Just update to master

sa_core.c

@@ -928,7 +928,8 @@ extern int SI4432_offset_changed;
 
 void set_freq(int V, unsigned long freq)    // translate the requested frequency into a setting of the SI4432
 {
-  if (old_freq[V] != freq) {             // Do not change HW if not needed
+  if (old_freq[V] == freq)             // Do not change HW if not needed
+    return;
   if (V <= 1) {
     SI4432_Sel = V;
     if (freq < 240000000 || freq > 960000000) {   // Impossible frequency, simply ignore, should never happen.
@@ -981,7 +982,6 @@ void set_freq(int V, unsigned long freq)    // translate the requested frequency
   }
   old_freq[V] = freq;
 }
-}
 
 void set_switch_transmit(void) {
   SI4432_Write_Byte(SI4432_GPIO0_CONF, 0x1f);// Set switch to transmit