523 lines
18 KiB
Python
523 lines
18 KiB
Python
# *****************************************************************************
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# * | File : Pico_ePaper-2.7_V2.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 : 2022-03-15
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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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LUT_DATA_4Gray = [
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0x40,0x48,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x8,0x48,0x10,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x2,0x48,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x20,0x48,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0xA,0x19,0x0,0x3,0x8,0x0,0x0,
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0x14,0x1,0x0,0x14,0x1,0x0,0x3,
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0xA,0x3,0x0,0x8,0x19,0x0,0x0,
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0x1,0x0,0x0,0x0,0x0,0x0,0x1,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
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0x22,0x17,0x41,0x0,0x32,0x1C,
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]
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class EPD_2in7_V2:
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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.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.LUT_DATA_4Gray = LUT_DATA_4Gray
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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.init()
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self.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 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) == 1): # 1: idle, 0: busy
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self.delay_ms(2)
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self.delay_ms(200)
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print("e-Paper busy release")
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def TurnOnDisplay(self):
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self.send_command(0x22) #Display Update Control
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self.send_data(0xF7)
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self.send_command(0x20) #Activate Display Update Sequence
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self.ReadBusy()
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def TurnOnDisplay_Fast(self):
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self.send_command(0x22) #Display Update Control
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self.send_data(0xC7)
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self.send_command(0x20) #Activate Display Update Sequence
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self.ReadBusy()
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def TurnOnDisplay_Partial(self):
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self.send_command(0x22) #Display Update Control
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self.send_data(0xFF)
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self.send_command(0x20) #Activate Display Update Sequence
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self.ReadBusy()
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def TurnOnDisplay_4GRAY(self):
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self.send_command(0x22) #Display Update Control
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self.send_data(0xC7)
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self.send_command(0x20) #Activate Display Update Sequence
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self.ReadBusy()
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def Lut(self):
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self.send_command(0x32)
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for i in range(159):
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self.send_data(self.LUT_DATA_4Gray[i])
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def init(self):
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# EPD hardware init start
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self.reset()
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self.ReadBusy()
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self.send_command(0x12) #SWRESET
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self.ReadBusy()
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self.send_command(0x45) #set Ram-Y address start/end position
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x07) #0x0107-->(263+1)=264
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self.send_data(0x01)
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self.send_command(0x4F) # set RAM y address count to 0;
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x11) # data entry mode
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self.send_data(0x03)
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return 0
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def init_Fast(self):
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# EPD hardware init start
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self.reset()
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self.ReadBusy()
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self.send_command(0x12) #SWRESET
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self.ReadBusy()
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self.send_command(0x12) #SWRESET
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self.ReadBusy()
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self.send_command(0x18) #Read built-in temperature sensor
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self.send_data(0x80)
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self.send_command(0x22) # Load temperature value
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self.send_data(0xB1)
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self.send_command(0x20)
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self.ReadBusy()
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self.send_command(0x1A) # Write to temperature register
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self.send_data(0x64)
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self.send_data(0x00)
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self.send_command(0x45) #set Ram-Y address start/end position
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x07) #0x0107-->(263+1)=264
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self.send_data(0x01)
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self.send_command(0x4F) # set RAM y address count to 0;
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x11) # data entry mode
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self.send_data(0x03)
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self.send_command(0x22) # Load temperature value
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self.send_data(0x91)
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self.send_command(0x20)
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self.ReadBusy()
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return 0
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def init_4Gray(self):
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self.reset()
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self.send_command(0x12) # soft reset
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self.ReadBusy();
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self.send_command(0x74) #set analog block control
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self.send_data(0x54)
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self.send_command(0x7E) #set digital block control
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self.send_data(0x3B)
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self.send_command(0x01) #Driver output control
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self.send_data(0x07)
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self.send_data(0x01)
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self.send_data(0x00)
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self.send_command(0x11) #data entry mode
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self.send_data(0x03)
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self.send_command(0x44) #set Ram-X address start/end position
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self.send_data(0x00)
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self.send_data(0x15) #0x15-->(21+1)*8=176
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self.send_command(0x45) #set Ram-Y address start/end position
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x07) #0x0107-->(263+1)=264
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self.send_data(0x01)
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self.send_command(0x3C) #BorderWavefrom
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self.send_data(0x00)
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self.send_command(0x2C) #VCOM Voltage
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self.send_data(self.LUT_DATA_4Gray[158]) #0x1C
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self.send_command(0x3F) #EOPQ
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self.send_data(self.LUT_DATA_4Gray[153])
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self.send_command(0x03) #VGH
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self.send_data(self.LUT_DATA_4Gray[154])
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self.send_command(0x04) #
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self.send_data(self.LUT_DATA_4Gray[155]) #VSH1
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self.send_data(self.LUT_DATA_4Gray[156]) #VSH2
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self.send_data(self.LUT_DATA_4Gray[157]) #VSL
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self.Lut() #LUT
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self.send_command(0x4E) # set RAM x address count to 0;
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self.send_data(0x00)
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self.send_command(0x4F) # set RAM y address count to 0X199;
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self.send_data(0x00)
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self.send_data(0x00)
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self.ReadBusy()
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return 0
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def clear(self):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.send_command(0x24)
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self.send_data1([0xff] * Width * Height)
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self.TurnOnDisplay()
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def display(self, image):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.send_command(0x24)
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self.send_data1(image)
