Cortex Challenge Team / Mbed 2 deprecated Nucleo-UART

A trivial example of a UART comm. Works on all Nucleos.

Dependencies:   mbed

main.cpp@2:bdc32e32f6f1, 2015-03-05 (annotated)

Committer:
Foxnec
Date:
Thu Mar 05 22:09:54 2015 +0000
Revision:
2:bdc32e32f6f1
Parent:
1:a149bb0c3d05
Child:
3:d470d455b369
Minor changes, but most importantly a versioning test :-)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Foxnec 0:389db7a2ed7f 1 #include "mbed.h"
Foxnec 1:a149bb0c3d05 2 #include <string>
Foxnec 0:389db7a2ed7f 3
Foxnec 0:389db7a2ed7f 4 //------------------------------------
Foxnec 0:389db7a2ed7f 5 // Hyperterminal configuration
Foxnec 1:a149bb0c3d05 6 // 115200 bauds, 8-bit data, no parity
Foxnec 0:389db7a2ed7f 7 //------------------------------------
Foxnec 2:bdc32e32f6f1 8 void flushSerialPort();
Foxnec 0:389db7a2ed7f 9
Foxnec 0:389db7a2ed7f 10 Serial pc(SERIAL_TX, SERIAL_RX);
Foxnec 0:389db7a2ed7f 11
Foxnec 0:389db7a2ed7f 12 DigitalOut myled(LED1);
Foxnec 0:389db7a2ed7f 13
Foxnec 0:389db7a2ed7f 14 int main()
Foxnec 0:389db7a2ed7f 15 {
Foxnec 1:a149bb0c3d05 16 int i;
Foxnec 2:bdc32e32f6f1 17 char text[0xFF];
Foxnec 1:a149bb0c3d05 18
Foxnec 1:a149bb0c3d05 19
Foxnec 0:389db7a2ed7f 20 pc.baud(115200);
Foxnec 1:a149bb0c3d05 21 i=1;
Foxnec 2:bdc32e32f6f1 22 pc.printf("Hello World !\n-----------------\nYou can tell me anything and I will repeat it...\n");
Foxnec 1:a149bb0c3d05 23
Foxnec 0:389db7a2ed7f 24 while(1) {
Foxnec 0:389db7a2ed7f 25
Foxnec 1:a149bb0c3d05 26 wait(1);
Foxnec 2:bdc32e32f6f1 27
Foxnec 0:389db7a2ed7f 28 myled = !myled;
Foxnec 2:bdc32e32f6f1 29
Foxnec 1:a149bb0c3d05 30 //NOTE: the data must be terminated with CR(Carriage return)
Foxnec 1:a149bb0c3d05 31 //NOTE: I had no luck using scanf() - it just scans an empty string.
Foxnec 2:bdc32e32f6f1 32
Foxnec 1:a149bb0c3d05 33 i=0;
Foxnec 2:bdc32e32f6f1 34 while ((text[i-1] != '\r') && (i<0xFF))
Foxnec 2:bdc32e32f6f1 35 {
Foxnec 2:bdc32e32f6f1 36 if (pc.readable())
Foxnec 1:a149bb0c3d05 37 text[i++] = getc(pc);
Foxnec 2:bdc32e32f6f1 38
Foxnec 1:a149bb0c3d05 39 }
Foxnec 1:a149bb0c3d05 40
Foxnec 1:a149bb0c3d05 41 pc.printf("Received data: %s", text);
Foxnec 1:a149bb0c3d05 42 memset(&text, 0, i);
Foxnec 2:bdc32e32f6f1 43 //flushSerialPort(pc);
Foxnec 1:a149bb0c3d05 44
Foxnec 0:389db7a2ed7f 45 }
Foxnec 0:389db7a2ed7f 46 }
Foxnec 0:389db7a2ed7f 47
Foxnec 2:bdc32e32f6f1 48 void flushSerialPort()
Foxnec 0:389db7a2ed7f 49 {
Foxnec 0:389db7a2ed7f 50
Foxnec 2:bdc32e32f6f1 51 while(pc.readable())
Foxnec 2:bdc32e32f6f1 52 pc.getc();
Foxnec 2:bdc32e32f6f1 53
Foxnec 0:389db7a2ed7f 54 return;
Foxnec 0:389db7a2ed7f 55 }