646 lines
20 KiB
Python
646 lines
20 KiB
Python
# *****************************************************************************
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# * | File : Pico_ePaper-3.7.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: V1.0
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# * | Date : 2021-06-01
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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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from machine import Pin, SPI
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import framebuf
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import utime
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# Display resolution
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EPD_WIDTH = 400
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EPD_HEIGHT = 300
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RST_PIN = 12
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DC_PIN = 8
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CS_PIN = 9
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BUSY_PIN = 13
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EPD_4IN2_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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EPD_4IN2_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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EPD_4IN2_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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EPD_4IN2_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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EPD_4IN2_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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0x00,0x19,0x01,0x00,0x00,0x01,
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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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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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EPD_4IN2_Partial_lut_ww1 =[
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0x00,0x19,0x01,0x00,0x00,0x01,
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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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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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EPD_4IN2_Partial_lut_bw1 =[
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0x80,0x19,0x01,0x00,0x00,0x01,
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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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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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EPD_4IN2_Partial_lut_wb1 =[
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0x40,0x19,0x01,0x00,0x00,0x01,
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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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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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EPD_4IN2_Partial_lut_bb1 =[
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0x00,0x19,0x01,0x00,0x00,0x01,
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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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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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# ******************************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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class EPD_4in2:
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def __init__(self):
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self.reset_pin = Pin(RST_PIN, Pin.OUT)
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self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
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self.cs_pin = Pin(CS_PIN, Pin.OUT)
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self.width = EPD_WIDTH
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self.height = EPD_HEIGHT
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self.lut_vcom0 = EPD_4IN2_lut_vcom0
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self.lut_ww = EPD_4IN2_lut_ww
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self.lut_bw = EPD_4IN2_lut_bw
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self.lut_wb = EPD_4IN2_lut_wb
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self.lut_bb = EPD_4IN2_lut_bb
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self.lut_Partial_vcom = EPD_4IN2_Partial_lut_vcom1
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self.lut_Partial_ww = EPD_4IN2_Partial_lut_ww1
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self.lut_Partial_bw = EPD_4IN2_Partial_lut_bw1
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self.lut_Partial_wb = EPD_4IN2_Partial_lut_wb1
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self.lut_Partial_bb = EPD_4IN2_Partial_lut_bb1
