portapack-mayhem/firmware/application/apps/ui_about_demo.hpp

/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2016 Furrtek
 *
 * 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.
 */

#ifndef __UI_ABOUT_H__
#define __UI_ABOUT_H__

#include "ui_widget.hpp"
#include "ui_menu.hpp"
#include "ui_navigation.hpp"
#include "transmitter_model.hpp"
#include "baseband_api.hpp"

#include <cstdint>

namespace ui {

class AboutView : public View {
   public:
    AboutView(NavigationView& nav);
    ~AboutView();

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

   private:
    void ym_init();
    void update();
    void render_video();
    void render_audio();
    void draw_demoglyph(ui::Point p, char ch, ui::Color* pal);
    uint16_t debug_cnt = 0;

    typedef struct ymreg_t {
        uint8_t value;
        uint8_t cnt;
        uint16_t ptr;
        bool same;
    } ymreg_t;

    uint16_t headphone_vol = 5 << 2;

    ymreg_t ym_regs[14];
    uint16_t ym_frames;
    uint16_t ym_frame;
    uint8_t drum = 0;
    uint16_t ym_osc_cnt[3];
    uint32_t ym_rng = 1;
    uint16_t ym_noise_cnt;
    uint8_t ym_env_att, ym_env_hold, ym_env_alt, ym_env_holding, ym_env_vol;
    int8_t ym_env_step;
    uint16_t ym_env_cnt;
    uint8_t ym_osc_out[3];
    uint8_t ym_ch[3];
    uint8_t ym_out;
    uint16_t ym_sample_cnt = 0;

    int8_t ym_buffer[1024];

    uint8_t refresh_cnt;
    ui::Color paletteA[16];
    ui::Color paletteB[16];
    ui::Color* framebuffer;
    uint32_t phase = 0;
    uint8_t copperbars[5] = {0};
    uint8_t copperbuffer[72] = {0};

    uint8_t anim_state = 0;
    uint8_t credits_index = 0;
    uint16_t credits_timer = 0;

    int16_t ofx = -180, ofy = -24;

    const uint8_t char_map[64] = {0xFF, 27, 46, 0xFF, 0xFF, 0xFF, 28, 45,
                                  58, 59, 0xFF, 43, 40, 57, 26, 42,
                                  29, 30, 31, 32, 33, 34, 35, 36,
                                  37, 38, 41, 0xFF, 0xFF, 0xFF, 0xFF, 44,
                                  0xFF, 0, 1, 2, 3, 4, 5, 6,
                                  7, 8, 9, 10, 11, 12, 13, 14,
                                  15, 16, 17, 18, 19, 20, 21, 22,
                                  23, 24, 25, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};

    const uint8_t copperluma[16] = {8, 7, 6, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 6, 7, 8};
    const uint8_t coppercolor[5][3] = {{255, 0, 0},
                                       {0, 255, 0},
                                       {0, 0, 255},
                                       {255, 0, 255},
                                       {255, 255, 0}};

    typedef struct credits_t {
        char role[12];
        char name[12];
        bool change;
    } credits_t;

    //								  0123456789A		 0123456789A
    const credits_t credits[10] = {{"GURUS", "J. BOONE", false},
                                   {"GURUS", "M. OSSMANN", true},
                                   {"BUGS", "FURRTEK", true},
                                   {"RDS WAVE", "C. JACQUET", true},
                                   {"POCSAG RX", "T. SAILER", false},
                                   {"POCSAG RX", "E. OENAL", true},
                                   {"XYLOS DATA", "CLX", true},
                                   {"GREETS TO", "SIGMOUNTE", false},
                                   {"GREETS TO", "WINDYOONA", true},
                                   {"THIS MUSIC", "BIG ALEC", true}};

    Text text_title{
        {100, 32, 40, 16},
        "About",
    };

    Text text_firmware{
        {0, 236, 240, 16},
        "Version   " VERSION_STRING,
    };

    Text text_cpld_hackrf{
        {0, 252, 11 * 8, 16},
        "HackRF CPLD",
    };

    Text text_cpld_hackrf_status{
        {240 - 3 * 8, 252, 3 * 8, 16},
        "???"};

    Button button_ok{
        {72, 272, 96, 24},
        "OK"};

    MessageHandlerRegistration message_handler_update{
        Message::ID::DisplayFrameSync,
        [this](const Message* const) {
            this->update();
        }};

    MessageHandlerRegistration message_handler_fifo_signal{
        Message::ID::FIFOSignal,
        [this](const Message* const p) {
            const auto message = static_cast<const FIFOSignalMessage*>(p);
            if (message->signaltype == 1) {
                this->render_audio();
                baseband::set_fifo_data(ym_buffer);
            }
        }};
};

} /* namespace ui */

#endif /*__UI_ABOUT_H__*/