main.cpp

00001   #include "mbed.h"
00002 #include "C12832.h"
00003 
00004 InterruptIn joystickcenter(p14);
00005 InterruptIn button(p9);
00006 DigitalOut led(LED1);
00007 DigitalOut flash(LED4);
00008 C12832 lcd(p5, p7, p6, p8, p11);
00009 
00010 
00011 DigitalIn fire(p14);
00012 PwmOut spkr(p26);
00013 AnalogIn pot1(p19);
00014 
00015 
00016 
00017 int x = 0;
00018 Timer debounce;
00019 
00020 void flip() {
00021  led = !led; // toggles the led when the joystick button is pressed.
00022  x = 1;
00023  lcd.printf("debounce = "+debounce.read_ms());
00024  if(debounce.read_ms()==1)
00025  {
00026       lcd.printf("ms 150");
00027      //assignment
00028      }
00029     debounce.reset();
00030 }
00031 int main() {
00032  
00033  joystickcenter.rise(&flip); // attach the function address to the rising edge
00034  button.mode(PullUp); // With this, no external pullup resistor needed
00035  button.rise(&flip); // attach the function address to the rising edge
00036  
00037  while(1) { // wait around, interrupts will interrupt this!
00038  flash = !flash; // turns LED4 on if off, off if on
00039  //wait(0.25); // the instruction to wait for a quarter-second
00040  if(x==1) // check loop
00041  {
00042      //lcd.printf("Variable set");
00043      x = 0;
00044  }
00045  
00046 for (float i=2000.0; i<1000.0; i+=100) {
00047     spkr.period(1.0/i);
00048     spkr=0.5;
00049     wait(0.1);
00050     }
00051     spkr=0.0;
00052     while(pot1.read() < 0.0000005) {} // this uses the pot to control the program
00053 
00054  
00055  
00056  
00057  }
00058  }
00059 
00060 
00061 //What's needed is a global variable with its own name, for example:
00062 //int x;
00063 
00064 //Now, you set x to 1 inside the flip() function. In main(), inside the infinite loop starting with while (1) { , you check whether x ==1 and if it is, you print to the LCD and set x to 0.
00065 
00066 //(Be very careful about this. x=1 sets x to 1. x==1 compares x to 1.)