Code for our FYDP -only one IMU works right now -RTOS is working

Dependencies:   mbed

Revision:
0:964eb6a2ef00
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/drivers/MPU6050-DMP-Ian/MPU/inc/MPU6051.h	Wed Mar 18 22:23:48 2015 +0000
@@ -0,0 +1,1006 @@
+//ported from arduino library: https://github.com/jrowberg/i2cdevlib/tree/master/Arduino/MPU6050
+//written by szymon gaertig (email: szymon@gaertig.com.pl)
+//
+//Changelog: 
+//2013-01-08 - first beta release
+
+// I2Cdev library collection - MPU6050 I2C device class
+// Based on InvenSense MPU-6050 register map document rev. 2.0, 5/19/2011 (RM-MPU-6000A-00)
+// 10/3/2011 by Jeff Rowberg <jeff@rowberg.net>
+// Updates should (hopefully) always be available at https://github.com/jrowberg/i2cdevlib
+//
+// Changelog:
+//     ... - ongoing debug release
+
+// NOTE: THIS IS ONLY A PARIAL RELEASE. THIS DEVICE CLASS IS CURRENTLY UNDERGOING ACTIVE
+// DEVELOPMENT AND IS STILL MISSING SOME IMPORTANT FEATURES. PLEASE KEEP THIS IN MIND IF
+// YOU DECIDE TO USE THIS PARTICULAR CODE FOR ANYTHING.
+
+/* ============================================
+I2Cdev device library code is placed under the MIT license
+Copyright (c) 2012 Jeff Rowberg
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+===============================================
+*/
+
+#ifndef _MPU6051_H_
+#define _MPU6051_H_
+
+#include "I2Cdev2.h"
+#include "helper_3dmath.h"
+
+#define MPU6050_ADDRESS_AD0_LOW     0x68 // address pin low (GND), default for InvenSense evaluation board
+#define MPU6050_ADDRESS_AD0_HIGH    0x69 // address pin high (VCC)
+#define MPU6050_DEFAULT_ADDRESS     MPU6050_ADDRESS_AD0_LOW
+
+#define MPU6050_RA_XG_OFFS_TC       0x00 //[7] PWR_MODE, [6:1] XG_OFFS_TC, [0] OTP_BNK_VLD
+#define MPU6050_RA_YG_OFFS_TC       0x01 //[7] PWR_MODE, [6:1] YG_OFFS_TC, [0] OTP_BNK_VLD
+#define MPU6050_RA_ZG_OFFS_TC       0x02 //[7] PWR_MODE, [6:1] ZG_OFFS_TC, [0] OTP_BNK_VLD
+#define MPU6050_RA_X_FINE_GAIN      0x03 //[7:0] X_FINE_GAIN
+#define MPU6050_RA_Y_FINE_GAIN      0x04 //[7:0] Y_FINE_GAIN
+#define MPU6050_RA_Z_FINE_GAIN      0x05 //[7:0] Z_FINE_GAIN
+#define MPU6050_RA_XA_OFFS_H        0x06 //[15:0] XA_OFFS
+#define MPU6050_RA_XA_OFFS_L_TC     0x07
+#define MPU6050_RA_YA_OFFS_H        0x08 //[15:0] YA_OFFS
+#define MPU6050_RA_YA_OFFS_L_TC     0x09
+#define MPU6050_RA_ZA_OFFS_H        0x0A //[15:0] ZA_OFFS
+#define MPU6050_RA_ZA_OFFS_L_TC     0x0B
+#define MPU6050_RA_XG_OFFS_USRH     0x13 //[15:0] XG_OFFS_USR
+#define MPU6050_RA_XG_OFFS_USRL     0x14
+#define MPU6050_RA_YG_OFFS_USRH     0x15 //[15:0] YG_OFFS_USR
+#define MPU6050_RA_YG_OFFS_USRL     0x16
+#define MPU6050_RA_ZG_OFFS_USRH     0x17 //[15:0] ZG_OFFS_USR
+#define MPU6050_RA_ZG_OFFS_USRL     0x18
+#define MPU6050_RA_SMPLRT_DIV       0x19
+#define MPU6050_RA_CONFIG           0x1A
+#define MPU6050_RA_GYRO_CONFIG      0x1B
+#define MPU6050_RA_ACCEL_CONFIG     0x1C
+#define MPU6050_RA_FF_THR           0x1D
+#define MPU6050_RA_FF_DUR           0x1E
+#define MPU6050_RA_MOT_THR          0x1F
+#define MPU6050_RA_MOT_DUR          0x20
+#define MPU6050_RA_ZRMOT_THR        0x21
+#define MPU6050_RA_ZRMOT_DUR        0x22
+#define MPU6050_RA_FIFO_EN          0x23
+#define MPU6050_RA_I2C_MST_CTRL     0x24
+#define MPU6050_RA_I2C_SLV0_ADDR    0x25
+#define MPU6050_RA_I2C_SLV0_REG     0x26
+#define MPU6050_RA_I2C_SLV0_CTRL    0x27
+#define MPU6050_RA_I2C_SLV1_ADDR    0x28
+#define MPU6050_RA_I2C_SLV1_REG     0x29
+#define MPU6050_RA_I2C_SLV1_CTRL    0x2A
+#define MPU6050_RA_I2C_SLV2_ADDR    0x2B
+#define MPU6050_RA_I2C_SLV2_REG     0x2C
+#define MPU6050_RA_I2C_SLV2_CTRL    0x2D
+#define MPU6050_RA_I2C_SLV3_ADDR    0x2E
+#define MPU6050_RA_I2C_SLV3_REG     0x2F
+#define MPU6050_RA_I2C_SLV3_CTRL    0x30
+#define MPU6050_RA_I2C_SLV4_ADDR    0x31
+#define MPU6050_RA_I2C_SLV4_REG     0x32
+#define MPU6050_RA_I2C_SLV4_DO      0x33
+#define MPU6050_RA_I2C_SLV4_CTRL    0x34
+#define MPU6050_RA_I2C_SLV4_DI      0x35
+#define MPU6050_RA_I2C_MST_STATUS   0x36
+#define MPU6050_RA_INT_PIN_CFG      0x37
+#define MPU6050_RA_INT_ENABLE       0x38
+#define MPU6050_RA_DMP_INT_STATUS   0x39
+#define MPU6050_RA_INT_STATUS       0x3A
+
+#define MPU6050_RA_ACCEL_XOUT_H     0x3B
+#define MPU6050_RA_ACCEL_XOUT_L     0x3C
+#define MPU6050_RA_ACCEL_YOUT_H     0x3D
+#define MPU6050_RA_ACCEL_YOUT_L     0x3E
+#define MPU6050_RA_ACCEL_ZOUT_H     0x3F
+#define MPU6050_RA_ACCEL_ZOUT_L     0x40
+
+#define MPU6050_RA_TEMP_OUT_H       0x41
+#define MPU6050_RA_TEMP_OUT_L       0x42
+
+#define MPU6050_RA_GYRO_XOUT_H      0x43
+#define MPU6050_RA_GYRO_XOUT_L      0x44
+#define MPU6050_RA_GYRO_YOUT_H      0x45
+#define MPU6050_RA_GYRO_YOUT_L      0x46
+#define MPU6050_RA_GYRO_ZOUT_H      0x47
+#define MPU6050_RA_GYRO_ZOUT_L      0x48
+
+#define MPU9150_RA_MAG_ADDRESS      0x0C
+#define MPU9150_RA_MAG_XOUT_L       0x03
+#define MPU9150_RA_MAG_XOUT_H       0x04
+#define MPU9150_RA_MAG_YOUT_L       0x05
+#define MPU9150_RA_MAG_YOUT_H       0x06
+#define MPU9150_RA_MAG_ZOUT_L       0x07
+#define MPU9150_RA_MAG_ZOUT_H       0x08
+
+#define MPU6050_RA_EXT_SENS_DATA_00 0x49
+#define MPU6050_RA_EXT_SENS_DATA_01 0x4A
