Diff: main.cpp

Revision:

0:c15c469875a1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Aug 02 11:52:28 2020 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+#include "C12832.h"
+
+InterruptIn joystickcenter(p14);
+InterruptIn button(p9);
+DigitalOut led(LED1);
+DigitalOut flash(LED4);
+C12832 lcd(p5, p7, p6, p8, p11);
+
+// global declarations
+Timer debounce;
+int i;
+
+// instructions
+void flip()
+{
+    // local declarations
+    if (debounce.read_ms() > 1000) {
+        i = 1;
+        debounce.reset();
+        led = !led;                     // toggles the led when the joystick button is pressed.
+    }
+}
+
+int main()
+{
+    joystickcenter.rise(&flip);         // attach the function address to the rising edge
+    button.mode(PullUp);                  // With this, no external pullup resistor needed
+    button.rise(&flip);                   // attach the function address to the rising edge
+    debounce.start();
+    while(1) {                      // wait around, interrupts will interrupt this!
+        flash = !flash;             // turns LED4 on if off, off if on
+        wait(0.25);                 // the instruction to wait for half-second
+        if(i==1) {
+            lcd.locate(0,0);
+            lcd.printf("%d", debounce.read_ms());
+            i = 0;
+        }
+    }
+}