I2Cdev.h

00001 #ifndef _I2CDEV_H_
00002 #define _I2CDEV_H_
00003 #include "mbed.h"
00004 
00005 #define I2CDEV_DEFAULT_READ_TIMEOUT     1000
00006 class I2Cdev {
00007     public:
00008         I2Cdev();
00009         
00010         static void init();
00011         static int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
00012         static int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
00013         static int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
00014         static int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
00015         static int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
00016         static int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
00017         static int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
00018         static int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
00019 
00020         static bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
00021         static bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
00022         static bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
00023         static bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
00024         static bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
00025         static bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
00026         static bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data);
00027         static bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data);
00028 
00029         static uint16_t readTimeout;
00030 };
00031 
00032 #endif /* _I2CDEV_H_ */