diff --git a/.gitignore b/.gitignore
index a007fea..6ac506e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,6 @@
 build/*
+lib/*
+deps/*
+.idea/*
+cmake-build-debug/*
+CMakeLists.txt
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1223867
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "deps/ssd1306"]
+	path = deps/ssd1306
+	url = https://github.com/lexus2k/ssd1306.git
diff --git a/Makefile b/Makefile
index a368d0c..6a32bbf 100644
--- a/Makefile
+++ b/Makefile
@@ -2,12 +2,17 @@
 all: linux avr
 
 linux:
+	@echo make linux
 	@make -f linux.Makefile linux
 
-avr:
+avr: lib/libssd1306.a
+	@echo make avr
 	@make -f avr.Makefile avr
 
-
+lib/libssd1306.a:
+	@cd deps/ssd1306/src/; make -f Makefile.avr
+	@mkdir -p lib
+	@cp deps/ssd1306/bld/libssd1306.a lib/libssd1306.a
 
 flash:
 	@make -f avr.Makefile flash
diff --git a/avr.Makefile b/avr.Makefile
index 211e4e7..82c2988 100644
--- a/avr.Makefile
+++ b/avr.Makefile
@@ -39,18 +39,17 @@ CFLAGS += -std=gnu99
 CXXFLAGS += -std=c++11
 
 
-CFLAGS += -I$(INCDIR) -DAVR
-CXXFLAGS += -I$(INCDIR) -DAVR
+CFLAGS += -I$(INCDIR) -DAVR -Ideps/ssd1306/src/
+CXXFLAGS += -I$(INCDIR) -DAVR -Ideps/ssd1306/src/
 
-#LDFLAGS =
+LDFLAGS = -Llib -lssd1306
 
 
 
 #==== Programming Options (avrdude) ============================================
 
 AVRDUDE_PROGRAMMER = arduino
-AVRDUDE_PORT = /dev/ttyS4
-AVRDUDE_BAUD = 19200
+AVRDUDE_BAUD = 115200
 
 #AVRDUDE_NO_VERIFY = -V
 
@@ -77,8 +76,8 @@ SRC_PATH = $(SRC:%=$(SRCDIR)/%)
 OBJ = $(SRC_PATH:$(SRCDIR)/%.cpp=$(OBJDIR)/%.o)
 
 
-AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
-AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
+AVRDUDE_WRITE_FLASH = -U flash:w:$(OBJDIR)/$(TARGET).hex
+AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(OBJDIR)/$(TARGET).eep
 
 MEMORYTYPES = flash eeprom fuse lfuse hfuse efuse boot calibration lock signature application apptable prodsig usersig
 
@@ -126,11 +125,11 @@ size: $(OBJDIR)/$(TARGET).size
 program: flash eeprom
 
 
-flash: $(TARGET).hex
+flash: $(OBJDIR)/$(TARGET).hex
 	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
 
 
-eeprom: $(TARGET).eep
+eeprom: $(OBJDIR)/$(TARGET).eep
 	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_EEPROM)
 
 
diff --git a/deps/ssd1306 b/deps/ssd1306
new file mode 160000
index 0000000..5a1056b
--- /dev/null
+++ b/deps/ssd1306
@@ -0,0 +1 @@
+Subproject commit 5a1056bc6f8c7588f1ee2d01c5251cfb6c3209e7
diff --git a/inc/hal.h b/inc/hal.h
index 069419d..cf16b9c 100644
--- a/inc/hal.h
+++ b/inc/hal.h
@@ -9,6 +9,7 @@ void print(int str);
 void setup();
 void draw(int x, int y);
 void render();
+void quit();
 
