Add support for MMDVM HATs

Cargo.toml

@@ -20,6 +20,7 @@ futures = "^0.3"
 futures-core = "^0.3"
 futures-util = "^0.3"
 futures-timer = "^3.0.1"
+serialport = { version = "^3.2", default-features = false }
 
 [dependencies.tokio]
 version = "^1.15.0"

src/config.rs

@@ -76,6 +76,24 @@ impl Default for RFM69Config {
     }
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(default)]
+pub struct MMDVMConfig {
+    pub port: String,
+    pub inverted: bool,
+    pub level: f32
+}
+
+impl Default for MMDVMConfig {
+    fn default() -> MMDVMConfig {
+        MMDVMConfig { 
+            port: String::from("/dev/ttyAMA0"),
+            inverted: false,
+            level: 50.0
+        }
+    }
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(default)]
 pub struct AudioConfig {
@@ -172,6 +190,7 @@ pub enum Transmitter {
     Raspager,
     Raspager2,
     RFM69,
+    MMDVM
 }
 
 impl Default for Transmitter {
@@ -189,6 +208,7 @@ impl fmt::Display for Transmitter {
             Transmitter::Raspager => "Raspager1",
             Transmitter::Raspager2 => "Raspager2",
             Transmitter::RFM69 => "RFM69",
+            Transmitter::MMDVM => "MMDVM"
         };
         write!(f, "{}", name)
     }
@@ -204,6 +224,7 @@ pub struct Config {
     pub c9000: C9000Config,
     pub audio: AudioConfig,
     pub rfm69: RFM69Config,
+    pub mmdvm: MMDVMConfig
 }
 
 pub fn get() -> Config {

src/frontend/assets/index.html

@@ -30,6 +30,7 @@ <h3>Configuration</h3>
 <!--                  <option value="Raspager2">Raspager 2</option>-->
                   <option>C9000</option>
                   <option>RFM69</option>
+                  <option>MMDVM</option>
                 </select>
               </div>
               <div v-if="config.master.standalone_mode !== true">
@@ -265,6 +266,34 @@ <h3>PTT Config</h3>
             </div>
           </div>
 
+          <div class="box" v-if="config.transmitter == 'MMDVM'">
+            <div class="box-header">
+              <h3>MMDVM Config</h3>
+            </div>
+            <div class="box-content">
+              <div class="form-row">
+                <div class="form-group">
+                  <label for="mmdvm-port">Serial Port</label>
+                  <input type="text" id="mmdvm-port"
+                    v-model="config.mmdvm.port">
+                </div>
+              </div>
+              <div class="form-row">
+                <div class="form-group">
+                  <label for="mmdvm-level">POCSAG TX Level: {{config.mmdvm.level}}</label>
+                  <input type="range" id="mmdvm-level"
+                    v-model.number="config.mmdvm.level"
+                    step="1" min="0" max="100">
+                </div>
+                <div class="form-group">
+                  <label for="mmdvm-inverted">Inverted</label>
+                  <input type="checkbox" id="mmdvm-inverted"
+                    v-model="config.mmdvm.inverted">
+                </div>
+              </div>
+            </div>
+          </div>
+
           <div class="box">
             <div class="box-header">
               <h3>Send Message</h3>

src/frontend/assets/main.js

@@ -14,7 +14,8 @@ var vm = new Vue({
             master: {},
             audio: {},
             c9000: {},
-            raspager: {}
+            raspager: {},
+            mmdvm: {}
         },
         telemetry: {
             node: {},

src/transmitter/mmdvm/mod.rs

@@ -0,0 +1,3 @@
+mod transmitter;
+
+pub use self::transmitter::MMDVMTransmitter;