NXP / Mbed 2 deprecated frdm_Grove_PIR_Example

Freedom Seeed PIR Sensor Example

Dependencies:   mbed

Fork of frdm_Grove_PIR_Example by Freescale

Simply Import this Program into your mbed compiler
Select Compile to generate the binary file
Open an Hyperterminal window and connect to the mbed Serial Port (COMxx) peripheral using speed 9600bps
Plug the Grove Shield v2 on the top of your FRDM-K64F
Connect on end of the 4-pin Grove cable to the Temperature and Humidity module and the other end to the port D2 of the Grove Adapter.

/media/uploads/GregC/pir1.jpg

Drag n drop the frdm_Grove_PIR_Example_K64F.bin into the mbed drive from your file explorer
Wait for download to complete
Press the Reset/SW1 button of your FRDM-K64F board to launch the program

Your hyperterminal window should now display how many time motion have been detected since last reset (see picture below)!!

/media/uploads/GregC/pir2.jpg

main.cpp@0:d444f103013a, 2015-12-31 (annotated)

Committer:
GregC
Date:
Thu Dec 31 23:29:45 2015 +0000
Revision:
0:d444f103013a
Freedom Seeed Grove PIR Example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GregC 0:d444f103013a 1
GregC 0:d444f103013a 2 #include "mbed.h"
GregC 0:d444f103013a 3
GregC 0:d444f103013a 4 InterruptIn motion(D2);
GregC 0:d444f103013a 5
GregC 0:d444f103013a 6 int motion_detected = 0;
GregC 0:d444f103013a 7
GregC 0:d444f103013a 8 void irq_handler(void)
GregC 0:d444f103013a 9 {
GregC 0:d444f103013a 10 motion_detected = 1;
GregC 0:d444f103013a 11 }
GregC 0:d444f103013a 12
GregC 0:d444f103013a 13 int main(void)
GregC 0:d444f103013a 14 {
GregC 0:d444f103013a 15 int cnt = 0;
GregC 0:d444f103013a 16 motion.rise(&irq_handler);
GregC 0:d444f103013a 17
GregC 0:d444f103013a 18 while(1) {
GregC 0:d444f103013a 19 if(motion_detected) {
GregC 0:d444f103013a 20 cnt++;
GregC 0:d444f103013a 21 motion_detected = 0;
GregC 0:d444f103013a 22 printf("Hello! I've detected %d times since reset\n", cnt);
GregC 0:d444f103013a 23 }
GregC 0:d444f103013a 24 }
GregC 0:d444f103013a 25 }