POCSAG Processor Rewrite (#1437)

* WIP Refactoring
* WordExtractor building
* Fix buffer sizes and squelch execute
* Move impls to cpp file
* Baud indicator
* WIP new bit extractor
* New approach for bit extraction.
* Code fit and finish
* Fix case on button
* Cleanup
* Adjust rate miss threshold
* Fix count bits error calculation.

firmware/application/apps/pocsag_app.cpp

@@ -105,6 +105,7 @@ POCSAGAppView::POCSAGAppView(NavigationView& nav)
          &field_volume,
          &image_status,
          &text_packet_count,
+         &widget_baud,
          &widget_bits,
          &widget_frames,
          &button_ignore_last,
@@ -274,11 +275,27 @@ void POCSAGAppView::on_packet(const POCSAGPacketMessage* message) {
 }
 
 void POCSAGAppView::on_stats(const POCSAGStatsMessage* stats) {
+    widget_baud.set_rate(stats->baud_rate);
     widget_bits.set_bits(stats->current_bits);
     widget_frames.set_frames(stats->current_frames);
     widget_frames.set_sync(stats->has_sync);
 }
 
+void BaudIndicator::paint(Painter& painter) {
+    auto p = screen_pos();
+    char top = '-';
+    char bot = '-';
+
+    if (rate_ > 0) {
+        auto r = rate_ / 100;
+        top = (r / 10) + '0';
+        bot = (r % 10) + '0';
+    }
+
+    painter.draw_char(p, Styles::white_small, top);
+    painter.draw_char({p.x(), p.y() + 8}, Styles::white_small, bot);
+}
+
 void BitsIndicator::paint(Painter&) {
     auto p = screen_pos();
     for (size_t i = 0; i < sizeof(bits_) * 8; ++i) {
@@ -295,7 +312,7 @@ void FrameIndicator::paint(Painter& painter) {
     painter.draw_rectangle({p, {2, height}}, has_sync_ ? Color::green() : Color::grey());
 
     for (size_t i = 0; i < height; ++i) {
-        auto p2 = p + Point{2, 16 - (int)i};
+        auto p2 = p + Point{2, 15 - (int)i};
         painter.draw_hline(p2, 2, i < frame_count_ ? Color::white() : Color::black());
     }
 }

firmware/application/apps/pocsag_app.hpp

@@ -52,6 +52,24 @@ class POCSAGLogger {
 
 namespace ui {
 
+class BaudIndicator : public Widget {
+   public:
+    BaudIndicator(Point position)
+        : Widget{{position, {5, height}}} {}
+
+    void paint(Painter& painter) override;
+    void set_rate(uint16_t rate) {
+        if (rate != rate_) {
+            rate_ = rate;
+            set_dirty();
+        }
+    }
+
+   private:
+    static constexpr uint8_t height = 16;
+    uint16_t rate_ = 0;
+};
+
 class BitsIndicator : public Widget {
    public:
     BitsIndicator(Point position)
@@ -247,10 +265,13 @@ class POCSAGAppView : public View {
         "0"};
 
     BitsIndicator widget_bits{
-        {9 * 7 + 6, 1 * 16 + 2}};
+        {8 * 8 + 1, 1 * 16 + 2}};
 
     FrameIndicator widget_frames{
-        {9 * 8, 1 * 16 + 2}};
+        {8 * 8 + 4, 1 * 16 + 2}};
+
+    BaudIndicator widget_baud{
+        {8 * 9 + 1, 1 * 16 + 2}};
 
     Button button_ignore_last{
         {10 * 8, 1 * 16, 12 * 8, 20},

firmware/application/apps/ui_settings.hpp

@@ -370,7 +370,7 @@ class SetConverterSettingsView : public View {
 
     Button button_return{
         {16 * 8, 16 * 16, 12 * 8, 32},
-        "return",
+        "Return",
     };
 };