Example_Bridge.cpp

00001 /// @file Example_Bridge.cpp
00002 /// @brief Forwarding every byte from USB to uart and vice versa
00003 /// 
00004 /// - Uses SerialDriver with USBTX and USBRX.
00005 /// - Uses SerialDriver with p13 and p14.
00006 /// 
00007 /// - LED1 indicates forwarding pc to uart works
00008 /// - LED2 indicates forwarding uart to pc works
00009 /// - LED4 indicates a parallel thread running
00010 /// 
00011 /// - connect p13 with p14 to get a hardware null modem ;)
00012 
00013 #if 0
00014 
00015 #include "SerialDriver.h"
00016 
00017 SerialDriver pc(USBTX, USBRX);
00018 SerialDriver uart(p13, p14);
00019 DigitalOut led1(LED1), led2(LED2), led4(LED4);
00020 
00021 // This thread forwards from pc to uart
00022 void forwardPc(void const * argument)
00023 {
00024     // Sometimes You're the Hammer, 
00025     while(1)
00026     {    
00027         uart.putc(pc.getc());
00028         led1= !led1;    
00029     }
00030 }
00031 
00032 // This thread forwards from uart to pc
00033 void forwardUart(void const * argument)
00034 {
00035     // Sometimes You're the Nail
00036     while(1)
00037     {      
00038         pc.putc(uart.getc());
00039         led2= !led2;    
00040     }
00041 }
00042 
00043 int main()
00044 {
00045     // setup serial ports
00046     pc.baud(9600);
00047     uart.baud(38400);
00048     
00049     // Start the forwarding threads
00050     Thread forwardPcThread(&forwardPc);
00051     Thread forwardUartThread(&forwardUart);
00052     
00053     // Do something else now  
00054     while(1)
00055     {
00056         Thread::wait(20);
00057         led4= !led4;
00058     }
00059 }
00060 
00061 #endif
00062