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+# *****************************************************************************
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+# * | File : epd4in2.py
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+# * | Author : Waveshare team
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+# * | Function : Electronic paper driver
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+# * | Info :
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+# *----------------
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+# * | This version: V4.0
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+# * | Date : 2019-06-20
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+# # | Info : python demo
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+# -----------------------------------------------------------------------------
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+# Permission is hereby granted, free of charge, to any person obtaining a copy
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+# of this software and associated documnetation files (the "Software"), to deal
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+# in the Software without restriction, including without limitation the rights
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+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+# copies of the Software, and to permit persons to whom the Software is
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+# furished to do so, subject to the following conditions:
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+#
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+# The above copyright notice and this permission notice shall be included in
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+# all copies or substantial portions of the Software.
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+#
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+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+# THE SOFTWARE.
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+#
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+
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+
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+import logging
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+from . import epdconfig
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+from PIL import Image
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+import RPi.GPIO as GPIO
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+
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+# Display resolution
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+EPD_WIDTH = 400
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+EPD_HEIGHT = 300
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+
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+GRAY1 = 0xff #white
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+GRAY2 = 0xC0
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+GRAY3 = 0x80 #gray
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+GRAY4 = 0x00 #Blackest
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+
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+logger = logging.getLogger(__name__)
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+
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+class EPD:
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+ def __init__(self):
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+ self.reset_pin = epdconfig.RST_PIN
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+ self.dc_pin = epdconfig.DC_PIN
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+ self.busy_pin = epdconfig.BUSY_PIN
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+ self.cs_pin = epdconfig.CS_PIN
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+ self.width = EPD_WIDTH
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+ self.height = EPD_HEIGHT
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+ self.GRAY1 = GRAY1 #white
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+ self.GRAY2 = GRAY2
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+ self.GRAY3 = GRAY3 #gray
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+ self.GRAY4 = GRAY4 #Blackest
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+ self.DATA = [0x00] * 15000
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+
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+ lut_vcom0 = [
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+ 0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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+ 0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00,
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+ ]
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+ lut_ww = [
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+ 0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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+ 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+ lut_bw = [
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+ 0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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+ 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+ lut_wb = [
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+ 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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+ 0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+ lut_bb = [
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+ 0x20, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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+ 0x10, 0x08, 0x08, 0x00, 0x00, 0x02,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+ #******************************partial screen update LUT*********************************/
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+ EPD_4IN2_Partial_lut_vcom1 =[
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+ 0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+
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+ EPD_4IN2_Partial_lut_ww1 =[
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+ 0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+
