Supachai Vorapojpisut / Mbed OS le484_2016

Course project for LE484 at Thammasat University, class of 2016

main.cpp@3:e38819a2b38c, 2017-05-08 (annotated)

Committer:
vsupacha
Date:
Mon May 08 04:05:24 2017 +0000
Revision:
3:e38819a2b38c
Parent:
2:d117505b89ce
Child:
4:3aaedd16c77b
Try Mail API to forward data from ISR

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vsupacha 0:aefb68fd2505 1 /**
vsupacha 0:aefb68fd2505 2 * @brief Main loop: XBee protocol handler
natanich 2:d117505b89ce 3 * @author Supachai Vorapojpisut,Vissarut Prakobpon , Natanich Bunsila
vsupacha 0:aefb68fd2505 4 * @date May 8, 2017
vsupacha 0:aefb68fd2505 5 */
vsupacha 0:aefb68fd2505 6
vsupacha 0:aefb68fd2505 7 #include "mbed.h"
vsupacha 0:aefb68fd2505 8
vsupacha 0:aefb68fd2505 9 DigitalOut led1(LED1);
vsupacha 0:aefb68fd2505 10
vsupacha 3:e38819a2b38c 11 RawSerial pc(USBTX, USBRX); // use USB-serial for testing purpose
vsupacha 3:e38819a2b38c 12 Mail<char, 2> mbx; // use Mail API to forward data
vsupacha 3:e38819a2b38c 13
vsupacha 3:e38819a2b38c 14 /**
vsupacha 3:e38819a2b38c 15 * @brief ISR code: reception of XBee API frame
vsupacha 3:e38819a2b38c 16 */
vsupacha 3:e38819a2b38c 17 void rxHandler() {
vsupacha 3:e38819a2b38c 18 char *mail = mbx.alloc();
vsupacha 3:e38819a2b38c 19 *mail = pc.getc();
vsupacha 3:e38819a2b38c 20 mbx.put(mail);
vsupacha 3:e38819a2b38c 21 }
vsupacha 3:e38819a2b38c 22
vsupacha 3:e38819a2b38c 23
vsupacha 3:e38819a2b38c 24 /**
vsupacha 3:e38819a2b38c 25 * @brief Main code: initial serial RX handler, then wait for detected frame
vsupacha 3:e38819a2b38c 26 */
vsupacha 0:aefb68fd2505 27 int main() {
vsupacha 3:e38819a2b38c 28 pc.attach(rxHandler);
vsupacha 0:aefb68fd2505 29 while (true) {
vsupacha 3:e38819a2b38c 30 osEvent evt = mbx.get();
vsupacha 3:e38819a2b38c 31 if (evt.status == osEventMail) {
vsupacha 3:e38819a2b38c 32 char *mail = (mail_t*)evt.value.p;
vsupacha 3:e38819a2b38c 33 pc.printf("Got %c\n", *mail);
vsupacha 3:e38819a2b38c 34 mbx.free(mail);
vsupacha 3:e38819a2b38c 35 }
vsupacha 0:aefb68fd2505 36 }
vsupacha 0:aefb68fd2505 37 }
vsupacha 0:aefb68fd2505 38