ENGO333_I2C.cpp

00001 #include "ENGO333_I2C.h"
00002 
00003 ENGO333_I2C::ENGO333_I2C(PinName sda, PinName scl) : i2c(sda, scl)
00004 {
00005     // Do nothing
00006 }
00007 
00008 ENGO333_I2C::~ENGO333_I2C()
00009 {
00010     // Do nothing
00011 }
00012 
00013 void ENGO333_I2C::setSpeed(int freq)
00014 {
00015     this->i2c.frequency(freq);
00016 }
00017 
00018 void ENGO333_I2C::writeOneByte(char deviceAddress, char registerAddress, char value)
00019 {
00020     char temp[2];
00021     temp[0] = registerAddress;
00022     temp[1] = value;
00023     this->i2c.write(deviceAddress, temp, 2);
00024 }
00025 
00026 char ENGO333_I2C::readOneByte(char deviceAddress, char registerAddress)
00027 {
00028     char temp = 0;
00029     this->i2c.write(deviceAddress, &registerAddress, 1);
00030     this->i2c.read(deviceAddress, &temp, 1);
00031     return (char)temp;
00032 }
00033 
00034 void ENGO333_I2C::readBytes(char deviceAddress, char registerAddress, char* value, int length)
00035 {
00036     this->i2c.write(deviceAddress, &registerAddress, 1);
00037     this->i2c.read(deviceAddress, value, length);
00038 }
00039