jim hamblen
IR transmit and receive demo using Sparkfun breakout boards See http://mbed.org/users/4180_1/notebook/ir-and-rf-remote-controls/
Revision 0:e0bef6b1aa57, committed 2012-02-10
- Comitter:
- 4180_1
- Date:
- Fri Feb 10 18:02:08 2012 +0000
- Commit message:
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r e0bef6b1aa57 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Feb 10 18:02:08 2012 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX); // tx, rx
+Serial device(p13, p14); // tx, rx
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+PwmOut IRLED(p21);
+//IR send and receive demo
+//LED1 and LED2 indicate TX/RX activity
+//Character typed in PC terminal application sent out and returned back using IR transmitter and receiver
+
+int main() {
+ //IR Transmit code
+ IRLED.period(1.0/38000.0);
+ IRLED = 0.5;
+ //Drive IR LED data pin with 38Khz PWM Carrier
+ //Drive IR LED gnd pin with serial TX
+ device.baud(2400);
+ while(1) {
+ if(pc.readable()) {
+ myled1 = 1;
+ device.putc(pc.getc());
+ myled1 = 0;
+ }
+ //IR Receive code
+ if(device.readable()) {
+ myled2 = 1;
+ pc.putc(device.getc());
+ myled2 = 0;
+ }
+ }
+}
diff -r 000000000000 -r e0bef6b1aa57 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Feb 10 18:02:08 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/14f4805c468c