ABELI / Mbed 2 deprecated RS232_2

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Dependencies:   mbed

main.cpp@0:a01301f7a406, 2015-06-09 (annotated)

Committer:
AndreasSchoegler
Date:
Tue Jun 09 17:44:38 2015 +0000
Revision:
0:a01301f7a406
fh

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AndreasSchoegler 0:a01301f7a406 1 #include "mbed.h"
AndreasSchoegler 0:a01301f7a406 2 // global vars and objects
AndreasSchoegler 0:a01301f7a406 3 DigitalOut led2(LED2);
AndreasSchoegler 0:a01301f7a406 4 Serial pc(USBTX, USBRX); // tx, rx ; is default !!! (9600, 8N1)
AndreasSchoegler 0:a01301f7a406 5 char recChar=0;
AndreasSchoegler 0:a01301f7a406 6 bool recFlag=false;
AndreasSchoegler 0:a01301f7a406 7 char recArr[20];
AndreasSchoegler 0:a01301f7a406 8 int index=0;
AndreasSchoegler 0:a01301f7a406 9
AndreasSchoegler 0:a01301f7a406 10 // functions
AndreasSchoegler 0:a01301f7a406 11 void flushSerialBuffer() {
AndreasSchoegler 0:a01301f7a406 12 while (pc.readable()) {
AndreasSchoegler 0:a01301f7a406 13 pc.getc();
AndreasSchoegler 0:a01301f7a406 14 }
AndreasSchoegler 0:a01301f7a406 15 }
AndreasSchoegler 0:a01301f7a406 16
AndreasSchoegler 0:a01301f7a406 17 void readData() {
AndreasSchoegler 0:a01301f7a406 18 recChar = pc.getc();
AndreasSchoegler 0:a01301f7a406 19 recArr[index] = recChar;
AndreasSchoegler 0:a01301f7a406 20 index++;
AndreasSchoegler 0:a01301f7a406 21 if ((recChar == '\r') || (index>=19)) {
AndreasSchoegler 0:a01301f7a406 22 recFlag = true;
AndreasSchoegler 0:a01301f7a406 23 recArr[index] = 0;
AndreasSchoegler 0:a01301f7a406 24 index = 0;
AndreasSchoegler 0:a01301f7a406 25 pc.printf(" - That's the input: %s\r\n", recArr);
AndreasSchoegler 0:a01301f7a406 26 flushSerialBuffer();
AndreasSchoegler 0:a01301f7a406 27 }
AndreasSchoegler 0:a01301f7a406 28 }
AndreasSchoegler 0:a01301f7a406 29
AndreasSchoegler 0:a01301f7a406 30 int main() {
AndreasSchoegler 0:a01301f7a406 31 // pc.baud(115200);
AndreasSchoegler 0:a01301f7a406 32 pc.baud(38400);
AndreasSchoegler 0:a01301f7a406 33 pc.format(8, SerialBase::Odd, 2);
AndreasSchoegler 0:a01301f7a406 34 led2 = 1;
AndreasSchoegler 0:a01301f7a406 35
AndreasSchoegler 0:a01301f7a406 36 flushSerialBuffer();
AndreasSchoegler 0:a01301f7a406 37 pc.printf("Hello RS232-USB Virtual Serial Port -World!\r\n");
AndreasSchoegler 0:a01301f7a406 38 pc.attach(&readData);
AndreasSchoegler 0:a01301f7a406 39
AndreasSchoegler 0:a01301f7a406 40 while(1) {
AndreasSchoegler 0:a01301f7a406 41 if (recFlag) {
AndreasSchoegler 0:a01301f7a406 42 flushSerialBuffer();
AndreasSchoegler 0:a01301f7a406 43 // pc.printf(" - That's the input: %s\r\n", recArr); // non reantrant function
AndreasSchoegler 0:a01301f7a406 44 recFlag = false;
AndreasSchoegler 0:a01301f7a406 45 led2 = !led2;
AndreasSchoegler 0:a01301f7a406 46 }
AndreasSchoegler 0:a01301f7a406 47 }
AndreasSchoegler 0:a01301f7a406 48 }