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+ EPD_4IN2_Partial_lut_bw1 =[
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+ 0x20, 0x01, 0x20, 0x01, 0x00, 0x01,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+
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+ EPD_4IN2_Partial_lut_wb1 =[
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+ 0x10, 0x01, 0x20, 0x01, 0x00, 0x01,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+ ]
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+
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+ EPD_4IN2_Partial_lut_bb1 =[
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+ 0x00, 0x01,0x20, 0x01, 0x00, 0x01,
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+ 0x00, 0x00,0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00,0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00,0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00,0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00,0x00, 0x00, 0x00, 0x00,
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+ 0x00, 0x00,0x00, 0x00, 0x00, 0x00,
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+ ]
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+
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+ #******************************gray*********************************/
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+ #0~3 gray
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+ EPD_4IN2_4Gray_lut_vcom =[
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+ 0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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+ 0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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+ 0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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+ 0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
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+ ]
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+ #R21
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+ EPD_4IN2_4Gray_lut_ww =[
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+ 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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+ 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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+ 0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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+ 0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ ]
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+ #R22H r
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+ EPD_4IN2_4Gray_lut_bw =[
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+ 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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+ 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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+ 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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+ 0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ ]
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+ #R23H w
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+ EPD_4IN2_4Gray_lut_wb =[
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+ 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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+ 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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+ 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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+ 0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ ]
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+ #R24H b
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+ EPD_4IN2_4Gray_lut_bb =[
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+ 0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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+ 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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+ 0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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+ 0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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+ ]
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+
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+ # Hardware reset
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+ def reset(self):
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+ epdconfig.digital_write(self.reset_pin, 1)
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+ epdconfig.delay_ms(10)
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+ epdconfig.digital_write(self.reset_pin, 0)
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+ epdconfig.delay_ms(10)
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+ epdconfig.digital_write(self.reset_pin, 1)
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+ epdconfig.delay_ms(10)
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+ epdconfig.digital_write(self.reset_pin, 0)
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+ epdconfig.delay_ms(10)
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+ epdconfig.digital_write(self.reset_pin, 1)
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+ epdconfig.delay_ms(10)
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+ epdconfig.digital_write(self.reset_pin, 0)
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+ epdconfig.delay_ms(10)
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+ epdconfig.digital_write(self.reset_pin, 1)
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+ epdconfig.delay_ms(10)
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+
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+ def send_command(self, command):
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+ epdconfig.digital_write(self.dc_pin, 0)
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+ epdconfig.digital_write(self.cs_pin, 0)
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+ epdconfig.spi_writebyte([command])
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+ epdconfig.digital_write(self.cs_pin, 1)
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+
