Example_Nullmodem.cpp

00001 /// @file Example_Nullmodem.cpp
00002 /// @brief USB null modem
00003 /// 
00004 /// - Uses SerialDriver with USBTX and USBRX.
00005 /// - Send back every received byte.
00006 /// 
00007 /// - LED1 indicates waiting for @ref SerialDriver::getc
00008 /// - LED2 indicates waiting for @ref SerialDriver::putc
00009 /// - LED4 indicates a parallel thread running
00010 
00011 #if 0
00012 
00013 #include "SerialDriver.h"
00014 
00015 SerialDriver pc(USBTX, USBRX);
00016 DigitalOut led1(LED1), led2(LED2), led4(LED4);
00017 
00018 // This thread is emulating a null modem
00019 void nullmodem(void const * argument)
00020 {
00021     pc.baud(9600);
00022     
00023     int c;
00024     while(1)
00025     {
00026         led1= 1;
00027         c= pc.getc();
00028         led1= 0;
00029         
00030         led2= 1;
00031         pc.putc(c);
00032         led2= 0;
00033     }
00034 }
00035 
00036 int main()
00037 {
00038     // Start the null modem
00039     Thread nullmodemTask(&nullmodem);
00040     
00041     // Do something else now  
00042     while(1)
00043     {
00044         Thread::wait(20);
00045         led4= !led4;
00046     }
00047 }
00048 
00049 #endif
00050