Protoview (#2206)

* ProtoView first tests

* Imp

* fix, reset

firmware/application/external/external.cmake

@@ -80,6 +80,10 @@ set(EXTCPPSRC
 	#tpmsrx
 	external/tpmsrx/main.cpp
 	external/tpmsrx/tpms_app.cpp
+
+	#protoview
+	external/protoview/main.cpp
+	external/protoview/ui_protoview.cpp
 )
 
 set(EXTAPPLIST
@@ -102,4 +106,5 @@ set(EXTAPPLIST
 	audio_test
 	wardrivemap
 	tpmsrx
+	protoview
 )

firmware/application/external/external.ld

@@ -42,6 +42,7 @@ MEMORY
     ram_external_app_audio_test(rwx) : org = 0xADC10000, len = 32k
     ram_external_app_wardrivemap(rwx) : org = 0xADC20000, len = 32k
     ram_external_app_tpmsrx(rwx) : org = 0xADC30000, len = 32k
+    ram_external_app_protoview(rwx) : org = 0xADC40000, len = 32k
 }
 
 SECTIONS
@@ -160,4 +161,12 @@ SECTIONS
         *(*ui*external_app*tpmsrx*);
     } > ram_external_app_tpmsrx
 
+
+   .external_app_protoview : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_protoview.application_information));
+        *(*ui*external_app*protoview*);
+    } > ram_external_app_protoview
+
+
 }

firmware/application/external/protoview/main.cpp

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2024 HTotoo
+ *
+ * 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 "ui_protoview.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::protoview {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<ProtoView>();
+}
+}  // namespace ui::external_app::protoview
+
+extern "C" {
+
+__attribute__((section(".external_app.app_protoview.application_information"), used)) application_information_t _application_information_protoview = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::protoview::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "ProtoView",
+    /*.bitmap_data = */ {
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0xF8,
+        0x87,
+        0x08,
+        0x84,
+        0x0F,
+        0xFC,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0xF3,
+        0xE0,
+        0x92,
+        0xA0,
+        0x9E,
+        0xBF,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0xFC,
+        0xF3,
+        0x04,
+        0x12,
+        0x07,
+        0x1E,
+    },
+    /*.icon_color = */ ui::Color::orange().v,
+    /*.menu_location = */ app_location_t::RX,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_protoview */ {'P', 'P', 'V', 'W'},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}

