Diff: main.cpp

Revision:

4:5d27966f93e4

Parent:

3:161fed8bd027

Child:

5:03d75ad40d5e

--- a/main.cpp	Sun Nov 23 05:45:51 2014 +0000
+++ b/main.cpp	Mon Nov 24 00:49:48 2014 +0000
@@ -11,10 +11,15 @@
 
 //LED stuff
 I2C i2c(D7,D6);
-Adafruit_24bargraph ledbar=Adafruit_24bargraph(&i2c);
+Adafruit_24bargraph ledbar_left=Adafruit_24bargraph(&i2c);
+
+//I2C i2c(D7,D6);
+//Adafruit_24bargraph ledbar_right=Adafruit_24bargraph(&i2c);
+
 DebounceIn upbutton(D9);
 DebounceIn downbutton(D8);
-
+//DebounceIn leftbutton( );
+//DebounceIn rightbutton( );
 
 //Scanner stuff
 
@@ -58,16 +63,21 @@
 
     float test_val = .001;
     float row_volt = 0;
-    int con_mat[8][8] = {};
+    int con_mat[24][2] = {};
     int a1,b1,c1,a2,b2,c2;
+    float volt_mat[24][2] = {};
     //dac = test_val;
 
 
     //LED init
-    int redcount = 0, greencount = 0, rowselect = 0, rowselect_old = 0, moved = 1;
-    ledbar.begin(0x70);
-    ledbar.clear();
-    ledbar.writeDisplay();
+    int redcount = 0, greencount = 0, rowselect = 0, rowselect_old = 0, moved = 1, colselect = 0;
+    ledbar_left.begin(0x70);
+    ledbar_left.clear();
+    ledbar_left.writeDisplay();
+    
+    ledbar_right.begin(0x70);
+    ledbar_right.clear();
+    ledbar_right.writeDisplay();
 
     //LCD init
     lcd.cls();
@@ -79,10 +89,17 @@
         
         //Display
 
-        ledbar.setBar(rowselect_old,LED_OFF);
-        ledbar.setBar(rowselect,LED_GREEN);
-        ledbar.writeDisplay();
-
+        if (colselect == 0) {
+        ledbar_left.setBar(rowselect_old,LED_OFF);
+        ledbar_left.setBar(rowselect,LED_GREEN);
+        ledbar_left.writeDisplay();
+        ledbar_right.writeDisplay();
+        }
+        else
+        ledbar_right.setBar(rowselect_old,LED_OFF);
+        ledbar_right.setBar(rowselect,LED_GREEN);
+        ledbar_right.writeDisplay();
+        ledbar_left.writeDisplay();
 
         //Moving the selected row
         if (upbutton.read() == 0) {
@@ -98,6 +115,18 @@
             moved = 1;
             wait(0.75);
         }
+        
+        if (leftbutton.read() == 0) {
+            colselect = 0;
+            wait(0.75);
+            ledbar_right.clear();
+        }
+        
+        if (rightbutton.read() == 0) {
+            colselect = 1;
+            wait(0.75);
+            ledbar_left.clear();
+         }
 
         //Boundary checking
         if (rowselect > 23) {
@@ -183,5 +212,56 @@
 }
 
 
+/*
+
+//Scans rows connected to vdd and ground. Vdd = 2 in con mat, Ground = 3. Rows connected to selected row = 1.
+
+//SET MULTIPLEXER TO READ VDD
+vddval = adc.read();
+
+//SET MULTIPLEXER TO READ SELECTED ROW
+rowval = adc.read();
+
+for (int x = 0; x < 2; x++) {
+        for (int y = 0; y < 24; y++) {
+        A_in = x%2;
+        a1 = x%2;
+        B_in = (x/2)%2;
+        b1 = (x/2)%2;
+        C_in = (x/4)%2;
+        c1 = (x/4)%2;
+
+        A_out = y%2;
+        int a2 = y%2;
+        B_out = (y/2)%2;
+        b2 = (y/2)%2;
+        C_out = (y/4)%2;
+        c2 = (y/4)%2;
+
+        float in_val = adc.read();
+        volt_mat[x][y] = in_val;
+        
+        if (in_val == vddval){
+            con_mat[x][y] = 2;
+            }
+        if (in_val == 0){
+            con_mat[x][y] = 3;
+            }
+        if (in_val == rowval){
+            con_mat[x][y] = 1;
+            }
+        else
+            con_mat[x][y] = 0;
+        }
+        }
+
+//Q: Do we need to do the same test for ground or can 0.00 be assumed?
+//Q: What is the most efficient way to compare all the "volt_mat" elements? 
+//Q: Do we need to add a "confidence interval" around the rowval and vdd tests?
 
 
+
+
+
+*/
+