5 buttons for each hand - chorded keyboard

Dependencies:   PinDetect USBDevice mbed

Fork of USBKeyboard_HelloWorld by Samuel Mokrani

Files at this revision

API Documentation at this revision

Comitter:
saurabhmitra
Date:
Sun Sep 13 09:03:16 2015 +0000
Parent:
6:17871da2a7e4
Commit message:
HW 2 finished

Changed in this revision

PinDetect.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r 17871da2a7e4 -r 05d567c0f879 PinDetect.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PinDetect.lib	Sun Sep 13 09:03:16 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/AjK/code/PinDetect/#cb3afc45028b
diff -r 17871da2a7e4 -r 05d567c0f879 main.cpp
--- a/main.cpp	Fri Mar 01 13:23:58 2013 +0000
+++ b/main.cpp	Sun Sep 13 09:03:16 2015 +0000
@@ -1,21 +1,73 @@
 #include "mbed.h"
 #include "USBKeyboard.h"
- 
-//LED1: NUM_LOCK
-//LED2: CAPS_LOCK
-//LED3: SCROLL_LOCK
-BusOut leds(LED1, LED2, LED3);
- 
+// #include "DigitalIn.h"
+
+#define NUM_WAIT 80
+#define DELAY 2
+
+BusOut leds( LED1, LED2, LED3, LED4 );
+BusIn pins(D3,D4,D5,D6,D7,D8,D9,D10,D11,D12);
+
 //USBKeyboard
 USBKeyboard keyboard;
- 
+
 int main(void) {
+    leds = 255;
+    int old_pins = 0;
+    char count = 0;
     while (1) {
-        keyboard.mediaControl(KEY_VOLUME_DOWN);
-        keyboard.printf("Hello World from Mbed\r\n");
-        keyboard.keyCode('s', KEY_CTRL);
-        keyboard.keyCode(KEY_CAPS_LOCK);
-        wait(1);
-        leds = keyboard.lockStatus();
+        if (old_pins == pins.read()) {
+//            keyboard.printf("Count: %d\r\n", count);
+            count++;
+        } else {
+            count = 0;
+        }
+        old_pins = pins.read();
+        if (count >= NUM_WAIT) {
+//            keyboard.printf("%d\r\n", ~(pins.read()));
+            old_pins = 0x3ff & (~old_pins); // make sure all other bits are 0 (after the 10 lowest order)
+            switch(old_pins) {
+                case 0x000: break;
+                // Vowels on left hand - one per finger
+                case 0x001: keyboard.printf("a");break;
+                case 0x002: keyboard.printf("e");break;
+                case 0x004: keyboard.printf("i");break;
+                case 0x008: keyboard.printf("o");break;
+                case 0x010: keyboard.printf("u");break;
+                
+                // Consonants on right hand, different combos
+                case 0x020: keyboard.printf("t");break;
+                case 0x040: keyboard.printf("n");break;
+                case 0x080: keyboard.printf("s");break;
+                case 0x100: keyboard.printf("h");break;
+                case 0x200: keyboard.printf("r");break;
+                case 0x060: keyboard.printf("d");break;
+                case 0x0A0: keyboard.printf("l");break;
+                case 0x120: keyboard.printf("c");break;
+                case 0x220: keyboard.printf("m");break;
+                case 0x0C0: keyboard.printf("w");break;
+                case 0x140: keyboard.printf("f");break;
+                case 0x240: keyboard.printf("g");break;
+                case 0x180: keyboard.printf("y");break;
+                case 0x280: keyboard.printf("p");break;
+                case 0x300: keyboard.printf("b");break;
+                case 0x0E0: keyboard.printf("v");break;
+                case 0x160: keyboard.printf("k");break;
+                case 0x260: keyboard.printf("j");break;
+                case 0x1a0: keyboard.printf("x");break;
+                case 0x2a0: keyboard.printf("q");break;
+                case 0x320: keyboard.printf("z");break;
+                
+                // Special Keys
+                case 0x003: keyboard.printf("\r\n");break;
+                case 0x005: keyboard.printf(" ");break;
+                case 0x009: keyboard.keyCode(KEY_CAPS_LOCK);break;
+                case 0x011: keyboard.printf("\b");break;
+                
+                default:
+                    break;
+            }
+        }
+        wait_ms(DELAY);
     }
 }
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