firmware/application/external/protoview/ui_protoview.cpp

@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 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.
+ */
+
+#include "ui_protoview.hpp"
+
+#include "audio.hpp"
+#include "rtc_time.hpp"
+#include "baseband_api.hpp"
+#include "string_format.hpp"
+#include "portapack_persistent_memory.hpp"
+#include "file_path.hpp"
+
+using namespace portapack;
+using namespace modems;
+using namespace ui;
+
+namespace ui::external_app::protoview {
+
+void ProtoView::focus() {
+    field_frequency.focus();
+}
+
+ProtoView::ProtoView(NavigationView& nav)
+    : nav_{nav} {
+    baseband::run_prepared_image(portapack::memory::map::m4_code.base());
+
+    add_children({&rssi,
+                  &field_rf_amp,
+                  &field_lna,
+                  &field_vga,
+                  &field_volume,
+                  &field_frequency,
+                  &labels,
+                  &options_zoom,
+                  &button_reset,
+                  &waveform,
+                  &waveform2,
+                  &waveform3,
+                  &waveform4});
+
+    field_frequency.set_step(100);
+    options_zoom.on_change = [this](size_t, int32_t v) {
+        zoom = v;
+        draw();
+        draw2();
+    };
+    button_reset.on_select = [this](Button&) {
+        reset();
+    };
+    baseband::set_subghzd_config(0, receiver_model.sampling_rate());
+    audio::set_rate(audio::Rate::Hz_24000);
+    audio::output::start();
+    receiver_model.enable();
+}
+
+void ProtoView::reset() {
+    cnt = 0;
+    for (uint16_t i = 0; i < MAXSIGNALBUFFER; i++) time_buffer[i] = 0;
+    needCntReset = false;
+    draw();
+    draw2();
+}
+
+void ProtoView::on_timer() {
+    timercnt++;
+    if ((timercnt % 90) == 0) {
+        if (datacnt == 0) {
+            needCntReset = true;
+        }
+        datacnt = 0;
+    }
+}
+
+void ProtoView::draw2() {
+    if (drawcnt < MAXDRAWCNTPERWF) {
+        waveform.set_length(drawcnt);
+        waveform2.set_length(0);
+        waveform3.set_length(0);
+        waveform4.set_length(0);
+    } else if (drawcnt < MAXDRAWCNTPERWF * 2) {
+        waveform.set_length(MAXDRAWCNTPERWF);
+        waveform2.set_length(drawcnt - MAXDRAWCNTPERWF);
+        waveform3.set_length(0);
+        waveform4.set_length(0);
+    } else if (drawcnt < MAXDRAWCNTPERWF * 3) {
+        waveform.set_length(MAXDRAWCNTPERWF);
+        waveform2.set_length(MAXDRAWCNTPERWF);
+        waveform3.set_length(drawcnt - MAXDRAWCNTPERWF * 2);
+        waveform4.set_length(0);
+    } else {
+        waveform.set_length(MAXDRAWCNTPERWF);
+        waveform2.set_length(MAXDRAWCNTPERWF);
+        waveform3.set_length(MAXDRAWCNTPERWF);
+        waveform4.set_length(drawcnt - MAXDRAWCNTPERWF * 3);
+    }
+    waveform.set_dirty();
+    waveform2.set_dirty();
+    waveform3.set_dirty();
+    waveform4.set_dirty();
+}
+
+void ProtoView::draw() {
+    uint32_t remain = 0;
+    int32_t lmax = 0;
+    bool lmaxstate = false;
+    bool state = false;
+    drawcnt = 0;
+    for (uint16_t i = 0; i < MAXDRAWCNT; i++) waveform_buffer[i] = 0;  // reset
+
+    for (uint16_t i = 0; i < MAXSIGNALBUFFER; ++i) {
+        state = time_buffer[i] >= 0;
+        int32_t timeabs = state ? time_buffer[i] : -1 * time_buffer[i];
+        int32_t timesize = timeabs / zoom;
+        if (timesize == 0) {
+            remain += timeabs;
+            if (lmax < timeabs) {
+                lmax = timeabs;
+                lmaxstate = state;
+            }
+            if (remain / zoom > 0) {
+                timesize = remain / zoom;
+                state = lmaxstate;
+            } else {
+                continue;
+            }
+        }
+        remain = 0;
+        lmax = 0;
+        for (int32_t ii = 0; ii < timesize; ++ii) {
+            waveform_buffer[drawcnt++] = state;
+            if (drawcnt >= MAXDRAWCNT) return;
+        }
+    }
+}
+
+void ProtoView::add_time(int32_t time) {
+    if (cnt >= MAXSIGNALBUFFER) cnt = 0;
+    time_buffer[cnt++] = time;
+}
+
+void ProtoView::on_data(const ProtoViewDataMessage* message) {
+    // filter out invalid ones.
+    uint16_t start = 0;
+    uint16_t stop = 0;
+    bool has_valid = false;
+    for (uint16_t i = 0; i <= message->maxptr; ++i) {
+        if (message->times[i] >= 30000 || message->times[i] <= -30000) {
+            if (!has_valid) {
+                start = i;
+            }
+        } else {
+            has_valid = true;
+            stop = i;
+        }
+    }
+    if (!has_valid) return;  // no valid data arrived
+    // if (needCntReset) reset();   //todo implement auto reset
+
+    datacnt++;
+
+    // valid data, redraw
+    for (uint16_t i = start; i <= stop; i++) {
+        add_time(message->times[i]);
+    }
+
+    draw();
+    draw2();
+}
+
+ProtoView::~ProtoView() {
+    audio::output::stop();
+    receiver_model.disable();
+    baseband::shutdown();
+}
+
+}  // namespace ui::external_app::protoview

