Will Porter's Hw2 Code - Glove based chording keyboard.

Dependencies:   PinDetect_KL25Z mbed

Revision:
0:dd99cec76b82
diff -r 000000000000 -r dd99cec76b82 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Sep 14 17:22:39 2015 +0000
@@ -0,0 +1,143 @@
+#include "mbed.h"
+#include "PinDetect.h"
+
+Serial pc(USBTX,USBRX);
+
+char alphabet[] = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','\0'};
+int indices[] = {128,64,32,8,4,2,136,132,130,129,72,68,66,65,40,36,34,33,24,20,18,17,96,6,12,3};
+
+DigitalOut highPin(D15); // Pin Used to bring left side buttons high may not be needed
+bool boolArray[8];
+
+// Left side pins
+PinDetect L1(PTD3);
+PinDetect L2(PTD2);
+PinDetect L3(PTD0);
+PinDetect L4(PTC8);
+
+// Right side pins
+PinDetect R1(PTA16);
+PinDetect R2(PTC17);
+PinDetect R3(PTC16);
+PinDetect R4(PTC11);
+
+// Left Button ISRs
+void L1ButtonHeld(void){
+    boolArray[0] = 0;
+    }
+void L1ButtonRelease(void){
+    boolArray[0] = 1;
+    }   
+void L2ButtonHeld(void){
+    boolArray[1] = 0;
+    }
+void L2ButtonRelease(void){
+    boolArray[1] = 1;
+    }       
+void L3ButtonHeld(void){
+    boolArray[2] = 0;
+    }
+void L3ButtonRelease(void){
+    boolArray[2] = 1;
+    }   
+void L4ButtonHeld(void){
+    boolArray[3] = 0;
+    }
+void L4ButtonRelease(void){
+    boolArray[3] = 1;
+    }   
+
+// Right Side ISRs
+void R1ButtonHeld(void){
+    boolArray[4] = 0;
+    }
+void R1ButtonRelease(void){
+     boolArray[4] = 1;
+    }   
+void R2ButtonHeld(void){
+    boolArray[5] = 0;
+    }
+void R2ButtonRelease(void){
+    boolArray[5] = 1;
+    }   
+void R3ButtonHeld(void){
+    boolArray[6] = 0;
+    }
+void R3ButtonRelease(void){
+    boolArray[6] = 1;
+    }   
+void R4ButtonHeld(void){
+    boolArray[7] = 0;
+    }
+void R4ButtonRelease(void){
+    boolArray[7] = 1;
+    }   
+
+int main() {
+    pc.printf("Starting\n\r");
+    highPin = 1;
+
+    L1.attach_asserted(&L1ButtonHeld);
+    L1.attach_deasserted(&L1ButtonRelease);
+    L1.setSampleFrequency();
+    L1.mode(PullUp);
+
+    L2.attach_asserted(&L2ButtonHeld);
+    L2.attach_deasserted(&L2ButtonRelease);
+    L2.setSampleFrequency();
+    L2.mode(PullUp);
+    
+    L3.attach_asserted(&L3ButtonHeld);
+    L3.attach_deasserted(&L3ButtonRelease);
+    L3.setSampleFrequency();
+    L3.mode(PullUp);
+
+    L4.attach_asserted(&L4ButtonHeld);
+    L4.attach_deasserted(&L4ButtonRelease);
+    L4.setSampleFrequency();
+    L4.mode(PullUp);
+
+    R1.attach_asserted(&R1ButtonHeld);
+    R1.attach_deasserted(&R1ButtonRelease);
+    R1.setSampleFrequency();
+    R1.mode(PullUp);
+
+    R2.attach_asserted(&R2ButtonHeld);
+    R2.attach_deasserted(&R2ButtonRelease);
+    R2.setSampleFrequency();
+    R2.mode(PullUp);
+
+    R3.attach_asserted(&R3ButtonHeld);
+    R3.attach_deasserted(&R3ButtonRelease);
+    R3.setSampleFrequency();
+    R3.mode(PullUp);
+
+    R4.attach_asserted(&R4ButtonHeld);
+    R4.attach_deasserted(&R4ButtonRelease);
+    R4.setSampleFrequency();
+    R4.mode(PullUp);
+   
+    while(1) {
+        int num = 0;
+        int pow = 1;
+        
+        for (int i = 7; i>-1; i--){
+            num = num + boolArray[i] * pow;
+            pow = pow * 2;
+        }
+        
+        for (int i = 0; i < 27; i++){
+            if (num == indices[i]){
+                pc.printf("%c",alphabet[i]);
+            }
+        }
+            if  (num == 16){
+                pc.printf("\b \b");
+            }
+            
+            if (num == 1){
+                pc.printf(" ");
+            }
+        
+        wait(0.2);
+}