+#define MPU6050_RA_EXT_SENS_DATA_02 0x4B
+#define MPU6050_RA_EXT_SENS_DATA_03 0x4C
+#define MPU6050_RA_EXT_SENS_DATA_04 0x4D
+#define MPU6050_RA_EXT_SENS_DATA_05 0x4E
+#define MPU6050_RA_EXT_SENS_DATA_06 0x4F
+#define MPU6050_RA_EXT_SENS_DATA_07 0x50
+#define MPU6050_RA_EXT_SENS_DATA_08 0x51
+#define MPU6050_RA_EXT_SENS_DATA_09 0x52
+#define MPU6050_RA_EXT_SENS_DATA_10 0x53
+#define MPU6050_RA_EXT_SENS_DATA_11 0x54
+#define MPU6050_RA_EXT_SENS_DATA_12 0x55
+#define MPU6050_RA_EXT_SENS_DATA_13 0x56
+#define MPU6050_RA_EXT_SENS_DATA_14 0x57
+#define MPU6050_RA_EXT_SENS_DATA_15 0x58
+#define MPU6050_RA_EXT_SENS_DATA_16 0x59
+#define MPU6050_RA_EXT_SENS_DATA_17 0x5A
+#define MPU6050_RA_EXT_SENS_DATA_18 0x5B
+#define MPU6050_RA_EXT_SENS_DATA_19 0x5C
+#define MPU6050_RA_EXT_SENS_DATA_20 0x5D
+#define MPU6050_RA_EXT_SENS_DATA_21 0x5E
+#define MPU6050_RA_EXT_SENS_DATA_22 0x5F
+#define MPU6050_RA_EXT_SENS_DATA_23 0x60
+#define MPU6050_RA_MOT_DETECT_STATUS    0x61
+#define MPU6050_RA_I2C_SLV0_DO      0x63
+#define MPU6050_RA_I2C_SLV1_DO      0x64
+#define MPU6050_RA_I2C_SLV2_DO      0x65
+#define MPU6050_RA_I2C_SLV3_DO      0x66
+#define MPU6050_RA_I2C_MST_DELAY_CTRL   0x67
+#define MPU6050_RA_SIGNAL_PATH_RESET    0x68
+#define MPU6050_RA_MOT_DETECT_CTRL      0x69
+#define MPU6050_RA_USER_CTRL        0x6A
+#define MPU6050_RA_PWR_MGMT_1       0x6B
+#define MPU6050_RA_PWR_MGMT_2       0x6C
+#define MPU6050_RA_BANK_SEL         0x6D
+#define MPU6050_RA_MEM_START_ADDR   0x6E
+#define MPU6050_RA_MEM_R_W          0x6F
+#define MPU6050_RA_DMP_CFG_1        0x70
+#define MPU6050_RA_DMP_CFG_2        0x71
+#define MPU6050_RA_FIFO_COUNTH      0x72
+#define MPU6050_RA_FIFO_COUNTL      0x73
+#define MPU6050_RA_FIFO_R_W         0x74
+#define MPU6050_RA_WHO_AM_I         0x75
+
+#define MPU6050_TC_PWR_MODE_BIT     7
+#define MPU6050_TC_OFFSET_BIT       6
+#define MPU6050_TC_OFFSET_LENGTH    6
+#define MPU6050_TC_OTP_BNK_VLD_BIT  0
+
+#define MPU6050_VDDIO_LEVEL_VLOGIC  0
+#define MPU6050_VDDIO_LEVEL_VDD     1
+
+#define MPU6050_CFG_EXT_SYNC_SET_BIT    5
+#define MPU6050_CFG_EXT_SYNC_SET_LENGTH 3
+#define MPU6050_CFG_DLPF_CFG_BIT    2
+#define MPU6050_CFG_DLPF_CFG_LENGTH 3
+
+#define MPU6050_EXT_SYNC_DISABLED       0x0
+#define MPU6050_EXT_SYNC_TEMP_OUT_L     0x1
+#define MPU6050_EXT_SYNC_GYRO_XOUT_L    0x2
+#define MPU6050_EXT_SYNC_GYRO_YOUT_L    0x3
+#define MPU6050_EXT_SYNC_GYRO_ZOUT_L    0x4
+#define MPU6050_EXT_SYNC_ACCEL_XOUT_L   0x5
+#define MPU6050_EXT_SYNC_ACCEL_YOUT_L   0x6
+#define MPU6050_EXT_SYNC_ACCEL_ZOUT_L   0x7
+
+#define MPU6050_DLPF_BW_256         0x00
+#define MPU6050_DLPF_BW_188         0x01
+#define MPU6050_DLPF_BW_98          0x02
+#define MPU6050_DLPF_BW_42          0x03
+#define MPU6050_DLPF_BW_20          0x04
+#define MPU6050_DLPF_BW_10          0x05
+#define MPU6050_DLPF_BW_5           0x06
+
+#define MPU6050_GCONFIG_FS_SEL_BIT      4
+#define MPU6050_GCONFIG_FS_SEL_LENGTH   2
+
+#define MPU6050_GYRO_FS_250         0x00
+#define MPU6050_GYRO_FS_500         0x01
+#define MPU6050_GYRO_FS_1000        0x02
+#define MPU6050_GYRO_FS_2000        0x03
+
+#define MPU6050_ACONFIG_XA_ST_BIT           7
+#define MPU6050_ACONFIG_YA_ST_BIT           6
+#define MPU6050_ACONFIG_ZA_ST_BIT           5
+#define MPU6050_ACONFIG_AFS_SEL_BIT         4
+#define MPU6050_ACONFIG_AFS_SEL_LENGTH      2
+#define MPU6050_ACONFIG_ACCEL_HPF_BIT       2
+#define MPU6050_ACONFIG_ACCEL_HPF_LENGTH    3
+
+#define MPU6050_ACCEL_FS_2          0x00
+#define MPU6050_ACCEL_FS_4          0x01
+#define MPU6050_ACCEL_FS_8          0x02
+#define MPU6050_ACCEL_FS_16         0x03
+
+#define MPU6050_DHPF_RESET          0x00
+#define MPU6050_DHPF_5              0x01
+#define MPU6050_DHPF_2P5            0x02
+#define MPU6050_DHPF_1P25           0x03
+#define MPU6050_DHPF_0P63           0x04
+#define MPU6050_DHPF_HOLD           0x07
+
+#define MPU6050_TEMP_FIFO_EN_BIT    7
+#define MPU6050_XG_FIFO_EN_BIT      6
+#define MPU6050_YG_FIFO_EN_BIT      5
+#define MPU6050_ZG_FIFO_EN_BIT      4
+#define MPU6050_ACCEL_FIFO_EN_BIT   3
+#define MPU6050_SLV2_FIFO_EN_BIT    2
+#define MPU6050_SLV1_FIFO_EN_BIT    1
+#define MPU6050_SLV0_FIFO_EN_BIT    0
+
+#define MPU6050_MULT_MST_EN_BIT     7
+#define MPU6050_WAIT_FOR_ES_BIT     6
+#define MPU6050_SLV_3_FIFO_EN_BIT   5
+#define MPU6050_I2C_MST_P_NSR_BIT   4
+#define MPU6050_I2C_MST_CLK_BIT     3
+#define MPU6050_I2C_MST_CLK_LENGTH  4
+
+#define MPU6050_CLOCK_DIV_348       0x0
+#define MPU6050_CLOCK_DIV_333       0x1
+#define MPU6050_CLOCK_DIV_320       0x2
+#define MPU6050_CLOCK_DIV_308       0x3
+#define MPU6050_CLOCK_DIV_296       0x4
+#define MPU6050_CLOCK_DIV_286       0x5
+#define MPU6050_CLOCK_DIV_276       0x6
+#define MPU6050_CLOCK_DIV_267       0x7
+#define MPU6050_CLOCK_DIV_258       0x8
+#define MPU6050_CLOCK_DIV_500       0x9
+#define MPU6050_CLOCK_DIV_471       0xA
+#define MPU6050_CLOCK_DIV_444       0xB
+#define MPU6050_CLOCK_DIV_421       0xC
+#define MPU6050_CLOCK_DIV_400       0xD
+#define MPU6050_CLOCK_DIV_381       0xE
+#define MPU6050_CLOCK_DIV_364       0xF
+
+#define MPU6050_I2C_SLV_RW_BIT      7
+#define MPU6050_I2C_SLV_ADDR_BIT    6