firmware/application/external/protoview/ui_protoview.hpp

@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 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_PROTOVIEW_H__
+#define __UI_PROTOVIEW_H__
+
+#define MAXSIGNALBUFFER 400
+#define MAXDRAWCNT 600
+#define MAXDRAWCNTPERWF 150
+
+#include "ui.hpp"
+#include "ui_language.hpp"
+#include "ui_navigation.hpp"
+#include "ui_receiver.hpp"
+#include "ui_freq_field.hpp"
+#include "ui_record_view.hpp"
+#include "app_settings.hpp"
+#include "radio_state.hpp"
+#include "log_file.hpp"
+#include "utility.hpp"
+
+using namespace ui;
+
+namespace ui::external_app::protoview {
+
+class ProtoView : public View {
+   public:
+    ProtoView(NavigationView& nav);
+    ~ProtoView();
+
+    void focus() override;
+
+    std::string title() const override { return "ProtoView"; };
+
+   private:
+    int16_t waveform_buffer[MAXDRAWCNT];
+    int32_t time_buffer[MAXSIGNALBUFFER];
+
+    NavigationView& nav_;
+    RxRadioState radio_state_{};
+    app_settings::SettingsManager settings_{
+        "rx_protoview", app_settings::Mode::RX};
+
+    RFAmpField field_rf_amp{
+        {13 * 8, 0 * 16}};
+    LNAGainField field_lna{
+        {15 * 8, 0 * 16}};
+    VGAGainField field_vga{
+        {18 * 8, 0 * 16}};
+    RSSI rssi{
+        {21 * 8, 0, 6 * 8, 4}};
+
+    AudioVolumeField field_volume{
+        {28 * 8, 0 * 16}};
+
+    RxFrequencyField field_frequency{
+        {0 * 8, 0 * 16},
+        nav_};
+    Labels labels{
+        {{0 * 8, 1 * 16}, "Zoom: ", Theme::getInstance()->fg_light->foreground}};
+
+    OptionsField options_zoom{
+        {7 * 8, 1 * 16},
+        4,
+        {{"1", 1},
+         {"2", 2},
+         {"5", 5},
+         {"15", 15},
+         {"30", 30},
+         {"50", 50},
+         {"100", 100},
+         {"200", 200},
+         {"500", 500},
+         {"1000", 1000}}};
+
+    Button button_reset{
+        {screen_width - 12 * 8, 1 * 16, 96, 24},
+        LanguageHelper::currentMessages[LANG_RESET]};
+
+    Waveform waveform{
+        {0, 5 * 8, 240, 50},
+        waveform_buffer,
+        0,
+        0,
+        true,
+        Theme::getInstance()->fg_yellow->foreground};
+
+    Waveform waveform2{
+        {0, 5 * 8 + 55, 240, 50},
+        &waveform_buffer[MAXDRAWCNTPERWF],
+        0,
+        0,
+        true,
+        Theme::getInstance()->fg_yellow->foreground};
+
+    Waveform waveform3{
+        {0, 5 * 8 + 110, 240, 50},
+        &waveform_buffer[MAXDRAWCNTPERWF * 2],
+        0,
+        0,
+        true,
+        Theme::getInstance()->fg_yellow->foreground};
+
+    Waveform waveform4{
+        {0, 5 * 8 + 165, 240, 50},
+        &waveform_buffer[MAXDRAWCNTPERWF * 3],
+        0,
+        0,
+        true,
+        Theme::getInstance()->fg_yellow->foreground};
+
+    bool needCntReset = false;
+
+    int16_t zoom = 1;  // one value in ms
+
+    uint16_t cnt = 0;      // pointer to next element
+    uint16_t drawcnt = 0;  // pointer to draw next element
+
+    uint16_t timercnt = 0;  // screen refresh count
+    uint16_t datacnt = 0;   // how many data i got. these are for track if there is no data, so need a cnt reset
+
+    void add_time(int32_t time);
+    void on_timer();
+    void on_data(const ProtoViewDataMessage* message);
+    void draw();
+    void draw2();
+    void reset();
+
+    MessageHandlerRegistration message_handler_packet{
+        Message::ID::ProtoViewData,
+        [this](Message* const p) {
+            const auto message = static_cast<const ProtoViewDataMessage*>(p);
+            this->on_data(message);
+        }};
+
+    MessageHandlerRegistration message_handler_frame_sync{
+        Message::ID::DisplayFrameSync,
+        [this](const Message* const) {
+            this->on_timer();
+        }};
+};
+
+}  // namespace ui::external_app::protoview
+
+#endif /*__UI_PROTOVIEW_H__*/

