From 4b7e9ca7c92e2592324a250b5e29fb2b4c0cb8e4 Mon Sep 17 00:00:00 2001
From: julian T <julian@jtle.dk>
Date: Sun, 30 Dec 2018 20:11:36 +0100
Subject: Fixed redrawing

---
 Jetris.ino  | 13 ++++++++++---
 drawing.h   |  1 -
 drawing.ino | 12 ++----------
 3 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/Jetris.ino b/Jetris.ino
index b600178..d68b3c7 100644
--- a/Jetris.ino
+++ b/Jetris.ino
@@ -3,7 +3,7 @@
 
 /* Compile settings */
 #define DEBUG_TO_SERIAL	 1
-#define RENDER_TO_SERIAL 0
+#define RENDER_TO_SERIAL 1
 
 /* Pin definitions */
 #define LEFT_PIN	2
@@ -16,6 +16,7 @@
 #define CLICK_TIME	100
 #define FALL_TIME	500
 #define DIFF		0.98
+#define REDRAW_TIME   250
 
 void setup() {
 	Serial.begin(115200);
@@ -251,8 +252,14 @@ void renderAll() {
 	renderToSerial();
 #endif
 
-	render(0, 0);
-	render(1, 8);
+	static unsigned long reRenderLast;
+	bool reRender = (millis() - reRenderLast ) > REDRAW_TIME;
+
+	render(0, 0, reRender);
+	render(1, 8, reRender);
+
+	if( reRender ) 
+		reRenderLast = millis();
 }
 
 /* 
diff --git a/drawing.h b/drawing.h
index 058d6c7..94b9be2 100644
--- a/drawing.h
+++ b/drawing.h
@@ -4,7 +4,6 @@
 
 /* Display settings */
 #define BUFF_HEIGHT   16
-#define REDRAW_TIME   1000
 #define NUM_DISPLAY   2
 
 /* Pin difinitions */
diff --git a/drawing.ino b/drawing.ino
index 35a8586..12cb9b3 100644
--- a/drawing.ino
+++ b/drawing.ino
@@ -31,23 +31,19 @@ void clearBuffer(uint8_t layer[] ) {
  *	device:	Which screen
  *	where:	It render the next 8 bytes from this index
  */
-void render(int display, unsigned int where) {
+void render(int display, unsigned int where, bool clean) {
 
 	static uint8_t onScreen[BUFF_HEIGHT];
-	static unsigned long reRenderLast;
 
 	int i;
 	uint8_t toWrite;
 
-	/* Completely rerender every one second */
-	bool reRender = (millis() - reRenderLast ) > REDRAW_TIME;
-
 	/* Will draw 8 lines from /where/. */
 	for(i = where; i < (where + 8); i++) {
 		toWrite = topLayer[i] | buttonLayer[i];
 
 		/* Check if whats on screen is the same */
-		if(onScreen[i] == toWrite && !reRender) 
+		if(onScreen[i] == toWrite && !clean) 
 			continue;
 
 		writeCommand(display, maxDIGIT_0 + i - where, toWrite);
@@ -55,10 +51,6 @@ void render(int display, unsigned int where) {
 		/* Keep track of whats on screen */
 		onScreen[i] = toWrite;
 	}
-
-	if(reRender)
-		reRenderLast = millis();
-	
 }
 
 /* Renders all 16 bytes to screen */
-- 
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