diff options
Diffstat (limited to 'epaper/epd2in13.py')
| -rw-r--r-- | epaper/epd2in13.py | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/epaper/epd2in13.py b/epaper/epd2in13.py new file mode 100644 index 0000000..9d1359a --- /dev/null +++ b/epaper/epd2in13.py @@ -0,0 +1,313 @@ +# *****************************************************************************
+# * | File : epd2in13_V2.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.
+#
+
+
+import logging
+import epdconfig
+import numpy as np
+
+# Display resolution
+EPD_WIDTH = 122
+EPD_HEIGHT = 250
+
+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
+
+ FULL_UPDATE = 0
+ PART_UPDATE = 1
+ lut_full_update= [
+ 0x80,0x60,0x40,0x00,0x00,0x00,0x00, #LUT0: BB: VS 0 ~7
+ 0x10,0x60,0x20,0x00,0x00,0x00,0x00, #LUT1: BW: VS 0 ~7
+ 0x80,0x60,0x40,0x00,0x00,0x00,0x00, #LUT2: WB: VS 0 ~7
+ 0x10,0x60,0x20,0x00,0x00,0x00,0x00, #LUT3: WW: VS 0 ~7
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT4: VCOM: VS 0 ~7
+
+ 0x03,0x03,0x00,0x00,0x02, # TP0 A~D RP0
+ 0x09,0x09,0x00,0x00,0x02, # TP1 A~D RP1
+ 0x03,0x03,0x00,0x00,0x02, # TP2 A~D RP2
+ 0x00,0x00,0x00,0x00,0x00, # TP3 A~D RP3
+ 0x00,0x00,0x00,0x00,0x00, # TP4 A~D RP4
+ 0x00,0x00,0x00,0x00,0x00, # TP5 A~D RP5
+ 0x00,0x00,0x00,0x00,0x00, # TP6 A~D RP6
+
+ 0x15,0x41,0xA8,0x32,0x30,0x0A,
+ ]
+
+ lut_partial_update = [ #20 bytes
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT0: BB: VS 0 ~7
+ 0x80,0x00,0x00,0x00,0x00,0x00,0x00, #LUT1: BW: VS 0 ~7
+ 0x40,0x00,0x00,0x00,0x00,0x00,0x00, #LUT2: WB: VS 0 ~7
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT3: WW: VS 0 ~7
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT4: VCOM: VS 0 ~7
+
+ 0x0A,0x00,0x00,0x00,0x00, # TP0 A~D RP0
+ 0x00,0x00,0x00,0x00,0x00, # TP1 A~D RP1
+ 0x00,0x00,0x00,0x00,0x00, # TP2 A~D RP2
+ 0x00,0x00,0x00,0x00,0x00, # TP3 A~D RP3
+ 0x00,0x00,0x00,0x00,0x00, # TP4 A~D RP4
+ 0x00,0x00,0x00,0x00,0x00, # TP5 A~D RP5
+ 0x00,0x00,0x00,0x00,0x00, # TP6 A~D RP6
+
+ 0x15,0x41,0xA8,0x32,0x30,0x0A,
+ ]
+
+ # 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):
+ while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
+ epdconfig.delay_ms(100)
+
+ def TurnOnDisplay(self):
+ self.send_command(0x22)
+ self.send_data(0xC7)
+ self.send_command(0x20)
+ self.ReadBusy()
+
+ def TurnOnDisplayPart(self):
+ self.send_command(0x22)
+ self.send_data(0x0c)
+ self.send_command(0x20)
+ self.ReadBusy()
+
+ def init(self, update):
+ if (epdconfig.module_init() != 0):
+ return -1
+ # EPD hardware init start
+ self.reset()
+ if(update == self.FULL_UPDATE):
+ self.ReadBusy()
+ self.send_command(0x12) # soft reset
+ self.ReadBusy()
+
+ self.send_command(0x74) #set analog block control
+ self.send_data(0x54)
+ self.send_command(0x7E) #set digital block control
+ self.send_data(0x3B)
+
+ self.send_command(0x01) #Driver output control
+ self.send_data(0xF9)
+ self.send_data(0x00)
+ self.send_data(0x00)
+
+ self.send_command(0x11) #data entry mode
+ self.send_data(0x01)
+
+ self.send_command(0x44) #set Ram-X address start/end position
+ self.send_data(0x00)
+ self.send_data(0x0F) #0x0C-->(15+1)*8=128
+
+ self.send_command(0x45) #set Ram-Y address start/end position
+ self.send_data(0xF9) #0xF9-->(249+1)=250
+ self.send_data(0x00)
+ self.send_data(0x00)
+ self.send_data(0x00)
+
+ self.send_command(0x3C) #BorderWavefrom
+ self.send_data(0x03)
+
+ self.send_command(0x2C) #VCOM Voltage
+ self.send_data(0x55) #
+
+ self.send_command(0x03)
+ self.send_data(self.lut_full_update[70])
+
+ self.send_command(0x04) #
