Yihui Xiong / Mbed 2 deprecated USB2UART

A USB to UART bridge

Dependencies:   USBDevice BufferedSerial mbed

main.cpp@2:427b69ad737c, 2013-12-25 (annotated)

Committer:
yihui
Date:
Wed Dec 25 03:04:09 2013 +0000
Revision:
2:427b69ad737c
Parent:
1:efa9f62a12c4
Child:
3:2b4d2284bab0
add led indicator

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 0:8c4eea221dcf 1 /**
yihui 0:8c4eea221dcf 2 * USB to UART Bridge
yihui 0:8c4eea221dcf 3 */
yihui 0:8c4eea221dcf 4
yihui 0:8c4eea221dcf 5 #include "mbed.h"
yihui 0:8c4eea221dcf 6 #include "USBSerial.h"
yihui 0:8c4eea221dcf 7
yihui 0:8c4eea221dcf 8 Serial uart(USBTX, USBRX);
yihui 0:8c4eea221dcf 9 USBSerial pc;
yihui 2:427b69ad737c 10 DigitalOut led1(LED1);
yihui 2:427b69ad737c 11 DigitalOut led2(LED2);
yihui 2:427b69ad737c 12 DigitalOut led3(LED3);
yihui 0:8c4eea221dcf 13
yihui 0:8c4eea221dcf 14 // Called by ISR
yihui 0:8c4eea221dcf 15 void settingsChanged(int baud, int bits, int parity, int stop)
yihui 0:8c4eea221dcf 16 {
yihui 0:8c4eea221dcf 17 const Serial::Parity parityTable[] = {Serial::None, Serial::Odd, Serial::Even, Serial::Forced0, Serial::Forced1};
yihui 0:8c4eea221dcf 18
yihui 2:427b69ad737c 19
yihui 2:427b69ad737c 20 led1 = 1;
yihui 0:8c4eea221dcf 21 if (stop != 2) {
yihui 0:8c4eea221dcf 22 stop = 1; // stop bit(s) = 1 or 1.5
yihui 0:8c4eea221dcf 23 }
yihui 0:8c4eea221dcf 24 uart.baud(baud);
yihui 0:8c4eea221dcf 25 uart.format(bits, parityTable[parity], stop);
yihui 2:427b69ad737c 26 led1 = 0;
yihui 0:8c4eea221dcf 27 }
yihui 0:8c4eea221dcf 28
yihui 0:8c4eea221dcf 29 int main()
yihui 0:8c4eea221dcf 30 {
yihui 0:8c4eea221dcf 31 pc.attach(settingsChanged);
yihui 0:8c4eea221dcf 32
yihui 0:8c4eea221dcf 33 while (1) {
yihui 0:8c4eea221dcf 34 while (uart.readable()) {
yihui 2:427b69ad737c 35 led2 = 1;
yihui 2:427b69ad737c 36 pc.putc(uart.getc());
yihui 2:427b69ad737c 37 led2 = 0;
yihui 0:8c4eea221dcf 38 }
yihui 0:8c4eea221dcf 39
yihui 0:8c4eea221dcf 40 while (pc.readable()) {
yihui 2:427b69ad737c 41 led3 = 1;
yihui 0:8c4eea221dcf 42 uart.putc(pc.getc());
yihui 2:427b69ad737c 43 led3 = 0;
yihui 0:8c4eea221dcf 44 }
yihui 0:8c4eea221dcf 45 }
yihui 0:8c4eea221dcf 46 }