single repo
This commit is contained in:
Adolfo Reyna
522
Pico_ePaper_Code/python/Pico-ePaper-2.7_V2.py
Normal file
522
Pico_ePaper_Code/python/Pico-ePaper-2.7_V2.py
Normal file
@@ -0,0 +1,522 @@
|
||||
# *****************************************************************************
|
||||
# * | File : Pico_ePaper-2.7_V2.py
|
||||
# * | Author : Waveshare team
|
||||
# * | Function : Electronic paper driver
|
||||
# * | Info :
|
||||
# *----------------
|
||||
# * | This version: V1.0
|
||||
# * | Date : 2022-03-15
|
||||
# # | 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 = 176
|
||||
EPD_HEIGHT = 264
|
||||
|
||||
RST_PIN = 12
|
||||
DC_PIN = 8
|
||||
CS_PIN = 9
|
||||
BUSY_PIN = 13
|
||||
|
||||
LUT_DATA_4Gray = [
|
||||
0x40,0x48,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x8,0x48,0x10,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x2,0x48,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x20,0x48,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0xA,0x19,0x0,0x3,0x8,0x0,0x0,
|
||||
0x14,0x1,0x0,0x14,0x1,0x0,0x3,
|
||||
0xA,0x3,0x0,0x8,0x19,0x0,0x0,
|
||||
0x1,0x0,0x0,0x0,0x0,0x0,0x1,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
|
||||
0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
|
||||
0x22,0x17,0x41,0x0,0x32,0x1C,
|
||||
]
|
||||
|
||||
|
||||
class EPD_2in7_V2:
|
||||
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.black = 0x00
|
||||
self.white = 0xff
|
||||
self.darkgray = 0xaa
|
||||
self.grayish = 0x55
|
||||
|
||||
self.LUT_DATA_4Gray = LUT_DATA_4Gray
|
||||
|
||||
self.spi = SPI(1)
|
||||
self.spi.init(baudrate=4000_000)
|
||||
self.dc_pin = Pin(DC_PIN, Pin.OUT)
|
||||
|
||||
self.buffer_1Gray_Landscape = bytearray(self.height * self.width // 8)
|
||||
self.buffer_1Gray_Portrait = bytearray(self.height * self.width // 8)
|
||||
self.buffer_4Gray = bytearray(self.height * self.width // 4)
|
||||
|
||||
self.image1Gray_Landscape = framebuf.FrameBuffer(self.buffer_1Gray_Landscape, self.height, self.width, framebuf.MONO_VLSB)
|
||||
self.image1Gray_Portrait = framebuf.FrameBuffer(self.buffer_1Gray_Portrait, self.width, self.height, framebuf.MONO_HLSB)
|
||||
self.image4Gray = framebuf.FrameBuffer(self.buffer_4Gray, self.width, self.height, framebuf.GS2_HMSB)
|
||||
|
||||
self.init()
|
||||
self.clear()
|
||||
utime.sleep_ms(500)
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
pin.value(value)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return pin.value()
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
utime.sleep(delaytime / 1000.0)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.spi.write(bytearray(data))
|
||||
|
||||
def module_exit(self):
|
||||
self.digital_write(self.reset_pin, 0)
|
||||
|
||||
# Hardware reset
|
||||
def reset(self):
|
||||
self.digital_write(self.reset_pin, 1)
|
||||
self.delay_ms(200)
|
||||
self.digital_write(self.reset_pin, 0)
|
||||
self.delay_ms(2)
|
||||
self.digital_write(self.reset_pin, 1)
|
||||
self.delay_ms(200)
|
||||
|
||||
def send_command(self, command):
|
||||
self.digital_write(self.dc_pin, 0)
|
||||
self.digital_write(self.cs_pin, 0)
|
||||
self.spi_writebyte([command])
|
||||
self.digital_write(self.cs_pin, 1)
|
||||
|
||||
def send_data(self, data):
|
||||
self.digital_write(self.dc_pin, 1)
|
||||
self.digital_write(self.cs_pin, 0)
|
||||
self.spi_writebyte([data])
|
||||
self.digital_write(self.cs_pin, 1)
|
||||
|
||||
def send_data1(self, buf):
|
||||
self.digital_write(self.dc_pin, 1)
|
||||
self.digital_write(self.cs_pin, 0)
|
||||
self.spi.write(bytearray(buf))
|
||||
self.digital_write(self.cs_pin, 1)
|
||||
|
||||
def ReadBusy(self):
|
||||
print("e-Paper busy")
|
||||
while(self.digital_read(self.busy_pin) == 1): # 1: idle, 0: busy
|
||||
self.delay_ms(2)
|
||||
