I2Cdev.h

00001 //ported from arduino library: https://github.com/jrowberg/i2cdevlib/tree/master/Arduino/MPU6050
00002 //written by szymon gaertig (email: szymon@gaertig.com.pl)
00003 //
00004 //Changelog:
00005 //2013-01-08 - first beta release
00006 
00007 #ifndef I2Cdev_h
00008 #define I2Cdev_h
00009 
00010 #include "mbed.h"
00011 
00012 #define I2C_SDA p9
00013 #define I2C_SCL p10
00014 
00015 class I2Cdev
00016 {
00017 private:
00018     I2C i2c;
00019 
00020 public:
00021     Serial debugSerial;
00022     I2Cdev();
00023     I2Cdev(PinName i2cSda, PinName i2cScl);
00024 
00025     int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00026     int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00027     int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00028     int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00029     int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00030     int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00031     int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00032     int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00033 
00034     bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
00035     bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
00036     bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
00037     bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
00038     bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
00039     bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
00040     bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data);
00041     bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data);
00042 
00043     static uint16_t readTimeout(void);
00044 };
00045 
00046 #endif