Diff: main.cpp

Revision:

7:5f1c0bcd3f69

Parent:

6:6f0bc2e465b0

Child:

8:37563d2ec529

--- a/main.cpp	Mon Oct 20 09:50:55 2014 +0000
+++ b/main.cpp	Mon Oct 20 09:54:15 2014 +0000
@@ -49,10 +49,10 @@
     return yhp1;
 }
 
-float lpfilter1(float yhp1)
+float lpfilter1(float emg_value)
 {
     static float x1=0,y1=0,x2=0, y2=0,x;
-    x = yhp1;
+    x = emg_value;
     ylp1 = A1LP1*x1-B1LP1*y1+A0LP1*x2-B0LP1*y2;
     x2 = x1;
     x1 = x;
@@ -61,10 +61,10 @@
     return ylp1;
 }
 
-float notchfilter(float ylp1)
+float notchfilter(float emg_value)
 {
     static float yn,x1=0,x2=0,y1=0,y2=0,x;
-    x = ylp1;
+    x = emg_value;
     yn = A0N*x + A1N*x1+A2N*x2+B1N*y1+B2N*y2;
     x2 = x1;
     x1 = x;
@@ -100,8 +100,8 @@
         looptimerflag = false;
         emg_value =  readEMG();
         yhp1 = hpfilter1(emg_value);  //function hpfilter
-        ylp1 = lpfilter1(yhp1);       //function filter
-        yn = notchfilter(ylp1);
+        ylp1 = lpfilter1(emg_value);       //function filter
+        yn = notchfilter(emg_value);
         ysum = ysum+yn;
         n++;