thunchanok phutthaphaiboon / Mbed 2 deprecated M89_test_uart

version1

Dependencies:   mbed

main.cpp@1:8e615c17b2b3, 2019-03-19 (annotated)

Committer:
moove1334
Date:
Tue Mar 19 16:08:04 2019 +0000
Revision:
1:8e615c17b2b3
Parent:
0:ac7bd75171ef
Child:
2:8c662c92385d
fix bug when the lastest char wrong

Who changed what in which revision?

UserRevisionLine numberNew contents of line
moove1334 0:ac7bd75171ef 1 #include "mbed.h"
moove1334 0:ac7bd75171ef 2
moove1334 0:ac7bd75171ef 3 Serial device(D1, D0);
moove1334 0:ac7bd75171ef 4 DigitalOut led1(LED1);
moove1334 0:ac7bd75171ef 5 DigitalIn button0(USER_BUTTON);
moove1334 0:ac7bd75171ef 6
moove1334 0:ac7bd75171ef 7 void Rx_interrupt();
moove1334 0:ac7bd75171ef 8 void SetSerial(int c);
moove1334 0:ac7bd75171ef 9
moove1334 0:ac7bd75171ef 10 int data_size = 5;
moove1334 0:ac7bd75171ef 11 char data[5] = {};
moove1334 0:ac7bd75171ef 12 char package = 0;
moove1334 0:ac7bd75171ef 13 char num_data = 0;
moove1334 0:ac7bd75171ef 14
moove1334 0:ac7bd75171ef 15 int main()
moove1334 0:ac7bd75171ef 16 {
moove1334 0:ac7bd75171ef 17 device.attach(&Rx_interrupt);
moove1334 0:ac7bd75171ef 18
moove1334 0:ac7bd75171ef 19 led1 = 0;
moove1334 0:ac7bd75171ef 20 while(true)
moove1334 0:ac7bd75171ef 21 {
moove1334 0:ac7bd75171ef 22 if (package == 1)
moove1334 0:ac7bd75171ef 23 {
moove1334 0:ac7bd75171ef 24 package = 0;
moove1334 0:ac7bd75171ef 25 led1 = 1;
moove1334 0:ac7bd75171ef 26 wait(1);
moove1334 0:ac7bd75171ef 27 led1 = 0;
moove1334 0:ac7bd75171ef 28 wait(0.5);
moove1334 0:ac7bd75171ef 29 }
moove1334 0:ac7bd75171ef 30 }
moove1334 0:ac7bd75171ef 31 }
moove1334 0:ac7bd75171ef 32
moove1334 0:ac7bd75171ef 33 void Rx_interrupt()
moove1334 0:ac7bd75171ef 34 {
moove1334 0:ac7bd75171ef 35 char c = device.getc();
moove1334 0:ac7bd75171ef 36 int i = (int)c;
moove1334 0:ac7bd75171ef 37 SetSerial(i);
moove1334 0:ac7bd75171ef 38 }
moove1334 0:ac7bd75171ef 39 void SetSerial(int c)
moove1334 0:ac7bd75171ef 40 {
moove1334 0:ac7bd75171ef 41 if (num_data < 2){
moove1334 0:ac7bd75171ef 42 if (c == 255){
moove1334 0:ac7bd75171ef 43 data[num_data] = c;
moove1334 0:ac7bd75171ef 44 num_data++;
moove1334 0:ac7bd75171ef 45 }else{
moove1334 0:ac7bd75171ef 46 data[num_data] = c;
moove1334 0:ac7bd75171ef 47 num_data = 0;
moove1334 0:ac7bd75171ef 48 }
moove1334 0:ac7bd75171ef 49 }
moove1334 0:ac7bd75171ef 50 else if (num_data < data_size){
moove1334 0:ac7bd75171ef 51 data[num_data] = c;
moove1334 0:ac7bd75171ef 52 num_data++;
moove1334 0:ac7bd75171ef 53 if (num_data >= data_size){
moove1334 0:ac7bd75171ef 54 if (data[data_size-1]==255){
moove1334 0:ac7bd75171ef 55 num_data = 0;
moove1334 0:ac7bd75171ef 56 package = 1;
moove1334 1:8e615c17b2b3 57 }
moove1334 1:8e615c17b2b3 58 else num_data = 0;
moove1334 0:ac7bd75171ef 59 }
moove1334 0:ac7bd75171ef 60 }
moove1334 0:ac7bd75171ef 61 }