From 7ab78f003c0b9374ec3067ce10dc6111bcc25e06 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Sat, 28 Dec 2019 15:17:20 +0100 Subject: AMAZINGNESS --- epaper/epd2in13.py | 138 +++++++++++++++++++++++++++++------------------------ 1 file changed, 75 insertions(+), 63 deletions(-) (limited to 'epaper/epd2in13.py') diff --git a/epaper/epd2in13.py b/epaper/epd2in13.py index 4ad2c24..9d1359a 100644 --- a/epaper/epd2in13.py +++ b/epaper/epd2in13.py @@ -1,35 +1,17 @@ -# //***************************************************************************** -# * | File : epd2in13.py +# ***************************************************************************** +# * | File : epd2in13_V2.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- -# * | This version: V3.0 -# * | Date : 2018-11-01 -# * | Info : python2 demo -# * 1.Remove: -# digital_write(self, pin, value) -# digital_read(self, pin) -# delay_ms(self, delaytime) -# set_lut(self, lut) -# self.lut = self.lut_full_update -# * 2.Change: -# display_frame -> TurnOnDisplay -# set_memory_area -> SetWindow -# set_memory_pointer -> SetCursor -# * 3.How to use -# epd = epd2in13.EPD() -# epd.init(epd.lut_full_update) -# image = Image.new('1', (epd2in13.EPD_WIDTH, epd2in13.EPD_HEIGHT), 255) -# ... -# drawing ...... -# ... -# epd.display(getbuffer(image)) -# ******************************************************************************// +# * | This version: V4.0 +# * | Date : 2019-06-20 +# # | 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 +# 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: # @@ -46,10 +28,9 @@ # +import logging import epdconfig -from PIL import Image -import RPi.GPIO as GPIO -# import numpy as np +import numpy as np # Display resolution EPD_WIDTH = 122 @@ -60,8 +41,10 @@ class EPD: self.reset_pin = epdconfig.RST_PIN self.dc_pin = epdconfig.DC_PIN self.busy_pin = epdconfig.BUSY_PIN + self.cs_pin = epdconfig.CS_PIN self.width = EPD_WIDTH self.height = EPD_HEIGHT + FULL_UPDATE = 0 PART_UPDATE = 1 lut_full_update= [ @@ -102,22 +85,26 @@ class EPD: # Hardware reset def reset(self): - epdconfig.digital_write(self.reset_pin, GPIO.HIGH) + epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(200) - epdconfig.digital_write(self.reset_pin, GPIO.LOW) # module reset - epdconfig.delay_ms(200) - epdconfig.digital_write(self.reset_pin, GPIO.HIGH) + epdconfig.digital_write(self.reset_pin, 0) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(200) def send_command(self, command): - epdconfig.digital_write(self.dc_pin, GPIO.LOW) + epdconfig.digital_write(self.dc_pin, 0) + epdconfig.digital_write(self.cs_pin, 0) epdconfig.spi_writebyte([command]) + epdconfig.digital_write(self.cs_pin, 1) def send_data(self, data): - epdconfig.digital_write(self.dc_pin, GPIO.HIGH) + epdconfig.digital_write(self.dc_pin, 1) + epdconfig.digital_write(self.cs_pin, 0) epdconfig.spi_writebyte([data]) + epdconfig.digital_write(self.cs_pin, 1) - def wait_until_idle(self): + def ReadBusy(self): while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy epdconfig.delay_ms(100) @@ -125,17 +112,23 @@ class EPD: self.send_command(0x22) self.send_data(0xC7) self.send_command(0x20) - self.wait_until_idle() - + self.ReadBusy() + + def TurnOnDisplayPart(self): + self.send_command(0x22) + self.send_data(0x0c) + self.send_command(0x20) + self.ReadBusy() + def init(self, update): if (epdconfig.module_init() != 0): return -1 # EPD hardware init start self.reset() if(update == self.FULL_UPDATE): - self.wait_until_idle() + self.ReadBusy() self.send_command(0x12) # soft reset - self.wait_until_idle() + self.ReadBusy() self.send_command(0x74) #set analog block control self.send_data(0x54) @@ -150,11 +143,11 @@ class EPD: self.send_command(0x11) #data entry mode self.send_data(0x01) - self.send_command(0x44) #set Ram-X