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 
00015 //#define I2C_SDA PTC9
00016 //#define I2C_SCL PTC8
00017 
00018 
00019 class I2Cdev {
00020     private:
00021         I2C i2c;
00022         Serial debugSerial;
00023     public:
00024         I2Cdev();
00025         I2Cdev(PinName i2cSda, PinName i2cScl);        
00026         
00027         int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00028         int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00029         int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00030         int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00031         int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00032         int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00033         int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00034         int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00035 
00036         bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
00037         bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
00038         bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
00039         bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
00040         bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
00041         bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
00042         bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data);
00043         bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data);
00044 
00045         static uint16_t readTimeout(void);
00046 };
00047 
00048 #endif