Diff: lighting-system-firmware/source/main.cpp

Revision:

0:7a352727249b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lighting-system-firmware/source/main.cpp	Sun Jun 18 10:14:56 2017 +0000
@@ -0,0 +1,29 @@
+/* lighting-system-firmware/source/main.cpp */
+
+#include "mbed.h"
+#include "led.h"    // Abstracts away the differens between the LED types
+
+// PIR sensor acts as an interrupt - signals us whenever it goes high (or low)
+InterruptIn pir(PIR_PIN);   // This pin value comes out mbed_app.json
+
+// Whenever movement is not detected
+void pir_fall() {
+  setRgbColor(0.0f, 0.0f, 0.0f);
+}
+
+// Whenever movement is detected
+void pir_rise() {
+  // set the color to red
+  setRgbColor(1.0f, 0.0f, 0.0f);
+}
+
+int main(int, char**) {
+  // Blink the LED when the application starts
+  setRgbColor(0.0f, 1.0f, 0.0f);
+  Thread::wait(500);
+  setRgbColor(0.0f, 0.0f, 0.0f);
+
+  // The PIR sensor uses interrupts, no need to poll
+  pir.fall(&pir_fall);
+  pir.rise(&pir_rise);
+}
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