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Adolfo Reyna
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Pico_ePaper_Code/python/Pico_ePaper-2.66.py
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276
Pico_ePaper_Code/python/Pico_ePaper-2.66.py
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# *****************************************************************************
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# * | File : Pico_ePaper-2.66.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 : 2021-05-12
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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 = 152
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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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WF_PARTIAL_2IN66 =[
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0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x40,0x40,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x0A,0x00,0x00,0x00,0x00,0x00,0x02,0x01,0x00,0x00,
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0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x22,0x22,0x22,0x22,0x22,0x22,
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0x00,0x00,0x00,0x22,0x17,0x41,0xB0,0x32,0x36,
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]
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class EPD_2in66:
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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 = WF_PARTIAL_2IN66
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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_Landscape = bytearray(self.height * self.width // 8)
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self.buffer_Portrait = bytearray(self.height * self.width // 8)
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self.image_Landscape = framebuf.FrameBuffer(self.buffer_Landscape, self.height, self.width, framebuf.MONO_VLSB)
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self.image_Portrait = framebuf.FrameBuffer(self.buffer_Portrait, self.width, self.height, framebuf.MONO_HLSB)
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self.init(0)
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# Hardware reset
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def reset(self):
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self.reset_pin(1)
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utime.sleep_ms(200)
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self.reset_pin(0)
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utime.sleep_ms(200)
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self.reset_pin(1)
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utime.sleep_ms(200)
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def send_command(self, command):
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self.cs_pin(1)
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self.dc_pin(0)
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self.cs_pin(0)
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self.spi.write(bytearray([command]))
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self.cs_pin(1)
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def send_data(self, data):
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self.cs_pin(1)
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self.dc_pin(1)
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self.cs_pin(0)
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self.spi.write(bytearray([data]))
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self.cs_pin(1)
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def send_data1(self, buf):
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self.cs_pin(1)
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self.dc_pin(1)
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self.cs_pin(0)
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self.spi.write(bytearray(buf))
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self.cs_pin(1)
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def ReadBusy(self):
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print('e-Paper busy')
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utime.sleep_ms(100)
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while(self.busy_pin.value() == 1): # 0: idle, 1: busy
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utime.sleep_ms(100)
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print('e-Paper busy release')
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utime.sleep_ms(100)
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def TurnOnDisplay(self):
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self.send_command(0x20)
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self.ReadBusy()
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def SendLut(self):
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self.send_command(0x32)
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for i in range(0, 153):
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self.send_data(self.lut[i])
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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(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
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# x point must be the multiple of 8 or the last 3 bits will be ignored
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self.send_data((x_start>>3) & 0xFF)
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self.send_data((x_end>>3) & 0xFF)
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self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
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self.send_data(y_start & 0xFF)
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self.send_data((y_start >> 8) & 0xFF)
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self.send_data(y_end & 0xFF)
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self.send_data((y_end >> 8) & 0xFF)
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def SetCursor(self, x, y):
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self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
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self.send_data(x & 0xFF)
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self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
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self.send_data(y & 0xFF)
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self.send_data((y >> 8) & 0xFF)
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def init(self, mode):
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self.reset()
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self.send_command(0x12) #SWRESET
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self.ReadBusy()
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self.send_command(0x11)
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self.send_data(0x03)
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self.SetWindow(8, 0, self.width, self.height)
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if(mode == 0):
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self.send_command(0x3c)
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self.send_data(0x01)
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elif(mode == 1):
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self.SendLut()
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self.send_command(0x37) # set display option, these setting turn on previous function
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x40)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x3C)
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self.send_data(0x80)
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self.send_command(0x22)
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self.send_data(0xcf)
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self.send_command(0x20)
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self.ReadBusy()
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else:
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print("There is no such mode")
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def display(self, image):
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if (image == None):
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return
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self.SetCursor(1, 295)
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self.send_command(0x24) # WRITE_RAM
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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.SetCursor(1, 295)
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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[(Width-i-1) * Height + j])
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self.TurnOnDisplay()
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def Clear(self, color):
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self.send_command(0x24) # WRITE_RAM
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self.send_data1([color] * 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(0x10) # DEEP_SLEEP_MODE
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self.send_data(0x01)
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if __name__=='__main__':
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epd = EPD_2in66()
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# epd.Clear(0xff)
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#
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# epd.image_Portrait.fill(0xff)
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# epd.image_Portrait.text("Waveshare", 13, 10, 0x00)
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# epd.image_Portrait.text("Pico_ePaper-2.66", 13, 40, 0x00)
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# epd.image_Portrait.text("Raspberry Pico", 13, 70, 0x00)
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# epd.display(epd.buffer_Portrait)
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# utime.sleep_ms(2000)
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#
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# epd.image_Portrait.vline(10, 90, 60, 0x00)
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# epd.image_Portrait.vline(140, 90, 60, 0x00)
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# epd.image_Portrait.hline(10, 90, 130, 0x00)
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# epd.image_Portrait.hline(10, 150, 130, 0x00)
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# epd.image_Portrait.line(10, 90, 140, 150, 0x00)
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# epd.image_Portrait.line(140, 90, 10, 150, 0x00)
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# epd.display(epd.buffer_Portrait)
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# utime.sleep_ms(2000)
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#
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# epd.image_Portrait.rect(10, 180, 60, 80, 0x00)
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# epd.image_Portrait.fill_rect(80, 180, 60, 80, 0x00)
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# epd.display(epd.buffer_Portrait)
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# utime.sleep_ms(2000)
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#
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# epd.init(1)
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# for i in range(0, 10):
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# epd.image_Portrait.fill_rect(52, 270, 40, 20, 0xff)
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# epd.image_Portrait.text(str(i), 72, 270, 0x00)
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# epd.display(epd.buffer_Portrait)
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#
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# epd.Clear(0xff)
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epd.image_Landscape.fill(0xff)
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epd.image_Landscape.text("Waveshare", 13, 10, 0x00)
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epd.image_Landscape.text("Pico_ePaper-2.66", 13, 40, 0x00)
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epd.image_Landscape.text("Raspberry Pico", 13, 70, 0x00)
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epd.display_Landscape(epd.buffer_Landscape)
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utime.sleep_ms(2000)
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epd.init(0)
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epd.Clear(0xff)
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utime.sleep_ms(2000)
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print("sleep")
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epd.sleep()
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