mayhem-firmware/firmware/application/apps/ui_looking_glass_app.hpp

/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2020 euquiq
 *
 * This file is part of PortaPack.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#include "ui.hpp"
#include "portapack.hpp"
#include "baseband_api.hpp"
#include "receiver_model.hpp"
#include "ui_widget.hpp"
#include "ui_navigation.hpp"
#include "ui_receiver.hpp"
#include "string_format.hpp"
#include "analog_audio_app.hpp"
#include "spectrum_color_lut.hpp"

namespace ui
{
    #define SEARCH_SLICE_WIDTH	20000000 // Each slice bandwidth 20 MHz
    #define MHZ_DIV	            1000000
    #define X2_MHZ_DIV	        2000000

    class GlassView : public View
    {
    public:
        GlassView(NavigationView &nav);
        ~GlassView();
        std::string title() const override { return "Looking Glass"; };

	    void on_show() override;
	    void on_hide() override;
        void focus() override;

    private:
    	NavigationView& nav_;

        void on_channel_spectrum(const ChannelSpectrum& spectrum);
        void do_timers();
        void on_range_changed();
        void on_lna_changed(int32_t v_db);
	    void on_vga_changed(int32_t v_db);
        void add_spectrum_pixel(Color color);
        void PlotMarker(double pos);

        rf::Frequency f_min { 0 }, f_max { 0 };
        rf::Frequency search_span { 0 };
        rf::Frequency f_center { 0 };
        rf::Frequency f_center_ini { 0 };
        double marker_pixel_step { 0 };
        rf::Frequency each_bin_size { SEARCH_SLICE_WIDTH  / 256 };
        rf::Frequency bins_Hz_size { 0 };
        uint8_t timing_div { 0 };
        uint8_t min_color_power { 0 };
        uint32_t pixel_index { 0 };
        std::array<Color, 240> spectrum_row = { 0 };
        ChannelSpectrumFIFO* fifo { nullptr }; 

        Labels labels {
            { { 0, 0 }, "MIN:     MAX:     LNA   VGA  ", Color::light_grey() },
            { { 0, 1 * 16 }, "RANGE:     FILTER:       AMP:", Color::light_grey() },
            { { 0, 2 * 16 }, "MARKER:     MHz +/-    MHz", Color::light_grey() }
        };

        NumberField field_frequency_min {
            { 4 * 8, 0 * 16 },
            4,
            { 0, 6960 },
            240,
            ' '
        };

        NumberField field_frequency_max {
            { 13 * 8, 0 * 16 },
            4,
            { 240, 7200 },
            240,
            ' '
        };

        LNAGainField field_lna {
            { 21 * 8, 0 * 16 }
        };
        
        VGAGainField field_vga {
            { 27 * 8, 0 * 16 }
        };

        Text text_range {
  		    { 6 * 8, 1 * 16, 4 * 8, 16 },
		    ""
        };

	    OptionsField filter_config {
            { 18 * 8, 1 * 16 },
            4,
            {
                { "OFF ", 0 },
                { "MID ", 118 }, //85 +25 (110) + a bit more to kill all blue
                { "HIGH", 202 }, //168 + 25 (193)
            }
	    };

        RFAmpField field_rf_amp {
            { 29 * 8, 1 * 16 }
        };

        Text text_marker {
                { 8 * 8, 2 * 16, 4 * 8, 16 },
            ""
        };

        NumberField field_marker {
            { 7 * 8, 2 * 16 },
            4,
            { 0, 6000 },
            25,
            ' '
        };

        Text text_marker_pm {
                { 20 * 8, 2 * 16, 2 * 8, 16 },
            ""
        };

    MessageHandlerRegistration message_handler_spectrum_config {
		Message::ID::ChannelSpectrumConfig,
		[this](const Message* const p) {
			const auto message = *reinterpret_cast<const ChannelSpectrumConfigMessage*>(p);
			this->fifo = message.fifo;
		}
	};
	MessageHandlerRegistration message_handler_frame_sync {
		Message::ID::DisplayFrameSync,
		[this](const Message* const) {
			if( this->fifo ) {
				ChannelSpectrum channel_spectrum;
				while( fifo->out(channel_spectrum) ) {
					this->on_channel_spectrum(channel_spectrum);
				}
			}
		}
	};

    };
}