Matthew Semple / Mbed 2 deprecated Intsrumentation_Interr2_4

Instrumentation Lab

Dependencies:   mbed C12832

main.cpp@0:acbface38eff, 2019-05-02 (annotated)

Committer:
MattGow
Date:
Thu May 02 19:10:33 2019 +0000
Revision:
0:acbface38eff
Rev1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MattGow 0:acbface38eff 1 #include "mbed.h"
MattGow 0:acbface38eff 2 #include "C12832.h"
MattGow 0:acbface38eff 3
MattGow 0:acbface38eff 4 InterruptIn button(p14);
MattGow 0:acbface38eff 5 DigitalOut led(LED1);
MattGow 0:acbface38eff 6 DigitalOut flash(LED4);
MattGow 0:acbface38eff 7 C12832 lcd(p5, p7 ,p6, p8, p11); // initilize lcd
MattGow 0:acbface38eff 8 Timer debounce;
MattGow 0:acbface38eff 9
MattGow 0:acbface38eff 10 int joystick; // inilize integer value from p14
MattGow 0:acbface38eff 11
MattGow 0:acbface38eff 12 void flip() {
MattGow 0:acbface38eff 13 led = !led; // toggles the led, when pressing a button connects ground to p14.
MattGow 0:acbface38eff 14 }
MattGow 0:acbface38eff 15
MattGow 0:acbface38eff 16 int main() {
MattGow 0:acbface38eff 17 debounce.start();
MattGow 0:acbface38eff 18 button.rise(&flip); // attach the function address to the rising edge (of p14)
MattGow 0:acbface38eff 19 while(1) { // wait around, interrupts will interrupt this.
MattGow 0:acbface38eff 20 flash = !flash; // this just turns LED4 on and off every quarter second
MattGow 0:acbface38eff 21 joystick = button; // ties joystick value to p14 condition
MattGow 0:acbface38eff 22 if (joystick==1){ // test value of joystick
MattGow 0:acbface38eff 23 lcd.cls(); // clear lcd screen
MattGow 0:acbface38eff 24 lcd.locate(2,2); // sets start location for print text
MattGow 0:acbface38eff 25 lcd.printf("joystick pressed"); // print instruction
MattGow 0:acbface38eff 26 wait(0.25);
MattGow 0:acbface38eff 27 }
MattGow 0:acbface38eff 28 else{
MattGow 0:acbface38eff 29 lcd.cls(); // clear lcd screen
MattGow 0:acbface38eff 30 lcd.locate(2,12); // sets start location for print text
MattGow 0:acbface38eff 31 lcd.printf("joystick is not pressed ");
MattGow 0:acbface38eff 32 wait(0.25); // this is the instruction to wait for a quarter second
MattGow 0:acbface38eff 33 if (debounce.read_ms()>10)
MattGow 0:acbface38eff 34 debounce.reset();
MattGow 0:acbface38eff 35 }
MattGow 0:acbface38eff 36
MattGow 0:acbface38eff 37 }
MattGow 0:acbface38eff 38 }