From 61a1525bd3e94a3c6529980f41403a45ce88f51d Mon Sep 17 00:00:00 2001 From: kmanc Date: Sat, 29 Oct 2022 09:36:52 -0700 Subject: [PATCH 1/4] Update epdconfig.py Fixed code formatting --- .../python/lib/waveshare_epd/epdconfig.py | 766 ++++++++++++++---- 1 file changed, 609 insertions(+), 157 deletions(-) diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py index 8f8b517..127544d 100644 --- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py +++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py @@ -1,13 +1,13 @@ -# /***************************************************************************** -# * | File : epdconfig.py +# ***************************************************************************** +# * | File : epd4in2.py # * | Author : Waveshare team -# * | Function : Hardware underlying interface +# * | Function : Electronic paper driver # * | Info : # *---------------- -# * | This version: V1.1 -# * | Date : 2022-08-10 -# * | Info : -# ****************************************************************************** +# * | This version: V4.2 +# * | Date : 2022-10-29 +# # | 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 @@ -27,200 +27,652 @@ # THE SOFTWARE. # -import os + import logging -import sys -import time +import epdconfig +from PIL import Image +import RPi.GPIO as GPIO + +# Display resolution +EPD_WIDTH = 400 +EPD_HEIGHT = 300 + +GRAY1 = 0xff # white +GRAY2 = 0xC0 +GRAY3 = 0x80 # gray +GRAY4 = 0x00 # Blackest logger = logging.getLogger(__name__) -class RaspberryPi: - # Pin definition - RST_PIN = 17 - DC_PIN = 25 - CS_PIN = 8 - BUSY_PIN = 24 - +class EPD: def __init__(self): - import spidev - import RPi.GPIO + 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 + self.GRAY1 = GRAY1 # white + self.GRAY2 = GRAY2 + self.GRAY3 = GRAY3 # gray + self.GRAY4 = GRAY4 # Blackest + self.DATA = [0x00] * 15000 - self.GPIO = RPi.GPIO - self.SPI = spidev.SpiDev() + lut_vcom0 = [ + 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, + 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, + ] + lut_ww = [ + 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + lut_bw = [ + 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + lut_wb = [ + 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + lut_bb = [ + 0x20, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0x10, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + # ******************************partial screen update LUT*********************************/ + EPD_4IN2_Partial_lut_vcom1 = [ + 0x00, 0x01, 0x20, 0x01, 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, + ] - def digital_write(self, pin, value): - self.GPIO.output(pin, value) + EPD_4IN2_Partial_lut_ww1 = [ + 0x00, 0x01, 0x20, 0x01, 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, + ] - def digital_read(self, pin): - return self.GPIO.input(pin) + EPD_4IN2_Partial_lut_bw1 = [ + 0x20, 0x01, 0x20, 0x01, 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, + ] - def delay_ms(self, delaytime): - time.sleep(delaytime / 1000.0) + EPD_4IN2_Partial_lut_wb1 = [ + 0x10, 0x01, 0x20, 0x01, 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, + ] - def spi_writebyte(self, data): - self.SPI.writebytes(data) + EPD_4IN2_Partial_lut_bb1 = [ + 0x00, 0x01, 0x20, 0x01, 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, + ] - def spi_writebyte2(self, data): - self.SPI.writebytes2(data) + # ******************************gray*********************************/ + # 0~3 gray + EPD_4IN2_4Gray_lut_vcom = [ + 0x00, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x60, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x00, 0x14, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x13, 0x0A, 0x01, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + ] + # R21 + EPD_4IN2_4Gray_lut_ww = [ + 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x10, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0xA0, 0x13, 0x01, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + # R22H r + EPD_4IN2_4Gray_lut_bw = [ + 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x00, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0x99, 