Seeed / Mbed 2 deprecated Seeed_Grove_PIR_Motion_Sensor_Example

Example using a PIR sensor

Dependencies:   mbed

main.cpp@0:cc930b964211, 2014-08-15 (annotated)

Committer:
sam_grove
Date:
Fri Aug 15 23:18:16 2014 +0000
Revision:
0:cc930b964211
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 0:cc930b964211 1
sam_grove 0:cc930b964211 2 #include "mbed.h"
sam_grove 0:cc930b964211 3
sam_grove 0:cc930b964211 4 InterruptIn motion(D2);
sam_grove 0:cc930b964211 5
sam_grove 0:cc930b964211 6 int motion_detected = 0;
sam_grove 0:cc930b964211 7
sam_grove 0:cc930b964211 8 void irq_handler(void)
sam_grove 0:cc930b964211 9 {
sam_grove 0:cc930b964211 10 motion_detected = 1;
sam_grove 0:cc930b964211 11 }
sam_grove 0:cc930b964211 12
sam_grove 0:cc930b964211 13 int main(void)
sam_grove 0:cc930b964211 14 {
sam_grove 0:cc930b964211 15 int cnt = 0;
sam_grove 0:cc930b964211 16 motion.rise(&irq_handler);
sam_grove 0:cc930b964211 17
sam_grove 0:cc930b964211 18 while(1) {
sam_grove 0:cc930b964211 19 if(motion_detected) {
sam_grove 0:cc930b964211 20 cnt++;
sam_grove 0:cc930b964211 21 motion_detected = 0;
sam_grove 0:cc930b964211 22 printf("Hello! I've detected %d times since reset\n", cnt);
sam_grove 0:cc930b964211 23 }
sam_grove 0:cc930b964211 24 }
sam_grove 0:cc930b964211 25 }