From 16e310e37792f87481ab281d3e97a92781254557 Mon Sep 17 00:00:00 2001
From: Justin Richards <ratmandu@gmail.com>
Date: Sun, 27 Oct 2019 02:18:42 -0500
Subject: [PATCH] Adding fast display update for waveshare 3-color

Signed-off-by: Justin Richards <ratmandu@gmail.com>
---
 .../ui/hw/libs/waveshare/v1/epd2in13bcFAST.py | 359 ++++++++++++++++++
 pwnagotchi/ui/hw/waveshare1.py                |  17 +-
 2 files changed, 370 insertions(+), 6 deletions(-)
 create mode 100644 pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py

diff --git a/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py b/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py
new file mode 100644
index 0000000..b770454
--- /dev/null
+++ b/pwnagotchi/ui/hw/libs/waveshare/v1/epd2in13bcFAST.py
@@ -0,0 +1,359 @@
+# *****************************************************************************
+# * | File        :	  epd2in13d.py
+# * | Author      :   Waveshare team
+# * | Function    :   Electronic paper driver
+# * | Info        :
+# *----------------
+# * | This version:   V4.0
+# * | Date        :   2019-06-20
+# # | Info        :   python demo
+# -----------------------------------------------------------------------------
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+
+# =============================================================================
+# THIS FILE HAS BEEN MODIFIED FROM ORIGINAL, IT HAS BEEN MODIFIED TO RUN THE
+# THREE COLOR WAVESHARE 2.13IN DISPLAY AT A MUCH, MUCH FASTER RATE THAN NORMAL
+# AND IT COULD DAMAGE YOUR DISPLAY. THERE IS NO WARRANTY INCLUDED AND YOU USE
+# THIS CODE AT YOUR OWN RISK. WE ARE NOT RESPONSIBLE FOR ANYTHING THAT HAPPENS
+# INCLUDING BUT NOT LIMITED TO: DESTRUCTION OF YOUR DISPLAY, PI, HOUSE, CAR,
+# SPACE-TIME-CONTINUUM, OR IF THE CODE KILLS YOUR CAT. IF YOU AREN'T WILLING TO 
+# TAKE THESE RISKS, PLEASE DO NOT USE THIS CODE.
+# =============================================================================
+
+
+import logging
+from . import epdconfig
+from PIL import Image
+import RPi.GPIO as GPIO
+
+# Display resolution
+EPD_WIDTH       = 104
+EPD_HEIGHT      = 212
+
+class EPD:
+    def __init__(self):
+        self.reset_pin = epdconfig.RST_PIN
+        self.dc_pin = epdconfig.DC_PIN
+        self.busy_pin = epdconfig.BUSY_PIN
+        self.cs_pin = epdconfig.CS_PIN
+        self.width = EPD_WIDTH
+        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,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00,
+    ]
+
+    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,
+        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,
+        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,
+        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,
+        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,
+        0x00, 0x10, 0x10, 0x00, 0x00, 0x01,
+        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_ww1 = [  
+        0x50, 0x01, 0x01, 0x00, 0x00, 0x01,
+        0xA0, 0x42, 0x42, 0x00, 0x00, 0x01,
+        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_bw1 = [  
+        0x50, 0x01, 0x01, 0x00, 0x00, 0x01,
+        0xA0, 0x42, 0x42, 0x00, 0x00, 0x01,
+        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_wb1 = [
+        0xA0, 0x01, 0x01, 0x00, 0x00, 0x01,
+        0x50, 0x42, 0x42, 0x00, 0x00, 0x01,
+        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_bb1 = [ 
+        0xA0, 0x01, 0x01, 0x00, 0x00, 0x01,
+        0x50, 0x42, 0x42, 0x00, 0x00, 0x01,
+        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,
+    ] 
+
+        
+    # Hardware reset
+    def reset(self):
+        epdconfig.digital_write(self.reset_pin, 1)
+        epdconfig.delay_ms(200) 
+        epdconfig.digital_write(self.reset_pin, 0)
+        epdconfig.delay_ms(10)
+        epdconfig.digital_write(self.reset_pin, 1)
+        epdconfig.delay_ms(200)   
+
+    def send_command(self, command):
+        epdconfig.digital_write(self.dc_pin, 0)
+        epdconfig.digital_write(self.cs_pin, 0)
+        epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, 1)
+
+    def send_data(self, data):
+        epdconfig.digital_write(self.dc_pin, 1)
+        epdconfig.digital_write(self.cs_pin, 0)
+        epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, 1)
+        
+    def ReadBusy(self):
+        logging.debug("e-Paper busy")
+        while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy
+            self.send_command(0x71)
+            epdconfig.delay_ms(100)  
+        logging.debug("e-Paper busy release")
+        
+    def TurnOnDisplay(self):
+        self.send_command(0x12)
+        epdconfig.delay_ms(10)
+        self.ReadBusy()
+        
+    def init(self):
+        if (epdconfig.module_init() != 0):
+            return -1
+        # EPD hardware init start
+        self.reset()
+        
+        self.send_command(0x01)	# POWER SETTING
+        self.send_data(0x03)
+        self.send_data(0x00)
+        self.send_data(0x2b)
+        self.send_data(0x2b)
+        self.send_data(0x03)
+
+        self.send_command(0x06)	# boost soft start
+        self.send_data(0x17) # A
+        self.send_data(0x17) # B
+        self.send_data(0x17) # C
+
+        self.send_command(0x04)
+        self.ReadBusy()
+
+        self.send_command(0x00)	# panel setting
+        self.send_data(0xbf) # LUT from OTP,128x296
+        self.send_data(0x0d) # VCOM to 0V fast
+
+        self.send_command(0x30)	# PLL setting
+        self.send_data(0x21) # 3a 100HZ   29 150Hz 39 200HZ	31 171HZ
+
+        self.send_command(0x61)	# resolution setting
+        self.send_data(self.width)
+        self.send_data((self.height >> 8) & 0xff)
+        self.send_data(self.height& 0xff)
+
