Expose MAX2837 registers, show registers in debug view.

firmware/application/max2837.cpp

@@ -251,4 +251,8 @@ reg_t MAX2837::temp_sense() {
 	return value;
 }
 
+RegisterMap MAX2837::registers() {
+	return _map;
+}
+
 }

firmware/application/max2837.hpp

@@ -880,6 +880,8 @@ public:
 
 	reg_t temp_sense();
 
+	RegisterMap registers();
+
 private:
 	spi::arbiter::Target& _target;
 

firmware/application/radio.cpp

@@ -22,7 +22,6 @@
 #include "radio.hpp"
 
 #include "rf_path.hpp"
-#include "max2837.hpp"
 #include "max5864.hpp"
 #include "baseband_cpld.hpp"
 #include "baseband_sgpio.hpp"
@@ -88,7 +87,7 @@ static spi::arbiter::Target ssp1_target_max5864 {
 
 static rf::path::Path rf_path;
 rffc507x::RFFC507x first_if;
-static max2837::MAX2837 second_if { ssp1_target_max2837 };
+max2837::MAX2837 second_if { ssp1_target_max2837 };
 static max5864::MAX5864 baseband_codec { ssp1_target_max5864 };
 static baseband::CPLD baseband_cpld;
 static baseband::SGPIO baseband_sgpio;

firmware/application/radio.hpp

@@ -28,6 +28,7 @@
 #include <cstddef>
 
 #include "rffc507x.hpp"
+#include "max2837.hpp"
 
 namespace radio {
 
@@ -47,6 +48,7 @@ void streaming_disable();
 void disable();
 
 extern rffc507x::RFFC507x first_if;
+extern max2837::MAX2837 second_if;
 
 } /* namespace radio */
 

firmware/application/ui_debug.cpp

@@ -55,6 +55,53 @@ void DebugMemoryView::focus() {
 	button_done.focus();
 }
 
+void DebugMAX2837RegistersWidget::update() {
+	set_dirty();
+}
+
+void DebugMAX2837RegistersWidget::paint(Painter& painter) {
+	draw_legend(painter);
+
+	const auto registers = radio::second_if.registers();
+	draw_values(painter, registers);
+}
+
+void DebugMAX2837RegistersWidget::draw_legend(Painter& painter) {
+	for(size_t i=0; i<registers_count; i+=registers_per_row) {
+		const Point offset {
+			0, static_cast<Coord>((i / registers_per_row) * row_height)
+		};
+
+		const auto text = to_string_hex(i, legend_length);
+		painter.draw_string(
+			screen_pos() + offset,
+			style(),
+			text
+		);
+	}
+}
+
+void DebugMAX2837RegistersWidget::draw_values(
+	Painter& painter,
+	const max2837::RegisterMap registers
+) {
+	for(size_t i=0; i<registers_count; i++) {
+		const Point offset = {
+			static_cast<Coord>(legend_width + 8 + (i % registers_per_row) * (value_width + 8)),
+			static_cast<Coord>((i / registers_per_row) * row_height)
+		};
+
+		const uint16_t value = registers.w[i];
+
+		const auto text = to_string_hex(value, value_length);
+		painter.draw_string(
+			screen_pos() + offset,
+			style(),
+			text
+		);
+	}
+}
+
 void DebugRFFC5072RegistersWidget::update() {
 	set_dirty();
 }
@@ -109,7 +156,7 @@ DebugMenuView::DebugMenuView(NavigationView& nav) {
 		{ "Radio State", [&nav](){ nav.push(new NotImplementedView { nav }); } },
 		{ "SD Card",     [&nav](){ nav.push(new NotImplementedView { nav }); } },
 		{ "RFFC5072",    [&nav](){ nav.push(new DebugRFFC5072View  { nav }); } },
-		{ "MAX2837",     [&nav](){ nav.push(new NotImplementedView { nav }); } },
+		{ "MAX2837",     [&nav](){ nav.push(new DebugMAX2837View   { nav }); } },
 		{ "Si5351C",     [&nav](){ nav.push(new NotImplementedView { nav }); } },
 		{ "WM8731",      [&nav](){ nav.push(new NotImplementedView { nav }); } },
 	} });

firmware/application/ui_debug.hpp

@@ -29,6 +29,7 @@
 #include "ui_navigation.hpp"
 
 #include "rffc507x.hpp"
+#include "max2837.hpp"
 
 namespace ui {
 
@@ -117,6 +118,40 @@ private:
 	void draw_values(Painter& painter, const rffc507x::RegisterMap registers);
 };
 
+class DebugMAX2837RegistersWidget : public Widget {
+public:
+	constexpr DebugMAX2837RegistersWidget(
+		Rect parent_rect
+	) : Widget { parent_rect }
+	{
+	}
+
+	void update();
+
+	void paint(Painter& painter) override;
+
+	static constexpr const char* const name = "MAX2837";
+
+private:
+	static constexpr size_t registers_count = 32;
+
+	static constexpr size_t legend_length = 2;
+	static constexpr Dim legend_width = legend_length * 8;
+
+	static constexpr size_t value_length = 3;
+	static constexpr Dim value_width = value_length * 8;
+
+	static constexpr size_t registers_per_row = 4;
+	static constexpr size_t registers_row_length = (registers_per_row * (value_length + 1)) - 1;
+	static constexpr Dim registers_row_width = registers_row_length * 8;
+
+	static constexpr size_t rows = registers_count / registers_per_row;
+	static constexpr Dim row_height = 16;
+
+	void draw_legend(Painter& painter);
+	void draw_values(Painter& painter, const max2837::RegisterMap registers);
+};
+
 template<class RegistersWidget>
 class RegistersView : public View {
 public:
@@ -160,6 +195,7 @@ private:
 };
 
 using DebugRFFC5072View = RegistersView<DebugRFFC5072RegistersWidget>;
+using DebugMAX2837View = RegistersView<DebugMAX2837RegistersWidget>;
 
 class DebugMenuView : public MenuView {
 public: