Hsing-Hung Lai / Mbed 2 deprecated Nucleo_LED

homework_1

Dependencies:   mbed

main.cpp@0:5e39cd6c5291, 2016-03-10 (annotated)

Committer:
tim65132006
Date:
Thu Mar 10 14:05:44 2016 +0000
Revision:
0:5e39cd6c5291
03101005;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tim65132006 0:5e39cd6c5291 1 /*LAB_LED*/
tim65132006 0:5e39cd6c5291 2 #include "mbed.h"
tim65132006 0:5e39cd6c5291 3
tim65132006 0:5e39cd6c5291 4 //LED1 = D13 = PA_5 (LED on Nucleo board)
tim65132006 0:5e39cd6c5291 5
tim65132006 0:5e39cd6c5291 6 DigitalOut led1(LED1);
tim65132006 0:5e39cd6c5291 7 Ticker timer1;
tim65132006 0:5e39cd6c5291 8
tim65132006 0:5e39cd6c5291 9 int a;
tim65132006 0:5e39cd6c5291 10
tim65132006 0:5e39cd6c5291 11 void init_IO(void)
tim65132006 0:5e39cd6c5291 12 {
tim65132006 0:5e39cd6c5291 13 a = 0;
tim65132006 0:5e39cd6c5291 14 led1 = 0;
tim65132006 0:5e39cd6c5291 15 }
tim65132006 0:5e39cd6c5291 16
tim65132006 0:5e39cd6c5291 17 void timer1_interrupt(void)
tim65132006 0:5e39cd6c5291 18 {
tim65132006 0:5e39cd6c5291 19 a = a+1;
tim65132006 0:5e39cd6c5291 20 }
tim65132006 0:5e39cd6c5291 21
tim65132006 0:5e39cd6c5291 22 void init_TIMER(void)
tim65132006 0:5e39cd6c5291 23 {
tim65132006 0:5e39cd6c5291 24 timer1.attach_us(&timer1_interrupt, 1000.0);//1ms interrupt period (1 KHz)
tim65132006 0:5e39cd6c5291 25 }
tim65132006 0:5e39cd6c5291 26
tim65132006 0:5e39cd6c5291 27 int main()
tim65132006 0:5e39cd6c5291 28 {
tim65132006 0:5e39cd6c5291 29
tim65132006 0:5e39cd6c5291 30 init_IO();
tim65132006 0:5e39cd6c5291 31 init_TIMER();
tim65132006 0:5e39cd6c5291 32
tim65132006 0:5e39cd6c5291 33 while(1) {
tim65132006 0:5e39cd6c5291 34
tim65132006 0:5e39cd6c5291 35 if (a==500) {
tim65132006 0:5e39cd6c5291 36 led1 = 1;
tim65132006 0:5e39cd6c5291 37 }
tim65132006 0:5e39cd6c5291 38
tim65132006 0:5e39cd6c5291 39 if(a==1000) {
tim65132006 0:5e39cd6c5291 40 led1 = 0;
tim65132006 0:5e39cd6c5291 41 a = 0;
tim65132006 0:5e39cd6c5291 42 }
tim65132006 0:5e39cd6c5291 43 }
tim65132006 0:5e39cd6c5291 44 }