+        self.send_command(0x82)	# vcom_DC setting
+        self.send_data(0x28)
+        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
+
+    def SetPartReg(self):
+#        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)
+        self.send_data(0x47)
+        
+        self.send_command(0x20) # vcom
+        for count in range(0, 44):
+            self.send_data(self.lut_vcom1[count])
+        self.send_command(0x21) # ww --
+        for count in range(0, 42):
+            self.send_data(self.lut_ww1[count])
+        self.send_command(0x22) # bw r
+        for count in range(0, 42):
+            self.send_data(self.lut_bw1[count])
+        self.send_command(0x23) # wb w
+        for count in range(0, 42):
+            self.send_data(self.lut_wb1[count])
+        self.send_command(0x24) # bb b
+        for count in range(0, 42):
+            self.send_data(self.lut_bb1[count])
+
+    def getbuffer(self, image):
+        # logging.debug("bufsiz = ",int(self.width/8) * self.height)
+        buf = [0xFF] * (int(self.width/8) * self.height)
+        image_monocolor = image.convert('1')
+        imwidth, imheight = image_monocolor.size
+        pixels = image_monocolor.load()
+        # logging.debug("imwidth = %d, imheight = %d",imwidth,imheight)
+        if(imwidth == self.width and imheight == self.height):
+            logging.debug("Vertical")
+            for y in range(imheight):
+                for x in range(imwidth):
+                    # Set the bits for the column of pixels at the current position.
+                    if pixels[x, y] == 0:
+                        buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
+        elif(imwidth == self.height and imheight == self.width):
+            logging.debug("Horizontal")
+            for y in range(imheight):
+                for x in range(imwidth):
+                    newx = y
+                    newy = self.height - x - 1
+                    if pixels[x, y] == 0:
+                        buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8))
+        return buf
+
+    def display(self, image):
+        if (Image == None):
+            return
+            
+        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_command(0x13)
+        for i in range(0, int(self.width * self.height / 8)):
+            self.send_data(image[i])
+        epdconfig.delay_ms(10)
+        
+        self.SetFullReg()
+        self.TurnOnDisplay()
+        
+    def DisplayPartial(self, image):   
+        if (Image == None):
+            return
+            
+        self.SetPartReg()
+        self.send_command(0x91)
+        self.send_command(0x90)
+        self.send_data(0)
+        self.send_data(self.width - 1)
+
+        self.send_data(0)
+        self.send_data(0)
+        self.send_data(int(self.height / 256))
+        self.send_data(self.height % 256 - 1)
+        self.send_data(0x28)
+            
+        self.send_command(0x10)
+        for i in range(0, int(self.width * self.height / 8)):
+            self.send_data(image[i])
+        epdconfig.delay_ms(10)
+        
+        self.send_command(0x13)
+        for i in range(0, int(self.width * self.height / 8)):
+            self.send_data(~image[i])
+        epdconfig.delay_ms(10)
+          
+        self.TurnOnDisplay()
+        
+    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_command(0x13)
+        for i in range(0, int(self.width * self.height / 8)):
+            self.send_data(0x00)
+        epdconfig.delay_ms(10)
+        
+        self.SetFullReg()
+        self.TurnOnDisplay()
+
+    def sleep(self):
+        self.send_command(0X50)
+        self.send_data(0xf7)
+        self.send_command(0X02) # power off
+        self.send_command(0X07) # deep sleep  
+        self.send_data(0xA5)
+
+        epdconfig.module_exit()
+
+### END OF FILE ###
diff --git a/pwnagotchi/ui/hw/waveshare1.py b/pwnagotchi/ui/hw/waveshare1.py
index 47e55e1..72557e8 100644
--- a/pwnagotchi/ui/hw/waveshare1.py
+++ b/pwnagotchi/ui/hw/waveshare1.py
@@ -60,7 +60,14 @@ class WaveshareV1(DisplayImpl):
             self._display.init(self._display.lut_full_update)
             self._display.Clear(0xFF)
             self._display.init(self._display.lut_partial_update)
-
+        elif self.config['color'] == 'fastAndFurious':
+            logging.info("initializing waveshare v1 3-color display in FAST MODE")
+            logging.info("THIS MAY BE POTENTIALLY DANGEROUS. NO WARRANTY IS PROVIDED")
+            logging.info("USE THIS DISPLAY IN THIS MODE AT YOUR OWN RISK")
+            from pwnagotchi.ui.hw.libs.waveshare.v1.epd2in13bcFAST import EPD
+            self._display = EPD()
+            self._display.init()
+            self._display.Clear(0xFF)
         else:
             logging.info("initializing waveshare v1 display 3-color mode")
             from pwnagotchi.ui.hw.libs.waveshare.v1.epd2in13bc import EPD
@@ -72,13 +79,11 @@ class WaveshareV1(DisplayImpl):
         if self.config['color'] == 'black':
             buf = self._display.getbuffer(canvas)
             self._display.display(buf)
+        elif self.config['color'] == 'fastAndFurious':
+            buf_black = self._display.getbuffer(canvas)
+            self._display.DisplayPartial(buf_black)
         else:
             buf_black = self._display.getbuffer(canvas)
-            # emptyImage = Image.new('1', (self._display.height, self._display.width), 255)
-            # buf_color = self._display.getbuffer(emptyImage)
-            # self._display.display(buf_black,buf_color)
-            # Custom display function that only handles black
-            # Was included in epd2in13bc.py
             self._display.displayBlack(buf_black)
 
     def clear(self):