pico-epaper/epaper.py

310 lines
9.5 KiB
Python

# *****************************************************************************
# * | File : Pico_ePaper-5.65.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V1.0
# * | Date : 2021-06-04
# # | 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.
#
# -----------------
# Source: https://github.com/waveshare/Pico_ePaper_Code/blob/main/python/Pico-ePaper-5.65f.py
# Wiki: https://www.waveshare.com/wiki/Pico-ePaper-5.65
#
from machine import Pin, SPI
import framebuf
import utime
# Display resolution
EPD_WIDTH = 600
EPD_HEIGHT = 448
RST_PIN = 12
DC_PIN = 8
CS_PIN = 9
BUSY_PIN = 13
class EPD_5in65(framebuf.FrameBuffer):
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 = 0x01
self.Green = 0x02
self.Blue = 0x03
self.Red = 0x04
self.Yellow = 0x05
self.Orange = 0x06
self.Clean = 0x07
self.spi = SPI(1)
self.spi.init(baudrate=4000_000)
self.dc_pin = Pin(DC_PIN, Pin.OUT)
self.buffer = bytearray(self.height * self.width // 2)
super().__init__(self.buffer, self.width, self.height, framebuf.GS4_HMSB)
self.EPD_5IN65F_Init()
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)
print("ePaper exited")
# 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(1)
self.digital_write(self.reset_pin, 1)
self.delay_ms(200)
print("ePaper reset")
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 BusyHigh(self):
while(self.digital_read(self.busy_pin) == 0):
self.delay_ms(1)
def BusyLow(self):
while(self.digital_read(self.busy_pin) == 1):
self.delay_ms(1)
def EPD_5IN65F_Init(self):
self.reset();
self.BusyHigh();
self.send_command(0x00);
self.send_data(0xEF);
self.send_data(0x08);
self.send_command(0x01);
self.send_data(0x37);
self.send_data(0x00);
self.send_data(0x23);
self.send_data(0x23);
self.send_command(0x03);
self.send_data(0x00);
self.send_command(0x06);
self.send_data(0xC7);
self.send_data(0xC7);
self.send_data(0x1D);
self.send_command(0x30);
self.send_data(0x3C);
self.send_command(0x41);
self.send_data(0x00);
self.send_command(0x50);
self.send_data(0x37);
self.send_command(0x60);
self.send_data(0x22);
self.send_command(0x61);
self.send_data(0x02);
self.send_data(0x58);
self.send_data(0x01);
self.send_data(0xC0);
self.send_command(0xE3);
self.send_data(0xAA);
self.delay_ms(100);
self.send_command(0x50);
self.send_data(0x37);
print("ePaper inited")
def EPD_5IN65F_Clear(self,color):
self.send_command(0x61) # Set Resolution setting
self.send_data(0x02)
self.send_data(0x58)
self.send_data(0x01)
self.send_data(0xC0)
self.send_command(0x10)
for i in range(0,int(self.width / 2)):
self.send_data1([(color<<4)|color] * self.height)
self.send_command(0x04) # 0x04
self.BusyHigh()
self.send_command(0x12) # 0x12
self.BusyHigh()
self.send_command(0x02) # 0x02
self.BusyLow()
self.delay_ms(500)
print("ePaper cleared")
def EPD_5IN65F_Display(self,image):
self.send_command(0x61) # Set Resolution setting
self.send_data(0x02)
self.send_data(0x58)
self.send_data(0x01)
self.send_data(0xC0)
self.send_command(0x10)
for i in range(0, int(self.width // 2)):
self.send_data1(image[(i*self.height):((i+1)*self.height)])
self.send_command(0x04) # 0x04
self.BusyHigh()
self.send_command(0x12) # 0x12
self.BusyHigh()
self.send_command(0x02) # 0x02
self.BusyLow()
self.delay_ms(200)
print("ePaper displayed image")
def EPD_5IN65F_Display_part(self,image,xstart,ystart,image_width,image_heigh):
self.send_command(0x61) # Set Resolution setting
self.send_data(0x02)
self.send_data(0x58)
self.send_data(0x01)
self.send_data(0xC0)
self.send_command(0x10)
for i in range(0, self.height):
for j in range(0, int(self.width / 2)):
if((i<(image_heigh+ystart)) & (i>(ystart-1) ) & (j<(image_width+xstart)/2) & (j>(xstart/2 - 1))):
self.send_data(image[(j-xstart/2) + (image_width/2*(i-ystart))])
else:
self.send_data(0x11)
self.send_command(0x04) # 0x04
self.BusyHigh()
self.send_command(0x12) # 0x12
self.BusyHigh()
self.send_command(0x02) # 0x02
self.BusyLow()
self.delay_ms(200)
print("ePaper displayed part")
def Sleep(self):
self.delay_ms(100);
self.send_command(0x07);
self.send_data(0xA5);
self.delay_ms(100);
self.digital_write(self.reset_pin, 1)
print("ePaper entered sleep")
if __name__=='__main__':
print("ePaper test starting")
epd = EPD_5in65()
epd.EPD_5IN65F_Clear(epd.White)
epd.fill(0xff)
epd.text("Waveshare", 5, 5, epd.Black)
epd.text("Pico_ePaper-5.65", 5, 20, epd.Black)
epd.text("Raspberry Pico", 5, 35, epd.Black)
epd.EPD_5IN65F_Display(epd.buffer)
print("Test: text")
epd.delay_ms(5000)
epd.vline(10, 60, 60, epd.Black)
epd.vline(90, 60, 60, epd.Black)
epd.hline(10, 60, 80, epd.Black)
epd.hline(10, 120, 80, epd.Black)
epd.line(10, 60, 90, 120, epd.Black)
epd.line(90, 60, 10, 120, epd.Black)
epd.rect(10, 136, 50, 80, epd.Black)
epd.fill_rect(70, 136, 50, 80, epd.Black)
epd.EPD_5IN65F_Display(epd.buffer)
print("Test: black lines and rects")
epd.delay_ms(5000)
epd.text('Black',200,11,epd.Black)
epd.fill_rect(300, 0, 300, 30, epd.Black)
epd.text('White',200,41,epd.White)
epd.fill_rect(300, 30, 300, 30, epd.White)
epd.text('Green',200,71,epd.Green)
epd.fill_rect(300, 60, 300, 30, epd.Green)
epd.text('Blue',200,101,epd.Blue)
epd.fill_rect(300, 90, 300, 30, epd.Blue)
epd.text('Red',200,131,epd.Red)
epd.fill_rect(300, 120, 300, 30, epd.Red)
epd.text('Yellow',200,161,epd.Yellow)
epd.fill_rect(300, 150, 300, 30, epd.Yellow)
epd.text('Orange',200,191,epd.Orange)
epd.fill_rect(300, 180, 300, 30, epd.Orange)
epd.text('Clean',200,221,epd.Black)
epd.fill_rect(300, 210, 300, 30, epd.Clean)
epd.EPD_5IN65F_Display(epd.buffer)
print("Test: color names")
epd.delay_ms(5000)
j = 0
for i in range(-250,600):
epd.line(i, 238, i+250, 448, j)
if (i%30==0) :
j = j+1
j = j%7
epd.EPD_5IN65F_Display(epd.buffer)
print("Test: color lines")
epd.delay_ms(5000)
epd.EPD_5IN65F_Clear(epd.White)
epd.Sleep()
print("END")