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+ def send_data(self, data):
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+ epdconfig.digital_write(self.dc_pin, 1)
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+ epdconfig.digital_write(self.cs_pin, 0)
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+ epdconfig.spi_writebyte([data])
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+ epdconfig.digital_write(self.cs_pin, 1)
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+
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+ def ReadBusy(self):
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+ self.send_command(0x71)
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+ while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
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+ self.send_command(0x71)
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+ epdconfig.delay_ms(100)
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+
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+ def set_lut(self):
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+ self.send_command(0x20) # vcom
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+ for count in range(0, 36):
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+ self.send_data(self.lut_vcom0[count])
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+
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+ self.send_command(0x21) # ww --
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+ for count in range(0, 36):
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+ self.send_data(self.lut_ww[count])
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+
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+ self.send_command(0x22) # bw r
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+ for count in range(0, 36):
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+ self.send_data(self.lut_bw[count])
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+
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+ self.send_command(0x23) # wb w
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+ for count in range(0, 36):
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+ self.send_data(self.lut_bb[count])
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+
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+ self.send_command(0x24) # bb b
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+ for count in range(0, 36):
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+ self.send_data(self.lut_wb[count])
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+
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+
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+ def Partial_SetLut(self):
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+ self.send_command(0x20);
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+ for count in range(0, 44):
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+ self.send_data(self.EPD_4IN2_Partial_lut_vcom1[count])
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+
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+ self.send_command(0x21);
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_Partial_lut_ww1[count])
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+
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+ self.send_command(0x22);
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_Partial_lut_bw1[count])
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+
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+ self.send_command(0x23);
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_Partial_lut_wb1[count])
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+
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+ self.send_command(0x24);
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_Partial_lut_bb1[count])
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+
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+
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+
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+ def Gray_SetLut(self):
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+ self.send_command(0x20) #vcom
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_4Gray_lut_vcom[count])
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+
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+ self.send_command(0x21) #red not use
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
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+
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+ self.send_command(0x22) #bw r
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_4Gray_lut_bw[count])
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+
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+ self.send_command(0x23) #wb w
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+ for count in range(0, 42):
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+ self.send_data(self.EPD_4IN2_4Gray_lut_wb[count])
|
|
|
+
|
|
|
+ self.send_command(0x24) #bb b
|
|
|
+ for count in range(0, 42):
|
|
|
+ self.send_data(self.EPD_4IN2_4Gray_lut_bb[count])
|
|
|
+
|
|
|
+ self.send_command(0x25) #vcom
|
|
|
+ for count in range(0, 42):
|
|
|
+ self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
|
|
|
+
|
|
|
+
|
|
|
+ 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) # VDS_EN, VDG_EN
|
|
|
+ self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
|
|
|
+ self.send_data(0x2b) # VDH
|
|
|
+ self.send_data(0x2b) # VDL
|
|
|
+
|
|
|
+ self.send_command(0x06) # boost soft start
|
|
|
+ self.send_data(0x17)
|
|
|
+ self.send_data(0x17)
|
|
|
+ self.send_data(0x17)
|
|
|
+
|
|
|
+ self.send_command(0x04) # POWER_ON
|
|
|
+ self.ReadBusy()
|
|
|
+
|
|
|
+ self.send_command(0x00) # panel setting
|
|
|
+ self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
|
|
|
+
|
|
|
+ self.send_command(0x30) # PLL setting
|
|
|
+ self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
|
|
|
+
|
|
|
+ self.send_command(0x61) # resolution setting
|
|
|
+ self.send_data(0x01)
|
|
|
+ self.send_data(0x90) # 128
|
|
|
+ self.send_data(0x01)
|
|
|
+ self.send_data(0x2c)
|
|
|
+
|
|
|
+ self.send_command(0x82) # vcom_DC setting
|
|
|
+ self.send_data(0x12)
|
|
|
+
|
|
|
+ self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
|
|
|
