Audio support with codec2, SX1280 on 2.4GHz only for now.

admin.proto

@@ -99,6 +99,11 @@ message AdminMessage {
     * TODO: REPLACE
     */
     CANNEDMSG_CONFIG = 6;
+
+    /*
+     * TODO: REPLACE
+     */
+    AUDIO_CONFIG = 7;
   }
 
   /*

localonly.proto

@@ -94,6 +94,11 @@ message LocalModuleConfig {
    */
   ModuleConfig.CannedMessageConfig canned_message = 7;
 
+  /*
+   * The part of the config that is specific to the Audio module
+   */
+  ModuleConfig.AudioConfig audio = 9;
+
   /*
    * A version integer used to invalidate old save files when we make
    * incompatible changes This integer is set at build time and is private to

module_config.proto

@@ -55,6 +55,52 @@ message ModuleConfig {
     bool json_enabled = 6;
   }
 
+  /*
+   * Audio Config for codec2 voice
+   */
+  message AudioConfig {
+
+    /*
+     * Baudrate for codec2 voice
+     */
+    enum Audio_Baud {
+      CODEC2_DEFAULT = 0;
+      CODEC2_3200 = 1; 
+      CODEC2_2400 = 2; 
+      CODEC2_1600 = 3; 
+      CODEC2_1400 = 4; 
+      CODEC2_1300 = 5; 
+      CODEC2_1200 = 6; 
+      CODEC2_700 = 7;
+      CODEC2_700B = 8; 
+    };
+
+    /*
+     * Whether Audio is enabled
+     */
+    bool codec2_enabled = 1;
+
+    /*
+     * ADC where Microphone is connected
+     */
+    uint32 mic_chan = 2;
+
+    /*
+     * DAC where Speaker is connected
+     */
+    uint32 amp_pin = 3;
+
+    /*
+     * PTT Pin
+     */
+    uint32 ptt_pin = 4;
+
+    /*
+     * The audio sample rate to use for codec2
+     */
+    Audio_Baud bitrate = 5;
+  }
+
   /*
    * Serial Config
    */
@@ -407,5 +453,10 @@ message ModuleConfig {
      */
     CannedMessageConfig canned_message = 7;
 
+    /*
+     * TODO: REPLACE
+     */
+    AudioConfig audio = 8;
+
   }
 }

portnums.proto

@@ -76,6 +76,11 @@ enum PortNum {
    */
   WAYPOINT_APP = 8;
 
+  /* Audio Payloads.
+   * Encapsulated codec2 packets. On 2.4 GHZ Bandwidths only for now
+   */
+  AUDIO_APP = 9;
+
   /*
    * Provides a 'ping' service that replies to any packet it receives.
    * Also serves as a small example module.