Stopwatch external app (#2553)

firmware/application/external/external.cmake

@@ -117,7 +117,7 @@ set(EXTCPPSRC
 
 	#shoppingcart_lock
 	external/shoppingcart_lock/main.cpp
-	external/shoppingcart_lock/shoppingcart_lock.cpp	
+	external/shoppingcart_lock/shoppingcart_lock.cpp
 
 	#ookbrute
 	external/ookbrute/main.cpp
@@ -129,8 +129,8 @@ set(EXTCPPSRC
 
 	#cvs_spam
 	external/cvs_spam/main.cpp
-	external/cvs_spam/cvs_spam.cpp	
-	
+	external/cvs_spam/cvs_spam.cpp
+
 	#flippertx
 	external/flippertx/main.cpp
 	external/flippertx/ui_flippertx.cpp
@@ -142,15 +142,15 @@ set(EXTCPPSRC
 	#mcu_temperature
 	external/mcu_temperature/main.cpp
 	external/mcu_temperature/mcu_temperature.cpp
-	
+
 	#fmradio
 	external/fmradio/main.cpp
 	external/fmradio/ui_fmradio.cpp
-  
+
 	#tuner
 	external/tuner/main.cpp
 	external/tuner/ui_tuner.cpp
-  
+
 	#metronome
 	external/metronome/main.cpp
 	external/metronome/ui_metronome.cpp
@@ -162,8 +162,8 @@ set(EXTCPPSRC
 	#hopper
 	external/hopper/main.cpp
 	external/hopper/ui_hopper.cpp
- 	
-	# whip calculator	
+
+	# whip calculator
 	external/antenna_length/main.cpp
 	external/antenna_length/ui_whipcalc.cpp
 
@@ -178,6 +178,10 @@ set(EXTCPPSRC
 	# playlist editor
 	external/playlist_editor/main.cpp
 	external/playlist_editor/ui_playlist_editor.cpp
+
+	#stopwatch
+	external/stopwatch/main.cpp
+	external/stopwatch/ui_stopwatch.cpp
 )
 
 set(EXTAPPLIST
@@ -224,4 +228,5 @@ set(EXTAPPLIST
 	view_wav
 	sd_wipe
 	playlist_editor
+	stopwatch
 )

firmware/application/external/external.ld

@@ -48,24 +48,25 @@ MEMORY
     ram_external_app_sstvtx(rwx) : org = 0xADC70000, len = 32k
     ram_external_app_random_password(rwx) : org = 0xADC80000, len = 32k
     ram_external_app_acars_rx(rwx) : org = 0xADC90000, len = 32k
-    ram_external_app_shoppingcart_lock(rwx) : org = 0xADCA0000, len = 32k    
-    ram_external_app_cvs_spam(rwx) : org = 0xADCB0000, len = 32k 
-    ram_external_app_ookbrute(rwx) : org = 0xADCC0000, len = 32k 
-    ram_external_app_flippertx(rwx) : org = 0xADCD0000, len = 32k 
-    ram_external_app_ook_editor(rwx) : org = 0xADCE0000, len = 32k 
-    ram_external_app_remote(rwx) : org = 0xADCF0000, len = 32k 
-    ram_external_app_mcu_temperature(rwx) : org = 0xADD00000, len = 32k 
-    ram_external_app_fmradio(rwx) : org = 0xADD10000, len = 32k 
+    ram_external_app_shoppingcart_lock(rwx) : org = 0xADCA0000, len = 32k
+    ram_external_app_cvs_spam(rwx) : org = 0xADCB0000, len = 32k
+    ram_external_app_ookbrute(rwx) : org = 0xADCC0000, len = 32k
+    ram_external_app_flippertx(rwx) : org = 0xADCD0000, len = 32k
+    ram_external_app_ook_editor(rwx) : org = 0xADCE0000, len = 32k
+    ram_external_app_remote(rwx) : org = 0xADCF0000, len = 32k
+    ram_external_app_mcu_temperature(rwx) : org = 0xADD00000, len = 32k
+    ram_external_app_fmradio(rwx) : org = 0xADD10000, len = 32k
     ram_external_app_tuner(rwx) : org = 0xADD20000, len = 32k
-    ram_external_app_metronome(rwx) : org = 0xADD30000, len = 32k 
-    ram_external_app_app_manager(rwx) : org = 0xADD40000, len = 32k 
-    ram_external_app_hopper(rwx) : org = 0xADD50000, len = 32k 
-    ram_external_app_antenna_length(rwx) : org = 0xADD60000, len = 32k 
-    ram_external_app_view_wav(rwx) : org = 0xADD70000, len = 32k 
-    ram_external_app_sd_wipe(rwx) : org = 0xADD80000, len = 32k 
-    ram_external_app_playlist_editor(rwx) : org = 0xADD90000, len = 32k 
+    ram_external_app_metronome(rwx) : org = 0xADD30000, len = 32k
+    ram_external_app_app_manager(rwx) : org = 0xADD40000, len = 32k
+    ram_external_app_hopper(rwx) : org = 0xADD50000, len = 32k
+    ram_external_app_antenna_length(rwx) : org = 0xADD60000, len = 32k
+    ram_external_app_view_wav(rwx) : org = 0xADD70000, len = 32k
+    ram_external_app_sd_wipe(rwx) : org = 0xADD80000, len = 32k
+    ram_external_app_playlist_editor(rwx) : org = 0xADD90000, len = 32k
     ram_external_app_breakout(rwx) : org = 0xADDA0000, len = 32k
-    ram_external_app_snake(rwx) : org = 0xADDB0000, len = 32k    
+    ram_external_app_snake(rwx) : org = 0xADDB0000, len = 32k
+    ram_external_app_stopwatch(rwx) : org = 0xADDC0000, len = 32k
 }
 
