main.cpp

00001 #include "mbed.h"
00002 #include "USBHostSerial.h"
00003 
00004 DigitalOut led(LED1);
00005 DigitalOut led2(LED2);
00006 DigitalOut led3(LED3);
00007 DigitalOut led4(LED4);
00008 
00009 Serial pc(USBTX, USBRX);
00010 int chronos_answer[10] ;
00011 
00012 void serial_task(void const*)
00013 {
00014     USBHostSerial serial;
00015 
00016 
00017     while(!serial.connect())
00018         Thread::wait(500);
00019 
00020     serial.baud(115200) ;
00021 
00022     pc.printf("chronos init ...\n") ;
00023 
00024     serial.putc(0xff) ;
00025     serial.putc(0x07) ;
00026     serial.putc(0x03) ;
00027     pc.printf("chronos init completed ...\n") ;
00028 
00029 
00030     while(1) {
00031 
00032         // send read request to chronos
00033         serial.putc(0xFF);
00034         serial.putc(0x08);
00035         serial.putc(0x07);
00036         serial.putc(0x00);
00037         serial.putc(0x00);
00038         serial.putc(0x00);
00039         serial.putc(0x00);
00040         Thread::wait(15);
00041 
00042 
00043         // put received characters on an array
00044         int i = 0 ;
00045         while (serial.available()) {
00046             int c_in = serial.getc() ;
00047             chronos_answer[i++] = c_in ;
00048         }
00049         int button = chronos_answer[3] ;
00050         if(button != 255) {
00051             printf("Button received : %d\n", button ) ;
00052             switch(button) {
00053                 case 18 :       // * button
00054                     led2 = 1 ;
00055                     led3 = 0 ;
00056                     led4 = 0 ;
00057                     break ;
00058                 case 50 :       // up button
00059                     led2 = 0 ;
00060                     led3 = 1 ;
00061                     led4 = 0 ;
00062                     break ;
00063                 case 34 :       // # button
00064                     led2 = 0 ;
00065                     led3 = 0 ;
00066                     led4 = 1 ;
00067                     break ;
00068 
00069             }
00070         }
00071 
00072 
00073         Thread::wait(50);
00074 
00075     }
00076 }
00077 
00078 int main()
00079 {
00080     Thread serialTask(serial_task, NULL, osPriorityNormal, 256 * 4);
00081     while(1) {
00082         led=!led;
00083         Thread::wait(500);
00084     }
00085 }