385 lines
13 KiB
Python
385 lines
13 KiB
Python
# *****************************************************************************
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# * | File : epd5in0.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: V1.1
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# * | Date : 2025-12-03
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# # | Info : python demo
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# -----------------------------------------------------------------------------
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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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import logging
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from . import epdconfig
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import PIL
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import time
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from PIL import Image
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import io
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# Display resolution
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EPD_WIDTH = 648
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EPD_HEIGHT = 480
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GRAY1 = 0xff #white
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GRAY2 = 0xC0
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GRAY3 = 0x80 #gray
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GRAY4 = 0x00 #Blackest
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logger = logging.getLogger(__name__)
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class EPD:
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def __init__(self):
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self.reset_pin = epdconfig.RST_PIN
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self.dc_pin = epdconfig.DC_PIN
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self.busy_pin = epdconfig.BUSY_PIN
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self.cs_pin = epdconfig.CS_PIN
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self.width = EPD_WIDTH
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self.height = EPD_HEIGHT
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self.GRAY1 = GRAY1 #white
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self.GRAY2 = GRAY2
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self.GRAY3 = GRAY3 #gray
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self.GRAY4 = GRAY4 #Blackest
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# Hardware reset
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def reset(self):
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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epdconfig.digital_write(self.reset_pin, 0) # module reset
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epdconfig.delay_ms(2)
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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def send_command(self, command):
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epdconfig.digital_write(self.dc_pin, 0)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([command])
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epdconfig.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([data])
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epdconfig.digital_write(self.cs_pin, 1)
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# send a lot of data
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def send_data2(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte2(data)
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epdconfig.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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logger.debug("e-Paper busy H")
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while(epdconfig.digital_read(self.busy_pin) == 0):
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epdconfig.delay_ms(10)
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logger.debug("e-Paper busy H release")
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def TurnOnDisplay(self):
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self.send_command(0x12)
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epdconfig.delay_ms(100)
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self.ReadBusy()
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def SetWindow(self, x_start, y_start, x_end, y_end):
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self.send_command(0x91)
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self.send_command(0x90)
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self.send_data((x_start>>8) & 0xFF)
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self.send_data(x_start & 0xFF)
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self.send_data((x_end>>8) & 0xFF)
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self.send_data(x_end & 0xFF)
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self.send_data((y_start >> 8) & 0xFF)
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self.send_data(y_start & 0xFF)
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self.send_data((y_end >> 8) & 0xFF)
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self.send_data(y_end & 0xFF)
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self.send_data(0x01)
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def init(self):
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if (epdconfig.module_init() != 0):
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x00)
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self.send_data(0x1F)
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self.send_command(0x04)
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epdconfig.delay_ms(300)
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self.ReadBusy()
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self.send_command(0x50)
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self.send_data(0x21)
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self.send_data(0x07)
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def init_Fast(self):
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if (epdconfig.module_init() != 0):
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x00)
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self.send_data(0x1F)
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self.send_command(0x50)
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self.send_data(0x29)
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self.send_data(0x07)
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self.send_command(0xE0)
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self.send_data(0x02)
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self.send_command(0xE5)
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self.send_data(0x5A)
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self.send_command(0x04)
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epdconfig.delay_ms(100)
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self.ReadBusy()
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def init_Part(self):
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if (epdconfig.module_init() != 0):
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x00)
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self.send_data(0x1F)
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self.send_command(0xE0)
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self.send_data(0x02)
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self.send_command(0xE5)
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self.send_data(0x6E)
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self.send_command(0x04)
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epdconfig.delay_ms(100)
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self.ReadBusy()
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def init_4GRAY(self):
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if (epdconfig.module_init() != 0):
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x00)
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self.send_data(0x1F)
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self.send_command(0x06)
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self.send_data(0x27)
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self.send_data(0x27)
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self.send_data(0x18)
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self.send_data(0x17)
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self.send_command(0x50)
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self.send_data(0x21)
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self.send_data(0x07)
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self.send_command(0xE0)
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self.send_data(0x02)
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self.send_command(0xE5)
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self.send_data(0x5F)
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self.send_command(0x04)
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epdconfig.delay_ms(100)
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self.ReadBusy()
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def getbuffer(self, image):
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# logger.debug("bufsiz = ",int(self.width/8) * self.height)
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buf = [0xFF] * (int(self.width / 8) * self.height)
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image_monocolor = image.convert('1')
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imwidth, imheight = image_monocolor.size
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pixels = image_monocolor.load()
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# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
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if imwidth == self.width and imheight == self.height:
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logger.debug("Horizontal")
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for y in range(imheight):
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for x in range(imwidth):
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# Set the bits for the column of pixels at the current position.
