abstracting display, touch and sd
This commit is contained in:
Adolfo Reyna
405
lib/Pico_ePaper_Code/python/Pico_ePaper-2.9_D.py
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405
lib/Pico_ePaper_Code/python/Pico_ePaper-2.9_D.py
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# *****************************************************************************
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# * | File : Pico_ePaper-2.9-D.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 : 2021-05-14
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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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EPD_2IN9D_lut_vcomDC =[
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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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0x00, 0x00,
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]
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EPD_2IN9D_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_2IN9D_lut_bw =[
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x0F, 0x0F, 0x00, 0x00, 0x03,
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0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0xA0, 0x0E, 0x0E, 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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]
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EPD_2IN9D_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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EPD_2IN9D_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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'''
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# partial screen update LUT
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'''
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EPD_2IN9D_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_2IN9D_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_2IN9D_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_2IN9D_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_2IN9D_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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EPD_WIDTH = 128
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EPD_HEIGHT = 296
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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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FULL_UPDATE = 0
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PART_UPDATE = 1
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class EPD_2IN9_D(framebuf.FrameBuffer):
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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_vcomDC = EPD_2IN9D_lut_vcomDC
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self.lut_ww = EPD_2IN9D_lut_ww
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self.lut_bw = EPD_2IN9D_lut_bw
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self.lut_wb = EPD_2IN9D_lut_wb
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self.lut_bb = EPD_2IN9D_lut_bb
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self.lut_vcom1 = EPD_2IN9D_lut_vcom1
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self.lut_ww1 = EPD_2IN9D_lut_ww1
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self.lut_bw1 = EPD_2IN9D_lut_bw1
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self.lut_wb1 = EPD_2IN9D_lut_wb1
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self.lut_bb1 = EPD_2IN9D_lut_bb1
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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 = bytearray(self.height * self.width // 8)
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super().__init__(self.buffer, self.width, self.height, framebuf.MONO_HLSB)
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self.init()
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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_ms(delaytime)
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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 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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busy = 1
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self.send_command(0x71)
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while(self.digital_read(self.busy_pin) == 0):
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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 SetFullReg(self):
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self.send_command(0x50)
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self.send_data(0xB7)
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self.send_command(0x20)
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self.send_data1(self.lut_vcomDC[0:44])
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self.send_command(0x21)
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self.send_data1(self.lut_ww[0:42])
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self.send_command(0x22)
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self.send_data1(self.lut_bw[0:42])
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self.send_command(0x23)
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self.send_data1(self.lut_bb[0:42])
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self.send_command(0x24)
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self.send_data1(self.lut_wb[0:42])
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def SetPartReg(self):
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self.send_command(0x82)
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self.send_data(0x00)
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self.send_command(0x50)
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self.send_data(0xB7)
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self.send_command(0x20)
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self.send_data1(self.lut_vcom1[0:44])
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self.send_command(0x21)
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self.send_data1(self.lut_ww1[0:42])
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self.send_command(0x22)
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self.send_data1(self.lut_bw1[0:42])
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self.send_command(0x23)
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self.send_data1(self.lut_wb1[0:42])
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self.send_command(0x24)
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self.send_data1(self.lut_bb1[0:42])
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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 init(self):
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print('init')
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self.reset()
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self.send_command(0x01)
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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_data(0x03)
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self.send_command(0x06)
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self.send_data(0x17)
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self.send_data(0x17)
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self.send_data(0x17)
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self.send_command(0x04)
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self.ReadBusy()
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self.send_command(0x00)
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self.send_data(0xBF)
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self.send_data(0x0E)
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self.send_command(0x30)
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self.send_data(0x3A)
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self.send_command(0x61)
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self.send_data(self.width)
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self.send_data((self.height&0x100)>>8)
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self.send_data(self.height&0xff)
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self.send_command(0x82)
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self.send_data(0x28)
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def display(self, image):
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high = self.height
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if( self.width % 8 == 0) :
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wide = self.width // 8
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else :
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wide = self.width // 8 + 1
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self.send_command(0x10)
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self.send_data1([0x00] * high * wide)
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self.send_command(0x13)
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self.send_data1(image)
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self.SetFullReg()
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self.TurnOnDisplay()
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def display_Partial(self, image):
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self.SetPartReg()
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self.send_command(0x91)
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self.send_command(0x90)
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self.send_data(0)
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self.send_data(self.width - 1)
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self.send_data(0)
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self.send_data(0)
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self.send_data(self.height//256)
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self.send_data(self.height%256 - 1)
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self.send_data(0X28)
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high = self.height
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if( self.width % 8 == 0) :
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wide = self.width // 8
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else :
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wide = self.width // 8 + 1
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self.send_command(0x13)
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self.send_data1(image)
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self.TurnOnDisplay()
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def Clear(self, color):
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high = self.height
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if( self.width % 8 == 0) :
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wide = self.width // 8
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else :
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wide = self.width // 8 + 1
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self.send_command(0x10)
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self.send_data1([color] * high * wide)
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self.send_command(0x13)
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self.send_data1([~color] * high * wide)
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self.SetFullReg()
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self.TurnOnDisplay()
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def sleep(self):
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self.send_command(0x50)
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self.send_data(0xF7)
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self.send_command(0x02)
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self.send_command(0x07)
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self.send_data(0xA5)
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if __name__=='__main__':
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epd = EPD_2IN9_D()
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epd.Clear(0x00)
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epd.fill(0xff)
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epd.text("Waveshare", 5, 10, 0x00)
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epd.text("ePaper-2.9-D", 5, 40, 0x00)
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epd.text("Raspberry Pico", 5, 70, 0x00)
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epd.display(epd.buffer)
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epd.delay_ms(2000)
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epd.vline(10, 90, 60, 0x00)
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epd.vline(120, 90, 60, 0x00)
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epd.hline(10, 90, 110, 0x00)
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epd.hline(10, 150, 110, 0x00)
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epd.line(10, 90, 120, 150, 0x00)
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epd.line(120, 90, 10, 150, 0x00)
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epd.display(epd.buffer)
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epd.delay_ms(2000)
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epd.rect(10, 180, 50, 80, 0x00)
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epd.fill_rect(70, 180, 50, 80, 0x00)
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epd.display(epd.buffer)
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epd.delay_ms(2000)
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for i in range(0, 10):
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epd.fill_rect(40, 270, 40, 10, 0xff)
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epd.text(str(i), 60, 270, 0x00)
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epd.display_Partial(epd.buffer)
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epd.Clear(0x00)
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epd.delay_ms(2000)
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epd.sleep()
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