+ self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
|
|
|
+
|
|
|
+ self.set_lut()
|
|
|
+ # EPD hardware init end
|
|
|
+ return 0
|
|
|
+
|
|
|
+ def init_Partial(self):
|
|
|
+ if (epdconfig.module_init() != 0):
|
|
|
+ return -1
|
|
|
+ # EPD hardware init start
|
|
|
+ self.reset()
|
|
|
+
|
|
|
+ self.send_command(0x01) # POWER SETTING
|
|
|
+ self.send_data(0x03) # VDS_EN, VDG_EN
|
|
|
+ self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
|
|
|
+ self.send_data(0x2b) # VDH
|
|
|
+ self.send_data(0x2b) # VDL
|
|
|
+
|
|
|
+ self.send_command(0x06) # boost soft start
|
|
|
+ self.send_data(0x17)
|
|
|
+ self.send_data(0x17)
|
|
|
+ self.send_data(0x17)
|
|
|
+
|
|
|
+ self.send_command(0x04) # POWER_ON
|
|
|
+ self.ReadBusy()
|
|
|
+
|
|
|
+ self.send_command(0x00) # panel setting
|
|
|
+ self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
|
|
|
+
|
|
|
+ self.send_command(0x30) # PLL setting
|
|
|
+ self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
|
|
|
+
|
|
|
+ self.send_command(0x61) # resolution setting
|
|
|
+ self.send_data(0x01)
|
|
|
+ self.send_data(0x90) # 128
|
|
|
+ self.send_data(0x01)
|
|
|
+ self.send_data(0x2c)
|
|
|
+
|
|
|
+ self.send_command(0x82) # vcom_DC setting
|
|
|
+ self.send_data(0x12)
|
|
|
+
|
|
|
+ self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
|
|
|
+ self.send_data(0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
|
|
|
+
|
|
|
+ self.Partial_SetLut();
|
|
|
+ # EPD hardware init end
|
|
|
+ return 0
|
|
|
+
|
|
|
+ def Init_4Gray(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) #VGH=20V,VGL=-20V
|
|
|
+ self.send_data (0x2b) #VDH=15V
|
|
|
+ self.send_data (0x2b) #VDL=-15V
|
|
|
+ self.send_data (0x13)
|
|
|
+
|
|
|
+ self.send_command(0x06) #booster 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(0x3f) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
|
|
|
+
|
|
|
+ self.send_command(0x30) #PLL setting
|
|
|
+ self.send_data (0x3c) #100hz
|
|
|
+
|
|
|
+ self.send_command(0x61) #resolution setting
|
|
|
+ self.send_data (0x01) #400
|
|
|
+ self.send_data (0x90)
|
|
|
+ self.send_data (0x01) #300
|
|
|
+ self.send_data (0x2c)
|
|
|
+
|
|
|
+ self.send_command(0x82) #vcom_DC setting
|
|
|
+ self.send_data (0x12)
|
|
|
+
|
|
|
+ self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
|
|
|
+ self.send_data(0x97)
|
|
|
+
|
|
|
+ def getbuffer(self, image):
|
|
|
+ # logger.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()
|
|
|
+ # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
|
|
|
+ if(imwidth == self.width and imheight == self.height):
|
|
|
+ logger.debug("Horizontal")
|
|
|
+ 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):
|
|
|
+ logger.debug("Vertical")
|
|
|
+ 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 getbuffer_4Gray(self, image):
|
|
|
+ # logger.debug("bufsiz = ",int(self.width/8) * self.height)
|
|
|
+ buf = [0xFF] * (int(self.width / 4) * self.height)
|
|
|
+ image_monocolor = image.convert('L')
|
|
|
+ imwidth, imheight = image_monocolor.size
|
|
|
+ pixels = image_monocolor.load()
|
|
|
+ i=0
|
|
|
+ # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
|
|
|
+ if(imwidth == self.width and imheight == self.height):
|
|
|
+ logger.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] == 0xC0):
|
|
|
+ pixels[x, y] = 0x80
|
|
|
+ elif (pixels[x, y] == 0x80):
|
|
|
+ pixels[x, y] = 0x40
|
|
|
+ i= i+1
|
|
|
+ if(i%4 == 0):
|
|
|
+ buf[int((x + (y * self.width))/4)] = ((pixels[x-3, y]&0xc0) | (pixels[x-2, y]&0xc0)>>2 | (pixels[x-1, y]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
|
|
|
+
|
|
|
+ elif(imwidth == self.height and imheight == self.width):
|
|
|
+ logger.debug("Horizontal")
|
|
|
+ for x in range(imwidth):
|
|
|
+ for y in range(imheight):
|
|
|
+ newx = y
|
|
|
+ newy = x
|
|
|
+ if(pixels[x, y] == 0xC0):
|
|
|
+ pixels[x, y] = 0x80
|
|
|
+ elif (pixels[x, y] == 0x80):
|
|
|
+ pixels[x, y] = 0x40
|
|
|
+ i= i+1
|
|
|
+ if(i%4 == 0):
|
|
|
+ buf[int((newx + (newy * self.width))/4)] = ((pixels[x, y-3]&0xc0) | (pixels[x, y-2]&0xc0)>>2 | (pixels[x, y-1]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
|
|
|
+
|
|
|
+ return buf
|
|
|
+
|
|
|
+ def display(self, image):
|
|
|
+ self.send_command(0x92);
|
|
|
+ self.set_lut();
|
|
|
+ self.send_command(0x10)
|
|
|
+ for i in range(0, int(self.width * self.height / 8)):
|
|
|
+ self.send_data(0xFF)
|
|
|
+
|
|
|
+ self.send_command(0x13)
|
|
|
+ for i in range(0, int(self.width * self.height / 8)):
|
|
|
+ self.send_data(image[i])
|
|
|
+
|
|
|
+ self.send_command(0x12)
|
|
|
+ self.ReadBusy()
|
|
|
+
|
|
|
+ def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
|
|
|
+ # EPD_WIDTH = 400
|
|
|
+ # EPD_HEIGHT = 300
|
|
|
+ if(EPD_WIDTH % 8 != 0):
|
|
|
+ Width = int(EPD_WIDTH / 8) + 1;
|
|
|
+ else:
|
|
|
+ Width = int(EPD_WIDTH / 8);
|
|
|
+ Height = EPD_HEIGHT;
|
|
|
+
|
|
|
+ if(X_start % 8 != 0):
|
|
|
+ X_start = int(X_start/8)*8+8
|
|
|
+ if(X_end % 8 != 0):
|
|
|
+ X_end = int(X_end/8)*8+8
|
|
|
+
|
|
|
+
|
|
|
+ self.send_command(0x91); #This command makes the display enter partial mode
|
|
|
+ self.send_command(0x90); #resolution setting
|
|
|
+ self.send_data (int(X_start/256));
|
|
|
+ self.send_data (int(X_start%256)); #x-start
|
|
|
+
|
|
|
+ self.send_data (int(X_end /256));
|
|
|
+ self.send_data (int(X_end %256)-1); #x-end
|
|
|
+
|
|
|
+ self.send_data (int(Y_start/256));
|
|
|
+ self.send_data (int(Y_start%256)); #y-start
|
|
|
+
|
|
|
+
|
|
|
+ self.send_data (int(Y_end/256));
|
|
|
+ self.send_data (int(Y_end%256)-1); #y-end
|
|
|
+ self.send_data (0x28);
|
|
|
+
|
|
|
+ self.send_command(0x10); #writes Old data to SRAM for programming
|
|
|
+ for j in range(0, int(Y_end - Y_start)):
|
|
|
+ for i in range(0, int(X_end/8) - int(X_start/8)):
|
|
|
+ self.send_data(self.DATA[(Y_start + j)*Width + int(X_start/8) + i]);
|
|
|
+
|
|
|
+ self.send_command(0x13); #writes New data to SRAM.
|
|
|
+ for j in range(0, int(Y_end - Y_start)):
|
|
|
+ for i in range(0, int(X_end/8) - int(X_start/8)):
|
|
|
+ self.send_data(~Image[(Y_start + j)*Width + int(X_start/8) + i]);
|
|
|
+ self.DATA[(Y_start + j)*Width + int(X_start/8) + i] = ~Image[(Y_start + j)*Width + int(X_start/8) + i]
|
|
|
+
|
|
|
+ self.send_command(0x12); #DISPLAY REFRESH
|
|
|
+ epdconfig.delay_ms(200) #The delay here is necessary, 200uS at least!!!