 #ifndef LINUX
 
diff --git a/src/col.cpp b/src/col.cpp
index 46a8922..fb3ce15 100644
--- a/src/col.cpp
+++ b/src/col.cpp
@@ -22,28 +22,15 @@ void Layout::p(){
 	for(int j = 0; j < allocated_; j++){
 		Node * node;
 		if((node = slots[j].node) && node->view.render){
-			print(node->view.minsize);
-			print("...");
-			print(node->view.maxsize);
-			print("\n");
-			print(slots[j].pos_);
-			print("...");
-			print(slots[j].size_);
-			print("\n");
 			node->view.render(slots[j].pos_,slots[j].size_,node);
 		}
-		print("\n");
 	}
 }
 
 
 int Layout::apply(Node* node){
 	int rootslot = allocate_(node, maxslots);
-	print(rootslot);
-	print("\n");
 	int minsize = pack_(rootslot);
-	print(minsize);
-	print("\n");
 	expand_(minsize);
 	return 0;
 }
@@ -57,8 +44,6 @@ int Layout::pack_(int usedslots){
 		minsum+=slots[i].node->view.minsize;
 	}
 	allocated_ = i;
-	print(i);
-	print("\n");
 	return minsum;
 }
 
@@ -73,8 +58,7 @@ int Layout::expand_(int packedsize){
 		slots[i].size_=size;
 		pos+=size;
 	}
-	print(pos);
-	print("\n");
+	return 0;
 }
 
 int Layout::allocate_(Node* node, int depth){
diff --git a/src/example.cpp b/src/example.cpp
index 227b351..2e45fb6 100644
--- a/src/example.cpp
+++ b/src/example.cpp
@@ -39,8 +39,8 @@ void draw_menu(int offset, int size, Node* val){
 		//print(ptr->state);
 	}
 		
-		for(int i = 0; i<32;i++)
-			draw(offset,i);
-		for(int i = 0; i<32 && i<size;i++)
-			draw(offset+(i%size),i);
+	for(int i = 0; i<32;i++)
+		draw(offset,i);
+	for(int i = 0; i<32 && i<size;i++)
+		draw(offset+(i%size),i);
 }
diff --git a/src/hal.cpp b/src/hal.cpp
index f7295dc..c21f6ae 100644
--- a/src/hal.cpp
+++ b/src/hal.cpp
@@ -72,20 +72,31 @@ void print(int str){
 
 #else
 
+#ifdef AVR
+#include "ssd1306.h"
+#endif
+#include "ssd1306.h"
+#include "nano_gfx.h"
 #include <stdlib.h>
 
+uint8_t canvasData[SCREEN_WIDTH*(SCREEN_HEIGHT/8)];
+NanoCanvas canvas(SCREEN_WIDTH, SCREEN_HEIGHT, canvasData);
+
 void setup(){
-	//TODO implement
+  ssd1306_128x32_i2c_init();
+  ssd1306_fillScreen( 0x00 );
+  canvas.clear();
 }
 
 void draw(int x, int y){
-	//TODO implement
+  canvas.putPixel(x, y);
 }
 
 void render(){
-	//TODO implement
+  canvas.blt(0,0);
 }
 
+
 void * operator new(unsigned int size)
 {
   return malloc(size);
diff --git a/src/main.cpp b/src/main.cpp
index 2750f29..1bfa77d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,15 +2,21 @@
 #include "hal.h"
 #include "col.h"
 
+
 #include "example.h"
 
 
+#ifdef AVR
+#include "ssd1306.h"
+#endif
+
+
+
 int main() {
 
-	setup();
 
-//build tree
-	
+
+    //build tree
 	Node root(nullptr,
 		new Node("foo1",
 			new Node("foo2",
@@ -23,21 +29,21 @@ int main() {
 		new Node("blub", new Value("BLUB",5,draw_blub)),
 		new Node("blub", new Value("BLUB",5,draw_blub))
 	);
-	
 
-	root.p(0);
-	
-	
-//walk tree + allocate slots
-//position slots
+	///root.p(0);
+
 	
+    //walk tree + allocate slots
+    //position slots
 	// 128 x 32
 	Layout l(128);
 	l.apply(&root);
-	
+
+
 	//render
+    setup();
 	l.p();
-	
-	render();
-	
+    render();
+
+    return 0;
 }