Vishal Kotcherlakota
A simple program that triggers a GPIO rise/fall event when data arrives on the virtual COM port via USB.
Diff: main.cpp
- Revision:
- 0:a46083c93e2b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jun 17 22:47:01 2015 +0000
@@ -0,0 +1,34 @@
+#include "mbed.h"
+
+InterruptIn button(p28);
+DigitalOut led(LED1);
+DigitalOut flash(LED4);
+DigitalOut sigPin(p18);
+Serial pc(USBTX, USBRX);
+
+void led_on() {
+ led = !led;
+}
+
+void led_off() {
+ led = 0;
+}
+
+void on_pc_rcv() {
+ pc.getc();
+ led = 1;
+ sigPin = 1;
+ wait(0.25);
+ sigPin = 0;
+ led = 0;
+}
+
+int main() {
+ pc.attach(&on_pc_rcv);
+ button.rise(&led_on);
+ button.fall(&led_off);
+ while(1) { // wait around, interrupts will interrupt this!
+ flash = !flash;
+ wait(0.25);
+ }
+}
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