self.delay_ms(200)
|
||||
print("e-Paper busy release")
|
||||
|
||||
def TurnOnDisplay(self):
|
||||
self.send_command(0x22) #Display Update Control
|
||||
self.send_data(0xF7)
|
||||
self.send_command(0x20) #Activate Display Update Sequence
|
||||
self.ReadBusy()
|
||||
|
||||
def TurnOnDisplay_Fast(self):
|
||||
self.send_command(0x22) #Display Update Control
|
||||
self.send_data(0xC7)
|
||||
self.send_command(0x20) #Activate Display Update Sequence
|
||||
self.ReadBusy()
|
||||
|
||||
def TurnOnDisplay_Partial(self):
|
||||
self.send_command(0x22) #Display Update Control
|
||||
self.send_data(0xFF)
|
||||
self.send_command(0x20) #Activate Display Update Sequence
|
||||
self.ReadBusy()
|
||||
|
||||
def TurnOnDisplay_4GRAY(self):
|
||||
self.send_command(0x22) #Display Update Control
|
||||
self.send_data(0xC7)
|
||||
self.send_command(0x20) #Activate Display Update Sequence
|
||||
self.ReadBusy()
|
||||
|
||||
|
||||
def Lut(self):
|
||||
self.send_command(0x32)
|
||||
for i in range(159):
|
||||
self.send_data(self.LUT_DATA_4Gray[i])
|
||||
|
||||
def init(self):
|
||||
|
||||
# EPD hardware init start
|
||||
self.reset()
|
||||
self.ReadBusy()
|
||||
|
||||
self.send_command(0x12) #SWRESET
|
||||
self.ReadBusy()
|
||||
|
||||
self.send_command(0x45) #set Ram-Y address start/end position
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x07) #0x0107-->(263+1)=264
|
||||
self.send_data(0x01)
|
||||
|
||||
self.send_command(0x4F) # set RAM y address count to 0;
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x11) # data entry mode
|
||||
self.send_data(0x03)
|
||||
return 0
|
||||
|
||||
def init_Fast(self):
|
||||
|
||||
# EPD hardware init start
|
||||
self.reset()
|
||||
self.ReadBusy()
|
||||
|
||||
self.send_command(0x12) #SWRESET
|
||||
self.ReadBusy()
|
||||
|
||||
self.send_command(0x12) #SWRESET
|
||||
self.ReadBusy()
|
||||
|
||||
self.send_command(0x18) #Read built-in temperature sensor
|
||||
self.send_data(0x80)
|
||||
|
||||
self.send_command(0x22) # Load temperature value
|
||||
self.send_data(0xB1)
|
||||
self.send_command(0x20)
|
||||
self.ReadBusy()
|
||||
|
||||
self.send_command(0x1A) # Write to temperature register
|
||||
self.send_data(0x64)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x45) #set Ram-Y address start/end position
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x07) #0x0107-->(263+1)=264
|
||||
self.send_data(0x01)
|
||||
|
||||
self.send_command(0x4F) # set RAM y address count to 0;
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x11) # data entry mode
|
||||
self.send_data(0x03)
|
||||
|
||||
self.send_command(0x22) # Load temperature value
|
||||
self.send_data(0x91)
|
||||
self.send_command(0x20)
|
||||
self.ReadBusy()
|
||||
return 0
|
||||
|
||||
def init_4Gray(self):
|
||||
|
||||
self.reset()
|
||||
|
||||
self.send_command(0x12) # soft reset
|
||||
self.ReadBusy();
|
||||
|
||||
self.send_command(0x74) #set analog block control
|
||||
self.send_data(0x54)
|
||||
self.send_command(0x7E) #set digital block control
|
||||
self.send_data(0x3B)
|
||||
|
||||
self.send_command(0x01) #Driver output control
|
||||
self.send_data(0x07)
|
||||
self.send_data(0x01)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x11) #data entry mode
|
||||
self.send_data(0x03)
|
||||
|
||||
self.send_command(0x44) #set Ram-X address start/end position
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x15) #0x15-->(21+1)*8=176
|
||||
|
||||
self.send_command(0x45) #set Ram-Y address start/end position
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x07) #0x0107-->(263+1)=264
|
||||
self.send_data(0x01)
|
||||
|
||||
self.send_command(0x3C) #BorderWavefrom
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x2C) #VCOM Voltage
|
||||
self.send_data(self.LUT_DATA_4Gray[158]) #0x1C
|
||||
|
||||
self.send_command(0x3F) #EOPQ
|
||||
self.send_data(self.LUT_DATA_4Gray[153])
|
||||
|
||||
self.send_command(0x03) #VGH
|
||||
self.send_data(self.LUT_DATA_4Gray[154])
|
||||
|
||||
self.send_command(0x04) #
|
||||
self.send_data(self.LUT_DATA_4Gray[155]) #VSH1
|
||||
self.send_data(self.LUT_DATA_4Gray[156]) #VSH2
|
||||
self.send_data(self.LUT_DATA_4Gray[157]) #VSL
|
||||
|
||||
self.Lut() #LUT
|
||||
|
||||
self.send_command(0x4E) # set RAM x address count to 0;
|
||||
self.send_data(0x00)
|
||||
self.send_command(0x4F) # set RAM y address count to 0X199;
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.ReadBusy()
|
||||
return 0
|
||||
|
||||
def clear(self):
|
||||
if(self.width % 8 == 0):
|
||||
Width = self.width // 8
|
||||
else:
|
||||
Width = self.width // 8 +1
|
||||
Height = self.height
|
||||
self.send_command(0x24)
|
||||
self.send_data1([0xff] * Width * Height)
|
||||
self.TurnOnDisplay()
|
||||
|
||||
def display(self, image):
|
||||
if(self.width % 8 == 0):
|
||||
Width = self.width // 8
|
||||
else:
|
||||
Width = self.width // 8 +1
|
||||
Height = self.height
|
||||
self.send_command(0x24)
|
||||
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.send_command(0x24)
|
||||
for j in range(Height):
|
||||
for i in range(Width):
|
||||
self.send_data(image[(21-i) * Height + j])
|
||||
self.TurnOnDisplay()
|
||||
|
||||
def display_Fast(self, image):
|
||||
if(self.width % 8 == 0):
|
||||
Width = self.width // 8
|
||||
else:
|
||||
Width = self.width // 8 +1
|
||||
Height = self.height
|
||||
self.send_command(0x24)
|
||||
self.send_data1(image)
|
||||
self.TurnOnDisplay_Fast()
|
||||
|
||||
def display_Base(self, image):
|
||||
if(self.width % 8 == 0):
|
||||
Width = self.width // 8
|
||||
else:
|
||||
Width = self.width // 8 +1
|
||||
Height = self.height
|
||||
self.send_command(0x24) #Write Black and White image to RAM
|
||||
self.send_data1(image)
|
||||
|
||||
self.send_command(0x26) #Write Black and White image to RAM
|
||||
self.send_data1(image)
|
||||
|
||||
self.TurnOnDisplay()
|
||||
|
||||
def display_Base_color(self, color):
|
||||
if(self.width % 8 == 0):
|
||||
Width = self.width // 8
|
||||
else:
|
||||
Width = self.width // 8 +1
|
||||
Height = self.height
|
||||
self.send_command(0x24) #Write Black and White image to RAM
|
||||
self.send_data1([color] * Width * Height)
|
||||
|
||||
self.send_command(0x26) #Write Black and White image to RAM
|
||||
self.send_data1([color] * Width * Height)
|
||||
|
||||
# self.TurnOnDisplay()
|
||||
|
||||
def display_Partial(self, image):
|
||||
|
||||
if(self.width % 8 == 0):
|
||||
Width = self.width // 8
|
||||
else:
|
||||
Width = self.width // 8 +1
|
||||
Height = self.height
|
||||
|
||||
self.reset()
|
||||
|
||||
self.send_command(0x3C) #BorderWavefrom
|
||||
self.send_data(0x80)
|
||||
|
||||
self.send_command(0x24) #Write Black and White image to RAM
|
||||
self.send_data1(image)
|
||||
|
||||
self.TurnOnDisplay_Partial()
|
||||
|
||||
def display_4Gray(self, image):
|
||||
self.send_command(0x24)
|
||||
for i in range(0, 5808): #5808*4 46464
|
||||
temp3=0
|
||||
for j in range(0, 2):
|
||||
temp1 = image[i*2+j]
|
||||
for k in range(0, 2):
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03):
|
||||
temp3 |= 0x00 # white
|
||||
elif(temp2 == 0x00):
|
||||
temp3 |= 0x01 # black
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x00 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x01 # gray2
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 >>= 2
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03): # white
|
||||
temp3 |= 0x00;
|
||||
elif(temp2 == 0x00): # black
|
||||
temp3 |= 0x01;
