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 PB_9 //PB_9
00013 #define I2C_SCL PB_8//PB_8
00014 //extern Serial pc; 
00015 class I2Cdev {
00016     private:
00017         I2C i2c;
00018         //Serial debugSerial;
00019     public:
00020         I2Cdev();
00021         I2Cdev(PinName i2cSda, PinName i2cScl);        
00022         
00023         int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00024         int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00025         int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00026         int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00027         int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00028         int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00029         int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout());
00030         int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout());
00031 
00032         bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
00033         bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
00034         bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
00035         bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
00036         bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
00037         bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
00038         bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data);
00039         bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data);
00040 
00041         static uint16_t readTimeout(void);
00042         void frequency(uint8_t freq);
00043 };
00044 
00045 #endif