TPMS RecentEntriesView and related stuff.

Replaces Console listing of raw records.

firmware/application/tpms_app.cpp

@@ -34,6 +34,26 @@ using namespace portapack;
 
 namespace tpms {
 
+namespace format {
+
+std::string type(Reading::Type type) {
+	return to_string_dec_uint(toUType(type), 2);
+}
+
+std::string id(TransponderID id) {
+	return to_string_hex(id.value(), 8);
+}
+
+std::string pressure(Pressure pressure) {
+	return to_string_dec_int(pressure.kilopascal(), 3);
+}
+
+std::string temperature(Temperature temperature) {
+	return to_string_dec_int(temperature.celsius(), 3);
+}
+
+} /* namespace format */
+
 Timestamp Packet::received_at() const {
 	return packet_.timestamp();
 }
@@ -130,11 +150,66 @@ void TPMSLogger::on_packet(const tpms::Packet& packet) {
 	}
 }
 
+const TPMSRecentEntry::Key TPMSRecentEntry::invalid_key = { tpms::Reading::Type::None, 0 };
+
+void TPMSRecentEntry::update(const tpms::Reading& reading) {
+	received_count++;
+
+	if( reading.pressure().is_valid() ) {
+		last_pressure = reading.pressure();
+		// pressures.emplace_back(reading.pressure().value());
+		// while( pressures.size() > 20 ) {
+		// 	pressures.pop_front();
+		// }
+	}
+	if( reading.temperature().is_valid() ) {
+		last_temperature = reading.temperature();
+		// temperatures.emplace_back(reading.temperature().value());
+		// while( temperatures.size() > 20 ) {
+		// 	temperatures.pop_front();
+		// }
+	}
+}
+
 namespace ui {
 
+template<>
+void RecentEntriesView<TPMSRecentEntries>::draw(
+	const Entry& entry,
+	const Rect& target_rect,
+	Painter& painter,
+	const Style& style,
+	const bool is_selected
+) {
+	const auto& draw_style = is_selected ? style.invert() : style;
+
+	std::string line = tpms::format::type(entry.type) + " " + tpms::format::id(entry.id);
+
+	if( entry.last_pressure.is_valid() ) {
+		line += " " + tpms::format::pressure(entry.last_pressure.value());
+	} else {
+		line += " " "   ";
+	}
+
+	if( entry.last_temperature.is_valid() ) {
+		line += " " + tpms::format::temperature(entry.last_temperature.value());
+	} else {
+		line += " " "   ";
+	}
+
+	if( entry.received_count > 999 ) {
+		line += " +++";
+	} else {
+		line += " " + to_string_dec_uint(entry.received_count, 3);
+	}
+
+	line.resize(target_rect.width() / 8, ' ');
+	painter.draw_string(target_rect.pos, draw_style, line);
+}
+
 TPMSAppView::TPMSAppView() {
 	add_children({ {
-		&console,
+		&recent_entries_view,
 	} });
 
 	EventDispatcher::message_map().register_handler(Message::ID::TPMSPacket,
@@ -159,27 +234,23 @@ TPMSAppView::~TPMSAppView() {
 
 void TPMSAppView::set_parent_rect(const Rect new_parent_rect) {
 	View::set_parent_rect(new_parent_rect);
-	console.set_parent_rect({ 0, 0, new_parent_rect.width(), new_parent_rect.height() });
+	recent_entries_view.set_parent_rect({ 0, 0, new_parent_rect.width(), new_parent_rect.height() });
 }
 
 void TPMSAppView::on_packet(const tpms::Packet& packet) {
-	this->logger.on_packet(packet);
+	logger.on_packet(packet);
-	this->draw(packet);
-}
 
-void TPMSAppView::draw(const tpms::Packet& packet) {
 	const auto reading_opt = packet.reading();
 	if( reading_opt.is_valid() ) {
 		const auto reading = reading_opt.value();
-		auto s = to_string_dec_uint(toUType(reading.type()), 2) + " " + to_string_hex(reading.id().value(), 8);
+		const auto updated_entry = recent.on_packet({ reading.type(), reading.id() }, reading);
-		if( reading.pressure().is_valid() ) {
+		recent_entries_view.set_dirty();
-			s += " " + to_string_dec_int(reading.pressure().value().kilopascal(), 3);
-		}
-		if( reading.temperature().is_valid() ) {
-			s += " " + to_string_dec_int(reading.temperature().value().celsius(), 3);
-		}
-		console.writeln(s);
 	}
 }
 
+void TPMSAppView::on_show_list() {
+	recent_entries_view.hidden(false);
+	recent_entries_view.focus();
+}
+
 } /* namespace ui */

firmware/application/tpms_app.hpp

@@ -22,13 +22,12 @@
 #ifndef __TPMS_APP_H__
 #define __TPMS_APP_H__
 
-#include "ui_console.hpp"
-
 #include "field_reader.hpp"
 #include "baseband_packet.hpp"
 #include "manchester.hpp"
 #include "log_file.hpp"
 
+#include "recent_entries.hpp"
 
 template<typename T>
 class Optional {
@@ -60,7 +59,7 @@ public:
 	{
 	}
 
-	uint32_t value() const {
+	constexpr uint32_t value() const {
 		return id_;
 	}
 
@@ -204,6 +203,43 @@ private:
 
 } /* namespace tpms */
 
+namespace std {
+
+constexpr bool operator==(const tpms::TransponderID& lhs, const tpms::TransponderID& rhs) {
+	return (lhs.value() == rhs.value());
+}
+
+} /* namespace std */
+
+struct TPMSRecentEntry {
+	using Key = std::pair<tpms::Reading::Type, tpms::TransponderID>;
+
+	static const Key invalid_key;
+
+	tpms::Reading::Type type { tpms::Reading::Type::None };
+	tpms::TransponderID id { 0 };
+
+	size_t received_count { 0 };
+
+	Optional<tpms::Pressure> last_pressure;
+	Optional<tpms::Temperature> last_temperature;
+
+	TPMSRecentEntry(
+		const Key& key
+	) : type { key.first },
+		id { key.second }
+	{
+	}
+
+	Key key() const {
+		return { type, id };
+	}
+
+	void update(const tpms::Reading& reading);
+};
+
+using TPMSRecentEntries = RecentEntries<tpms::Reading, TPMSRecentEntry>;
+
 class TPMSLogger {
 public:
 	void on_packet(const tpms::Packet& packet);
@@ -214,6 +250,8 @@ private:
 
 namespace ui {
 
+using TPMSRecentEntriesView = RecentEntriesView<TPMSRecentEntries>;
+
 class TPMSAppView : public View {
 public:
 	TPMSAppView();
@@ -221,13 +259,18 @@ public:
 
 	void set_parent_rect(const Rect new_parent_rect) override;
 
+	// Prevent painting of region covered entirely by a child.
+	// TODO: Add flag to View that specifies view does not need to be cleared before painting.
+	void paint(Painter&) override { };
+
 private:
+	TPMSRecentEntries recent;
 	TPMSLogger logger;
 
-	Console console;
+	TPMSRecentEntriesView recent_entries_view { recent };
 
 	void on_packet(const tpms::Packet& packet);
-	void draw(const tpms::Packet& packet);
+	void on_show_list();
 };
 
 } /* namespace ui */