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x00 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x01 # gray2
|
||||
|
||||
if (( j!=1 ) | ( k!=1 )):
|
||||
temp3 <<= 1
|
||||
temp1 >>= 2
|
||||
self.send_data(temp3)
|
||||
|
||||
self.send_command(0x26)
|
||||
for i in range(0, 5808): #5808*4 46464
|
||||
temp3=0
|
||||
for j in range(0, 2):
|
||||
temp1 = image[i*2+j]
|
||||
for k in range(0, 2):
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03):
|
||||
temp3 |= 0x00 # white
|
||||
elif(temp2 == 0x00):
|
||||
temp3 |= 0x01 # black
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x01 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x00 # gray2
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 >>= 2
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03): # white
|
||||
temp3 |= 0x00;
|
||||
elif(temp2 == 0x00): # black
|
||||
temp3 |= 0x01;
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x01 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x00 # gray2
|
||||
if(j!=1 or k!=1):
|
||||
temp3 <<= 1
|
||||
temp1 >>= 2
|
||||
self.send_data(temp3)
|
||||
|
||||
self.TurnOnDisplay_4GRAY()
|
||||
|
||||
def sleep(self):
|
||||
self.send_command(0X10)
|
||||
self.send_data(0x01)
|
||||
|
||||
|
||||
if __name__=='__main__':
|
||||
|
||||
epd = EPD_2in7_V2()
|
||||
|
||||
epd.image1Gray_Landscape.fill(0xff)
|
||||
epd.image1Gray_Portrait.fill(0xff)
|
||||
epd.image4Gray.fill(0xff)
|
||||
# You are advised to fill the cache area inside the ink screen first. Otherwise, the office brush may be abnormal
|
||||
epd.display_Base_color(0xff)
|
||||
|
||||
epd.image1Gray_Portrait.text("Waveshare", 5, 5, epd.black)
|
||||
epd.image1Gray_Portrait.text("Pico_ePaper-2.7", 5, 20, epd.black)
|
||||
epd.image1Gray_Portrait.text("Raspberry Pico", 5, 35, epd.black)
|
||||
epd.display_Fast(epd.buffer_1Gray_Portrait)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image1Gray_Portrait.vline(10, 60, 60, epd.black)
|
||||
epd.image1Gray_Portrait.vline(90, 60, 60, epd.black)
|
||||
epd.image1Gray_Portrait.hline(10, 60, 80, epd.black)
|
||||
epd.image1Gray_Portrait.hline(10, 120, 80, epd.black)
|
||||
epd.image1Gray_Portrait.line(10, 60, 90, 120, epd.black)
|
||||
epd.image1Gray_Portrait.line(90, 60, 10, 120, epd.black)
|
||||
epd.display_Fast(epd.buffer_1Gray_Portrait)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image1Gray_Portrait.rect(10, 136, 50, 80, epd.black)
|
||||
epd.image1Gray_Portrait.fill_rect(70, 136, 50, 80, epd.black)
|
||||
epd.display_Fast(epd.buffer_1Gray_Portrait)
|
||||
epd.delay_ms(500)
|
||||
|
||||
for i in range(0, 10):
|
||||
epd.image1Gray_Portrait.fill_rect(60, 240, 40, 10, 0xff)
|
||||
epd.image1Gray_Portrait.text(str(i), 80, 241, 0x00)
|
||||
epd.display_Partial(epd.buffer_1Gray_Portrait)
|
||||
|
||||
epd.init_4Gray()
|
||||
epd.image4Gray.fill_rect(0, 0, 175, 68, epd.black)
|
||||
epd.image4Gray.text('GRAY1',10, 30, epd.white)
|
||||
epd.image4Gray.fill_rect(0, 68, 175, 68, epd.darkgray)
|
||||
epd.image4Gray.text('GRAY2',10, 98, epd.grayish)
|
||||
epd.image4Gray.fill_rect(0, 136, 175, 68, epd.grayish)
|
||||
epd.image4Gray.text('GRAY3',10, 166, epd.darkgray)
|
||||
epd.image4Gray.fill_rect(0, 204, 175, 68, epd.white)
|
||||
epd.image4Gray.text('GRAY4',10, 234, epd.black)
|
||||
epd.display_4Gray(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.init()
|
||||
epd.clear()
|
||||
epd.image1Gray_Landscape.text("Waveshare", 5, 5, epd.black)
|
||||
epd.image1Gray_Landscape.text("Pico_ePaper-2.7", 5, 20, epd.black)
|
||||
epd.image1Gray_Landscape.text("Raspberry Pico", 5, 35, epd.black)
|
||||
epd.display_Landscape(epd.buffer_1Gray_Landscape)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.clear()
|
||||
print("Sleep")
|
||||
epd.sleep()
|
||||
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user