address start//end position + self.send_command(0x44) #set Ram-X address start/end position self.send_data(0x00) self.send_data(0x0F) #0x0C-->(15+1)*8=128 - self.send_command(0x45) #set Ram-Y address start//end position + self.send_command(0x45) #set Ram-Y address start/end position self.send_data(0xF9) #0xF9-->(249+1)=250 self.send_data(0x00) self.send_data(0x00) @@ -188,12 +181,12 @@ class EPD: self.send_command(0x4F) # set RAM y address count to 0X127 self.send_data(0xF9) self.send_data(0x00) - self.wait_until_idle() + self.ReadBusy() else: self.send_command(0x2C) #VCOM Voltage self.send_data(0x26) - self.wait_until_idle() + self.ReadBusy() self.send_command(0x32) for count in range(70): @@ -211,7 +204,7 @@ class EPD: self.send_command(0x22) self.send_data(0xC0) self.send_command(0x20) - self.wait_until_idle() + self.ReadBusy() self.send_command(0x3C) #BorderWavefrom self.send_data(0x01) @@ -219,9 +212,9 @@ class EPD: def getbuffer(self, image): if self.width%8 == 0: - linewidth = self.width//8 + linewidth = int(self.width/8) else: - linewidth = self.width//8 + 1 + linewidth = int(self.width/8) + 1 buf = [0xFF] * (linewidth * self.height) image_monocolor = image.convert('1') @@ -229,29 +222,29 @@ class EPD: pixels = image_monocolor.load() if(imwidth == self.width and imheight == self.height): - print("Vertical") + logging.debug("Vertical") for y in range(imheight): for x in range(imwidth): if pixels[x, y] == 0: x = imwidth - x - buf[x // 8 + y * linewidth] &= ~(0x80 >> (x % 8)) + buf[int(x / 8) + y * linewidth] &= ~(0x80 >> (x % 8)) elif(imwidth == self.height and imheight == self.width): - print("Horizontal") + logging.debug("Horizontal") for y in range(imheight): for x in range(imwidth): newx = y newy = self.height - x - 1 if pixels[x, y] == 0: newy = imwidth - newy - 1 - buf[newx // 8 + newy*linewidth] &= ~(0x80 >> (y % 8)) + buf[int(newx / 8) + newy*linewidth] &= ~(0x80 >> (y % 8)) return buf def display(self, image): if self.width%8 == 0: - linewidth = self.width//8 + linewidth = int(self.width/8) else: - linewidth = self.width//8 + 1 + linewidth = int(self.width/8) + 1 self.send_command(0x24) for j in range(0, self.height): @@ -261,26 +254,46 @@ class EPD: def displayPartial(self, image): if self.width%8 == 0: - linewidth = self.width//8 + linewidth = int(self.width/8) + else: + linewidth = int(self.width/8) + 1 + + self.send_command(0x24) + for j in range(0, self.height): + for i in range(0, linewidth): + self.send_data(image[i + j * linewidth]) + + + # self.send_command(0x26) + # for j in range(0, self.height): + # for i in range(0, linewidth): + # self.send_data(~image[i + j * linewidth]) + self.TurnOnDisplayPart() + + def displayPartBaseImage(self, image): + if self.width%8 == 0: + linewidth = int(self.width/8) else: - linewidth = self.width//8 + 1 + linewidth = int(self.width/8) + 1 self.send_command(0x24) for j in range(0, self.height): for i in range(0, linewidth): self.send_data(image[i + j * linewidth]) + + self.send_command(0x26) for j in range(0, self.height): for i in range(0, linewidth): - self.send_data(~image[i + j * linewidth]) + self.send_data(image[i + j * linewidth]) self.TurnOnDisplay() def Clear(self, color): if self.width%8 == 0: - linewidth = self.width//8 + linewidth = int(self.width/8) else: - linewidth = self.width//8 + 1 - # print(linewidth) + linewidth = int(self.width/8) + 1 + # logging.debug(linewidth) self.send_command(0x24) for j in range(0, self.height): @@ -289,13 +302,12 @@ class EPD: self.TurnOnDisplay() def sleep(self): - self.send_command(0x22) #POWER OFF - self.send_data(0xC3) - self.send_command(0x20) - self.send_command(0x10) #enter deep sleep self.send_data(0x01) - epdconfig.delay_ms(100) + epdconfig.delay_ms(100) + + epdconfig.module_exit() ### END OF FILE ### + -- cgit v1.2.3