0x0C, 0x01, 0x03, 0x04, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + # R23H w + EPD_4IN2_4Gray_lut_wb = [ + 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x00, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0x99, 0x0B, 0x04, 0x04, 0x01, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] + # R24H b + EPD_4IN2_4Gray_lut_bb = [ + 0x80, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x20, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0x50, 0x13, 0x01, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ] - def module_init(self): - self.GPIO.setmode(self.GPIO.BCM) - self.GPIO.setwarnings(False) - self.GPIO.setup(self.RST_PIN, self.GPIO.OUT) - self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) - self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) - self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) + # Hardware reset + def reset(self): + epdconfig.digital_write(self.reset_pin, 1) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 0) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 1) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 0) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 1) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 0) + epdconfig.delay_ms(10) + epdconfig.digital_write(self.reset_pin, 1) + epdconfig.delay_ms(10) - # SPI device, bus = 0, device = 0 - self.SPI.open(0, 0) - self.SPI.max_speed_hz = 4000000 - self.SPI.mode = 0b00 + def send_command(self, command): + 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, 1) + epdconfig.digital_write(self.cs_pin, 0) + epdconfig.spi_writebyte([data]) + epdconfig.digital_write(self.cs_pin, 1) + + # send a lot of data + def send_data2(self, data): + epdconfig.digital_write(self.dc_pin, 1) + epdconfig.digital_write(self.cs_pin, 0) + epdconfig.spi_writebyte2(data) + epdconfig.digital_write(self.cs_pin, 1) + + def ReadBusy(self): + self.send_command(0x71) + while epdconfig.digital_read(self.busy_pin) == 0: # 0: idle, 1: busy + self.send_command(0x71) + epdconfig.delay_ms(100) + + def set_lut(self): + self.send_command(0x20) # vcom + self.send_data2(self.lut_vcom0) + + self.send_command(0x21) # ww -- + self.send_data2(self.lut_ww) + + self.send_command(0x22) # bw r + self.send_data2(self.lut_bw) + + self.send_command(0x23) # wb w + self.send_data2(self.lut_bb) + + self.send_command(0x24) # bb b + self.send_data2(self.lut_wb) + + def Partial_SetLut(self): + self.send_command(0x20) + self.send_data2(self.EPD_4IN2_Partial_lut_vcom1) + + self.send_command(0x21) + self.send_data2(self.EPD_4IN2_Partial_lut_ww1) + + self.send_command(0x22) + self.send_data2(self.EPD_4IN2_Partial_lut_bw1) + + self.send_command(0x23) + self.send_data2(self.EPD_4IN2_Partial_lut_wb1) + + self.send_command(0x24) + self.send_data2(self.EPD_4IN2_Partial_lut_bb1) + + def Gray_SetLut(self): + self.send_command(0x20) # vcom + self.send_data2(self.EPD_4IN2_4Gray_lut_vcom) + + self.send_command(0x21) # red not use + self.send_data2(self.EPD_4IN2_4Gray_lut_ww) + + self.send_command(0x22) # bw r + self.send_data2(self.EPD_4IN2_4Gray_lut_bw) + + self.send_command(0x23) # wb w + self.send_data2(self.EPD_4IN2_4Gray_lut_wb) + + self.send_command(0x24) # bb b + self.send_data2(self.EPD_4IN2_4Gray_lut_bb) + + self.send_command(0x25) # vcom + self.send_data2(self.EPD_4IN2_4Gray_lut_ww) + + def init(self): + if epdconfig.module_init() != 0: + return -1 + # EPD hardware init start + self.reset() + + self.send_command(0x01) # POWER SETTING + self.send_data(0x03) # VDS_EN, VDG_EN + self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] + self.send_data(0x2b) # VDH + self.send_data(0x2b) # VDL + + self.send_command(0x06) # boost soft start + self.send_data(0x17) + self.send_data(0x17) + self.send_data(0x17) + + self.send_command(0x04) # POWER_ON + self.ReadBusy() + + self.send_command(0x00) # panel setting + self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f + + self.send_command(0x30) # PLL setting + self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ + + self.send_command(0x61) # resolution setting + self.send_data(0x01) + self.send_data(0x90) # 