPU6000_CONFIG_DLPF_CFG_5_5 6 #define MPU6000_CONFIG_DLPF_CFG_MASK 7 #define MPU6000_GYRO_CONFIG 0x1b # define MPU600_GYRO_CONFIG_XG_ST 7 # define MPU600_GYRO_CONFIG_YG_ST 6 # define MPU600_GYRO_CONFIG_ZG_ST 5 # define MPU600_GYRO_CONFIG_FS_SEL 3 # define MPU600_GYRO_CONFIG_FS_SEL_250 0 # define MPU600_GYRO_CONFIG_FS_SEL_500 1 # define MPU600_GYRO_CONFIG_FS_SEL_1000 2 # define MPU600_GYRO_CONFIG_FS_SEL_2000 3 # define MPU600_GYRO_CONFIG_FS_SEL_MASK 3 #define MPU6000_ACCEL_CONFIG 0x1c # define MPU600_ACCEL_CONFIG_XA_ST 7 # define MPU600_ACCEL_CONFIG_YA_ST 6 # define MPU600_ACCEL_CONFIG_ZA_ST 5 # define MPU600_ACCEL_CONFIG_AFS_SEL 3 # define MPU600_ACCEL_CONFIG_AFS_SEL_2G 0 # define MPU600_ACCEL_CONFIG_AFS_SEL_4G 1 # define MPU600_ACCEL_CONFIG_AFS_SEL_8G 2 # define MPU600_ACCEL_CONFIG_AFS_SEL_16G 3 # define MPU600_ACCEL_CONFIG_AFS_SEL_MASK 3 # define MPU600_ACCEL_CONFIG_ACCEL_HPF 0 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_RESET 0 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_5Hz 1 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_2_5Hz 2 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_1_25Hz 3 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_0_63Hz 4 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_HOLD 7 # define MPU600_ACCEL_CONFIG_ACCEL_HPF_MASK 7 #define MPU6000_INT_ENABLE 0x38 #define MPU6000_INT_ENABLE_FF_EN 7 #define MPU6000_INT_ENABLE_MOT_EN 6 #define MPU6000_INT_ENABLE_ZMOT_EN 5 #define MPU6000_INT_ENABLE_FIFO_OFLOW_EN 4 #define MPU6000_INT_ENABLE_I2C_MST_INT_EN 3 #define MPU6000_INT_ENABLE_DATA_RDY_EN 0 #define MPU6000_INT_STATUS 0x3a #define MPU6000_INT_STATUS_FF_EN 7 #define MPU6000_INT_STATUS_MOT_EN 6 #define MPU6000_INT_STATUS_ZMOT_EN 5 #define MPU6000_INT_STATUS_FIFO_OFLOW_EN 4 #define MPU6000_INT_STATUS_I2C_MST_INT_EN 3 #define MPU6000_INT_STATUS_DATA_RDY_EN 0 #define MPU6000_ACCEL_XOUT_H 0x3b #define MPU6000_ACCEL_XOUT_L 0x3c #define MPU6000_ACCEL_YOUT_H 0x3d #define MPU6000_ACCEL_YOUT_L 0x3e #define MPU6000_ACCEL_ZOUT_H 0x3f #define MPU6000_ACCEL_ZOUT_L 0x40 #define MPU6000_TEMP_H 0x41 #define MPU6000_TEMP_L 0x42 #define MPU6000_GYRO_XOUT_H 0x43 #define MPU6000_GYRO_XOUT_L 0x44 #define MPU6000_GYRO_YOUT_H 0x45 #define MPU6000_GYRO_YOUT_L 0x46 #define MPU6000_GYRO_ZOUT_H 0x47 #define MPU6000_GYRO_ZOUT_L 0x48 #define MPU6000_SIGNAL_PATH_RESET 0x68 #define MPU6000_SIGNAL_PATH_RESET_GYRO_RESET 2 #define MPU6000_SIGNAL_PATH_RESET_ACCEL_RESET 1 #define MPU6000_SIGNAL_PATH_RESET_TEMP_RESET 0 #define MPU6000_USER_CONTROL 0x6a #define MPU6000_USER_CONTROL_FIFO_EN 6 #define MPU6000_USER_CONTROL_I2C_MST_EN 5 #define MPU6000_USER_CONTROL_I2C_IF_DIS 4 #define MPU6000_USER_CONTROL_FIFO_RESET 2 #define MPU6000_USER_CONTROL_I2C_MST_RESET 1 #define MPU6000_USER_CONTROL_SIG_COND_RESET 0 #define MPU6000_PWR_MGMT_1 0x6b #define MPU6000_PWR_MGMT_1_DEVICE_RESET 7 #define MPU6000_PWR_MGMT_1_SLEEP 6 #define MPU6000_PWR_MGMT_1_CYCLE 5 #define MPU6000_PWR_MGMT_1_TEMP_DIS 3 #define MPU6000_PWR_MGMT_1_CLKSEL 0 #define MPU6000_PWR_MGMT_1_CLKSEL_INTERNAL 0 #define MPU6000_PWR_MGMT_1_CLKSEL_PLL_X_AXIS 1 #define MPU6000_PWR_MGMT_1_CLKSEL_PLL_Y_AXIS 2 #define MPU6000_PWR_MGMT_1_CLKSEL_PLL_Z_AXIS 3 #define MPU6000_PWR_MGMT_1_CLKSEL_PLL_EXTERNAL_32K 4 #define MPU6000_PWR_MGMT_1_CLKSEL_PLL_EXTERNAL_19M 5 #define MPU6000_PWR_MGMT_1_CLKSEL_STOP 7 #define MPU6000_PWR_MGMT_1_CLKSEL_MASK 7 #define MPU6000_PWR_MGMT_2 0x6c #define MPU6000_WHO_AM_I 0x75 /* Self test acceleration is approximately 0.5g */ #define MPU6000_ST_ACCEL(full_scale) (32767 / ((full_scale) * 2)) /* Self test gyro is approximately 50°/s */ #define MPU6000_ST_GYRO(full_scale) ((int16_t) (((int32_t) 32767 * (int32_t) 50) / (full_scale))) #define MPU6000_GYRO_FULLSCALE 2000 #define MPU6000_ACCEL_FULLSCALE 16 struct ao_mpu6000_sample { int16_t accel_x; int16_t accel_y; int16_t accel_z; int16_t temp; int16_t gyro_x; int16_t gyro_y; int16_t gyro_z; }; void ao_mpu6000_init(void); #endif /* _AO_MPU6000_H_ */