Diff: main.cpp

Revision:

0:6c6907217e7a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 29 15:06:12 2018 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+#include "BiQuad.h"
+#include "HIDScope.h"
+
+Ticker      sample_timer;
+HIDScope    scope(2);
+
+BiQuadChain bqc;
+BiQuad BqNotch1( 9.98224e-01, -1.61516e+00, 9.98224e-01, -1.61555e+00, 9.98222e-01 );
+BiQuad BqNotch2( 1.00000e+00, -1.61804e+00, 1.00000e+00, -1.61764e+00, 9.98227e-01 );
+
+BiQuad BqHP( 9.86760e-01, -1.97352e+00, 9.86760e-01, -1.97334e+00, 9.73695e-01 );
+//BiQuad BqLP( 3.46041e-04, 6.92083e-04, 3.46041e-04, -1.94670e+00, 9.48082e-01 );
+
+Ticker emgSampleTicker;
+AnalogIn emg0( A0 );
+AnalogIn emg1 (A1) ;
+//volatile double emgFiltered;
+//volatile double emgSampleabs;
+
+void emgSample() 
+{
+double emgFiltered = bqc.step( emg0.read() );
+bqc.add( &BqNotch1 ).add( &BqNotch2 ).add( &BqHP );
+//emgSampleabs = fabs(emgFiltered); 
+}
+
+void sample()
+{
+    scope.set(0, emg0.read() );
+    scope.set(1, emg1.read() );
+    scope.send();
+}
+
+int main() 
+{
+emgSampleTicker.attach( &emgSample, 0.01 );
+sample_timer.attach(&sample, 0.002);
+while( true ){}
+}
\ No newline at end of file