+#define MPU6050_I2C_SLV_ADDR_LENGTH 7
+#define MPU6050_I2C_SLV_EN_BIT      7
+#define MPU6050_I2C_SLV_BYTE_SW_BIT 6
+#define MPU6050_I2C_SLV_REG_DIS_BIT 5
+#define MPU6050_I2C_SLV_GRP_BIT     4
+#define MPU6050_I2C_SLV_LEN_BIT     3
+#define MPU6050_I2C_SLV_LEN_LENGTH  4
+
+#define MPU6050_I2C_SLV4_RW_BIT         7
+#define MPU6050_I2C_SLV4_ADDR_BIT       6
+#define MPU6050_I2C_SLV4_ADDR_LENGTH    7
+#define MPU6050_I2C_SLV4_EN_BIT         7
+#define MPU6050_I2C_SLV4_INT_EN_BIT     6
+#define MPU6050_I2C_SLV4_REG_DIS_BIT    5
+#define MPU6050_I2C_SLV4_MST_DLY_BIT    4
+#define MPU6050_I2C_SLV4_MST_DLY_LENGTH 5
+
+#define MPU6050_MST_PASS_THROUGH_BIT    7
+#define MPU6050_MST_I2C_SLV4_DONE_BIT   6
+#define MPU6050_MST_I2C_LOST_ARB_BIT    5
+#define MPU6050_MST_I2C_SLV4_NACK_BIT   4
+#define MPU6050_MST_I2C_SLV3_NACK_BIT   3
+#define MPU6050_MST_I2C_SLV2_NACK_BIT   2
+#define MPU6050_MST_I2C_SLV1_NACK_BIT   1
+#define MPU6050_MST_I2C_SLV0_NACK_BIT   0
+
+#define MPU6050_INTCFG_INT_LEVEL_BIT        7
+#define MPU6050_INTCFG_INT_OPEN_BIT         6
+#define MPU6050_INTCFG_LATCH_INT_EN_BIT     5
+#define MPU6050_INTCFG_INT_RD_CLEAR_BIT     4
+#define MPU6050_INTCFG_FSYNC_INT_LEVEL_BIT  3
+#define MPU6050_INTCFG_FSYNC_INT_EN_BIT     2
+#define MPU6050_INTCFG_I2C_BYPASS_EN_BIT    1
+#define MPU6050_INTCFG_CLKOUT_EN_BIT        0
+
+#define MPU6050_INTMODE_ACTIVEHIGH  0x00
+#define MPU6050_INTMODE_ACTIVELOW   0x01
+
+#define MPU6050_INTDRV_PUSHPULL     0x00
+#define MPU6050_INTDRV_OPENDRAIN    0x01
+
+#define MPU6050_INTLATCH_50USPULSE  0x00
+#define MPU6050_INTLATCH_WAITCLEAR  0x01
+
+#define MPU6050_INTCLEAR_STATUSREAD 0x00
+#define MPU6050_INTCLEAR_ANYREAD    0x01
+
+#define MPU6050_INTERRUPT_FF_BIT            7
+#define MPU6050_INTERRUPT_MOT_BIT           6
+#define MPU6050_INTERRUPT_ZMOT_BIT          5
+#define MPU6050_INTERRUPT_FIFO_OFLOW_BIT    4
+#define MPU6050_INTERRUPT_I2C_MST_INT_BIT   3
+#define MPU6050_INTERRUPT_PLL_RDY_INT_BIT   2
+#define MPU6050_INTERRUPT_DMP_INT_BIT       1
+#define MPU6050_INTERRUPT_DATA_RDY_BIT      0
+
+// TODO: figure out what these actually do
+// UMPL source code is not very obivous
+#define MPU6050_DMPINT_5_BIT            5
+#define MPU6050_DMPINT_4_BIT            4
+#define MPU6050_DMPINT_3_BIT            3
+#define MPU6050_DMPINT_2_BIT            2
+#define MPU6050_DMPINT_1_BIT            1
+#define MPU6050_DMPINT_0_BIT            0
+
+#define MPU6050_MOTION_MOT_XNEG_BIT     7
+#define MPU6050_MOTION_MOT_XPOS_BIT     6
+#define MPU6050_MOTION_MOT_YNEG_BIT     5
+#define MPU6050_MOTION_MOT_YPOS_BIT     4
+#define MPU6050_MOTION_MOT_ZNEG_BIT     3
+#define MPU6050_MOTION_MOT_ZPOS_BIT     2
+#define MPU6050_MOTION_MOT_ZRMOT_BIT    0
+
+#define MPU6050_DELAYCTRL_DELAY_ES_SHADOW_BIT   7
+#define MPU6050_DELAYCTRL_I2C_SLV4_DLY_EN_BIT   4
+#define MPU6050_DELAYCTRL_I2C_SLV3_DLY_EN_BIT   3
+#define MPU6050_DELAYCTRL_I2C_SLV2_DLY_EN_BIT   2
+#define MPU6050_DELAYCTRL_I2C_SLV1_DLY_EN_BIT   1
+#define MPU6050_DELAYCTRL_I2C_SLV0_DLY_EN_BIT   0
+
+#define MPU6050_PATHRESET_GYRO_RESET_BIT    2
+#define MPU6050_PATHRESET_ACCEL_RESET_BIT   1
+#define MPU6050_PATHRESET_TEMP_RESET_BIT    0
+
+#define MPU6050_DETECT_ACCEL_ON_DELAY_BIT       5
+#define MPU6050_DETECT_ACCEL_ON_DELAY_LENGTH    2
+#define MPU6050_DETECT_FF_COUNT_BIT             3
+#define MPU6050_DETECT_FF_COUNT_LENGTH          2
+#define MPU6050_DETECT_MOT_COUNT_BIT            1
+#define MPU6050_DETECT_MOT_COUNT_LENGTH         2
+
+#define MPU6050_DETECT_DECREMENT_RESET  0x0
+#define MPU6050_DETECT_DECREMENT_1      0x1
+#define MPU6050_DETECT_DECREMENT_2      0x2
+#define MPU6050_DETECT_DECREMENT_4      0x3
+
+#define MPU6050_USERCTRL_DMP_EN_BIT             7
+#define MPU6050_USERCTRL_FIFO_EN_BIT            6
+#define MPU6050_USERCTRL_I2C_MST_EN_BIT         5
+#define MPU6050_USERCTRL_I2C_IF_DIS_BIT         4
+#define MPU6050_USERCTRL_DMP_RESET_BIT          3
+#define MPU6050_USERCTRL_FIFO_RESET_BIT         2
+#define MPU6050_USERCTRL_I2C_MST_RESET_BIT      1
+#define MPU6050_USERCTRL_SIG_COND_RESET_BIT     0
+
+#define MPU6050_PWR1_DEVICE_RESET_BIT   7
+#define MPU6050_PWR1_SLEEP_BIT          6
+#define MPU6050_PWR1_CYCLE_BIT          5
+#define MPU6050_PWR1_TEMP_DIS_BIT       3
+#define MPU6050_PWR1_CLKSEL_BIT         2
+#define MPU6050_PWR1_CLKSEL_LENGTH      3
+
+#define MPU6050_CLOCK_INTERNAL          0x00
+#define MPU6050_CLOCK_PLL_XGYRO         0x01
+#define MPU6050_CLOCK_PLL_YGYRO         0x02
+#define MPU6050_CLOCK_PLL_ZGYRO         0x03
+#define MPU6050_CLOCK_PLL_EXT32K        0x04
+#define MPU6050_CLOCK_PLL_EXT19M        0x05
+#define MPU6050_CLOCK_KEEP_RESET        0x07
+
+#define MPU6050_PWR2_LP_WAKE_CTRL_BIT       7
+#define MPU6050_PWR2_LP_WAKE_CTRL_LENGTH    2
+#define MPU6050_PWR2_STBY_XA_BIT            5
+#define MPU6050_PWR2_STBY_YA_BIT            4
+#define MPU6050_PWR2_STBY_ZA_BIT            3
+#define MPU6050_PWR2_STBY_XG_BIT            2
+#define MPU6050_PWR2_STBY_YG_BIT            1
+#define MPU6050_PWR2_STBY_ZG_BIT            0
+
+#define MPU6050_WAKE_FREQ_1P25      0x0
+#define MPU6050_WAKE_FREQ_2P5       0x1