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self.TurnOnDisplay()
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def display_Landscape(self, image):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.send_command(0x24)
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for j in range(Height):
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for i in range(Width):
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self.send_data(image[(21-i) * Height + j])
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self.TurnOnDisplay()
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def display_Fast(self, image):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.send_command(0x24)
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self.send_data1(image)
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self.TurnOnDisplay_Fast()
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def display_Base(self, image):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.send_command(0x24) #Write Black and White image to RAM
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self.send_data1(image)
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self.send_command(0x26) #Write Black and White image to RAM
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self.send_data1(image)
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self.TurnOnDisplay()
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def display_Base_color(self, color):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.send_command(0x24) #Write Black and White image to RAM
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self.send_data1([color] * Width * Height)
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self.send_command(0x26) #Write Black and White image to RAM
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self.send_data1([color] * Width * Height)
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# self.TurnOnDisplay()
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def display_Partial(self, image):
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if(self.width % 8 == 0):
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Width = self.width // 8
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else:
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Width = self.width // 8 +1
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Height = self.height
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self.reset()
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self.send_command(0x3C) #BorderWavefrom
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self.send_data(0x80)
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self.send_command(0x24) #Write Black and White image to RAM
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self.send_data1(image)
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self.TurnOnDisplay_Partial()
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def display_4Gray(self, image):
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self.send_command(0x24)
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for i in range(0, 5808): #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&0x03
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if(temp2 == 0x03):
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temp3 |= 0x00 # white
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elif(temp2 == 0x00):
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temp3 |= 0x01 # black
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elif(temp2 == 0x02):
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temp3 |= 0x00 # gray1
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else: # 0x01
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temp3 |= 0x01 # gray2
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temp3 <<= 1
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temp1 >>= 2
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temp2 = temp1&0x03
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if(temp2 == 0x03): # white
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temp3 |= 0x00;
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elif(temp2 == 0x00): # black
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temp3 |= 0x01;
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elif(temp2 == 0x02):
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temp3 |= 0x00 # gray1
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else: # 0x01
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temp3 |= 0x01 # gray2
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if (( j!=1 ) | ( 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(0x26)
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for i in range(0, 5808): #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&0x03
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if(temp2 == 0x03):
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temp3 |= 0x00 # white
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elif(temp2 == 0x00):
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temp3 |= 0x01 # black
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elif(temp2 == 0x02):
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temp3 |= 0x01 # gray1
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else: # 0x01
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temp3 |= 0x00 # gray2
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temp3 <<= 1
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temp1 >>= 2
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temp2 = temp1&0x03
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if(temp2 == 0x03): # white
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temp3 |= 0x00;
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elif(temp2 == 0x00): # black
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temp3 |= 0x01;
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elif(temp2 == 0x02):
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temp3 |= 0x01 # gray1
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else: # 0x01
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temp3 |= 0x00 # gray2
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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_4GRAY()
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def sleep(self):
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self.send_command(0X10)
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self.send_data(0x01)
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if __name__=='__main__':
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epd = EPD_2in7_V2()
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epd.image1Gray_Landscape.fill(0xff)
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epd.image1Gray_Portrait.fill(0xff)
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epd.image4Gray.fill(0xff)
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# You are advised to fill the cache area inside the ink screen first. Otherwise, the office brush may be abnormal
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epd.display_Base_color(0xff)
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epd.image1Gray_Portrait.text("Waveshare", 5, 5, epd.black)
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epd.image1Gray_Portrait.text("Pico_ePaper-2.7", 5, 20, epd.black)
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epd.image1Gray_Portrait.text("Raspberry Pico", 5, 35, epd.black)
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epd.display_Fast(epd.buffer_1Gray_Portrait)
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epd.delay_ms(500)
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epd.image1Gray_Portrait.vline(10, 60, 60, epd.black)
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epd.image1Gray_Portrait.vline(90, 60, 60, epd.black)
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epd.image1Gray_Portrait.hline(10, 60, 80, epd.black)
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epd.image1Gray_Portrait.hline(10, 120, 80, epd.black)
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epd.image1Gray_Portrait.line(10, 60, 90, 120, epd.black)
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epd.image1Gray_Portrait.line(90, 60, 10, 120, epd.black)
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epd.display_Fast(epd.buffer_1Gray_Portrait)
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epd.delay_ms(500)
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epd.image1Gray_Portrait.rect(10, 136, 50, 80, epd.black)
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epd.image1Gray_Portrait.fill_rect(70, 136, 50, 80, epd.black)
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epd.display_Fast(epd.buffer_1Gray_Portrait)
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epd.delay_ms(500)
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for i in range(0, 10):
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epd.image1Gray_Portrait.fill_rect(60, 240, 40, 10, 0xff)
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epd.image1Gray_Portrait.text(str(i), 80, 241, 0x00)
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epd.display_Partial(epd.buffer_1Gray_Portrait)
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epd.init_4Gray()
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epd.image4Gray.fill_rect(0, 0, 175, 68, epd.black)
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epd.image4Gray.text('GRAY1',10, 30, epd.white)
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epd.image4Gray.fill_rect(0, 68, 175, 68, epd.darkgray)
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epd.image4Gray.text('GRAY2',10, 98, epd.grayish)
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epd.image4Gray.fill_rect(0, 136, 175, 68, epd.grayish)
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epd.image4Gray.text('GRAY3',10, 166, epd.darkgray)
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epd.image4Gray.fill_rect(0, 204, 175, 68, epd.white)
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epd.image4Gray.text('GRAY4',10, 234, epd.black)
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epd.display_4Gray(epd.buffer_4Gray)
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epd.delay_ms(500)
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|
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epd.init()
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epd.clear()
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epd.image1Gray_Landscape.text("Waveshare", 5, 5, epd.black)
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epd.image1Gray_Landscape.text("Pico_ePaper-2.7", 5, 20, epd.black)
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epd.image1Gray_Landscape.text("Raspberry Pico", 5, 35, epd.black)
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epd.display_Landscape(epd.buffer_1Gray_Landscape)
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epd.delay_ms(500)
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epd.clear()
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print("Sleep")
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epd.sleep()
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