main.cpp

00001 #include "mbed.h"
00002 
00003 I2C link(I2C_SDA, I2C_SCL);
00004 const int addr = 0x7C;
00005 
00006 void Init(void){
00007     char cmd[2];
00008     cmd[0] = 0x80;
00009     cmd[1] = 0x3F;
00010     link.write(addr,cmd,2);
00011     wait_us(100);
00012     
00013     cmd[1] = 0x0F;
00014     link.write(addr,cmd,2);
00015     wait_us(100);
00016     
00017     cmd[1] = 0x01;
00018     link.write(addr,cmd,2);
00019     wait_ms(2);
00020     
00021     cmd[1] = 0x06;
00022     link.write(addr,cmd,2);
00023 
00024     cmd[1] = 0xC0;
00025     link.write(addr,cmd,2);
00026     wait_us(100);
00027 }
00028 
00029 
00030 int main(void){
00031     char data[3];
00032     
00033     data[0] = 0x40;
00034     data[1] = '0';
00035     data[2] = '0';
00036     
00037     while(1){
00038         Init();
00039         link.write(addr,data,3);
00040         if (data[2] < '9'){
00041             data[2]++;
00042         }else{
00043             data[2] = '0';
00044             if(data[1] < '5'){
00045                 data[1]++;
00046             }else{
00047                 data[1] = '0';   
00048             }
00049         }
00050         wait(0.5);
00051     }
00052 }