Thanks for the help, I just have one more error:
C:\Program Files (x86)\arduino-0022\libraries\AM9111\AM9111.cpp: In member function 'int AM9111::_read()':
C:\Program Files (x86)\arduino-0022\libraries\AM9111\AM9111.cpp:74: error: lvalue required as left operand of assignment
and here is my code:
header:
#ifndef AM9111_h
#define AM9111_h
#include "WProgram.h"
class AM9111
{
public:
AM9111(uint8_t outputDisablePin, uint8_t writeEnablePin); // constructor wit two pind
int read(unsigned int address);
int write(unsigned int address, uint8_t value);
int setIO(uint8_t IO0, uint8_t IO1, uint8_t IO2, uint8_t IO3);
private:
void _setAddress(unsigned int address);
int _read();
int _write(uint8_t value);
// internal pin admin
uint8_t _odp;
uint8_t _wep;
uint8_t _IO[];
uint8_t _rbits;
};
#endif
source:
#include "AM9111.h"
#include "WProgram.h"
/////////////////////////////////////////
//
// PUBLIC
//
AM9111::AM9111(uint8_t outputDisablePin, uint8_t writeEnablePin)
{
_odp = outputDisablePin;
_wep = writeEnablePin;
}
int AM9111::setIO(uint8_t IO0, uint8_t IO1, uint8_t IO2, uint8_t IO3)
{
_IO[0] = IO0;
_IO[1] = IO1;
_IO[2] = IO2;
_IO[3] = IO3;
}
int AM9111::read(unsigned int address)
{
int rv = 0;
_setAddress(address);
rv = _read();
return rv;
}
int AM9111::write(unsigned int address, uint8_t value)
{
int rv = 0;
_setAddress(address);
rv = _write(value);
return rv;
}
/////////////////////////////////////////
//
// PRIVATE
//
void AM9111::_setAddress(unsigned int address)
{
for(int p=0; p<8; p++)
{
pinMode(p, OUTPUT);
digitalWrite(p, bitRead(address, p));
}
}
int AM9111::_read()
{
digitalWrite(_odp,0);
digitalWrite(_wep,1);
int rv = 0;
bitWrite(_rbits,0,digitalRead(_IO[0]));
bitWrite(_rbits,1,digitalRead(_IO[1]));
bitWrite(_rbits,2,digitalRead(_IO[2]));
bitWrite(_rbits,3,digitalRead(_IO[3]));
_read() = _rbits;
return rv;
}
int AM9111::_write(uint8_t value)
{
digitalWrite(_odp,1);
digitalWrite(_wep,0);
int rv = 0;
digitalWrite(_IO[0],bitRead(0,value));
digitalWrite(_IO[1],bitRead(1,value));
digitalWrite(_IO[2],bitRead(2,value));
digitalWrite(_IO[3],bitRead(3,value));
return rv;
}
Program:
#include <AM9111.h>
AM9111 ram(12,13);
void setup()
{
Serial.begin(9600);
ram.setIO(8,9,10,11);
ram.write(0,12);
Serial.print("Read: ");
Serial.print(ram.read(0));
};
void loop(){};