From 281731d890bb0762b9f0d0aeb7206b4ba2914dce Mon Sep 17 00:00:00 2001
From: DJ2LS <75909252+DJ2LS@users.noreply.github.com>
Date: Tue, 27 Dec 2022 17:48:06 +0100
Subject: [PATCH] process rigctld response only if needed

---
 tnc/rigctld.py | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/tnc/rigctld.py b/tnc/rigctld.py
index 6a9fd928..c802eab9 100644
--- a/tnc/rigctld.py
+++ b/tnc/rigctld.py
@@ -101,7 +101,7 @@ class radio:
         self.sock.close()
         self.connected = False
 
-    def send_command(self, command) -> bytes:
+    def send_command(self, command, expect_answer) -> bytes:
         """Send a command to the connected rotctld instance,
             and return the return value.
 
@@ -122,7 +122,12 @@ class radio:
                 self.connected = False
 
             try:
-                return self.connection.recv(16)
+                # recv seems to be blocking so in case of ptt we dont need the response
+                # maybe this speeds things up and avoids blocking states
+                if expect_answer:
+                    return self.connection.recv(16)
+                else:
+                    return True
             except Exception:
                 self.log.warning(
                     "[RIGCTLD] No command response!",
@@ -146,7 +151,7 @@ class radio:
     def get_mode(self):
         """ """
         try:
-            data = self.send_command(b"m")
+            data = self.send_command(b"m", True)
             data = data.split(b"\n")
             data = data[0].decode("utf-8")
             if 'RPRT' not in data:
@@ -159,7 +164,7 @@ class radio:
     def get_bandwidth(self):
         """ """
         try:
-            data = self.send_command(b"m")
+            data = self.send_command(b"m", True)
             data = data.split(b"\n")
             data = data[1].decode("utf-8")
 
@@ -172,7 +177,7 @@ class radio:
     def get_frequency(self):
         """ """
         try:
-            data = self.send_command(b"f")
+            data = self.send_command(b"f", True)
             data = data.decode("utf-8")
             if 'RPRT' not in data:
                 self.frequency = data
@@ -184,7 +189,7 @@ class radio:
     def get_ptt(self):
         """ """
         try:
-            return self.send_command(b"t")
+            return self.send_command(b"t", True)
         except Exception:
             return False
 
@@ -199,9 +204,9 @@ class radio:
         """
         try:
             if state:
-                self.send_command(b"T 1")
+                self.send_command(b"T 1", False)
             else:
-                self.send_command(b"T 0")
+                self.send_command(b"T 0", False)
             return state
         except Exception:
             return False