main.cpp

00001 /**
00002  * USB to UART Bridge
00003  */
00004  
00005 #include "mbed.h"
00006 #include "USBSerial.h"
00007 
00008 // Serial TX Pin19, Serial RX Pin20
00009 // Using port and pin names as the mbed definitions pin defs for the M0 are incorrect
00010 Serial uart(P1_13, P1_14);
00011 USBSerial pc;
00012 
00013 // Called by ISR
00014 void settingsChanged(int baud, int bits, int parity, int stop)
00015 {
00016     const Serial::Parity parityTable[] = {Serial::None, Serial::Odd, Serial::Even, Serial::Forced0, Serial::Forced1};
00017     
00018     if (stop != 2) {
00019         stop = 1;   // stop bit(s) = 1 or 1.5
00020     }
00021     
00022     uart.baud(baud);
00023     uart.format(bits, parityTable[parity], stop);
00024 }
00025 
00026 int main()
00027 {
00028     pc.attach(settingsChanged);
00029     
00030     while (1) {
00031         while (uart.readable()) {
00032            pc.putc(uart.getc());
00033         }
00034         
00035         while (pc.readable()) {
00036             uart.putc(pc.getc());
00037         }
00038     }
00039 }