+#define MPU6050_WAKE_FREQ_5         0x2
+#define MPU6050_WAKE_FREQ_10        0x3
+
+#define MPU6050_BANKSEL_PRFTCH_EN_BIT       6
+#define MPU6050_BANKSEL_CFG_USER_BANK_BIT   5
+#define MPU6050_BANKSEL_MEM_SEL_BIT         4
+#define MPU6050_BANKSEL_MEM_SEL_LENGTH      5
+
+#define MPU6050_WHO_AM_I_BIT        6
+#define MPU6050_WHO_AM_I_LENGTH     6
+
+#define MPU6050_DMP_MEMORY_BANKS        8
+#define MPU6050_DMP_MEMORY_BANK_SIZE    256
+#define MPU6050_DMP_MEMORY_CHUNK_SIZE   16
+
+// note: DMP code memory blocks defined at end of header file
+
+class MPU6051 {
+    private:
+        I2Cdev2 i2Cdev;
+//        Serial debugSerial;
+    public:
+        MPU6051();
+        MPU6051(uint8_t address);
+
+        void initialize();
+        bool testConnection();
+
+        // AUX_VDDIO register
+        uint8_t getAuxVDDIOLevel();
+        void setAuxVDDIOLevel(uint8_t level);
+
+        // SMPLRT_DIV register
+        uint8_t getRate();
+        void setRate(uint8_t rate);
+
+        // CONFIG register
+        uint8_t getExternalFrameSync();
+        void setExternalFrameSync(uint8_t sync);
+        uint8_t getDLPFMode();
+        void setDLPFMode(uint8_t bandwidth);
+
+        // GYRO_CONFIG register
+        uint8_t getFullScaleGyroRange();
+        void setFullScaleGyroRange(uint8_t range);
+
+        // ACCEL_CONFIG register
+        bool getAccelXSelfTest();
+        void setAccelXSelfTest(bool enabled);
+        bool getAccelYSelfTest();
+        void setAccelYSelfTest(bool enabled);
+        bool getAccelZSelfTest();
+        void setAccelZSelfTest(bool enabled);
+        uint8_t getFullScaleAccelRange();
+        void setFullScaleAccelRange(uint8_t range);
+        uint8_t getDHPFMode();
+        void setDHPFMode(uint8_t mode);
+
+        // FF_THR register
+        uint8_t getFreefallDetectionThreshold();
+        void setFreefallDetectionThreshold(uint8_t threshold);
+
+        // FF_DUR register
+        uint8_t getFreefallDetectionDuration();
+        void setFreefallDetectionDuration(uint8_t duration);
+
+        // MOT_THR register
+        uint8_t getMotionDetectionThreshold();
+        void setMotionDetectionThreshold(uint8_t threshold);
+
+        // MOT_DUR register
+        uint8_t getMotionDetectionDuration();
+        void setMotionDetectionDuration(uint8_t duration);
+
+        // ZRMOT_THR register
+        uint8_t getZeroMotionDetectionThreshold();
+        void setZeroMotionDetectionThreshold(uint8_t threshold);
+
+        // ZRMOT_DUR register
+        uint8_t getZeroMotionDetectionDuration();
+        void setZeroMotionDetectionDuration(uint8_t duration);
+
+        // FIFO_EN register
+        bool getTempFIFOEnabled();
+        void setTempFIFOEnabled(bool enabled);
+        bool getXGyroFIFOEnabled();
+        void setXGyroFIFOEnabled(bool enabled);
+        bool getYGyroFIFOEnabled();
+        void setYGyroFIFOEnabled(bool enabled);
+        bool getZGyroFIFOEnabled();
+        void setZGyroFIFOEnabled(bool enabled);
+        bool getAccelFIFOEnabled();
+        void setAccelFIFOEnabled(bool enabled);
+        bool getSlave2FIFOEnabled();
+        void setSlave2FIFOEnabled(bool enabled);
+        bool getSlave1FIFOEnabled();
+        void setSlave1FIFOEnabled(bool enabled);
+        bool getSlave0FIFOEnabled();
+        void setSlave0FIFOEnabled(bool enabled);
+
+        // I2C_MST_CTRL register
+        bool getMultiMasterEnabled();
+        void setMultiMasterEnabled(bool enabled);
+        bool getWaitForExternalSensorEnabled();
+        void setWaitForExternalSensorEnabled(bool enabled);
+        bool getSlave3FIFOEnabled();
+        void setSlave3FIFOEnabled(bool enabled);
+        bool getSlaveReadWriteTransitionEnabled();
+        void setSlaveReadWriteTransitionEnabled(bool enabled);
+        uint8_t getMasterClockSpeed();
+        void setMasterClockSpeed(uint8_t speed);
+
+        // I2C_SLV* registers (Slave 0-3)
+        uint8_t getSlaveAddress(uint8_t num);
+        void setSlaveAddress(uint8_t num, uint8_t address);
+        uint8_t getSlaveRegister(uint8_t num);
+        void setSlaveRegister(uint8_t num, uint8_t reg);
+        bool getSlaveEnabled(uint8_t num);
+        void setSlaveEnabled(uint8_t num, bool enabled);
+        bool getSlaveWordByteSwap(uint8_t num);
+        void setSlaveWordByteSwap(uint8_t num, bool enabled);
+        bool getSlaveWriteMode(uint8_t num);
+        void setSlaveWriteMode(uint8_t num, bool mode);
+        bool getSlaveWordGroupOffset(uint8_t num);
+        void setSlaveWordGroupOffset(uint8_t num, bool enabled);
+        uint8_t getSlaveDataLength(uint8_t num);
+        void setSlaveDataLength(uint8_t num, uint8_t length);
+
+        // I2C_SLV* registers (Slave 4)
+        uint8_t getSlave4Address();
+        void setSlave4Address(uint8_t address);
+        uint8_t getSlave4Register();
+        void setSlave4Register(uint8_t reg);
+        void setSlave4OutputByte(uint8_t data);
+        bool getSlave4Enabled();
+        void setSlave4Enabled(bool enabled);
+        bool getSlave4InterruptEnabled();
+        void setSlave4InterruptEnabled(bool enabled);