 SECTIONS
@@ -158,13 +159,13 @@ SECTIONS
     {
         KEEP(*(.external_app.app_breakout.application_information));
         *(*ui*external_app*breakout*);
-    } > ram_external_app_breakout    
+    } > ram_external_app_breakout
 
     .external_app_snake : ALIGN(4) SUBALIGN(4)
     {
         KEEP(*(.external_app.app_snake.application_information));
         *(*ui*external_app*snake*);
-    } > ram_external_app_snake    
+    } > ram_external_app_snake
 
    .external_app_extsensors : ALIGN(4) SUBALIGN(4)
     {
@@ -208,7 +209,6 @@ SECTIONS
         *(*ui*external_app*adsbtx*);
     } > ram_external_app_adsbtx
 
-
    .external_app_morse_tx : ALIGN(4) SUBALIGN(4)
     {
         KEEP(*(.external_app.app_morse_tx.application_information));
@@ -274,13 +274,13 @@ SECTIONS
         KEEP(*(.external_app.app_mcu_temperature.application_information));
         *(*ui*external_app*mcu_temperature*);
     } > ram_external_app_mcu_temperature
-    
+
     .external_app_fmradio : ALIGN(4) SUBALIGN(4)
     {
         KEEP(*(.external_app.app_fmradio.application_information));
         *(*ui*external_app*fmradio*);
     } > ram_external_app_fmradio
-    
+
     .external_app_tuner : ALIGN(4) SUBALIGN(4)
     {
         KEEP(*(.external_app.app_tuner.application_information));
@@ -328,4 +328,10 @@ SECTIONS
         KEEP(*(.external_app.app_playlist_editor.application_information));
         *(*ui*external_app*playlist_editor*);
     } > ram_external_app_playlist_editor
+
+    .external_app_stopwatch : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_stopwatch.application_information));
+        *(*ui*external_app*stopwatch*);
+    } > ram_external_app_stopwatch
 }

firmware/application/external/stopwatch/main.cpp

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2025 Mark Thompson
+ *
+ * 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_stopwatch.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::stopwatch {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<StopwatchView>();
+}
+}  // namespace ui::external_app::stopwatch
+
+extern "C" {
+
+__attribute__((section(".external_app.app_stopwatch.application_information"), used)) application_information_t _application_information_stopwatch = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::stopwatch::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "Stopwatch",
+    /*.bitmap_data = */ {
+        0x00,
+        0x00,
+        0xC0,
+        0x01,
+        0x80,
+        0x00,
+        0x80,
+        0x20,
+        0x60,
+        0x13,
+        0x10,
+        0x0C,
+        0x88,
+        0x08,
+        0x84,
+        0x10,
+        0x84,
+        0x10,
+        0xC2,
+        0x21,
+        0x84,
+        0x10,
+        0x04,
+        0x10,
+        0x08,
+        0x08,
+        0x10,
+        0x04,
+        0x60,
+        0x03,
+        0x80,
+        0x00,
+    },
+    /*.icon_color = */ ui::Color::cyan().v,
+    /*.menu_location = */ app_location_t::UTILITIES,
+    /*.desired_menu_position = */ -1,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_none */ {0, 0, 0, 0},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}

