Andreas Hatzl / Mbed 2 deprecated test_150615

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Dependencies:   mbed

main.cpp@0:24f914e903b4, 2015-06-10 (annotated)

Committer:
andreashatzl
Date:
Wed Jun 10 15:36:18 2015 +0000
Revision:
0:24f914e903b4
Child:
1:756c9df9881f
GruppeA

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andreashatzl 0:24f914e903b4 1 /*
andreashatzl 0:24f914e903b4 2 Serial Communication with a PC
andreashatzl 0:24f914e903b4 3 The mbed Microcontroller can communicate with a host PC through a "USB Virtual Serial Port"
andreashatzl 0:24f914e903b4 4 over the same USB cable that is used for programming.
andreashatzl 0:24f914e903b4 5 This enables you to:
andreashatzl 0:24f914e903b4 6 a) Print out messages to a host PC terminal (useful for debugging!)
andreashatzl 0:24f914e903b4 7 b) Read input from the host PC keyboard
andreashatzl 0:24f914e903b4 8 c) Communicate with applications and programming languages running on the host PC
andreashatzl 0:24f914e903b4 9 that can communicate with a serial port, e.g. perl, python, java, c# and so on.
andreashatzl 0:24f914e903b4 10 .. see http://mbed.org/handbook/SerialPC
andreashatzl 0:24f914e903b4 11
andreashatzl 0:24f914e903b4 12 The C stdin, stdout and stderr file handles are also defaulted to the PC serial connection
andreashatzl 0:24f914e903b4 13 standard calls are: printf, scanf, getc, putc, ..
andreashatzl 0:24f914e903b4 14 */
andreashatzl 0:24f914e903b4 15
andreashatzl 0:24f914e903b4 16 #include "mbed.h"
andreashatzl 0:24f914e903b4 17 // global vars and objects
andreashatzl 0:24f914e903b4 18 BusOut doLeds(LED1,LED2,LED3,LED4);
andreashatzl 0:24f914e903b4 19 DigitalOut led2(LED2);
andreashatzl 0:24f914e903b4 20 Serial pc(USBTX, USBRX); // tx, rx ; is default !!! (9600, 8N1)
andreashatzl 0:24f914e903b4 21 char recChar=0;
andreashatzl 0:24f914e903b4 22 bool recFlag=false;
andreashatzl 0:24f914e903b4 23 char recArr[20];
andreashatzl 0:24f914e903b4 24 int index=0;
andreashatzl 0:24f914e903b4 25
andreashatzl 0:24f914e903b4 26 // functions
andreashatzl 0:24f914e903b4 27 void flushSerialBuffer() {
andreashatzl 0:24f914e903b4 28 while (pc.readable()) {
andreashatzl 0:24f914e903b4 29 pc.getc();
andreashatzl 0:24f914e903b4 30 }
andreashatzl 0:24f914e903b4 31 }
andreashatzl 0:24f914e903b4 32
andreashatzl 0:24f914e903b4 33 void readData() {
andreashatzl 0:24f914e903b4 34 recChar = pc.getc();
andreashatzl 0:24f914e903b4 35 recArr[index] = recChar;
andreashatzl 0:24f914e903b4 36 index++;
andreashatzl 0:24f914e903b4 37
andreashatzl 0:24f914e903b4 38 recFlag = true;
andreashatzl 0:24f914e903b4 39 recArr[index] = 0;
andreashatzl 0:24f914e903b4 40 index = 0;
andreashatzl 0:24f914e903b4 41 pc.printf(" - That's the input: %s\r\n", recArr);
andreashatzl 0:24f914e903b4 42
andreashatzl 0:24f914e903b4 43 if(recArr[0]=='a')
andreashatzl 0:24f914e903b4 44 {
andreashatzl 0:24f914e903b4 45 doLeds = 0;
andreashatzl 0:24f914e903b4 46 };
andreashatzl 0:24f914e903b4 47 if(recArr[0]=='b')
andreashatzl 0:24f914e903b4 48 {
andreashatzl 0:24f914e903b4 49 doLeds = 16;
andreashatzl 0:24f914e903b4 50 };
andreashatzl 0:24f914e903b4 51
andreashatzl 0:24f914e903b4 52 flushSerialBuffer();
andreashatzl 0:24f914e903b4 53
andreashatzl 0:24f914e903b4 54
andreashatzl 0:24f914e903b4 55 }
andreashatzl 0:24f914e903b4 56
andreashatzl 0:24f914e903b4 57 int main() {
andreashatzl 0:24f914e903b4 58 // pc.baud(115200);
andreashatzl 0:24f914e903b4 59 pc.baud(38400);
andreashatzl 0:24f914e903b4 60 pc.format(8, SerialBase::Odd, 2);
andreashatzl 0:24f914e903b4 61 led2 = 1;
andreashatzl 0:24f914e903b4 62
andreashatzl 0:24f914e903b4 63 flushSerialBuffer();
andreashatzl 0:24f914e903b4 64 pc.printf("Hatzl Andreas: Gruppe A\r\n Bitte geben Sie einen Befehl ein:\r\n");
andreashatzl 0:24f914e903b4 65 pc.attach(&readData);
andreashatzl 0:24f914e903b4 66
andreashatzl 0:24f914e903b4 67 while(1) {
andreashatzl 0:24f914e903b4 68 if (recFlag) {
andreashatzl 0:24f914e903b4 69 flushSerialBuffer();
andreashatzl 0:24f914e903b4 70 // pc.printf(" - That's the input: %s\r\n", recArr); // non reantrant function
andreashatzl 0:24f914e903b4 71 recFlag = false;
andreashatzl 0:24f914e903b4 72 led2 = !led2;
andreashatzl 0:24f914e903b4 73 }
andreashatzl 0:24f914e903b4 74 }
andreashatzl 0:24f914e903b4 75 }