I2CTester.cpp

00001 #include "mbed.h"
00002 #include "PCF8575.h"
00003 
00004 Serial pc(USBTX, USBRX); // tx, rx
00005 
00006 //SETUP AND INITIAL DEFINITION
00007 PCF8575 IC(p9, p10, 0x40);          // 0x40 means the A0-2 is LOW
00008 PCF8575 IC2(p9, p10, 0x44);         // 0x42 means the A0 is HIGH and A1-2 is LOW
00009 DigitalOut myled(LED1);
00010 
00011 char seventeen = 0xFF00;
00012 int sixteen = 0x4000;
00013 int fifteen = 0x2000;
00014 int fourteen = 0x1000;
00015 int thirteen = 0x0800;
00016 int twelve = 0x0400;
00017 int eleven = 0x0200;
00018 int ten = 0x0100;
00019 int seven = 0x0080;
00020 int six = 0x0040;
00021 int five = 0x0020;
00022 int four = 0x0010;
00023 int three = 0x0008;
00024 int two = 0x0004;
00025 int one = 0x0002;
00026 int zero = 0x0001;  
00027 
00028 
00029 int main()
00030 {
00031     pc.printf("Start");
00032     while (1) {
00033         IC.write(seventeen);
00034         IC.write(zero); 
00035          
00036         
00037         //IC2.write(0xFFFF);
00038         myled = 1;
00039           
00040    
00041         wait(1);
00042 
00043         IC.write(0x0000);
00044         //IC2.write(0x0000);
00045         myled=0;
00046         wait(1);
00047   
00048     }
00049 }