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 PTE0
00013 #define I2C_SCL PTE1
00014 //#define I2C_SDA PTE0
00015 //#define I2C_SCL PTE1
00016 
00017 
00018 class I2Cdev {
00019     private:
00020         I2C i2c;
00021         //Serial debugSerial;
00022     public:
00023         I2Cdev();
00024         I2Cdev(PinName i2cSda, PinName i2cScl);        
00025         
00026         int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00027         int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00028         int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00029         int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00030         int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00031         int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00032         int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00033         int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00034 
00035         bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
00036         bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
00037         bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
00038         bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
00039         bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
00040         bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
00041         bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data);
00042         bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data);
00043 
00044         static uint16_t readTimeout(void);
00045 };
00046 
00047 #endif