firmware/application/external/stopwatch/ui_stopwatch.cpp

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2025 Mark Thompson
+ *
+ * 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_stopwatch.hpp"
+#include "portapack.hpp"
+#include "ch.h"
+
+using namespace portapack;
+
+namespace ui::external_app::stopwatch {
+
+StopwatchView::StopwatchView(NavigationView& nav) {
+    add_children({
+        &labels,
+        &button_run_stop,
+        &button_reset_lap,
+        &button_done,
+        &big_display,
+        &lap_display,
+    });
+
+    button_run_stop.on_select = [this](Button&) {
+        if (running)
+            stop();
+        else
+            run();
+    };
+
+    button_reset_lap.on_select = [this](Button&) {
+        if (running)
+            lap();
+        else
+            reset();
+    };
+
+    button_done.on_select = [&nav](Button&) {
+        nav.pop();
+    };
+}
+
+void StopwatchView::focus() {
+    button_run_stop.focus();
+}
+
+void StopwatchView::run() {
+    running = true;
+    start_time = chTimeNow() - previously_elapsed;
+    button_run_stop.set_text("STOP");
+    button_reset_lap.set_text("LAP");
+}
+
+void StopwatchView::stop() {
+    running = false;
+    end_time = chTimeNow();
+    previously_elapsed = end_time - start_time;
+    button_run_stop.set_text("START");
+    button_reset_lap.set_text("RESET");
+}
+
+void StopwatchView::reset() {
+    lap_time = end_time = start_time = previously_elapsed = 0;
+    big_display.set(0);
+    lap_display.set(0);
+}
+
+void StopwatchView::lap() {
+    lap_time = chTimeNow();
+    lap_display.set((lap_time - start_time) * 1000);  // convert elapsed time in ms to MHz for BigFrequency widget
+}
+
+void StopwatchView::paint(Painter& painter) {
+    (void)painter;
+    if (running) {
+        end_time = chTimeNow();
+        big_display.set((end_time - start_time) * 1000);  // convert elapsed time in ms to MHz for BigFrequency widget
+    }
+}
+
+void StopwatchView::frame_sync() {
+    set_dirty();
+}
+
+}  // namespace ui::external_app::stopwatch

firmware/application/external/stopwatch/ui_stopwatch.hpp

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2025 Mark Thompson
+ *
+ * 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_STOPWATCH_H__
+#define __UI_STOPWATCH_H__
+
+#include "ui_navigation.hpp"
+
+namespace ui::external_app::stopwatch {
+
+class StopwatchView : public View {
+   public:
+    StopwatchView(NavigationView& nav);
+    void focus() override;
+    void paint(Painter& painter) override;
+    void frame_sync();
+    std::string title() const override { return "Stopwatch"; };
+
+   private:
+    void run();
+    void stop();
+    void reset();
+    void lap();
+
+    bool running{false};
+    long long start_time{0};
+    long long end_time{0};
+    long long lap_time{0};
+    long long previously_elapsed{0};
+
+    Labels labels{
+        {{0 * 8, 1 * 16}, "TOTAL:", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 7 * 16}, "LAP:", Theme::getInstance()->fg_light->foreground},
+    };
+
+    BigFrequency big_display{
+        {4, 2 * 16 + 4, 28 * 8, 52},
+        0};
+
+    BigFrequency lap_display{
+        {4, 8 * 16 + 4, 28 * 8, 52},
+        0};
+
+    Button button_run_stop{
+        {72, 210, 96, 24},
+        "START"};
+
+    Button button_reset_lap{
+        {72, 240, 96, 24},
+        "RESET"};
+
+    Button button_done{
+        {72, 270, 96, 24},
+        "EXIT"};
+
+    MessageHandlerRegistration message_handler_frame_sync{
+        Message::ID::DisplayFrameSync,
+        [this](const Message* const) {
+            this->frame_sync();
+        }};
+};
+
+}  // namespace ui::external_app::stopwatch
+
+#endif /*__UI_STOPWATCH_H__*/

firmware/common/ui_widget.cpp

@@ -528,58 +528,63 @@ void BigFrequency::paint(Painter& painter) {
     Point digit_pos;
     ui::Color segment_color;
 
