main.cpp

00001 /*
00002  *  mbed + LPCXpresso_baseboard demo code
00003  *
00004  *   This code has been made for a training session. 
00005  *
00006  *   With this code, the mbed drives PCA9532 to control 16 LEDs. 
00007  *
00008  *  Copyright (c) 2010 NXP Semiconductors Japan
00009  *  Released under the MIT License: http://mbed.org/license/mit
00010  *
00011  *  revision 1.0  16-Feb-2010   1st release
00012  */
00013 
00014 #include "mbed.h"
00015 
00016 I2C i2c( p28, p27 );        // sda, scl
00017 
00018 const int PCA9532_addr  = 0xC0; // define the I2C Address
00019 
00020 const char  data[2][5]  = {
00021                             { 0x16, 0x00, 0x00, 0x00, 0x00 },
00022                             { 0x16, 0x55, 0x55, 0x55, 0x55 }
00023                           };
00024 
00025 int main() {
00026 
00027     char    i   = 0;
00028 
00029     while ( 1 )
00030     {
00031         i2c.write( PCA9532_addr, data[ i++ & 0x1 ], 5 );
00032         wait( 0.5 );
00033     }
00034 }
00035