+        bool getSlave4WriteMode();
+        void setSlave4WriteMode(bool mode);
+        uint8_t getSlave4MasterDelay();
+        void setSlave4MasterDelay(uint8_t delay);
+        uint8_t getSlate4InputByte();
+
+        // I2C_MST_STATUS register
+        bool getPassthroughStatus();
+        bool getSlave4IsDone();
+        bool getLostArbitration();
+        bool getSlave4Nack();
+        bool getSlave3Nack();
+        bool getSlave2Nack();
+        bool getSlave1Nack();
+        bool getSlave0Nack();
+
+        // INT_PIN_CFG register
+        bool getInterruptMode();
+        void setInterruptMode(bool mode);
+        bool getInterruptDrive();
+        void setInterruptDrive(bool drive);
+        bool getInterruptLatch();
+        void setInterruptLatch(bool latch);
+        bool getInterruptLatchClear();
+        void setInterruptLatchClear(bool clear);
+        bool getFSyncInterruptLevel();
+        void setFSyncInterruptLevel(bool level);
+        bool getFSyncInterruptEnabled();
+        void setFSyncInterruptEnabled(bool enabled);
+        bool getI2CBypassEnabled();
+        void setI2CBypassEnabled(bool enabled);
+        bool getClockOutputEnabled();
+        void setClockOutputEnabled(bool enabled);
+
+        // INT_ENABLE register
+        uint8_t getIntEnabled();
+        void setIntEnabled(uint8_t enabled);
+        bool getIntFreefallEnabled();
+        void setIntFreefallEnabled(bool enabled);
+        bool getIntMotionEnabled();
+        void setIntMotionEnabled(bool enabled);
+        bool getIntZeroMotionEnabled();
+        void setIntZeroMotionEnabled(bool enabled);
+        bool getIntFIFOBufferOverflowEnabled();
+        void setIntFIFOBufferOverflowEnabled(bool enabled);
+        bool getIntI2CMasterEnabled();
+        void setIntI2CMasterEnabled(bool enabled);
+        bool getIntDataReadyEnabled();
+        void setIntDataReadyEnabled(bool enabled);
+
+        // INT_STATUS register
+        uint8_t getIntStatus();
+        bool getIntFreefallStatus();
+        bool getIntMotionStatus();
+        bool getIntZeroMotionStatus();
+        bool getIntFIFOBufferOverflowStatus();
+        bool getIntI2CMasterStatus();
+        bool getIntDataReadyStatus();
+
+        // ACCEL_*OUT_* registers
+        void getMotion9(int16_t* ax, int16_t* ay, int16_t* az, int16_t* gx, int16_t* gy, int16_t* gz, int16_t* mx, int16_t* my, int16_t* mz);
+        void getMotion6(int16_t* ax, int16_t* ay, int16_t* az, int16_t* gx, int16_t* gy, int16_t* gz);
+        void getAcceleration(int16_t* x, int16_t* y, int16_t* z);
+        int16_t getAccelerationX();
+        int16_t getAccelerationY();
+        int16_t getAccelerationZ();
+
+        // TEMP_OUT_* registers
+        int16_t getTemperature();
+
+        // GYRO_*OUT_* registers
+        void getRotation(int16_t* x, int16_t* y, int16_t* z);
+        int16_t getRotationX();
+        int16_t getRotationY();
+        int16_t getRotationZ();
+
+        // EXT_SENS_DATA_* registers
+        uint8_t getExternalSensorByte(int position);
+        uint16_t getExternalSensorWord(int position);
+        uint32_t getExternalSensorDWord(int position);
+
+        // MOT_DETECT_STATUS register
+        bool getXNegMotionDetected();
+        bool getXPosMotionDetected();
+        bool getYNegMotionDetected();
+        bool getYPosMotionDetected();
+        bool getZNegMotionDetected();
+        bool getZPosMotionDetected();
+        bool getZeroMotionDetected();
+
+        // I2C_SLV*_DO register
+        void setSlaveOutputByte(uint8_t num, uint8_t data);
+
+        // I2C_MST_DELAY_CTRL register
+        bool getExternalShadowDelayEnabled();
+        void setExternalShadowDelayEnabled(bool enabled);
+        bool getSlaveDelayEnabled(uint8_t num);
+        void setSlaveDelayEnabled(uint8_t num, bool enabled);
+
+        // SIGNAL_PATH_RESET register
+        void resetGyroscopePath();
+        void resetAccelerometerPath();
+        void resetTemperaturePath();
+
+        // MOT_DETECT_CTRL register
+        uint8_t getAccelerometerPowerOnDelay();
+        void setAccelerometerPowerOnDelay(uint8_t delay);
+        uint8_t getFreefallDetectionCounterDecrement();
+        void setFreefallDetectionCounterDecrement(uint8_t decrement);
+        uint8_t getMotionDetectionCounterDecrement();
+        void setMotionDetectionCounterDecrement(uint8_t decrement);
+
+        // USER_CTRL register
+        bool getFIFOEnabled();
+        void setFIFOEnabled(bool enabled);
+        bool getI2CMasterModeEnabled();
+        void setI2CMasterModeEnabled(bool enabled);
+        void switchSPIEnabled(bool enabled);
+        void resetFIFO();
+        void resetI2CMaster();
+        void resetSensors();
+
+        // PWR_MGMT_1 register
+        void reset();
+        bool getSleepEnabled();
+        void setSleepEnabled(bool enabled);
+        bool getWakeCycleEnabled();
+        void setWakeCycleEnabled(bool enabled);
+        bool getTempSensorEnabled();
+        void setTempSensorEnabled(bool enabled);
+        uint8_t getClockSource();
+        void setClockSource(uint8_t source);
+
+        // PWR_MGMT_2 register
