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MMA8452Q.h
- Committer:
- nghiajenius_dev
- Date:
- 2017-09-26
- Revision:
- 1:a60695b04510
- Parent:
- 0:c315c3fd48fb
File content as of revision 1:a60695b04510:
/* Copyright (c) 2013-2015 Design Methodology Lab */ /* * Copyright (c) 2010-2011 mbed.org, MIT License * * 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 MMA8452Q_H #define MMA8452Q_H #include "mbed.h" /** * MMA8452Q accelerometer example * * @code #include "mbed.h" #include "MMA8452Q.h" #if defined (TARGET_KL25Z) #define PIN_SCL PTE1 #define PIN_SDA PTE0 #elif defined (TARGET_KL46Z) #define PIN_SCL PTE1 #define PIN_SDA PTE0 #elif defined (TARGET_K64F) #define PIN_SCL PTE24 #define PIN_SDA PTE25 #elif defined (TARGET_K22F) #define PIN_SCL PTE1 #define PIN_SDA PTE0 #elif defined (TARGET_KL05Z) #define PIN_SCL PTB3 #define PIN_SDA PTB4 #elif define (TARGET_F411RE) #define PIN_SCL PB_8 #define PIN_SDA PB_9 #else #error TARGET NOT DEFINED #endif #define MMA8452_I2C_ADDRESS (0x1d) int main(void) { float x, y, z ; MMA8452Q acc(PIN_SDA, PIN_SCL, MMA8452_I2C_ADDRESS); while (true) { x = acc.getAccX() ; y = acc.getAccY() ; z = acc.getAccZ() ; printf("X[%.2f] Y[%.2f] Z[%.2f]\n",x, y, z) ; wait(0.1); } } * @endcode */ class MMA8452Q { public: /** * MMA8452Q constructor * * @param sda SDA pin * @param sdl SCL pin * @param addr addr of the I2C peripheral */ MMA8452Q(PinName sda, PinName scl, int addr); /** * MMA8452Q destructor */ ~MMA8452Q(); /** * Get the value of the WHO_AM_I register * * @returns WHO_AM_I value */ uint8_t getWhoAmI(); /** * Get X axis acceleration * * @returns X axis acceleration */ float getAccX(); /** * Get Y axis acceleration * * @returns Y axis acceleration */ float getAccY(); /** * Get Z axis acceleration * * @returns Z axis acceleration */ float getAccZ(); /** * Get XYZ axis acceleration * * @param res array where acceleration data will be stored */ void getAccAllAxis(float * res); private: I2C m_i2c; int m_addr; void readRegs(int addr, uint8_t * data, int len); void writeRegs(uint8_t * data, int len); int16_t getAccAxis(uint8_t addr); }; #endif