initial commit, display with commands working
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aeroreyna
609
Pico_ePaper_Code/python/Pico-ePaper-2.7.py
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609
Pico_ePaper_Code/python/Pico-ePaper-2.7.py
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# *****************************************************************************
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# * | File : Pico_ePaper-2.7.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 : 2021-06-03
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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 = 176
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EPD_HEIGHT = 264
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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_2in7_lut_vcom_dc = [
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0x00,0x00,
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0x00,0x08,0x00,0x00,0x00,0x02,
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0x60,0x28,0x28,0x00,0x00,0x01,
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0x00,0x14,0x00,0x00,0x00,0x01,
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0x00,0x12,0x12,0x00,0x00,0x01,
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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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EPD_2in7_lut_ww = [
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0x40,0x08,0x00,0x00,0x00,0x02,
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0x90,0x28,0x28,0x00,0x00,0x01,
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0x40,0x14,0x00,0x00,0x00,0x01,
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0xA0,0x12,0x12,0x00,0x00,0x01,
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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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EPD_2in7_lut_bw = [
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0x40,0x08,0x00,0x00,0x00,0x02,
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0x90,0x28,0x28,0x00,0x00,0x01,
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0x40,0x14,0x00,0x00,0x00,0x01,
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0xA0,0x12,0x12,0x00,0x00,0x01,
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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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EPD_2in7_lut_bb = [
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0x80,0x08,0x00,0x00,0x00,0x02,
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0x90,0x28,0x28,0x00,0x00,0x01,
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0x80,0x14,0x00,0x00,0x00,0x01,
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0x50,0x12,0x12,0x00,0x00,0x01,
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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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EPD_2in7_lut_wb = [
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0x80,0x08,0x00,0x00,0x00,0x02,
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0x90,0x28,0x28,0x00,0x00,0x01,
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0x80,0x14,0x00,0x00,0x00,0x01,
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0x50,0x12,0x12,0x00,0x00,0x01,
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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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# # # # # # # # # # # # # # # # # # # full screen update LUT# # # # # # # # # # # # # # # # # # # # # #
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# 0~3 gray
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EPD_2in7_gray_lut_vcom =[
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0x00,0x00,
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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_2in7_gray_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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# R22Hr
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EPD_2in7_gray_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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# R23Hw
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EPD_2in7_gray_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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# R24Hb
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EPD_2in7_gray_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_2in7:
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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_vcom_dc = EPD_2in7_lut_vcom_dc
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self.lut_ww = EPD_2in7_lut_ww
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self.lut_bw = EPD_2in7_lut_bw
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self.lut_bb = EPD_2in7_lut_bb
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self.lut_wb = EPD_2in7_lut_wb
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self.gray_lut_vcom = EPD_2in7_gray_lut_vcom
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self.gray_lut_ww = EPD_2in7_gray_lut_ww
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self.gray_lut_bw = EPD_2in7_gray_lut_bw
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self.gray_lut_wb = EPD_2in7_gray_lut_wb
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self.gray_lut_bb = EPD_2in7_gray_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_Landscape = bytearray(self.height * self.width // 8)
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self.buffer_1Gray_Portrait = 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_Landscape = framebuf.FrameBuffer(self.buffer_1Gray_Landscape, self.height, self.width, framebuf.MONO_VLSB)
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self.image1Gray_Portrait = framebuf.FrameBuffer(self.buffer_1Gray_Portrait, 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_2IN7_Init_4Gray()
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self.EPD_2IN7_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(200)
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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(200)
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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 ReadBusy(self):
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print("e-Paper busy")
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while(self.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
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self.send_command(0x71)
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self.delay_ms(200)
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print("e-Paper busy release")
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def 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.lut_vcom_dc[count])
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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.lut_ww[count])
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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.lut_bw[count])
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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.lut_bb[count])
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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.lut_wb[count])
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def gray_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.gray_lut_vcom[count])
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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.gray_lut_ww[count])
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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.gray_lut_bw[count])
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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.gray_lut_wb[count])
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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.gray_lut_bb[count])
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self.send_command(0x25)
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for count in range(0, 42):
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self.send_data(self.gray_lut_ww[count])
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def EPD_2IN7_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) # VDS_EN, VDG_EN
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self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
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self.send_data(0x2b) # VDH
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self.send_data(0x2b) # VDL
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self.send_data(0x09) # VDHR
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self.send_command(0x06) # BOOSTER_SOFT_START
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self.send_data(0x07)
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self.send_data(0x07)
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self.send_data(0x17)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x60)
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self.send_data(0xA5)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x89)
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self.send_data(0xA5)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x90)
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self.send_data(0x00)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x93)
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self.send_data(0x2A)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0xA0)
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self.send_data(0xA5)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0xA1)
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self.send_data(0x00)
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# Power optimization
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self.send_command(0xF8)
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self.send_data(0x73)
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self.send_data(0x41)
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self.send_command(0x16) # PARTIAL_DISPLAY_REFRESH
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self.send_data(0x00)
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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(0xAF) # KW-BF KWR-AF BWROTP 0f
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self.send_command(0x30) # PLL_CONTROL
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self.send_data(0x3A) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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self.send_command(0x82) # VCM_DC_SETTING_REGISTER
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self.send_data(0x12)
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self.SetLut()
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def EPD_2IN7_Init_4Gray(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) # booster soft start
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self.send_data (0x07) # A
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self.send_data (0x07) # B
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self.send_data (0x17) # C
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self.send_command(0xF8) # boost??