+        uint8_t getWakeFrequency();
+        void setWakeFrequency(uint8_t frequency);
+        bool getStandbyXAccelEnabled();
+        void setStandbyXAccelEnabled(bool enabled);
+        bool getStandbyYAccelEnabled();
+        void setStandbyYAccelEnabled(bool enabled);
+        bool getStandbyZAccelEnabled();
+        void setStandbyZAccelEnabled(bool enabled);
+        bool getStandbyXGyroEnabled();
+        void setStandbyXGyroEnabled(bool enabled);
+        bool getStandbyYGyroEnabled();
+        void setStandbyYGyroEnabled(bool enabled);
+        bool getStandbyZGyroEnabled();
+        void setStandbyZGyroEnabled(bool enabled);
+
+        // FIFO_COUNT_* registers
+        uint16_t getFIFOCount();
+
+        // FIFO_R_W register
+        uint8_t getFIFOByte();
+        void setFIFOByte(uint8_t data);
+        void getFIFOBytes(uint8_t *data, uint8_t length);
+
+        // WHO_AM_I register
+        uint8_t getDeviceID();
+        void setDeviceID(uint8_t id);
+        
+        // ======== UNDOCUMENTED/DMP REGISTERS/METHODS ========
+        
+        // XG_OFFS_TC register
+        uint8_t getOTPBankValid();
+        void setOTPBankValid(bool enabled);
+        int8_t getXGyroOffset();
+        void setXGyroOffset(int8_t offset);
+
+        // YG_OFFS_TC register
+        int8_t getYGyroOffset();
+        void setYGyroOffset(int8_t offset);
+
+        // ZG_OFFS_TC register
+        int8_t getZGyroOffset();
+        void setZGyroOffset(int8_t offset);
+
+        // X_FINE_GAIN register
+        int8_t getXFineGain();
+        void setXFineGain(int8_t gain);
+
+        // Y_FINE_GAIN register
+        int8_t getYFineGain();
+        void setYFineGain(int8_t gain);
+
+        // Z_FINE_GAIN register
+        int8_t getZFineGain();
+        void setZFineGain(int8_t gain);
+
+        // XA_OFFS_* registers
+        int16_t getXAccelOffset();
+        void setXAccelOffset(int16_t offset);
+
+        // YA_OFFS_* register
+        int16_t getYAccelOffset();
+        void setYAccelOffset(int16_t offset);
+
+        // ZA_OFFS_* register
+        int16_t getZAccelOffset();
+        void setZAccelOffset(int16_t offset);
+
+        // XG_OFFS_USR* registers
+        int16_t getXGyroOffsetUser();
+        void setXGyroOffsetUser(int16_t offset);
+
+        // YG_OFFS_USR* register
+        int16_t getYGyroOffsetUser();
+        void setYGyroOffsetUser(int16_t offset);
+
+        // ZG_OFFS_USR* register
+        int16_t getZGyroOffsetUser();
+        void setZGyroOffsetUser(int16_t offset);
+        
+        // INT_ENABLE register (DMP functions)
+        bool getIntPLLReadyEnabled();
+        void setIntPLLReadyEnabled(bool enabled);
+        bool getIntDMPEnabled();
+        void setIntDMPEnabled(bool enabled);
+        
+        // DMP_INT_STATUS
+        bool getDMPInt5Status();
+        bool getDMPInt4Status();
+        bool getDMPInt3Status();
+        bool getDMPInt2Status();
+        bool getDMPInt1Status();
+        bool getDMPInt0Status();
+
+        // INT_STATUS register (DMP functions)
+        bool getIntPLLReadyStatus();
+        bool getIntDMPStatus();
+        
+        // USER_CTRL register (DMP functions)
+        bool getDMPEnabled();
+        void setDMPEnabled(bool enabled);
+        void resetDMP();
+        
+        // BANK_SEL register
+        void setMemoryBank(uint8_t bank, bool prefetchEnabled=false, bool userBank=false);
+        
+        // MEM_START_ADDR register
+        void setMemoryStartAddress(uint8_t address);
+        
+        // MEM_R_W register
+        uint8_t readMemoryByte();
+        void writeMemoryByte(uint8_t data);
+        void readMemoryBlock(uint8_t *data, uint16_t dataSize, uint8_t bank=0, uint8_t address=0);
+        bool writeMemoryBlock(const uint8_t *data, uint16_t dataSize, uint8_t bank=0, uint8_t address=0, bool verify=true, bool useProgMem=false);
+        bool writeProgMemoryBlock(const uint8_t *data, uint16_t dataSize, uint8_t bank=0, uint8_t address=0, bool verify=true);
+
+        bool writeDMPConfigurationSet(const uint8_t *data, uint16_t dataSize, bool useProgMem=false);
+        bool writeProgDMPConfigurationSet(const uint8_t *data, uint16_t dataSize);
+
+        // DMP_CFG_1 register
+        uint8_t getDMPConfig1();
+        void setDMPConfig1(uint8_t config);
+
+        // DMP_CFG_2 register
+        uint8_t getDMPConfig2();
+        void setDMPConfig2(uint8_t config);
+
+        // special methods for MotionApps 2.0 implementation
+        #ifdef MPU6050_INCLUDE_DMP_MOTIONAPPS20
+            uint8_t *dmpPacketBuffer;
+            uint16_t dmpPacketSize;
+
+            uint8_t dmpInitialize();
+            bool dmpPacketAvailable();
+
+            uint8_t dmpSetFIFORate(uint8_t fifoRate);
+            uint8_t dmpGetFIFORate();
+            uint8_t dmpGetSampleStepSizeMS();
+            uint8_t dmpGetSampleFrequency();
+            int32_t dmpDecodeTemperature(int8_t tempReg);
+            
+            // Register callbacks after a packet of FIFO data is processed
+            //uint8_t dmpRegisterFIFORateProcess(inv_obj_func func, int16_t priority);
