pour daan
Dependencies: HIDScope mbed-dsp mbed
Fork of Project5-filteringBiceps by
Revision 16:40d61297a7e1, committed 2014-10-16
- Comitter:
- DominiqueC
- Date:
- Thu Oct 16 12:31:01 2014 +0000
- Parent:
- 15:0c3fb81707a7
- Child:
- 17:969e8c86dc7a
- Commit message:
- notch aangepast coefficienten
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu Oct 16 12:23:59 2014 +0000 +++ b/main.cpp Thu Oct 16 12:31:01 2014 +0000 @@ -23,11 +23,11 @@ float notch_const[] = {0.9695312529087462, -0.0, 0.9695312529087462, 1, -0.0, 0.9390625058174924}; //state values float notch_states[4]; -arm_biquad_casd_df1_inst_f32 highpass; +//arm_biquad_casd_df1_inst_f32 highpass; //constants for 5Hz highpass -float highpass_const[] = {0.8948577513857248, -1.7897155027714495, 0.8948577513857248, 1, -1.7786300789392977, 0.8008009266036016}; +//float highpass_const[] = {0.8948577513857248, -1.7897155027714495, 0.8948577513857248, 1, -1.7786300789392977, 0.8008009266036016}; //state values -float highpass_states[4]; +//float highpass_states[4]; //constants for 80Hz lowpass //arm_biquad_casd_df1_inst_f32 lowpass; //float lowpass_const[] = {0.6389437261127493, 1.2778874522254986, 0.6389437261127493, 1, 1.1429772843080919, 0.41279762014290533}; @@ -49,8 +49,8 @@ emg_value_f32 = emg0.read(); //process emg - arm_biquad_cascade_df1_f32(&highpass, &emg_value_f32, &filtered_emg, 1 ); - arm_biquad_cascade_df1_f32(¬ch, &filtered_emg, &filtered_emg_notch, 1 ); + //arm_biquad_cascade_df1_f32(&highpass, &emg_value_f32, &filtered_emg, 1 ); + arm_biquad_cascade_df1_f32(¬ch, &emg_value_f32, &filtered_emg_notch, 1 ); //arm_biquad_cascade_df1_f32(¬ch, &filtered_emg_notch, &filtered_emg_lowpass, 1 ); //filtered_emg_abs = fabs(filtered_emg_lowpass); @@ -68,7 +68,7 @@ Ticker log_timer; //set up filters. Use external array for constants arm_biquad_cascade_df1_init_f32(¬ch,1 , notch_const, notch_states); - arm_biquad_cascade_df1_init_f32(&highpass,1 ,highpass_const,highpass_states); + //arm_biquad_cascade_df1_init_f32(&highpass,1 ,highpass_const,highpass_states); //arm_biquad_cascade_df1_init_f32(&lowpass,1 ,lowpass_const,lowpass_states); log_timer.attach(looper, 0.005);