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self.send_data (0x60)
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self.send_data (0xA5)
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self.send_command(0xF8) # boost??
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self.send_data (0x89)
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self.send_data (0xA5)
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self.send_command(0xF8) # boost??
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self.send_data (0x90)
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self.send_data (0x00)
|
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|
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self.send_command(0xF8) # boost??
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self.send_data (0x93)
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self.send_data (0x2A)
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|
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self.send_command(0xF8) # boost??
|
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self.send_data (0xa0)
|
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self.send_data (0xa5)
|
||||
|
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self.send_command(0xF8) # boost??
|
||||
self.send_data (0xa1)
|
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self.send_data (0x00)
|
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|
||||
self.send_command(0xF8) # boost??
|
||||
self.send_data (0x73)
|
||||
self.send_data (0x41)
|
||||
|
||||
self.send_command(0x16)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x04)
|
||||
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 (0x90) # 100hz
|
||||
|
||||
self.send_command(0x61) # resolution setting
|
||||
self.send_data (0x00) # 176
|
||||
self.send_data (0xb0)
|
||||
self.send_data (0x01) # 264
|
||||
self.send_data (0x08)
|
||||
|
||||
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_2IN7_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 j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(0xff)
|
||||
|
||||
self.send_command(0x13)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(0xff)
|
||||
|
||||
|
||||
self.send_command(0x12)
|
||||
self.ReadBusy()
|
||||
|
||||
def EPD_2IN7_Display_Portrait(self,Image):
|
||||
high = self.height
|
||||
if( self.width % 8 == 0) :
|
||||
wide = self.width // 8
|
||||
else :
|
||||
wide = self.width // 8 + 1
|
||||
|
||||
self.send_command(0x10)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(0xff)
|
||||
|
||||
self.send_command(0x13)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(Image[i + j * wide])
|
||||
|
||||
|
||||
def EPD_2IN7_Display_Landscape(self,Image):
|
||||
high = self.height
|
||||
if( self.width % 8 == 0) :
|
||||
wide = self.width // 8
|
||||
else :
|
||||
wide = self.width // 8 + 1
|
||||
|
||||
self.send_command(0x10)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(0xff)
|
||||
|
||||
self.send_command(0x13)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(Image[(21-i) * high + j])
|
||||
|
||||
|
||||
self.send_command(0x12)
|
||||
self.ReadBusy()
|
||||
|
||||
def EPD_2IN7_4Gray_Display(self,Image):
|
||||
|
||||
self.send_command(0x10)
|
||||
for i in range(0, 5808):
|
||||
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, 5808):
|
||||
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.gray_SetLut()
|
||||
|
||||
self.send_command(0x12)
|
||||
self.delay_ms(500)
|
||||
|
||||
self.ReadBusy()
|
||||
|
||||
|
||||
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)
|
||||
|
||||
if __name__=='__main__':
|
||||
|
||||
epd = EPD_2in7()
|
||||
|
||||
epd.image1Gray_Landscape.fill(0xff)
|
||||
epd.image1Gray_Portrait.fill(0xff)
|
||||
epd.image4Gray.fill(0xff)
|
||||
|
||||
epd.image4Gray.text("Waveshare", 5, 5, epd.black)
|
||||
epd.image4Gray.text("Pico_ePaper-2.7", 5, 20, epd.black)
|
||||
epd.image4Gray.text("Raspberry Pico", 5, 35, epd.black)
|
||||
epd.EPD_2IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image4Gray.vline(10, 60, 60, epd.black)
|
||||
epd.image4Gray.vline(90, 60, 60, epd.black)
|
||||
epd.image4Gray.hline(10, 60, 80, epd.black)
|
||||
epd.image4Gray.hline(10, 120, 80, epd.black)
|
||||
epd.image4Gray.line(10, 60, 90, 120, epd.black)
|
||||
epd.image4Gray.line(90, 60, 10, 120, epd.black)
|
||||
epd.EPD_2IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image4Gray.rect(10, 136, 50, 80, epd.black)
|
||||
epd.image4Gray.fill_rect(70, 136, 50, 80, epd.black)
|
||||
epd.EPD_2IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image4Gray.fill_rect(0, 232, 88, 16, epd.black)
|
||||
epd.image4Gray.text('GRAY1',24, 236, epd.white)
|
||||
epd.image4Gray.text('GRAY2',24, 252, epd.grayish)
|
||||
epd.image4Gray.text('GRAY3',112, 236, epd.darkgray)
|
||||
epd.image4Gray.text('GRAY4',112, 252, epd.black)
|
||||
epd.EPD_2IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
|
||||
|
||||
epd.EPD_2IN7_Init()
|
||||
epd.EPD_2IN7_Clear()
|
||||
epd.image1Gray_Landscape.text("Waveshare", 5, 5, epd.black)
|
||||
epd.image1Gray_Landscape.text("Pico_ePaper-2.7", 5, 20, epd.black)
|
||||
epd.image1Gray_Landscape.text("Raspberry Pico", 5, 35, epd.black)
|
||||
epd.EPD_2IN7_Display_Landscape(epd.buffer_1Gray_Landscape)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.EPD_2IN7_Clear()
|
||||
print("Sleep")
|
||||
epd.Sleep()
|
||||
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user