Krzysztof Krawczyk
Lab Day 1, Experiment 2.3.1: Debouncing
Revision 0:c15c469875a1, committed 2020-08-02
- Comitter:
- t00209054
- Date:
- Sun Aug 02 11:52:28 2020 +0000
- Commit message:
- V2
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832.lib Sun Aug 02 11:52:28 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/askksa12543/code/C12832/#990d5eec2ef6
--- /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;
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Aug 02 11:52:28 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file