In progress ...

radio/src/gui/128x64/menus.h

@@ -79,6 +79,7 @@ enum MenuRadioIndexes
   MENU_RADIO_SWITCHES_TEST,
   MENU_RADIO_ANALOGS_TEST,
   MENU_RADIO_HARDWARE,
+  MENU_RADIO_SPECTRUM,
   MENU_RADIO_CALIBRATION,
   MENU_RADIO_PAGES_COUNT
 };
@@ -91,6 +92,7 @@ void menuRadioVersion(event_t event);
 void menuRadioDiagKeys(event_t event);
 void menuRadioDiagAnalogs(event_t event);
 void menuRadioHardware(event_t event);
+void menuRadioSpectrum(event_t event);
 void menuRadioCalibration(event_t event);
 
 static const MenuHandlerFunc menuTabGeneral[]  = {
@@ -102,6 +104,7 @@ static const MenuHandlerFunc menuTabGeneral[]  = {
   menuRadioDiagKeys,
   menuRadioDiagAnalogs,
   menuRadioHardware,
+  menuRadioSpectrum,
   menuRadioCalibration
 };
 

radio/src/gui/128x64/radio_spectrum.cpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x 
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "opentx.h"
+
+void menuRadioSpectrum(event_t event)
+{
+  MENU("SPECTRUM", menuTabGeneral, MENU_RADIO_SPECTRUM, HEADER_LINE, { HEADER_LINE_COLUMNS });
+
+  if (event == EVT_ENTRY) {
+    memclear(reusableBuffer.spectrum.bars, sizeof(reusableBuffer.spectrum.bars));
+    moduleSettings[INTERNAL_MODULE].mode = MODULE_MODE_SPECTRUM;
+  }
+
+  for (uint8_t i=0; i<LCD_W; i++) {
+    uint8_t h = reusableBuffer.spectrum.bars[i] >> 2;
+    lcdDrawSolidVerticalLine(i, LCD_H - h, h);
+  }
+  extern uint32_t FREQUENCY;
+  extern uint8_t POWER;
+  lcdDrawNumber(64, 32, FREQUENCY);
+  lcdDrawNumber(64, 40, POWER);
+}