|
|
|
+ self.ReadBusy()
|
|
|
+
|
|
|
+
|
|
|
+ def display_4Gray(self, image):
|
|
|
+ self.send_command(0x92);
|
|
|
+ self.set_lut();
|
|
|
+ self.send_command(0x10)
|
|
|
+ for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4
|
|
|
+ temp3=0
|
|
|
+ for j in range(0, 2):
|
|
|
+ temp1 = image[i*2+j]
|
|
|
+ for k in range(0, 2):
|
|
|
+ temp2 = temp1&0xC0
|
|
|
+ if(temp2 == 0xC0):
|
|
|
+ temp3 |= 0x01#white
|
|
|
+ elif(temp2 == 0x00):
|
|
|
+ temp3 |= 0x00 #black
|
|
|
+ elif(temp2 == 0x80):
|
|
|
+ temp3 |= 0x01 #gray1
|
|
|
+ else: #0x40
|
|
|
+ temp3 |= 0x00 #gray2
|
|
|
+ temp3 <<= 1
|
|
|
+
|
|
|
+ temp1 <<= 2
|
|
|
+ temp2 = temp1&0xC0
|
|
|
+ if(temp2 == 0xC0): #white
|
|
|
+ temp3 |= 0x01
|
|
|
+ elif(temp2 == 0x00): #black
|
|
|
+ temp3 |= 0x00
|
|
|
+ elif(temp2 == 0x80):
|
|
|
+ temp3 |= 0x01 #gray1
|
|
|
+ else : #0x40
|
|
|
+ temp3 |= 0x00 #gray2
|
|
|
+ if(j!=1 or k!=1):
|
|
|
+ temp3 <<= 1
|
|
|
+ temp1 <<= 2
|
|
|
+ self.send_data(temp3)
|
|
|
+
|
|
|
+ self.send_command(0x13)
|
|
|
+
|
|
|
+ for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): #5808*4 46464
|
|
|
+ temp3=0
|
|
|
+ for j in range(0, 2):
|
|
|
+ temp1 = image[i*2+j]
|
|
|
+ for k in range(0, 2):
|
|
|
+ temp2 = temp1&0xC0
|
|
|
+ if(temp2 == 0xC0):
|
|
|
+ temp3 |= 0x01#white
|
|
|
+ elif(temp2 == 0x00):
|
|
|
+ temp3 |= 0x00 #black
|
|
|
+ elif(temp2 == 0x80):
|
|
|
+ temp3 |= 0x00 #gray1
|
|
|
+ else: #0x40
|
|
|
+ temp3 |= 0x01 #gray2
|
|
|
+ temp3 <<= 1
|
|
|
+
|
|
|
+ temp1 <<= 2
|
|
|
+ temp2 = temp1&0xC0
|
|
|
+ if(temp2 == 0xC0): #white
|
|
|
+ temp3 |= 0x01
|
|
|
+ elif(temp2 == 0x00): #black
|
|
|
+ temp3 |= 0x00
|
|
|
+ elif(temp2 == 0x80):
|
|
|
+ temp3 |= 0x00 #gray1
|
|
|
+ else: #0x40
|
|
|
+ temp3 |= 0x01 #gray2
|
|
|
+ if(j!=1 or k!=1):
|
|
|
+ temp3 <<= 1
|
|
|
+ temp1 <<= 2
|
|
|
+ self.send_data(temp3)
|
|
|
+
|
|
|
+ self.Gray_SetLut()
|
|
|
+ self.send_command(0x12)
|
|
|
+ epdconfig.delay_ms(200)
|
|
|
+ self.ReadBusy()
|
|
|
+ # pass
|
|
|
+
|
|
|
+ def Clear(self):
|
|
|
+ self.send_command(0x10)
|
|
|
+ for i in range(0, int(self.width * self.height / 8)):
|
|
|
+ self.send_data(0xFF)
|
|
|
+
|
|
|
+ self.send_command(0x13)
|
|
|
+ for i in range(0, int(self.width * self.height / 8)):
|
|
|
+ self.send_data(0xFF)
|
|
|
+
|
|
|
+ self.send_command(0x12)
|
|
|
+ self.ReadBusy()
|
|
|
+
|
|
|
+ def sleep(self):
|
|
|
+ self.send_command(0x02) # POWER_OFF
|
|
|
+ self.ReadBusy()
|
|
|
+ self.send_command(0x07) # DEEP_SLEEP
|
|
|
+ self.send_data(0XA5)
|
|
|
+
|
|
|
+ epdconfig.delay_ms(2000)
|
|
|
+ epdconfig.module_exit()
|
|
|
+
|
|
|
+### END OF FILE ###
|
|
|
+
|