firmware/baseband/CMakeLists.txt

@@ -648,6 +648,15 @@ set(MODE_CPPSRC
 DeclareTargets(PABP audio_beep)
 
 
+### ProtoView
+
+set(MODE_CPPSRC
+	proc_protoview.cpp
+)
+DeclareTargets(PPVW protoview)
+
+
+
 ### TPMS
 
 set(MODE_CPPSRC

firmware/baseband/proc_protoview.cpp

@@ -0,0 +1,112 @@
+/*
+ * 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.
+ */
+
+#include "proc_protoview.hpp"
+#include "portapack_shared_memory.hpp"
+#include "event_m4.hpp"
+#include "audio_dma.hpp"
+
+void ProtoViewProcessor::execute(const buffer_c8_t& buffer) {
+    if (!configured) return;
+
+    // SR = 4Mhz ,  and we are decimating by /8 in total , decim1_out clock 4Mhz /8= 500khz samples/sec.
+    // buffer has   2048 complex i8 I,Q signed samples
+    // decim0 out:  2048/4 = 512 complex i16 I,Q signed samples
+    // decim1 out:  512/2 =  256 complex i16 I,Q signed samples
+    // Regarding Filters, we are re-using existing FIR filters, @4Mhz, FIR decim1 ilter, BW =+-220Khz (at -3dB's). BW = 440kHZ.
+
+    const auto decim_0_out = decim_0.execute(buffer, dst_buffer);       // Input:2048 complex/4 (decim factor) = 512_output complex (1024 I/Q samples)
+    const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);  // Input:512  complex/2 (decim factor) = 256_output complex ( 512 I/Q samples)
+    feed_channel_stats(decim_1_out);
+
+    for (size_t i = 0; i < decim_1_out.count; i++) {
+        int16_t re = decim_1_out.p[i].real();
+        int16_t im = decim_1_out.p[i].imag();
+        uint32_t mag = ((uint32_t)re * (uint32_t)re) + ((uint32_t)im * (uint32_t)im);
+
+        mag = (mag >> 12);  // Decim samples are calculated with saturated gain . (we could also reduce that sat. param at configure time)
+
+        bool meashl = (mag > threshold);
+        tm += mag;
+        if (meashl == currentHiLow && currentDuration < 30'000'000)  // allow pass 'end' signal
+        {
+            currentDuration += nsPerDecSamp;
+        } else {  // called on change, so send the last duration and dir.
+            message.times[message.timeptr++] = currentHiLow ? (int32_t)(currentDuration / 1000) : -1 * (int32_t)(currentDuration / 1000);
+            if (message.timeptr > message.maxptr) {
+                shared_memory.application_queue.push(message);
+                message.timeptr = 0;
+            }
+            currentDuration = nsPerDecSamp;
+            currentHiLow = meashl;
+        }
+    }
+
+    cnt += decim_1_out.count;  // TODO , check if it is necessary that xdecim factor.
+    if (cnt > 90'000) {
+        threshold = (tm / cnt) / 2;
+        cnt = 0;
+        tm = 0;
+        if (threshold < 50) threshold = 50;
+        if (threshold > 1700) threshold = 1700;
+    }
+}
+
+void ProtoViewProcessor::on_message(const Message* const message) {
+    switch (message->id) {
+        case Message::ID::SubGhzFPRxConfigure:
+            configure(*reinterpret_cast<const SubGhzFPRxConfigureMessage*>(message));
+            break;
+
+        case Message::ID::AudioBeep:
+            on_beep_message(*reinterpret_cast<const AudioBeepMessage*>(message));
+            break;
+
+        default:
+            break;
+    }
+}
+
+void ProtoViewProcessor::configure(const SubGhzFPRxConfigureMessage& message) {
+    baseband_fs = message.sampling_rate;
+    baseband_thread.set_sampling_rate(baseband_fs);
+    nsPerDecSamp = 1'000'000'000 / baseband_fs * 8;  // Scaled it due to less array buffer sampes due to /8 decimation.  250 nseg (4Mhz) * 8
+
+    // constexpr size_t decim_0_output_fs = baseband_fs / decim_0.decimation_factor; //unused
+    // constexpr size_t decim_1_output_fs = decim_0_output_fs / decim_1.decimation_factor; //unused
+
+    decim_0.configure(taps_200k_wfm_decim_0.taps);
+    decim_1.configure(taps_200k_wfm_decim_1.taps);
+
+    configured = true;
+}
+
+void ProtoViewProcessor::on_beep_message(const AudioBeepMessage& message) {
+    audio::dma::beep_start(message.freq, message.sample_rate, message.duration_ms);
+}
+
+int main() {
+    audio::dma::init_audio_out();
+    EventDispatcher event_dispatcher{std::make_unique<ProtoViewProcessor>()};
+    event_dispatcher.run();
+    return 0;
+}

