Junaid Ahmed / Mbed 2 deprecated hw2

uart communication

Dependencies:   mbed

main.cpp@0:46e2bf06ec86, 2014-03-07 (annotated)

Committer:
mja054
Date:
Fri Mar 07 23:14:41 2014 +0000
Revision:
0:46e2bf06ec86
homework 2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mja054 0:46e2bf06ec86 1 #include "mbed.h"
mja054 0:46e2bf06ec86 2 #define BAUD_RATE 921600
mja054 0:46e2bf06ec86 3 #define INITIATER 0
mja054 0:46e2bf06ec86 4
mja054 0:46e2bf06ec86 5 // http://mbed.org/platforms/FRDM-KL46Z/
mja054 0:46e2bf06ec86 6
mja054 0:46e2bf06ec86 7 DigitalOut myled(LED_GREEN);
mja054 0:46e2bf06ec86 8 Serial pc(USBTX, USBRX);
mja054 0:46e2bf06ec86 9 Serial uart(PTE0, PTE1);
mja054 0:46e2bf06ec86 10
mja054 0:46e2bf06ec86 11 char num = 0;
mja054 0:46e2bf06ec86 12
mja054 0:46e2bf06ec86 13 void receiver_send()
mja054 0:46e2bf06ec86 14 {
mja054 0:46e2bf06ec86 15 while(1) {
mja054 0:46e2bf06ec86 16 wait(1);
mja054 0:46e2bf06ec86 17 uart.putc(num);
mja054 0:46e2bf06ec86 18 num += 2;
mja054 0:46e2bf06ec86 19 myled = !myled;
mja054 0:46e2bf06ec86 20 }
mja054 0:46e2bf06ec86 21 }
mja054 0:46e2bf06ec86 22
mja054 0:46e2bf06ec86 23 void send(char c)
mja054 0:46e2bf06ec86 24 {
mja054 0:46e2bf06ec86 25 uart.putc(c);
mja054 0:46e2bf06ec86 26 }
mja054 0:46e2bf06ec86 27
mja054 0:46e2bf06ec86 28 void read()
mja054 0:46e2bf06ec86 29 {
mja054 0:46e2bf06ec86 30 myled = !myled;
mja054 0:46e2bf06ec86 31 char c = uart.getc();
mja054 0:46e2bf06ec86 32 num += 2;
mja054 0:46e2bf06ec86 33 // send(num);
mja054 0:46e2bf06ec86 34 if (INITIATER)
mja054 0:46e2bf06ec86 35 pc.printf("%d\n", c);
mja054 0:46e2bf06ec86 36 }
mja054 0:46e2bf06ec86 37
mja054 0:46e2bf06ec86 38 int main() {
mja054 0:46e2bf06ec86 39 pc.baud(BAUD_RATE);
mja054 0:46e2bf06ec86 40 uart.baud(BAUD_RATE);
mja054 0:46e2bf06ec86 41
mja054 0:46e2bf06ec86 42 if (INITIATER) {
mja054 0:46e2bf06ec86 43 uart.attach(read);
mja054 0:46e2bf06ec86 44 num = 1;
mja054 0:46e2bf06ec86 45 uart.putc(num);
mja054 0:46e2bf06ec86 46 } else {
mja054 0:46e2bf06ec86 47 num = 0;
mja054 0:46e2bf06ec86 48 receiver_send();
mja054 0:46e2bf06ec86 49 }
mja054 0:46e2bf06ec86 50
mja054 0:46e2bf06ec86 51 pc.printf("Hello World\n");
mja054 0:46e2bf06ec86 52
mja054 0:46e2bf06ec86 53 while (true) {
mja054 0:46e2bf06ec86 54 wait(0.5);
mja054 0:46e2bf06ec86 55 }
mja054 0:46e2bf06ec86 56 }