+            //uint8_t dmpUnregisterFIFORateProcess(inv_obj_func func);
+            uint8_t dmpRunFIFORateProcesses();
+            
+            // Setup FIFO for various output
+            uint8_t dmpSendQuaternion(uint_fast16_t accuracy);
+            uint8_t dmpSendGyro(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendAccel(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendLinearAccel(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendLinearAccelInWorld(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendControlData(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendSensorData(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendExternalSensorData(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendGravity(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendPacketNumber(uint_fast16_t accuracy);
+            uint8_t dmpSendQuantizedAccel(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendEIS(uint_fast16_t elements, uint_fast16_t accuracy);
+
+            // Get Fixed Point data from FIFO
+            uint8_t dmpGetAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternion(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternion(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternion(Quaternion *q, const uint8_t* packet=0);
+            uint8_t dmpGet6AxisQuaternion(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGet6AxisQuaternion(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGet6AxisQuaternion(Quaternion *q, const uint8_t* packet=0);
+            uint8_t dmpGetRelativeQuaternion(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetRelativeQuaternion(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetRelativeQuaternion(Quaternion *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyro(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyro(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyro(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpSetLinearAccelFilterCoefficient(float coef);
+            uint8_t dmpGetLinearAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccel(VectorInt16 *v, VectorInt16 *vRaw, VectorFloat *gravity);
+            uint8_t dmpGetLinearAccelInWorld(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccelInWorld(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccelInWorld(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccelInWorld(VectorInt16 *v, VectorInt16 *vReal, Quaternion *q);
+            uint8_t dmpGetGyroAndAccelSensor(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroAndAccelSensor(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroAndAccelSensor(VectorInt16 *g, VectorInt16 *a, const uint8_t* packet=0);
+            uint8_t dmpGetGyroSensor(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroSensor(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroSensor(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetControlData(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetTemperature(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(VectorFloat *v, Quaternion *q);
+            uint8_t dmpGetUnquantizedAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetUnquantizedAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetUnquantizedAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetQuantizedAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuantizedAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuantizedAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetExternalSensorData(int32_t *data, uint16_t size, const uint8_t* packet=0);
+            uint8_t dmpGetEIS(int32_t *data, const uint8_t* packet=0);
+            
+            uint8_t dmpGetEuler(float *data, Quaternion *q);
+            uint8_t dmpGetYawPitchRoll(float *data, Quaternion *q, VectorFloat *gravity);
+
+            // Get Floating Point data from FIFO
+            uint8_t dmpGetAccelFloat(float *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternionFloat(float *data, const uint8_t* packet=0);
+
+            uint8_t dmpProcessFIFOPacket(const unsigned char *dmpData);
+            uint8_t dmpReadAndProcessFIFOPacket(uint8_t numPackets, uint8_t *processed=NULL);
+
+            uint8_t dmpSetFIFOProcessedCallback(void (*func) (void));
+
+            uint8_t dmpInitFIFOParam();
+            uint8_t dmpCloseFIFO();
+            uint8_t dmpSetGyroDataSource(uint8_t source);
+            uint8_t dmpDecodeQuantizedAccel();
+            uint32_t dmpGetGyroSumOfSquare();
+            uint32_t dmpGetAccelSumOfSquare();
+            void dmpOverrideQuaternion(long *q);
+            uint16_t dmpGetFIFOPacketSize();
+        #endif
+
+        // special methods for MotionApps 4.1 implementation
+        #ifdef MPU6050_INCLUDE_DMP_MOTIONAPPS41
+            uint8_t *dmpPacketBuffer;
+            uint16_t dmpPacketSize;
+
+            uint8_t dmpInitialize();
+            bool dmpPacketAvailable();
+
+            uint8_t dmpSetFIFORate(uint8_t fifoRate);
+            uint8_t dmpGetFIFORate();
+            uint8_t dmpGetSampleStepSizeMS();
+            uint8_t dmpGetSampleFrequency();
+            int32_t dmpDecodeTemperature(int8_t tempReg);
