send tune tone

freedata_gui/src/components/main_modals.vue

@@ -7,7 +7,7 @@
    import { getStationInfoByCallsign, setStationInfoByCallsign } from "../js/stationHandler.js";
    import { settingsStore } from "../store/settingsStore.js";
    import { settingsStore as settings, onChange } from "../store/settingsStore.js";
-   import { sendModemTestFrame } from "../js/api";
+   import { sendModemTestFrame, sendSineTone } from "../js/api";
    import { newMessage, deleteCallsignFromDB } from "../js/messagesHandler.js";
    import main_startup_check from "./main_startup_check.vue";
 
@@ -579,7 +579,7 @@ const beaconHistogramData = computed(() => ({
                      @click="sendModemTestFrame()"
                      class="btn btn-danger"
                      >
-                  Transmit
+                  Transmit ( 5s )
                   </button>
                </div>
                <div class="input-group input-group-sm mb-1">
@@ -616,6 +616,33 @@ const beaconHistogramData = computed(() => ({
                      v-model.number="settings.remote.AUDIO.tx_audio_level"
                      /></span>
                </div>
+
+
+              <div class="input-group input-group-sm mb-1">
+                  <span class="input-group-text">Transmit sine</span>
+                  <button
+                     type="button"
+                     id="sendTestFrame"
+                     @click="sendSineTone(true)"
+                     class="btn btn-success"
+                     >
+                  Transmit ( max 30s )
+                  </button>
+
+                                <button
+                     type="button"
+                     id="sendTestFrame"
+                     @click="sendSineTone(false)"
+                     class="btn btn-danger"
+                     >
+                  Stop
+                  </button>
+
+               </div>
+
+
+
+
             </div>
          </div>
       </div>

freedata_gui/src/js/api.js

@@ -223,6 +223,10 @@ export async function sendModemTestFrame() {
   return await apiPost("/modem/send_test_frame");
 }
 
+export async function sendSineTone(state) {
+  return await apiPost("/radio/tune", {enable_tuning: state});
+}
+
 export async function startModem() {
   return await apiPost("/modem/start");
 }

freedata_server/modem.py

@@ -191,7 +191,37 @@ class Object:
 
         return True
 
+    def transmit_sine(self):
+        """ Transmit a sine wave for audio tuning"""
+        self.states.setTransmitting(True)
+        self.log.info(
+            "[MDM] TRANSMIT", mode="SINE"
+        )
+        start_of_transmission = time.time()
+
+        f0 = 1500
+        fs = 48000
+        max_duration = 30
+        signal = np.array([], dtype=np.int16)
+        t = np.linspace(0, max_duration, int(fs * max_duration), endpoint=False)
+        s = 0.5 * np.sin(2 * np.pi * f0 * t)
+        txbuffer_out = np.concatenate((signal, np.int16(s * 32767)))
+
+        # transmit audio
+        self.enqueue_audio_out(txbuffer_out)
+
+        end_of_transmission = time.time()
+        transmission_time = end_of_transmission - start_of_transmission
+        self.states.setTransmitting(False)
+
+        self.log.debug("[MDM] ON AIR TIME", time=transmission_time)
 
+    def stop_sine(self):
+        """ Stop transmitting sine wave"""
+        # clear audio out queue
+        self.audio_out_queue.queue.clear()
+        self.states.setTransmitting(False)
+        self.log.debug("[MDM] Stopped transmitting sine")
 
     def transmit_morse(self, repeats, repeat_delay, frames):
         self.states.waitForTransmission()

freedata_server/server.py

@@ -28,6 +28,7 @@
 import command_ping
 import command_feq
 import command_test
+import command_transmit_sine
 import command_arq_raw
 import command_message_send
 import event_manager
@@ -337,6 +338,23 @@ async def post_radio(request: Request):
         radio_manager.set_tuner(data['radio_tuner'])
     return api_response(data)
 
+@app.post("/radio/tune")
+async def post_radio(request: Request):
+    data = await request.json()
+    print(data)
+    if "enable_tuning" in data:
+        if data['enable_tuning']:
+            if not app.state_manager.is_modem_running:
+                api_abort("Modem not running", 503)
+            await enqueue_tx_command(command_transmit_sine.TransmitSine)
+        else:
+            app.service_manager.modem.stop_sine()
+    else:
+        app.service_manager.modem.stop_sine()
+
+
+    return api_response(data)
+
 @app.get("/freedata/messages")
 async def get_freedata_messages(request: Request):
     filters = {k: v for k, v in request.query_params.items() if v}