WILLY BAYOT / TDEMNucleo

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Dependencies:   mbed-src anaDMA stm32_adafruit

Files at this revision

API Documentation at this revision

Revision 3:e0293a583075, committed 2015-01-03

Comitter:
willybayot
Date:
Sat Jan 03 15:49:27 2015 +0000
Parent:
2:9f43dda627e1
Child:
4:1540ef317898
Commit message:
revision 4;

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Sat Jan 03 15:44:24 2015 +0000
+++ b/main.cpp	Sat Jan 03 15:49:27 2015 +0000
@@ -65,7 +65,8 @@
             reading[0][0] += reading[0][i];
         reading[0][0] /= integration_ratio;           // Average reading
         if (sample_count == 0) {                // If first reading of session, save reading into ground reference signal level
-            ref_reading[0] = reading[0][0];
+            for (i=0; i < integration_ratio;i++)
+                ref_reading[i] = reading[0][i];
             sample_count++;
             }
         delta = ref_reading[0] - reading[0][0];          // Delta is the gradient
@@ -74,7 +75,8 @@
         else 
             buzzer.period_ms(0);
         if (delta != 0 && abs(delta) <= 0.01 )  // If delta is small enough but not nul, update the ref_reading with th ecurrent reading through a powerful low pass FIR filter.
-            ref_reading[0] = (ref_reading[0]*127 + reading[0][0] ) / 128;
+            for (i=0; i < integration_ratio;i++)
+               ref_reading[i] = (ref_reading[i]*127 + reading[0][i] ) / 128;
         if (button == 0) {                      // pushing again on the button and relasing it stops the session
             while (button == 0)
                 ;