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