main.cpp

00001 #include "mbed.h"
00002 #include "USBKeyboard.h"
00003 #include "PinDetect.h"
00004 
00005 USBKeyboard keyboard;
00006 
00007 PinDetect button1(D4); // Left
00008 PinDetect button2(D5); // Right
00009 PinDetect button3(D6); // Space
00010 PinDetect button4(D7); // Shift
00011 
00012 DigitalOut myled(LED1);
00013 
00014 int state[4];
00015 
00016 void button1_pressed() {
00017     state[0] = 1;
00018 }
00019 void button2_pressed() {
00020     state[1] = 1;
00021 }
00022 void button3_pressed() {
00023     state[2] = 1;
00024 }
00025 void button4_pressed() {
00026     state[3] = 1;
00027 }
00028 
00029 void button1_released() {
00030     state[0] = 0;
00031 }
00032 void button2_released() {
00033     state[1] = 0;
00034 }
00035 void button3_released() {
00036     state[2] = 0;
00037 }
00038 void button4_released() {
00039     state[3] = 0;
00040 }
00041 
00042 void exec_keycode(int state[], USBKeyboard keyboard) {
00043     if (state[0] == 1) {
00044         keyboard.keyCode('a');
00045     }
00046     if (state[1] == 1) {
00047         keyboard.keyCode('d');
00048     }
00049     if (state[2] == 1) {
00050         keyboard.keyCode(32);
00051     }
00052     if (state[3] == 1) {
00053         keyboard.keyCode(16);
00054     }
00055 }
00056 
00057 int main() {
00058 
00059     /*Add callback functions for events when buttons are pressed. */
00060     button1.attach_asserted(&button1_pressed);
00061     button2.attach_asserted(&button2_pressed);
00062     button3.attach_asserted(&button3_pressed);
00063     button4.attach_asserted(&button4_pressed);
00064 
00065     /*Add callback functions for events when buttons are released. */
00066     button1.attach_deasserted(&button1_released);
00067     button2.attach_deasserted(&button2_released);
00068     button3.attach_deasserted(&button3_released);
00069     button4.attach_deasserted(&button4_released);
00070 
00071     button1.setAssertValue(0);
00072     button2.setAssertValue(0);
00073     button3.setAssertValue(0);
00074     button4.setAssertValue(0);
00075 
00076     button1.setSampleFrequency();
00077     button2.setSampleFrequency();
00078     button3.setSampleFrequency();
00079     button4.setSampleFrequency();
00080     
00081     for (;;) {
00082         if (state[0] == 1) {
00083             keyboard.keyCode('a');
00084         }
00085         if (state[1] == 1) {
00086             keyboard.keyCode('d');
00087         }
00088         if (state[2] == 1) {
00089             keyboard.keyCode(32);
00090         }
00091         if (state[3] == 1) {
00092             keyboard.keyCode(16);
00093         }
00094         wait(0.1);
00095     }
00096 }