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self.lut_4Gray_vcom = EPD_4IN2_4Gray_lut_vcom
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self.lut_4Gray_ww = EPD_4IN2_4Gray_lut_ww
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self.lut_4Gray_bw = EPD_4IN2_4Gray_lut_bw
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self.lut_4Gray_wb = EPD_4IN2_4Gray_lut_wb
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self.lut_4Gray_bb = EPD_4IN2_4Gray_lut_bb
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self.black = 0x00
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self.white = 0xff
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self.darkgray = 0xaa
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self.grayish = 0x55
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self.spi = SPI(1)
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self.spi.init(baudrate=4000_000)
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self.dc_pin = Pin(DC_PIN, Pin.OUT)
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self.buffer_1Gray_DATA = [0x00] * (self.height * self.width // 8)
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self.buffer_1Gray = bytearray(self.height * self.width // 8)
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self.buffer_4Gray = bytearray(self.height * self.width // 4)
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self.image1Gray = framebuf.FrameBuffer(self.buffer_1Gray, self.width, self.height, framebuf.MONO_HLSB)
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self.image4Gray = framebuf.FrameBuffer(self.buffer_4Gray, self.width, self.height, framebuf.GS2_HMSB)
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self.EPD_4IN2_Init_4Gray()
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self.EPD_4IN2_Clear()
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utime.sleep_ms(500)
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def digital_write(self, pin, value):
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pin.value(value)
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def digital_read(self, pin):
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return pin.value()
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def delay_ms(self, delaytime):
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utime.sleep(delaytime / 1000.0)
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def spi_writebyte(self, data):
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self.spi.write(bytearray(data))
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def module_exit(self):
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self.digital_write(self.reset_pin, 0)
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# Hardware reset
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def reset(self):
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(20)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(2)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(20)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(2)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(20)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(2)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(20)
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def send_command(self, command):
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self.digital_write(self.dc_pin, 0)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([command])
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self.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([data])
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self.digital_write(self.cs_pin, 1)
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def send_data1(self, buf):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi.write(bytearray(buf))
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self.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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print("e-Paper busy")
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while(self.digital_read(self.busy_pin) == 0): # LOW: idle, HIGH: busy
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self.send_command(0x71)
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self.delay_ms(100)
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print("e-Paper busy release")
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def TurnOnDisplay(self):
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self.send_command(0x12)
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self.delay_ms(100)
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self.ReadBusy()
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def EPD_4IN2_SetLut(self):
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self.send_command(0x20)
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self.send_data1(self.lut_vcom0[0:36])
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self.send_command(0x21)
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self.send_data1(self.lut_ww[0:36])
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self.send_command(0x22)
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self.send_data1(self.lut_bw[0:36])
