Diff: main.cpp

Revision:

20:f7d281e3112b

Parent:

19:dbc1bca498e3

Child:

21:133e9390a42a

--- a/main.cpp	Mon Sep 29 12:01:13 2014 +0000
+++ b/main.cpp	Mon Sep 29 13:08:57 2014 +0000
@@ -13,10 +13,13 @@
 arm_biquad_casd_df1_inst_f32 lowpass;
 //constants for 5Hz lowpass
 float lowpass_const[] = {0.02008337 , 0.04016673 , 0.02008337 , 1.56101808 , -0.64135154};
-
+//state values
+float lowpass_states[4];
 arm_biquad_casd_df1_inst_f32 highpass;
 //constants for 0.5Hz highpass
 float highpass_const[] = {0.97803048, -1.95606096,  0.97803048, 1.95557824 , -0.95654368};
+//state values
+float highpass_states[4];
 
 
 /** Looper function
@@ -58,8 +61,8 @@
 {
 
    //set up filters. Use external array for constants
-    arm_biquad_cascade_df1_init_f32(&lowpass,1 , lowpass_const, lowpass.pState);
-    arm_biquad_cascade_df1_init_f32(&highpass,1 ,highpass_const,highpass.pState);
+    arm_biquad_cascade_df1_init_f32(&lowpass,1 , lowpass_const, lowpass_states);
+    arm_biquad_cascade_df1_init_f32(&highpass,1 ,highpass_const,highpass_states);
 
     /**Here you attach the 'void looper(void)' function to the Ticker object
     * The looper() function will be called every 0.01 seconds.