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basic1/lib/Pico_ePaper_Code/python/Pico_ePaper-2.66.py
Adolfo Reyna adfbef7228 abstracting display, touch and sd
2026-01-28 20:12:41 -05:00

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Python
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# *****************************************************************************
# * | File : Pico_ePaper-2.66.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V1.0
# * | Date : 2021-05-12
# # | Info : python demo
# -----------------------------------------------------------------------------
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
from machine import Pin, SPI
import framebuf
import utime
# Display resolution
EPD_WIDTH = 152
EPD_HEIGHT = 296
RST_PIN = 12
DC_PIN = 8
CS_PIN = 9
BUSY_PIN = 13
WF_PARTIAL_2IN66 =[
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x40,0x40,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x0A,0x00,0x00,0x00,0x00,0x00,0x02,0x01,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x22,0x22,0x22,0x22,0x22,0x22,
0x00,0x00,0x00,0x22,0x17,0x41,0xB0,0x32,0x36,
]
class EPD_2in66:
def __init__(self):
self.reset_pin = Pin(RST_PIN, Pin.OUT)
self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
self.cs_pin = Pin(CS_PIN, Pin.OUT)
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
self.lut = WF_PARTIAL_2IN66
self.spi = SPI(1)
self.spi.init(baudrate=4000_000)
self.dc_pin = Pin(DC_PIN, Pin.OUT)
self.buffer_Landscape = bytearray(self.height * self.width // 8)
self.buffer_Portrait = bytearray(self.height * self.width // 8)
self.image_Landscape = framebuf.FrameBuffer(self.buffer_Landscape, self.height, self.width, framebuf.MONO_VLSB)
self.image_Portrait = framebuf.FrameBuffer(self.buffer_Portrait, self.width, self.height, framebuf.MONO_HLSB)
self.init(0)
# Hardware reset
def reset(self):
self.reset_pin(1)
utime.sleep_ms(200)
self.reset_pin(0)
utime.sleep_ms(200)
self.reset_pin(1)
utime.sleep_ms(200)
def send_command(self, command):
self.cs_pin(1)
self.dc_pin(0)
self.cs_pin(0)
self.spi.write(bytearray([command]))
self.cs_pin(1)
def send_data(self, data):
self.cs_pin(1)
self.dc_pin(1)
self.cs_pin(0)
self.spi.write(bytearray([data]))
self.cs_pin(1)
def send_data1(self, buf):
self.cs_pin(1)
self.dc_pin(1)
self.cs_pin(0)
self.spi.write(bytearray(buf))
self.cs_pin(1)
def ReadBusy(self):
print('e-Paper busy')
utime.sleep_ms(100)
while(self.busy_pin.value() == 1): # 0: idle, 1: busy
utime.sleep_ms(100)
print('e-Paper busy release')
utime.sleep_ms(100)
def TurnOnDisplay(self):
self.send_command(0x20)
self.ReadBusy()
def SendLut(self):
self.send_command(0x32)
for i in range(0, 153):
self.send_data(self.lut[i])
self.ReadBusy()
def SetWindow(self, x_start, y_start, x_end, y_end):
self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
# x point must be the multiple of 8 or the last 3 bits will be ignored
self.send_data((x_start>>3) & 0xFF)
self.send_data((x_end>>3) & 0xFF)
self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
self.send_data(y_start & 0xFF)
self.send_data((y_start >> 8) & 0xFF)
self.send_data(y_end & 0xFF)
self.send_data((y_end >> 8) & 0xFF)
def SetCursor(self, x, y):
self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
self.send_data(x & 0xFF)
self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
self.send_data(y & 0xFF)
self.send_data((y >> 8) & 0xFF)
def init(self, mode):
self.reset()
self.send_command(0x12) #SWRESET
self.ReadBusy()
self.send_command(0x11)
self.send_data(0x03)
self.SetWindow(8, 0, self.width, self.height)
if(mode == 0):
self.send_command(0x3c)
self.send_data(0x01)
elif(mode == 1):
self.SendLut()
self.send_command(0x37) # set display option, these setting turn on previous function
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x40)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_command(0x3C)
self.send_data(0x80)
self.send_command(0x22)
self.send_data(0xcf)
self.send_command(0x20)
self.ReadBusy()
else:
print("There is no such mode")
def display(self, image):
if (image == None):
return
self.SetCursor(1, 295)
self.send_command(0x24) # WRITE_RAM
self.send_data1(image)
self.TurnOnDisplay()
def display_Landscape(self, image):
if(self.width % 8 == 0):
Width = self.width // 8
else:
Width = self.width // 8 +1
Height = self.height
self.SetCursor(1, 295)
self.send_command(0x24)
for j in range(Height):
for i in range(Width):
self.send_data(image[(Width-i-1) * Height + j])
self.TurnOnDisplay()
def Clear(self, color):
self.send_command(0x24) # WRITE_RAM
self.send_data1([color] * self.height * int(self.width / 8))
self.TurnOnDisplay()
def sleep(self):
self.send_command(0x10) # DEEP_SLEEP_MODE
self.send_data(0x01)
if __name__=='__main__':
epd = EPD_2in66()
# epd.Clear(0xff)
#
# epd.image_Portrait.fill(0xff)
# epd.image_Portrait.text("Waveshare", 13, 10, 0x00)
# epd.image_Portrait.text("Pico_ePaper-2.66", 13, 40, 0x00)
# epd.image_Portrait.text("Raspberry Pico", 13, 70, 0x00)
# epd.display(epd.buffer_Portrait)
# utime.sleep_ms(2000)
#
# epd.image_Portrait.vline(10, 90, 60, 0x00)
# epd.image_Portrait.vline(140, 90, 60, 0x00)
# epd.image_Portrait.hline(10, 90, 130, 0x00)
# epd.image_Portrait.hline(10, 150, 130, 0x00)
# epd.image_Portrait.line(10, 90, 140, 150, 0x00)
# epd.image_Portrait.line(140, 90, 10, 150, 0x00)
# epd.display(epd.buffer_Portrait)
# utime.sleep_ms(2000)
#
# epd.image_Portrait.rect(10, 180, 60, 80, 0x00)
# epd.image_Portrait.fill_rect(80, 180, 60, 80, 0x00)
# epd.display(epd.buffer_Portrait)
# utime.sleep_ms(2000)
#
# epd.init(1)
# for i in range(0, 10):
# epd.image_Portrait.fill_rect(52, 270, 40, 20, 0xff)
# epd.image_Portrait.text(str(i), 72, 270, 0x00)
# epd.display(epd.buffer_Portrait)
#
# epd.Clear(0xff)
epd.image_Landscape.fill(0xff)
epd.image_Landscape.text("Waveshare", 13, 10, 0x00)
epd.image_Landscape.text("Pico_ePaper-2.66", 13, 40, 0x00)
epd.image_Landscape.text("Raspberry Pico", 13, 70, 0x00)
epd.display_Landscape(epd.buffer_Landscape)
utime.sleep_ms(2000)
epd.init(0)
epd.Clear(0xff)
utime.sleep_ms(2000)
print("sleep")
epd.sleep()
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