+            
+            // Register callbacks after a packet of FIFO data is processed
+            //uint8_t dmpRegisterFIFORateProcess(inv_obj_func func, int16_t priority);
+            //uint8_t dmpUnregisterFIFORateProcess(inv_obj_func func);
+            uint8_t dmpRunFIFORateProcesses();
+            
+            // Setup FIFO for various output
+            uint8_t dmpSendQuaternion(uint_fast16_t accuracy);
+            uint8_t dmpSendGyro(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendAccel(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendLinearAccel(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendLinearAccelInWorld(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendControlData(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendSensorData(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendExternalSensorData(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendGravity(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendPacketNumber(uint_fast16_t accuracy);
+            uint8_t dmpSendQuantizedAccel(uint_fast16_t elements, uint_fast16_t accuracy);
+            uint8_t dmpSendEIS(uint_fast16_t elements, uint_fast16_t accuracy);
+
+            // Get Fixed Point data from FIFO
+            uint8_t dmpGetAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternion(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternion(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternion(Quaternion *q, const uint8_t* packet=0);
+            uint8_t dmpGet6AxisQuaternion(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGet6AxisQuaternion(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGet6AxisQuaternion(Quaternion *q, const uint8_t* packet=0);
+            uint8_t dmpGetRelativeQuaternion(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetRelativeQuaternion(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetRelativeQuaternion(Quaternion *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyro(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyro(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyro(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetMag(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpSetLinearAccelFilterCoefficient(float coef);
+            uint8_t dmpGetLinearAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccel(VectorInt16 *v, VectorInt16 *vRaw, VectorFloat *gravity);
+            uint8_t dmpGetLinearAccelInWorld(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccelInWorld(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccelInWorld(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetLinearAccelInWorld(VectorInt16 *v, VectorInt16 *vReal, Quaternion *q);
+            uint8_t dmpGetGyroAndAccelSensor(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroAndAccelSensor(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroAndAccelSensor(VectorInt16 *g, VectorInt16 *a, const uint8_t* packet=0);
+            uint8_t dmpGetGyroSensor(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroSensor(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGyroSensor(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetControlData(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetTemperature(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetGravity(VectorFloat *v, Quaternion *q);
+            uint8_t dmpGetUnquantizedAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetUnquantizedAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetUnquantizedAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetQuantizedAccel(int32_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuantizedAccel(int16_t *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuantizedAccel(VectorInt16 *v, const uint8_t* packet=0);
+            uint8_t dmpGetExternalSensorData(int32_t *data, uint16_t size, const uint8_t* packet=0);
+            uint8_t dmpGetEIS(int32_t *data, const uint8_t* packet=0);
+            
+            uint8_t dmpGetEuler(float *data, Quaternion *q);
+            uint8_t dmpGetYawPitchRoll(float *data, Quaternion *q, VectorFloat *gravity);
+
+            // Get Floating Point data from FIFO
+            uint8_t dmpGetAccelFloat(float *data, const uint8_t* packet=0);
+            uint8_t dmpGetQuaternionFloat(float *data, const uint8_t* packet=0);
+
+            uint8_t dmpProcessFIFOPacket(const unsigned char *dmpData);
+            uint8_t dmpReadAndProcessFIFOPacket(uint8_t numPackets, uint8_t *processed=NULL);
+
+            uint8_t dmpSetFIFOProcessedCallback(void (*func) (void));
+
+            uint8_t dmpInitFIFOParam();
+            uint8_t dmpCloseFIFO();
+            uint8_t dmpSetGyroDataSource(uint8_t source);
+            uint8_t dmpDecodeQuantizedAccel();
+            uint32_t dmpGetGyroSumOfSquare();
+            uint32_t dmpGetAccelSumOfSquare();
+            void dmpOverrideQuaternion(long *q);
+            uint16_t dmpGetFIFOPacketSize();
+        #endif
+
+    private:
+        uint8_t devAddr;
+        uint8_t buffer[14];
+};
+
+#endif /* _MPU6050_H_ */
\ No newline at end of file