+ self.send_data(self.lut_full_update[71])
+ self.send_data(self.lut_full_update[72])
+ self.send_data(self.lut_full_update[73])
+
+ self.send_command(0x3A) #Dummy Line
+ self.send_data(self.lut_full_update[74])
+ self.send_command(0x3B) #Gate time
+ self.send_data(self.lut_full_update[75])
+
+ self.send_command(0x32)
+ for count in range(70):
+ self.send_data(self.lut_full_update[count])
+
+ self.send_command(0x4E) # set RAM x address count to 0
+ self.send_data(0x00)
+ self.send_command(0x4F) # set RAM y address count to 0X127
+ self.send_data(0xF9)
+ self.send_data(0x00)
+ self.ReadBusy()
+ else:
+ self.send_command(0x2C) #VCOM Voltage
+ self.send_data(0x26)
+
+ self.ReadBusy()
+
+ self.send_command(0x32)
+ for count in range(70):
+ self.send_data(self.lut_partial_update[count])
+
+ self.send_command(0x37)
+ self.send_data(0x00)
+ self.send_data(0x00)
+ self.send_data(0x00)
+ self.send_data(0x00)
+ self.send_data(0x40)
+ self.send_data(0x00)
+ self.send_data(0x00)
+
+ self.send_command(0x22)
+ self.send_data(0xC0)
+ self.send_command(0x20)
+ self.ReadBusy()
+
+ self.send_command(0x3C) #BorderWavefrom
+ self.send_data(0x01)
+ return 0
+
+ def getbuffer(self, image):
+ if self.width%8 == 0:
+ linewidth = int(self.width/8)
+ else:
+ linewidth = int(self.width/8) + 1
+
+ buf = [0xFF] * (linewidth * self.height)
+ image_monocolor = image.convert('1')
+ imwidth, imheight = image_monocolor.size
+ pixels = image_monocolor.load()
+
+ if(imwidth == self.width and imheight == self.height):
+ logging.debug("Vertical")
+ for y in range(imheight):
+ for x in range(imwidth):
+ if pixels[x, y] == 0:
+ x = imwidth - x
+ buf[int(x / 8) + y * linewidth] &= ~(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:
+ newy = imwidth - newy - 1
+ buf[int(newx / 8) + newy*linewidth] &= ~(0x80 >> (y % 8))
+ return buf
+
+
+ def display(self, image):
+ if self.width%8 == 0:
+ linewidth = int(self.width/8)
+ else:
+ linewidth = int(self.width/8) + 1
+
+ self.send_command(0x24)
+ for j in range(0, self.height):
+ for i in range(0, linewidth):
+ self.send_data(image[i + j * linewidth])
+ self.TurnOnDisplay()
+
+ def displayPartial(self, image):
+ if self.width%8 == 0:
+ linewidth = int(self.width/8)
+ else:
+ linewidth = int(self.width/8) + 1
+
+ self.send_command(0x24)
+ for j in range(0, self.height):
+ for i in range(0, linewidth):
+ self.send_data(image[i + j * linewidth])
+
+
+ # self.send_command(0x26)
+ # for j in range(0, self.height):
+ # for i in range(0, linewidth):
+ # self.send_data(~image[i + j * linewidth])
+ self.TurnOnDisplayPart()
+
+ def displayPartBaseImage(self, image):
+ if self.width%8 == 0:
+ linewidth = int(self.width/8)
+ else:
+ linewidth = int(self.width/8) + 1
+
+ self.send_command(0x24)
+ for j in range(0, self.height):
+ for i in range(0, linewidth):
+ self.send_data(image[i + j * linewidth])
+
+
+ self.send_command(0x26)
+ for j in range(0, self.height):
+ for i in range(0, linewidth):
+ self.send_data(image[i + j * linewidth])
+ self.TurnOnDisplay()
+
+ def Clear(self, color):
+ if self.width%8 == 0:
+ linewidth = int(self.width/8)
+ else:
+ linewidth = int(self.width/8) + 1
+ # logging.debug(linewidth)
+
+ self.send_command(0x24)
+ for j in range(0, self.height):
+ for i in range(0, linewidth):
+ self.send_data(color)
+ self.TurnOnDisplay()
+
+ def sleep(self):
+ self.send_command(0x10) #enter deep sleep
+ self.send_data(0x01)
+ epdconfig.delay_ms(100)
+
+ epdconfig.module_exit()
+
+### END OF FILE ###
+
+
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