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if pixels[x, y] == 0:
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buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
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elif imwidth == self.height and imheight == self.width:
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logger.debug("Vertical")
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for y in range(imheight):
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for x in range(imwidth):
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newx = y
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newy = self.height - x - 1
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if pixels[x, y] == 0:
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buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8))
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return buf
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def getbuffer_4Gray(self, image):
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# logger.debug("bufsiz = ",int(self.width/8) * self.height)
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buf = [0xFF] * (int(self.width / 4) * self.height)
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image_monocolor = image.convert('L')
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imwidth, imheight = image_monocolor.size
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pixels = image_monocolor.load()
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i=0
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# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
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if(imwidth == self.width and imheight == self.height):
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logger.debug("Vertical")
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for y in range(imheight):
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for x in range(imwidth):
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# Set the bits for the column of pixels at the current position.
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if(pixels[x, y] == 0xC0):
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pixels[x, y] = 0x80
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elif (pixels[x, y] == 0x80):
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pixels[x, y] = 0x40
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i= i+1
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if(i%4 == 0):
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buf[int((x + (y * self.width))/4)] = ((pixels[x-3, y]&0xc0) | (pixels[x-2, y]&0xc0)>>2 | (pixels[x-1, y]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
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elif(imwidth == self.height and imheight == self.width):
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logger.debug("Horizontal")
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for x in range(imwidth):
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for y in range(imheight):
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newx = y
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newy = self.height - x - 1
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if(pixels[x, y] == 0xC0):
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pixels[x, y] = 0x80
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elif (pixels[x, y] == 0x80):
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pixels[x, y] = 0x40
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i= i+1
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if(i%4 == 0):
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buf[int((newx + (newy * self.width))/4)] = ((pixels[x, y-3]&0xc0) | (pixels[x, y-2]&0xc0)>>2 | (pixels[x, y-1]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
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return buf
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def display(self, image):
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self.send_command(0x10)
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self.send_data2(image)
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self.send_command(0x13)
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self.send_data2(image)
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self.TurnOnDisplay()
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def display_Fast(self, image):
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self.send_command(0x10)
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self.send_data2(image)
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self.send_command(0x13)
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self.send_data2(image)
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self.TurnOnDisplay()
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def display_Partial(self, Image):
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self.send_command(0x50)
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self.send_data(0xA9)
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self.send_data(0x07)
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self.SetWindow(0,0, self.width-1, self.height-1)
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self.send_command(0x13)
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self.send_data2(Image)
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self.TurnOnDisplay()
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self.send_command(0x92)
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def display_4Gray(self, image):
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width = self.width // 8
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height = self.height
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IMAGE_COUNTER = width * height
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self.send_command(0x10)
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for i in range(0, IMAGE_COUNTER): #5808*4 46464
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temp3=0
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for j in range(0, 2):
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temp1 = image[i*2+j]
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for k in range(0, 2):
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temp2 = temp1&0xC0
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if(temp2 == 0xC0):
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temp3 |= 0x01
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elif(temp2 == 0x00):
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temp3 |= 0x00
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elif(temp2 == 0x80):
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temp3 |= 0x00
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else: #0x40
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temp3 |= 0x01
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temp3 <<= 1
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temp1 <<= 2
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temp2 = temp1&0xC0
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if(temp2 == 0xC0):
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temp3 |= 0x01
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elif(temp2 == 0x00):
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temp3 |= 0x00
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elif(temp2 == 0x80):
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temp3 |= 0x00
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else : #0x40
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temp3 |= 0x01
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if(j!=1 or k!=1):
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temp3 <<= 1
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temp1 <<= 2
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self.send_data(temp3)
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self.send_command(0x13)
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for i in range(0, IMAGE_COUNTER): #5808*4 46464
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temp3=0
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for j in range(0, 2):
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temp1 = image[i*2+j]
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for k in range(0, 2):
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temp2 = temp1&0xC0
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if(temp2 == 0xC0):
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temp3 |= 0x01
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elif(temp2 == 0x00):
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temp3 |= 0x00
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elif(temp2 == 0x80):
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temp3 |= 0x01
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else: #0x40
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temp3 |= 0x00
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temp3 <<= 1
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temp1 <<= 2
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temp2 = temp1&0xC0
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if(temp2 == 0xC0):
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temp3 |= 0x01
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elif(temp2 == 0x00):
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temp3 |= 0x00
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elif(temp2 == 0x80):
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temp3 |= 0x01
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else: #0x40
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temp3 |= 0x00
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if(j!=1 or k!=1):
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temp3 <<= 1
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temp1 <<= 2
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self.send_data(temp3)
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self.TurnOnDisplay()
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def Clear(self):
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self.send_command(0x10)
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self.send_data2([0xFF] * int(self.height) * int(self.width/8))
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self.send_command(0x13)
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self.send_data2([0xFF] * int(self.height) * int(self.width/8))
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self.TurnOnDisplay()
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def sleep(self):
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self.send_command(0x50) # DEEP_SLEEP
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self.send_data(0XF7)
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self.send_command(0x02) # DEEP_SLEEP
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self.ReadBusy()
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self.send_command(0x07) # DEEP_SLEEP
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self.send_data(0XA5)
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epdconfig.delay_ms(2000)
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epdconfig.module_exit()
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### END OF FILE ###
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