EEprom i2c 24AA08 & 24LC08 (no Address pin) library control
Ee24xx08.cpp
- Committer:
- mederic
- Date:
- 2014-09-10
- Revision:
- 0:e295d3596c85
File content as of revision 0:e295d3596c85:
#include "Ee24xx08.h" //***********************************/************************************ // Constructors // //***********************************/************************************ Ee24xx08::Ee24xx08(I2C *i2c):_i2c(i2c) { } //***********************************/************************************ // Public Methods // //***********************************/************************************ bool Ee24xx08::write(const short addr, const char byte) { char i2cBuffer[2]; i2cBuffer[0] = (unsigned char)addr; //8lsb of address word i2cBuffer[1] = byte; //byte to write return _i2c->write(EE24xx08ADDR|((addr>>7)&0X0E),i2cBuffer,2); //i2c adress + page adress & data send } bool Ee24xx08::write(const short addr, const char* buffer,const int len) { char i2cBuffer[len+1]; i2cBuffer[0] = (unsigned char)addr; memcpy(i2cBuffer+1,buffer,len); return _i2c->write(EE24xx08ADDR|((addr>>7)&0X0E),i2cBuffer,len); } bool Ee24xx08::read(const short addr, char *byte) { if(_i2c->write(EE24xx08ADDR|((addr>>7)&0X0E),(char*)&addr,1,true)) { return true; } return _i2c->read(EE24xx08ADDR|((addr>>7)&0X0E),byte,1); } bool Ee24xx08::read(const short addr, char *buffer, const int len) { if(_i2c->write(EE24xx08ADDR|((addr>>7)&0X0E),(char*)&addr,1,true)) { return true; } return _i2c->read(EE24xx08ADDR|((addr>>7)&0X0E),buffer,len); }