firmware/baseband/proc_protoview.hpp

@@ -0,0 +1,74 @@
+/*
+ * 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.
+ */
+/*
+    Creator: @htotoo
+*/
+
+#ifndef __PROC_PROTOVIEW_H__
+#define __PROC_PROTOVIEW_H__
+
+#include "baseband_processor.hpp"
+#include "baseband_thread.hpp"
+#include "rssi_thread.hpp"
+#include "message.hpp"
+#include "dsp_decimate.hpp"
+
+class ProtoViewProcessor : public BasebandProcessor {
+   public:
+    void execute(const buffer_c8_t& buffer) override;
+    void on_message(const Message* const message) override;
+
+   private:
+    size_t baseband_fs = 0;  // will be set later by configure message.
+    uint32_t nsPerDecSamp = 0;
+
+    /* Array Buffer aux. used in decim0 and decim1 IQ c16 signed  data ; (decim0 defines the max length of the array) */
+    std::array<complex16_t, 512> dst{};  // decim0 /4 ,  2048/4 = 512 complex I,Q
+    const buffer_c16_t dst_buffer{
+        dst.data(),
+        dst.size()};
+
+    /* Decimates */
+    dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0{};
+    dsp::decimate::FIRC16xR16x16Decim2 decim_1{};
+
+    uint32_t currentDuration = 0;
+    uint32_t threshold = 0x0630;  // will overwrite after the first iteration
+
+    bool currentHiLow = false;
+    bool configured{false};
+
+    // for threshold
+    uint32_t cnt = 0;
+    uint32_t tm = 0;
+
+    void configure(const SubGhzFPRxConfigureMessage& message);
+    void on_beep_message(const AudioBeepMessage& message);
+
+    ProtoViewDataMessage message = {};
+
+    /* NB: Threads should be the last members in the class definition. */
+    BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Receive};
+    RSSIThread rssi_thread{};
+};
+
+#endif /*__PROC_PROTOVIEW_H__*/

firmware/baseband/proc_subghzd.cpp

@@ -35,6 +35,7 @@ void SubGhzDProcessor::execute(const buffer_c8_t& buffer) {
 
     const auto decim_0_out = decim_0.execute(buffer, dst_buffer);       // Input:2048 complex/4 (decim factor) = 512_output complex (1024 I/Q samples)
     const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);  // Input:512  complex/2 (decim factor) = 256_output complex ( 512 I/Q samples)
+    feed_channel_stats(decim_1_out);
 
     for (size_t i = 0; i < decim_1_out.count; i++) {
         int16_t re = decim_1_out.p[i].real();

