AT&T Developer Summit Hackathon 2016 / Mbed 2 deprecated frdm_Grove_Joystick_Example

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Dependencies:   mbed

Fork of frdm_Grove_Joystick_Example by Freescale

main.cpp@0:2f9598399d00, 2016-01-01 (annotated)

Committer:
GregC
Date:
Fri Jan 01 16:56:40 2016 +0000
Revision:
0:2f9598399d00
Freedom Seeed Grove Joystick Example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GregC 0:2f9598399d00 1 #include "mbed.h"
GregC 0:2f9598399d00 2
GregC 0:2f9598399d00 3 AnalogIn xAxis(A0);
GregC 0:2f9598399d00 4 AnalogIn yAxis(A1);
GregC 0:2f9598399d00 5
GregC 0:2f9598399d00 6 int x,y,button; // global variables to hold values
GregC 0:2f9598399d00 7 Ticker joystick; // recurring interrupt to get joystick data
GregC 0:2f9598399d00 8
GregC 0:2f9598399d00 9 void joystick_Int_Handler()
GregC 0:2f9598399d00 10 {
GregC 0:2f9598399d00 11 x = xAxis.read() * 1000; // float (0->1) to int (0-1000)
GregC 0:2f9598399d00 12 y = yAxis.read() * 1000;
GregC 0:2f9598399d00 13 if ( (x > 900) || (y > 900) )
GregC 0:2f9598399d00 14 button = 1;
GregC 0:2f9598399d00 15 else
GregC 0:2f9598399d00 16 button = 0;
GregC 0:2f9598399d00 17 }
GregC 0:2f9598399d00 18
GregC 0:2f9598399d00 19 int main()
GregC 0:2f9598399d00 20 {
GregC 0:2f9598399d00 21 // init interrupt, call every .2s
GregC 0:2f9598399d00 22 joystick.attach(joystick_Int_Handler,0.2);
GregC 0:2f9598399d00 23
GregC 0:2f9598399d00 24 // Print out the variables
GregC 0:2f9598399d00 25 while(1){
GregC 0:2f9598399d00 26 printf("\rX=%3d, Y=%3d, Button=%d",x,y,button);
GregC 0:2f9598399d00 27 }
GregC 0:2f9598399d00 28 }