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self.send_command(0x23)
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self.send_data1(self.lut_wb[0:36])
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self.send_command(0x24)
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self.send_data1(self.lut_bb[0:36])
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def EPD_4IN2_Partial_SetLut(self):
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self.send_command(0x20)
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self.send_data1(self.lut_Partial_vcom[0:44])
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self.send_command(0x21)
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self.send_data1(self.lut_Partial_ww[0:42])
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self.send_command(0x22)
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self.send_data1(self.lut_Partial_bw[0:42])
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self.send_command(0x23)
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self.send_data1(self.lut_Partial_wb[0:42])
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self.send_command(0x24)
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self.send_data1(self.lut_Partial_bb[0:42])
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def EPD_4IN2_4Gray_lut(self):
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self.send_command(0x20)
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self.send_data1(self.lut_4Gray_vcom[0:42])
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self.send_command(0x21)
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self.send_data1(self.lut_4Gray_ww[0:42])
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self.send_command(0x22)
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self.send_data1(self.lut_4Gray_bw[0:42])
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self.send_command(0x23)
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self.send_data1(self.lut_4Gray_wb[0:42])
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self.send_command(0x24)
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self.send_data1(self.lut_4Gray_bb[0:42])
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self.send_command(0x25)
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self.send_data1(self.lut_4Gray_ww[0:42])
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def EPD_4IN2_Init(self):
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self.reset()
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self.send_command(0x01) # POWER SETTING
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self.send_data(0x03)
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self.send_data(0x00)
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self.send_data(0x2b)
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self.send_data(0x2b)
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self.send_command(0x06) # boost soft start
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self.send_data(0x17) # A
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self.send_data(0x17) # B
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self.send_data(0x17) # C
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self.send_command(0x04) # POWER_ON
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self.ReadBusy()
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self.send_command(0x00) # panel setting
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self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f BWOTP 1f
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self.send_data(0x0d)
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self.send_command(0x30) # PLL setting
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self.send_data(0x3C) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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self.send_command(0x61) # resolution setting
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self.send_data(0x01)
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self.send_data(0x90) # 128
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self.send_data(0x01)
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self.send_data(0x2c)
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self.send_command(0x82) # vcom_DC setting
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self.send_data(0x28)
|
|
|
|
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.EPD_4IN2_SetLut()
|
|
|
|
def EPD_4IN2_Init_4Gray(self):
|
|
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)
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|
|
|
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
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|
|
|
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 EPD_4IN2_Clear(self):
|
|
high = self.height
|
|
if( self.width % 8 == 0) :
|
|
wide = self.width // 8
|
|
else :
|
|
wide = self.width // 8 + 1
|
|
|
|
self.send_command(0x10)
|
|
for i in range(0, wide):
|
|
self.send_data1([0xff] * high)
|
|
|
|
self.send_command(0x13)
|
|
for i in range(0, wide):
|
|