firmware/baseband/proc_weather.cpp

@@ -36,6 +36,7 @@ void WeatherProcessor::execute(const buffer_c8_t& buffer) {
 
     const auto decim_0_out = decim_0.execute(buffer, dst_buffer);       // Input:2048 complex/4 (decim factor) = 512_output complex (1024 I/Q samples)
     const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);  // Input:512  complex/2 (decim factor) = 256_output complex ( 512 I/Q samples)
+    feed_channel_stats(decim_1_out);
 
     for (size_t i = 0; i < decim_1_out.count; i++) {
         int16_t re = decim_1_out.p[i].real();

firmware/baseband/proc_weather.hpp

@@ -58,8 +58,6 @@ class WeatherProcessor : public BasebandProcessor {
     bool currentHiLow = false;
     bool configured{false};
 
-    uint8_t modulation = 255;  // 0 AM, 1 FM  255 = Not set
-    uint8_t protoMode = 255;   // 0 weather, 1 subghzd, 255 = Not set
     // for threshold
     uint32_t cnt = 0;
     uint32_t tm = 0;

firmware/common/message.hpp

@@ -124,6 +124,7 @@ class Message {
         AudioBeep = 66,
         PocsagTosend = 67,
         BatteryStateData = 68,
+        ProtoViewData = 69,
         MAX
     };
 
@@ -1426,4 +1427,13 @@ class BatteryStateMessage : public Message {
     uint16_t voltage = 0;  // mV
 };
 
+class ProtoViewDataMessage : public Message {
+   public:
+    constexpr ProtoViewDataMessage()
+        : Message{ID::ProtoViewData} {}
+    int32_t times[100] = {0};  // positive: high, negative: low
+    uint16_t timeptr = 0;
+    const uint16_t maxptr = 99;
+};
+
 #endif /*__MESSAGE_H__*/

firmware/common/spi_image.hpp

@@ -116,6 +116,7 @@ constexpr image_tag_t image_tag_usb_sd{'P', 'U', 'S', 'B'};
 
 constexpr image_tag_t image_tag_weather{'P', 'W', 'T', 'H'};
 constexpr image_tag_t image_tag_subghzd{'P', 'S', 'G', 'D'};
+constexpr image_tag_t image_tag_protoview{'P', 'P', 'V', 'W'};
 
 constexpr image_tag_t image_tag_noop{'P', 'N', 'O', 'P'};
 

firmware/common/ui_language.cpp

@@ -1,6 +1,6 @@
 #include "ui_language.hpp"
 
-const char* LanguageHelper::englishMessages[] = {"OK", "Cancel", "Error", "Modem setup", "Debug", "Log", "Done", "Start", "Stop", "Scan", "Clear", "Ready", "Data:", "Loop"};
+const char* LanguageHelper::englishMessages[] = {"OK", "Cancel", "Error", "Modem setup", "Debug", "Log", "Done", "Start", "Stop", "Scan", "Clear", "Ready", "Data:", "Loop", "Reset"};
 
 const char** LanguageHelper::currentMessages = englishMessages;
 

firmware/common/ui_language.hpp

@@ -19,7 +19,8 @@ enum LangConsts {
     LANG_CLEAR,
     LANG_READY,
     LANG_DATADP,
-    LANG_LOOP
+    LANG_LOOP,
+    LANG_RESET
 };
 
 class LanguageHelper {

firmware/common/ui_widget.cpp

@@ -2630,13 +2630,13 @@ void Waveform::paint(Painter& painter) {
     const float y_scale = (float)(h - 1) / 65536.0;
     int16_t* data_start = data_ + offset_;
 
+    // Clear
+    painter.fill_rectangle_unrolled8(screen_rect(), Theme::getInstance()->bg_darkest->background);
+
     if (!length_) return;
 
     x_inc = (float)screen_rect().size().width() / length_;
 
-    // Clear
-    painter.fill_rectangle_unrolled8(screen_rect(), Theme::getInstance()->bg_darkest->background);
-
     if (digital_) {
         // Digital waveform: each value is an horizontal line
         x = 0;