From 289f928c573999790be7eebe865c0c47d22cdc29 Mon Sep 17 00:00:00 2001
From: dttsp <dttsp>
Date: Mon, 2 May 2005 12:50:41 +0000
Subject: [PATCH 1/1] added on/off switching for aux input port mix

---
 jDttSP/sdr.c       | 17 ++++++++++-------
 jDttSP/sdrexport.h |  5 ++++-
 jDttSP/update.c    | 32 ++++++++++++++++++++++++++------
 3 files changed, 40 insertions(+), 14 deletions(-)

diff --git a/jDttSP/sdr.c b/jDttSP/sdr.c
index 8201b9d..b3b2818 100644
--- a/jDttSP/sdr.c
+++ b/jDttSP/sdr.c
@@ -76,7 +76,8 @@ setup_all(void) {
   uni.multirx.lis = 0;
   uni.multirx.nrx = loc.def.nrx;
 
-  uni.mix.rx = uni.mix.tx = 1.0;
+  uni.mix.rx.flag = uni.mix.tx.flag = FALSE;
+  uni.mix.rx.gain = uni.mix.tx.gain = 1.0;
 
   uni.tick = 0;
 }
@@ -739,17 +740,19 @@ process_samples(float *bufl, float *bufr,
 	CXBhave(rx[k].buf.o) = n;
       }
 
-    for (i = 0; i < n; i++)
-      bufl[i] += auxl[i] * uni.mix.rx,
-      bufr[i] += auxr[i] * uni.mix.rx;
+    if (uni.mix.rx.flag)
+      for (i = 0; i < n; i++)
+	bufl[i] += auxl[i] * uni.mix.rx.gain,
+	bufr[i] += auxr[i] * uni.mix.rx.gain;
 
     break;
 
   case TX:
 
-    for (i = 0; i < n; i++)
-      bufl[i] += auxl[i] * uni.mix.tx,
-      bufr[i] += auxr[i] * uni.mix.tx;
+    if (uni.mix.tx.flag)
+      for (i = 0; i < n; i++)
+	bufl[i] += auxl[i] * uni.mix.tx.gain,
+	bufr[i] += auxr[i] * uni.mix.tx.gain;
 
     for (i = 0; i < n; i++)
       CXBimag(tx.buf.i, i) = bufl[i], CXBreal(tx.buf.i, i) = bufr[i];
diff --git a/jDttSP/sdrexport.h b/jDttSP/sdrexport.h
index 477f112..9900339 100644
--- a/jDttSP/sdrexport.h
+++ b/jDttSP/sdrexport.h
@@ -102,7 +102,10 @@ extern struct _uni {
   } multirx;
 
   struct {
-    REAL rx, tx;
+    struct {
+      BOOLEAN flag;
+      REAL gain;
+    } rx, tx;
   } mix;
 
   long tick;
diff --git a/jDttSP/update.c b/jDttSP/update.c
index 5962cb1..4552cd2 100644
--- a/jDttSP/update.c
+++ b/jDttSP/update.c
@@ -744,20 +744,39 @@ setRXPan(int n, char **p) {
 }
 
 PRIVATE int
-setAuxMix(int n, char **p) {
+setAuxMixSt(int n, char **p) {
   if (n < 1) {
-    uni.mix.rx = uni.mix.tx = 1.0;
+    uni.mix.rx.flag = uni.mix.tx.flag = FALSE;
+    return 0;
+  } else {
+    BOOLEAN flag = atoi(p[0]);
+    if (n > 1) {
+      switch (atoi(p[1])) {
+      case TX: uni.mix.tx.flag = flag; break;
+      case RX:
+      default: uni.mix.rx.flag = flag; break;
+      }
+    } else
+      uni.mix.rx.flag = uni.mix.tx.flag = flag;
+    return 0;
+  }
+}
+
+PRIVATE int
+setAuxMixGain(int n, char **p) {
+  if (n < 1) {
+    uni.mix.rx.gain = uni.mix.tx.gain = 1.0;
     return 0;
   } else {
     REAL gain = dB2lin(atof(p[0]));
     if (n > 1) {
       switch (atoi(p[1])) {
-      case TX: uni.mix.tx = gain; break;
+      case TX: uni.mix.tx.gain = gain; break;
       case RX:
-      default: uni.mix.rx = gain; break;
+      default: uni.mix.rx.gain = gain; break;
       }
     } else
-      uni.mix.rx = uni.mix.tx = gain;
+      uni.mix.rx.gain = uni.mix.tx.gain = gain;
     return 0;
   }
 }
@@ -819,7 +838,8 @@ CTE update_cmds[] = {
   {"setRXOn", setRXOn},
   {"setRXOff", setRXOff},
   {"setRXPan", setRXPan},
-  {"setAuxMix", setAuxMix},
+  {"setAuxMixSt", setAuxMixSt},
+  {"setAuxMixGain", setAuxMixGain},
   { 0, 0 }
 };
 
-- 
2.45.2