-    const auto rect = screen_rect();
+    if (_frequency != _previous_frequency) {
+        _previous_frequency = _frequency;
 
-    // Erase
-    painter.fill_rectangle(
-        {{0, rect.location().y()}, {screen_width, 52}},
-        Theme::getInstance()->bg_darkest->background);
+        rf::Frequency frequency{_frequency};
+        const auto rect = screen_rect();
 
-    // Prepare digits
-    if (!_frequency) {
-        digits.fill(10);  // ----.---
-        digit_pos = {0, rect.location().y()};
-    } else {
-        _frequency /= 1000;  // GMMM.KKK(uuu)
+        // Erase
+        painter.fill_rectangle(
+            {{0, rect.location().y()}, {screen_width, 52}},
+            Theme::getInstance()->bg_darkest->background);
 
-        for (i = 0; i < 7; i++) {
-            digits[6 - i] = _frequency % 10;
-            _frequency /= 10;
-        }
-
-        // Remove leading zeros
-        for (i = 0; i < 3; i++) {
-            if (!digits[i])
-                digits[i] = 16;  // "Don't draw" code
-            else
-                break;
-        }
-
-        digit_pos = {(Coord)(240 - ((7 * digit_width) + 8) - (i * digit_width)) / 2, rect.location().y()};
-    }
-
-    segment_color = style().foreground;
-
-    // Draw
-    for (i = 0; i < 7; i++) {
-        digit = digits[i];
-
-        if (digit < 16) {
-            digit_def = segment_font[(uint8_t)digit];
-
-            for (size_t s = 0; s < 7; s++) {
-                if (digit_def & 1)
-                    painter.fill_rectangle({digit_pos + segments[s].location(), segments[s].size()}, segment_color);
-                digit_def >>= 1;
-            }
-        }
-
-        if (i == 3) {
-            // Dot
-            painter.fill_rectangle({digit_pos + Point(34, 48), {4, 4}}, segment_color);
-            digit_pos += {(digit_width + 8), 0};
+        // Prepare digits
+        if (!frequency) {
+            digits.fill(10);  // ----.---
+            digit_pos = {0, rect.location().y()};
         } else {
-            digit_pos += {digit_width, 0};
+            frequency /= 1000;  // GMMM.KKK(uuu)
+
+            for (i = 0; i < 7; i++) {
+                digits[6 - i] = frequency % 10;
+                frequency /= 10;
+            }
+
+            // Remove leading zeros
+            for (i = 0; i < 3; i++) {
+                if (!digits[i])
+                    digits[i] = 16;  // "Don't draw" code
+                else
+                    break;
+            }
+
+            digit_pos = {(Coord)(240 - ((7 * digit_width) + 8) - (i * digit_width)) / 2, rect.location().y()};
+        }
+
+        segment_color = style().foreground;
+
+        // Draw
+        for (i = 0; i < 7; i++) {
+            digit = digits[i];
+
+            if (digit < 16) {
+                digit_def = segment_font[(uint8_t)digit];
+
+                for (size_t s = 0; s < 7; s++) {
+                    if (digit_def & 1)
+                        painter.fill_rectangle({digit_pos + segments[s].location(), segments[s].size()}, segment_color);
+                    digit_def >>= 1;
+                }
+            }
+
+            if (i == 3) {
+                // Dot
+                painter.fill_rectangle({digit_pos + Point(34, 48), {4, 4}}, segment_color);
+                digit_pos += {(digit_width + 8), 0};
+            } else {
+                digit_pos += {digit_width, 0};
+            }
         }
     }
 }

firmware/common/ui_widget.hpp

@@ -291,6 +291,7 @@ class BigFrequency : public Widget {
 
    private:
     rf::Frequency _frequency;
+    rf::Frequency _previous_frequency{~0LL};
 
     static constexpr Dim digit_width = 32;