From dfcc2f6bf28528bcb659c1deece7140999c9c90a Mon Sep 17 00:00:00 2001
From: Justin Richards <ratmandu@gmail.com>
Date: Sun, 27 Oct 2019 15:48:14 -0500
Subject: [PATCH] Adding original screen clearing LUT to help prevent burn-in

Signed-off-by: Justin Richards <ratmandu@gmail.com>
---
 .../ui/hw/libs/waveshare/v1/epd2in13bcFAST.py | 91 +++++++++++--------
 1 file changed, 55 insertions(+), 36 deletions(-)

diff --git a/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py b/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py
index b7704543..5804bdfb 100644
--- a/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py
+++ b/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py
@@ -58,10 +58,10 @@ class EPD:
         self.height = EPD_HEIGHT
 
     lut_vcomDC = [  
-        0x00, 0x08, 0x00, 0x00, 0x00, 0x02,
-        0x60, 0x28, 0x28, 0x00, 0x00, 0x01,
-        0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
-        0x00, 0x12, 0x12, 0x00, 0x00, 0x01,
+        0x99, 0x20, 0x20, 0x20, 0x20, 0x06,
+        0x00, 0x20, 0x20, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -69,44 +69,46 @@ class EPD:
     ]
 
     lut_ww = [  
-        0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
-        0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
-        0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
-        0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
+        0x66, 0x06, 0x06, 0x06, 0x06, 0x04,
+        0xAA, 0x32, 0x32, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
     lut_bw = [  
-        0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
-        0x90, 0x0F, 0x0F, 0x00, 0x00, 0x03,
-        0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
-        0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
+        0x66, 0x06, 0x06, 0x06, 0x06, 0x04,
+        0xAA, 0x32, 0x32, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
     lut_wb = [
-        0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
-        0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
-        0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
-        0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
+        0x99, 0x06, 0x06, 0x06, 0x06, 0x04,
+        0x55, 0x42, 0x42, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
     lut_bb = [ 
-        0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
-        0x90, 0x28, 0x28, 0x00, 0x00, 0x00,
-        0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
-        0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
+        0x99, 0x06, 0x06, 0x06, 0x06, 0x04,
+        0x55, 0x42, 0x42, 0x00, 0x00, 0x02,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    ]
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    ] 
     
     lut_vcom1 = [  
         0xA0, 0x10, 0x10, 0x00, 0x00, 0x02,
@@ -233,16 +235,32 @@ class EPD:
         return 0
         
     def SetFullReg(self):
-        self.send_command(0x82)
-        self.send_data(0x00)
-        self.send_command(0X50)
-        self.send_data(0x97)
-#        self.send_command(0x00)	# panel setting
-#        self.send_data(0x9f) # LUT from OTP,128x296
+        self.send_command(0x00)	# panel setting
+        self.send_data(0x9f) # LUT from OTP,128x296
+        #self.send_command(0x82)
+        #self.send_data(0x00)
+        #self.send_command(0X50)
+        #self.send_data(0x97)
+        
+        #self.send_command(0x20) # vcom
+        #for count in range(0, 44):
+        #    self.send_data(self.lut_vcomDC[count])
+        #self.send_command(0x21) # ww --
+        #for count in range(0, 42):
+        #    self.send_data(self.lut_ww[count])
+        #self.send_command(0x22) # bw r
+        #for count in range(0, 42):
+        #    self.send_data(self.lut_bw[count])
+        #self.send_command(0x23) # wb w
+        #for count in range(0, 42):
+        #    self.send_data(self.lut_wb[count])
+        #self.send_command(0x24) # bb b
+        #for count in range(0, 42):
+        #    self.send_data(self.lut_bb[count])
 
     def SetPartReg(self):
-#        self.send_command(0x00)	# panel setting
-#        self.send_data(0xbf) # LUT from OTP,128x296
+        self.send_command(0x00)	# panel setting
+        self.send_data(0xbf) # LUT from OTP,128x296
         self.send_command(0x82)
         self.send_data(0x03)
         self.send_command(0X50)
@@ -336,16 +354,17 @@ class EPD:
     def Clear(self):
         self.send_command(0x10)
         for i in range(0, int(self.width * self.height / 8)):
-            self.send_data(0x00)
-        epdconfig.delay_ms(10)
-        
+            self.send_data(0xFF)
+        self.send_command(0x92)
+
         self.send_command(0x13)
         for i in range(0, int(self.width * self.height / 8)):
-            self.send_data(0x00)
-        epdconfig.delay_ms(10)
-        
+            self.send_data(0xFF)
+        self.send_command(0x92)
+
         self.SetFullReg()
-        self.TurnOnDisplay()
+        self.send_command(0x12) # REFRESH
+        self.ReadBusy()
 
     def sleep(self):
         self.send_command(0X50)