From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
Date: Wed, 11 Jan 2023 14:57:46 +0000 (+0530)
Subject: attempt to add level control to transmitted CW samples
X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/priv/somewhere?a=commitdiff_plain;h=8837ae3c9eb59431cee1d8ef1fc808f631122796;p=pihpsdr.git

attempt to add level control to transmitted CW samples
---

diff --git a/transmitter.c b/transmitter.c
index 7520e75..7c7b7ba 100644
--- a/transmitter.c
+++ b/transmitter.c
@@ -1056,7 +1056,7 @@ static void full_tx_buffer(TRANSMITTER *tx) {
 	//
 	for (j=0; j< 480; j++) {
 	      new_protocol_iq_samples(0,0);
-	}	
+	}
     }
     txflag=1;
 //
@@ -1155,7 +1155,11 @@ void add_mic_sample(TRANSMITTER *tx,float mic_sample) {
   double mic_sample_double, ramp;
   int i,s;
   int updown;
+  double gain = 1.0;
 
+#ifdef SW_LEVEL_CTRL
+  gain=gain*(double)transmitter->drive_level*0.00392;
+#endif
 //
 // silence TX audio if tuning, or when doing CW.
 // (in order not to fire VOX)
@@ -1204,8 +1208,10 @@ void add_mic_sample(TRANSMITTER *tx,float mic_sample) {
 	// side tone
 	ramp=cwramp48[cw_shape];
 	cwsample=0.00197 * getNextSideToneSample() * cw_keyer_sidetone_volume * ramp;
-	if(active_receiver->local_audio) cw_audio_write(active_receiver,cwsample);
-        cw_shape_buffer48[tx->samples]=ramp;
+	if(active_receiver->local_audio)
+            cw_audio_write(active_receiver,cwsample);
+
+        cw_shape_buffer48[tx->samples]=ramp*gain;
 	//
 	// In the new protocol, we MUST maintain a constant flow of audio samples to the radio
 	// (at least for ANAN-200D and ANAN-7000 internal side tone generation)