Diff: ledCube.cpp

Revision:

1:5fcb94bb03db

Parent:

0:dc906408980e

Child:

2:9c075a0a6d4e

--- a/ledCube.cpp	Wed Oct 09 16:23:20 2013 +0000
+++ b/ledCube.cpp	Thu Oct 17 04:32:58 2013 +0000
@@ -1,8 +1,15 @@
+#include "mbed.h"
 #include "ledCube.h"
 #include "ledValues.h"
+#include "MCP23S17.h"
 
 // Set up the ledArray output pins
-ledCube::ledCube(){
+ledCube::ledCube()
+{
+    spi = new SPI(p11, p12, p13);
+    char Opcode = 0x40; // Used to start the spi communication with the DIP
+    chip = new MCP23S17(*spi, p20, Opcode);
+
     ledArray[0][0] = new DigitalOut(P000);
     ledArray[0][1] = new DigitalOut(P001);
     ledArray[0][2] = new DigitalOut(P002);
@@ -11,14 +18,14 @@
     ledArray[1][0] = new DigitalOut(P010);
     ledArray[1][1] = new DigitalOut(P011);
     ledArray[1][2] = new DigitalOut(P012);
-    ledArray[1][3] = new DigitalOut(P013);
-    ledArray[1][4] = new DigitalOut(P014);
-    ledArray[2][0] = new DigitalOut(P020);
-    ledArray[2][1] = new DigitalOut(P021);
-    ledArray[2][2] = new DigitalOut(P022);
-    ledArray[2][3] = new DigitalOut(P023);
-    ledArray[2][4] = new DigitalOut(P024);
-    ledArray[3][0] = new DigitalOut(P030);
+    ledArray[1][3] = NULL;
+    ledArray[1][4] = NULL;
+    ledArray[2][0] = NULL;
+    ledArray[2][1] = NULL;
+    ledArray[2][2] = NULL;
+    ledArray[2][3] = NULL;
+    ledArray[2][4] = NULL;
+    ledArray[3][0] = NULL;
     ledArray[3][1] = new DigitalOut(P031);
     ledArray[3][2] = new DigitalOut(P032);
     ledArray[3][3] = new DigitalOut(P033);
@@ -28,24 +35,93 @@
     ledArray[4][2] = new DigitalOut(P042);
     ledArray[4][3] = new DigitalOut(P043);
     ledArray[4][4] = new DigitalOut(P044);
-    
+    //  Set all 8 Port A bits to output direction
+    (*chip).direction(PORT_A, 0x00);
+    //  Set all 8 Port B bits to output direction
+    (*chip).direction(PORT_B, 0x00);
     lastLedLit = NULL;
+    (*chip).write(PORT_A, spiCurrentlyLit);
+}
+// Light the LED at the specified row, column, layer coordinate
+void ledCube::turnOnLed(char row, char column, char layer)
+{
+    if(ledArray[row][column] != NULL){
+        *ledArray[row][column] = 1;
+    }
+    else{
+        if( row == 1 && column == 3){
+            spiCurrentlyLit |= 0x01;   
+        }
+        else if(row == 1 && column == 4){
+            spiCurrentlyLit |= 0x02;
+        }
+        else if(row == 2 && column == 0){
+            spiCurrentlyLit |= 0x04;
+        }
+        else if(row == 2 && column == 1){
+            spiCurrentlyLit |= 0x08;
+        }
+        else if(row == 2 && column == 2){
+            spiCurrentlyLit |= 0x10;
+        }
+        else if(row == 2 && column == 3){
+            spiCurrentlyLit |= 0x20;
+        }
+        else if(row == 2 && column == 4){
+            spiCurrentlyLit |= 0x40;
+        }
+        else if(row == 3 && column == 0){
+            spiCurrentlyLit |= 0x80;
+        }
+        (*chip).write(PORT_A, spiCurrentlyLit);
+    }
 }
 
-// Light the LED at the specified row, column, layer coordinate
-void ledCube::lightLed(char row, char column, char layer){
-    //if(lastLedLit != NULL){
-    //    *lastLedLit = 0;
-    //}
-    *ledArray[row][column] = 1;
-    //lastLedLit = ledArray[row][column];
+void ledCube::turnOffLed(char row, char column, char layer)
+{
+    if(ledArray[row][column] != NULL){
+        *ledArray[row][column] = 0;
+    }
+    else{
+        if( row == 1 && column == 3){
+            spiCurrentlyLit &= ~(0x01);   
+        }
+        else if(row == 1 && column == 4){
+            spiCurrentlyLit &= ~(0x02);
+        }
+        else if(row == 2 && column == 0){
+            spiCurrentlyLit &= ~(0x04);
+        }
+        else if(row == 2 && column == 1){
+            spiCurrentlyLit &= ~(0x08);
+        }
+        else if(row == 2 && column == 2){
+            spiCurrentlyLit &= ~(0x10);
+        }
+        else if(row == 2 && column == 3){
+            spiCurrentlyLit &= ~(0x20);
+        }
+        else if(row == 2 && column == 4){
+            spiCurrentlyLit &= ~(0x40);
+        }
+        else if(row == 3 && column == 0){
+            spiCurrentlyLit &= ~(0x80);
+        }
+        (*chip).write(PORT_A, spiCurrentlyLit);
+    }
 }
 
-void ledCube::turnOffLed(char row, char column, char layer){
-    *ledArray[row][column] = 0;
+void ledCube::blink()
+{
+    for(char i = 0; i < 5; i++) {
+        for(char j = 0; j < 5; j++) {
+            turnOnLed(i,j,0);
+        }
+    }
+    wait(.3);
+    for(char i = 0; i < 5; i++) {
+        for(char j = 0; j < 5; j++) {
+            turnOffLed(i,j,0);
+        }
+    }
 }
-
-void ledCube::drawHorLine(char startRow, char startCol, char endRow, char endCol){
-
-}
-