seiichi horie / Mbed 2 deprecated ifmag_noise_canceller

Experimental implementation of the adaptive filter of "Interface" magazine in 2016-2017

Dependencies:   amakusa mbed-dsp mbed shimabara ukifune unzen_nucleo_f746

Fork of skeleton_unzen_nucleo_f746 by seiichi horie

ハードウェアおよびソフトウェアはskelton_unzen_nucleo_f746を基本にしています。

Diff: vfo.cpp

Revision:
15:de22b9d147e0
Parent:
14:cec63d8da48c
Child:
16:d4ea3e6a0bce
--- a/vfo.cpp	Mon Jan 30 14:48:42 2017 +0000
+++ b/vfo.cpp	Mon Jan 30 15:01:29 2017 +0000
@@ -20,6 +20,22 @@
         // place the signal processing coce here
     for ( int i= 0; i< block_size; i++ )
     {
+            // 1 : if phase < half_way; 0 : others.
+        if ( this->style == square ) 
+        {
+            if ( this->current_phase < this->half_way )
+                out_buffer[i] = 0.5;
+            else
+                out_buffer[i] = 0.0;
+        }
+        
+            // to do, triangle.
+        
+            // update phase
+        this->current_phase += this->frequency;
+            // limit the range of the phase.
+        if ( this->current_phase >= this->Fs )
+            this->current_phase -= this->Fs;
     }
 }   // End of run()