Colin Monroe / Mbed 2 deprecated CKM_algorithmsMidterm_Q2

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Dependencies:   SLCD TSI mbed

Files at this revision

API Documentation at this revision

Revision 2:1771e1827f75, committed 2016-10-09

Comitter:
CKMonroe
Date:
Sun Oct 09 05:47:40 2016 +0000
Parent:
1:859677d7ccb4
Commit message:
Final revision after tests of precision of slider (program remains the same)

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Sun Oct 09 05:36:34 2016 +0000
+++ b/main.cpp	Sun Oct 09 05:47:40 2016 +0000
@@ -67,10 +67,19 @@
         
         //press right button - SELECT MODE (red led)
         if (displayState == 0){
+            
+            //turn on red led
             rled = 0.0;
             gled = 1.0;
             
-            sprintf (lcdData,"%2.1f",tsidata*100);  
+            //send data to LCD
+            //note that the tsidata read from the slider
+            //only reads 2 digits past the decimal (i.e. 0.88)
+            //as a percentage. Therefore, if we have the slider
+            //reach a max value of 100, i do not think the slider
+            //is precise enough to still be able to measure a value
+            //as precise as 0.1 to use for a step.
+            sprintf (lcdData,"%2.1f",tsidata*100 );  
             
         //if statement to read tsi
         if(dataTimer.read() > DATAINTERVAL){
@@ -87,11 +96,14 @@
             } //end if statement for display state = 0
         //press left button - CALC MODE (green led)
         else if (displayState == 1){
+            //turn on red led
             rled = 1.0;
             gled = 0.0;
             
+            //multiply tsidata percentage by 100
             float data = tsidata*100;
             
+            //initialize variables for calculation
             float xOld = 0.0;
             float xNew = 0.0;