self.send_data1([0xff] * high)
|
|
|
|
self.send_command(0x12)
|
|
self.delay_ms(10)
|
|
self.TurnOnDisplay()
|
|
|
|
def EPD_4IN2_Display(self,Image):
|
|
self.send_command(0x13)
|
|
self.send_data1(Image)
|
|
|
|
self.TurnOnDisplay()
|
|
|
|
def EPD_4IN2_PartialDisplay(self,X_start,Y_start,X_wide,Y_high,Image):
|
|
high = self.height
|
|
if( self.width % 8 == 0) :
|
|
wide = self.width // 8
|
|
else :
|
|
wide = self.width // 8 + 1
|
|
|
|
if( X_start % 8 != 0) :
|
|
X_start = X_start // 8 * 8 + 8
|
|
|
|
if( X_wide % 8 != 0) :
|
|
X_wide = X_wide // 8 * 8 +8
|
|
|
|
X_end = X_start + X_wide
|
|
Y_end = Y_start + Y_high
|
|
|
|
self.send_command(0X50);
|
|
self.send_data(0xf7);
|
|
self.delay_ms(100);
|
|
|
|
self.send_command(0x82) # vcom_DC setting
|
|
self.send_data (0x08)
|
|
self.send_command(0X50)
|
|
self.send_data(0x47)
|
|
self.EPD_4IN2_Partial_SetLut()
|
|
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 (Y_start%256) # y-start
|
|
|
|
self.send_data (int(Y_end/256))
|
|
self.send_data (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, Y_high):
|
|
for i in range(0, int(X_wide/8)):
|
|
self.send_data(self.buffer_1Gray_DATA[(Y_start + j)*wide + int(X_start/8) + i]);
|
|
|
|
self.send_command(0x13); #writes New data to SRAM.
|
|
for j in range(0, Y_high):
|
|
for i in range(0, int(X_wide/8)):
|
|
self.send_data(~Image[(Y_start + j)*wide + int(X_start/8) + i]);
|
|
self.buffer_1Gray_DATA[(Y_start + j)*wide + int(X_start/8) + i] = ~Image[(Y_start + j)*wide + int(X_start/8) + i]
|
|
|
|
self.send_command(0x12) # DISPLAY REFRESH
|
|
self.delay_ms(10) # The delay here is necessary, 200uS at least!!!
|
|
self.TurnOnDisplay()
|
|
|
|
def EPD_4IN2_4GrayDisplay(self,Image):
|
|
self.send_command(0x10)
|
|
for i in range(0, 15000):
|
|
temp3=0
|
|
for j in range(0, 2):
|
|
temp1 = Image[i*2+j]
|
|
for k in range(0, 2):
|
|
temp2 = temp1&0x03
|
|
if(temp2 == 0x03):
|
|
temp3 |= 0x01 # white
|
|
elif(temp2 == 0x00):
|
|
temp3 |= 0x00 # black
|
|
elif(temp2 == 0x02):
|
|
temp3 |= 0x00 # gray1
|
|
else: # 0x01
|
|
temp3 |= 0x01 # gray2
|
|
temp3 <<= 1
|
|
|
|
temp1 >>= 2
|
|
temp2 = temp1&0x03
|
|
if(temp2 == 0x03): # white
|
|
temp3 |= 0x01;
|
|
elif(temp2 == 0x00): # black
|
|
temp3 |= 0x00;
|
|
elif(temp2 == 0x02):
|
|
temp3 |= 0x00 # gray1
|
|
else: # 0x01
|
|
temp3 |= 0x01 # gray2
|
|
|
|
if (( j!=1 ) | ( k!=1 )):
|
|
temp3 <<= 1
|
|
|
|
temp1 >>= 2
|
|
|
|
self.send_data(temp3)
|
|
|
|
self.send_command(0x13)
|
|
for i in range(0, 15000):
|
|
temp3=0
|
|
for j in range(0, 2):
|
|
temp1 = Image[i*2+j]
|
|
for k in range(0, 2):
|
|
temp2 = temp1&0x03
|
|
if(temp2 == 0x03):
|
|
temp3 |= 0x01 # white
|
|
elif(temp2 == 0x00):
|
|
temp3 |= 0x00 # black
|
|
elif(temp2 == 0x02):
|
|
temp3 |= 0x01 # gray1
|
|
else: # 0x01
|
|
temp3 |= 0x00 # gray2
|
|
temp3 <<= 1
|
|
|
|
temp1 >>= 2
|
|
temp2 = temp1&0x03
|
|
if(temp2 == 0x03): # white
|
|
temp3 |= 0x01;
|
|
elif(temp2 == 0x00): # black
|
|
temp3 |= 0x00;
|
|
elif(temp2 == 0x02):
|
|
temp3 |= 0x01 # gray1
|
|
else: # 0x01
|
|
temp3 |= 0x00 # gray2
|
|
|
|
if (( j!=1 ) | ( k!=1 )):
|
|
temp3 <<= 1
|
|
|
|
temp1 >>= 2
|
|
|
|
self.send_data(temp3)
|
|
|
|
self.EPD_4IN2_4Gray_lut()
|
|
self.TurnOnDisplay()
|
|
|
|
def Sleep(self):
|
|
# self.send_command(0X02) # power off
|
|
# self.ReadBusy()
|
|
self.send_command(0X07) # deep sleep
|
|
self.send_data(0xA5)
|
|
|
|
if __name__=='__main__':
|
|
|
|
epd = EPD_4in2()
|
|
|
|
epd.image1Gray.fill(0xff)
|
|
epd.image4Gray.fill(0xff)
|
|
|
|
epd.image4Gray.text("Waveshare", 5, 10, epd.black)
|
|
epd.image4Gray.text("Pico_ePaper-4.2", 5, 40, epd.black)
|
|
epd.image4Gray.text("Raspberry Pico", 5, 70, epd.black)
|
|
epd.EPD_4IN2_4GrayDisplay(epd.buffer_4Gray)
|
|
epd.delay_ms(500)
|
|
|
|
epd.image4Gray.vline(10, 90, 60, epd.black)
|
|
epd.image4Gray.vline(90, 90, 60, epd.black)
|
|
epd.image4Gray.hline(10, 90, 80, epd.black)
|
|
epd.image4Gray.hline(10, 150, 80, epd.black)
|
|
epd.image4Gray.line(10, 90, 90, 150, epd.black)
|
|
epd.image4Gray.line(90, 90, 10, 150, epd.black)
|
|
epd.EPD_4IN2_4GrayDisplay(epd.buffer_4Gray)
|
|
epd.delay_ms(500)
|
|
|
|
epd.image4Gray.rect(10, 180, 50, 80, epd.black)
|
|
epd.image4Gray.fill_rect(70, 180, 50, 80, epd.black)
|
|
epd.EPD_4IN2_4GrayDisplay(epd.buffer_4Gray)
|
|
epd.delay_ms(500)
|
|
|
|
epd.image4Gray.fill_rect(150, 10, 250, 30, epd.black)
|
|
epd.image4Gray.text('GRAY1 with black background',155, 21, epd.white)
|
|
epd.image4Gray.text('GRAY2 with white background',155, 51, epd.grayish)
|
|
epd.image4Gray.text('GRAY3 with white background',155, 81, epd.darkgray)
|
|
epd.image4Gray.text('GRAY4 with white background',155, 111, epd.black)
|
|
epd.EPD_4IN2_4GrayDisplay(epd.buffer_4Gray)
|
|
epd.delay_ms(500)
|
|
|
|
# print("Support for partial refresh, but the refresh effect is not good, but it is not recommended\r\n")
|
|
# print("Partial refresh\r\n")
|
|
# epd.EPD_4IN2_Init()
|
|
# for i in range(0, 10):
|
|
# print(str(i))
|
|
# epd.image1Gray.fill_rect(0, 200, 10, 10, epd.white)
|
|
# epd.image1Gray.text(str(i), 2, 201, epd.black)
|
|
# epd.EPD_4IN2_PartialDisplay(0, 200, 10, 10, epd.buffer_1Gray)
|
|
|
|
epd.EPD_4IN2_Init()
|
|
epd.EPD_4IN2_Clear()
|
|
|
|
|
|
|
|
|
|
epd.Sleep()
|
|
|
|
|
|
|