Stream-lined "receiver change sample rate" for the PS_FEEDBACK

receiver (this is only called in P1, and only used to set the
parameters of the spectrum).

diff --git a/receiver.c b/receiver.c
index 96cdac1ee4b4a1706ec2f6d3bc8e6c1bc7c0e86e..552aa82fdfc9262ffd44047ccdac71d20917f5de 100644 (file)
--- a/receiver.c
+++ b/receiver.c
@@ -1232,16 +1232,17 @@ void receiver_change_sample_rate(RECEIVER *rx,int sample_rate) {
   rx->hz_per_pixel=(double)rx->sample_rate/(double)rx->width;
 
 g_print("%s: id=%d rate=%d scale=%d buffer_size=%d output_samples=%d\n",__FUNCTION__,rx->id,sample_rate,scale,rx->buffer_size,rx->output_samples);
+
 #ifdef PURESIGNAL
-  if (rx->id == PS_RX_FEEDBACK) {
-    if (canTransmit) {
-      if (protocol == ORIGINAL_PROTOCOL) {
-        rx->pixels = 2* scale * rx->width;
-      } else {
-        // We should never arrive here, since the sample rate of the
-        // PS feedback receiver is fixed.
-        rx->pixels = 8 * rx->width;
-      }
+  //
+  // In the old protocol, the RX_FEEDBACK sample rate is tied
+  // to the radio's sample rate and therefore may vary.
+  // Since there is no downstream WDSP receiver her, the only thing
+  // we have to do here is to adapt the spectrum display of the
+  // feedback and must then return (rx->id is not a WDSP channel!)
+  // 
+  if (rx->id == PS_RX_FEEDBACK && protocol == ORIGINAL_PROTOCOL) {
+      rx->pixels = 2* scale * rx->width;
       g_free(rx->pixel_samples);
       rx->pixel_samples=g_new(float,rx->pixels);
       init_analyzer(rx);