main.cpp

00001 #include "mbed.h"
00002  
00003 Serial uart0(PA_13, PA_14); // tx, rx
00004 Serial uart2(PC_10, PC_11); // tx, rx
00005 DigitalOut myD1(D10);
00006 DigitalOut myD2(D11);
00007 DigitalOut myD3(D12);
00008 DigitalOut myD4(D2);
00009 AnalogIn myA1(A1);
00010 AnalogIn myA2(A2);
00011 AnalogIn myA3(A3);
00012 PwmOut PWM1(D3);
00013 PwmOut PWM2(D5);
00014 PwmOut PWM3(D6);
00015 DigitalIn myButton(PC_06);
00016  
00017 Timeout digitalTimeout;
00018 Timeout analogTimeout; 
00019 void attimeoutD()
00020 {
00021     static int pos = 0;
00022     if(pos == 0){
00023         myD1 = 0;
00024         myD2 = 0;
00025         myD3 = 0;
00026         myD4 = 0; 
00027     }else{
00028         myD1 = 1;
00029         myD2 = 1;
00030         myD3 = 1;
00031         myD4 = 1;
00032     }
00033     pos = !pos;
00034     digitalTimeout.attach(&attimeoutD,0.5);
00035 }
00036 void attimeoutA()
00037 {
00038     uart0.printf("A1:%02fV  ",myA1.read()*3.3);
00039     uart0.printf("A2:%02fV  ",myA2.read()*3.3);
00040     uart0.printf("A3:%02fV  \r\n",myA3.read()*3.3);
00041     analogTimeout.attach(&attimeoutA,1); 
00042 }
00043  
00044 int main() {
00045     uart0.baud(9600);
00046     uart2.baud(9600);   
00047     PWM1.period_us(500);
00048     PWM2.period_us(500);
00049     PWM3.period_us(500);
00050     PWM1 = 0.2;
00051     PWM2 = 0.5; 
00052     PWM3 = 0.8;
00053     uart2.printf("uart2:for Loopback test,please input something\n");
00054     uart0.printf("start testing digitalOut and PWM and analogIn\r\n");
00055     digitalTimeout.attach(&attimeoutD,0.5);
00056     analogTimeout.attach(&attimeoutA,1);
00057     
00058     while(1) {
00059         if (myButton == 0) { 
00060           uart0.printf("User Button is Pressed!!!\r\n");
00061         }
00062         if(uart2.readable()){
00063           char ch = uart2.getc();
00064           uart2.printf("%c", ch);
00065         }
00066     }
00067 }