/* * 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 menuRadioSpectrumAnalyser(event_t event) { SIMPLE_SUBMENU("SPECTRUM ANALYSER", 1); if (menuEvent) { INTERNAL_MODULE_OFF(); moduleSettings[INTERNAL_MODULE].mode = MODULE_MODE_NORMAL; /* wait 500ms off */ watchdogSuspend(500); RTOS_WAIT_MS(500); INTERNAL_MODULE_ON(); } else if (event == EVT_ENTRY) { memclear(reusableBuffer.spectrumAnalyser.bars, sizeof(reusableBuffer.spectrumAnalyser.bars)); moduleSettings[INTERNAL_MODULE].mode = MODULE_MODE_SPECTRUM_ANALYSER; } uint8_t peak_y = 1; uint8_t peak_x = 0; for (uint8_t i=0; i(reusableBuffer.spectrumAnalyser.bars[i] >> 1, 128); if (h > peak_y) { peak_x = i; peak_y = h; } lcdDrawSolidVerticalLine(i, LCD_H - h, h); } lcdDrawText(1, 10, "F:", 0); lcdDrawNumber(lcdLastRightPos + 2, 10, reusableBuffer.spectrumAnalyser.freq / 10000000, PREC2); lcdDrawText(lcdLastRightPos + 2, 10, "GHz", 0); lcdDrawText(lcdLastRightPos + 5, 10, "S:", 0); lcdDrawNumber(lcdLastRightPos + 2, 10, reusableBuffer.spectrumAnalyser.span/1000000, 0); lcdDrawText(lcdLastRightPos + 2, 10, "MHz", 0); int8_t y = max(FH, LCD_H - peak_y - FH); lcdDrawNumber(min(100, peak_x), y, ((reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2) + peak_x * (reusableBuffer.spectrumAnalyser.span / 128)) / 1000000, TINSIZE); lcdDrawText(lcdLastRightPos, y, "M", TINSIZE); }