From 894d4b955c7d60b24cb9188b3a7cb7f68f42dc73 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Wed, 27 Jan 2016 20:33:54 -0800
Subject: [PATCH] Unclever first attempt at display sleep.

---
 firmware/application/event_m0.cpp      | 26 ++++++++++++++------------
 firmware/application/event_m0.hpp      |  8 ++++++++
 firmware/application/main.cpp          |  5 +++++
 firmware/application/ui_navigation.cpp |  7 +++++++
 firmware/application/ui_navigation.hpp |  5 +++++
 firmware/common/message.hpp            |  9 +++++++++
 6 files changed, 48 insertions(+), 12 deletions(-)

diff --git a/firmware/application/event_m0.cpp b/firmware/application/event_m0.cpp
index 6e889771..df694bb5 100644
--- a/firmware/application/event_m0.cpp
+++ b/firmware/application/event_m0.cpp
@@ -98,21 +98,23 @@ void EventDispatcher::dispatch(const eventmask_t events) {
 	if( events & EVT_MASK_RTC_TICK ) {
 		handle_rtc_tick();
 	}
+	
+	if( !display_sleep ) {
+		if( events & EVT_MASK_LCD_FRAME_SYNC ) {
+			handle_lcd_frame_sync();
+		}
 
-	if( events & EVT_MASK_LCD_FRAME_SYNC ) {
-		handle_lcd_frame_sync();
-	}
+		if( events & EVT_MASK_SWITCHES ) {
+			handle_switches();
+		}
 
-	if( events & EVT_MASK_SWITCHES ) {
-		handle_switches();
-	}
+		if( events & EVT_MASK_ENCODER ) {
+			handle_encoder();
+		}
 
-	if( events & EVT_MASK_ENCODER ) {
-		handle_encoder();
-	}
-
-	if( events & EVT_MASK_TOUCH ) {
-		handle_touch();
+		if( events & EVT_MASK_TOUCH ) {
+			handle_touch();
+		}
 	}
 }
 
diff --git a/firmware/application/event_m0.hpp b/firmware/application/event_m0.hpp
index 1409ceb7..38eea566 100644
--- a/firmware/application/event_m0.hpp
+++ b/firmware/application/event_m0.hpp
@@ -27,6 +27,8 @@
 #include "ui_widget.hpp"
 #include "ui_painter.hpp"
 
+#include "portapack.hpp"
+
 #include "message.hpp"
 
 #include "touch.hpp"
@@ -53,6 +55,11 @@ public:
 	void run();
 	void request_stop();
 
+	void set_display_sleep(bool new_value) {
+		portapack::io.lcd_backlight(false);
+		display_sleep = new_value;
+	};
+
 	static inline void events_flag(const eventmask_t events) {
 		if( thread_event_loop ) {
 			chEvtSignal(thread_event_loop, events);
@@ -80,6 +87,7 @@ private:
 	uint32_t encoder_last = 0;
 	bool is_running = true;
 	bool sd_card_present = false;
+	bool display_sleep = false;
 
 	eventmask_t wait();
 	void dispatch(const eventmask_t events);
diff --git a/firmware/application/main.cpp b/firmware/application/main.cpp
index d9900426..a3674ab7 100755
--- a/firmware/application/main.cpp
+++ b/firmware/application/main.cpp
@@ -81,6 +81,11 @@ int main(void) {
 			event_dispatcher.request_stop();
 		}
 	);
+	EventDispatcher::message_map().register_handler(Message::ID::DisplaySleep,
+		[&event_dispatcher](const Message* const) {
+			event_dispatcher.set_display_sleep(true);
+		}
+	);
 
 	m4_init(portapack::spi_flash::baseband, portapack::memory::map::m4_code);
 
diff --git a/firmware/application/ui_navigation.cpp b/firmware/application/ui_navigation.cpp
index e2c76b6c..6a21d215 100644
--- a/firmware/application/ui_navigation.cpp
+++ b/firmware/application/ui_navigation.cpp
@@ -22,6 +22,7 @@
 #include "ui_navigation.hpp"
 
 #include "portapack.hpp"
+#include "event_m0.hpp"
 #include "receiver_model.hpp"
 
 #include "ui_setup.hpp"
@@ -42,6 +43,7 @@ SystemStatusView::SystemStatusView() {
 	add_children({ {
 		&button_back,
 		&title,
+		&button_sleep,
 		&sd_card_status_view,
 	} });
 	sd_card_status_view.set_parent_rect({ 28 * 8, 0 * 16,  2 * 8, 1 * 16 });
@@ -51,6 +53,11 @@ SystemStatusView::SystemStatusView() {
 			this->on_back();
 		}
 	};
+
+	button_sleep.on_select = [this](Button&) {
+		DisplaySleepMessage message;
+		EventDispatcher::message_map().send(&message);
+	};
 }
 
 void SystemStatusView::set_back_visible(bool new_value) {
diff --git a/firmware/application/ui_navigation.hpp b/firmware/application/ui_navigation.hpp
index 5dab355b..a0c0ce04 100644
--- a/firmware/application/ui_navigation.hpp
+++ b/firmware/application/ui_navigation.hpp
@@ -59,6 +59,11 @@ private:
 		default_title,
 	};
 
+	Button button_sleep {
+		{ 25 * 8, 0, 2 * 8, 1 * 16 },
+		"ZZ",
+	};
+
 	SDCardStatusView sd_card_status_view;
 };
 
diff --git a/firmware/common/message.hpp b/firmware/common/message.hpp
index 66eebbc5..5c823938 100644
--- a/firmware/common/message.hpp
+++ b/firmware/common/message.hpp
@@ -58,6 +58,7 @@ public:
 		AMConfigure = 13,
 		ChannelSpectrumConfig = 14,
 		SpectrumStreamingConfig = 15,
+		DisplaySleep = 16,
 		MAX
 	};
 
@@ -165,6 +166,14 @@ struct AudioStatistics {
 	}
 };
 
+class DisplaySleepMessage : public Message {
+public:
+	constexpr DisplaySleepMessage(
+	) : Message { ID::DisplaySleep }
+	{
+	}
+};
+
 class AudioStatisticsMessage : public Message {
 public:
 	constexpr AudioStatisticsMessage(