128 + self.send_data(0x01) + self.send_data(0x2c) + + self.send_command(0x82) # vcom_DC setting + self.send_data(0x12) + + self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING + self.send_data( + 0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 + + self.set_lut() + # EPD hardware init end return 0 - def module_exit(self): - logger.debug("spi end") - self.SPI.close() + def init_Partial(self): + if epdconfig.module_init() != 0: + return -1 + # EPD hardware init start + self.reset() - logger.debug("close 5V, Module enters 0 power consumption ...") - self.GPIO.output(self.RST_PIN, 0) - self.GPIO.output(self.DC_PIN, 0) + self.send_command(0x01) # POWER SETTING + self.send_data(0x03) # VDS_EN, VDG_EN + self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] + self.send_data(0x2b) # VDH + self.send_data(0x2b) # VDL - self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) + self.send_command(0x06) # boost soft start + self.send_data(0x17) + self.send_data(0x17) + self.send_data(0x17) + self.send_command(0x04) # POWER_ON + self.ReadBusy() -class JetsonNano: - # Pin definition - RST_PIN = 17 - DC_PIN = 25 - CS_PIN = 8 - BUSY_PIN = 24 + self.send_command(0x00) # panel setting + self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f - def __init__(self): - import ctypes - find_dirs = [ - os.path.dirname(os.path.realpath(__file__)), - '/usr/local/lib', - '/usr/lib', - ] - self.SPI = None - for find_dir in find_dirs: - so_filename = os.path.join(find_dir, 'sysfs_software_spi.so') - if os.path.exists(so_filename): - self.SPI = ctypes.cdll.LoadLibrary(so_filename) - break - if self.SPI is None: - raise RuntimeError('Cannot find sysfs_software_spi.so') + self.send_command(0x30) # PLL setting + self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ - import Jetson.GPIO - self.GPIO = Jetson.GPIO + self.send_command(0x61) # resolution setting + self.send_data(0x01) + self.send_data(0x90) # 128 + self.send_data(0x01) + self.send_data(0x2c) - def digital_write(self, pin, value): - self.GPIO.output(pin, value) + self.send_command(0x82) # vcom_DC setting + self.send_data(0x12) - def digital_read(self, pin): - return self.GPIO.input(self.BUSY_PIN) + self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING + self.send_data( + 0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 - def delay_ms(self, delaytime): - time.sleep(delaytime / 1000.0) - - def spi_writebyte(self, data): - self.SPI.SYSFS_software_spi_transfer(data[0]) - - def spi_writebyte2(self, data): - for i in range(len(data)): - self.SPI.SYSFS_software_spi_transfer(data[i]) - - def module_init(self): - self.GPIO.setmode(self.GPIO.BCM) - self.GPIO.setwarnings(False) - self.GPIO.setup(self.RST_PIN, self.GPIO.OUT) - self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) - self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) - self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) - self.SPI.SYSFS_software_spi_begin() + self.Partial_SetLut() + # EPD hardware init end return 0 - def module_exit(self): - logger.debug("spi end") - self.SPI.SYSFS_software_spi_end() + def Init_4Gray(self): + if epdconfig.module_init() != 0: + return -1 + # EPD hardware init start + self.reset() - logger.debug("close 5V, Module enters 0 power consumption ...") - self.GPIO.output(self.RST_PIN, 0) - self.GPIO.output(self.DC_PIN, 0) + self.send_command(0x01) # POWER SETTING + self.send_data(0x03) + self.send_data(0x00) # VGH=20V,VGL=-20V + self.send_data(0x2b) # VDH=15V + self.send_data(0x2b) # VDL=-15V + self.send_data(0x13) - self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) + self.send_command(0x06) # booster soft start + self.send_data(0x17) # A + self.send_data(0x17) # B + self.send_data(0x17) # C -class SunriseX3: - # Pin definition - RST_PIN = 17 - DC_PIN = 25 - CS_PIN = 8 - BUSY_PIN = 24 - Flag = 0 + self.send_command(0x04) + self.ReadBusy() - def __init__(self): - import spidev - import Hobot.GPIO + self.send_command(0x00) # panel setting + self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f - self.GPIO = Hobot.GPIO - self.SPI = spidev.SpiDev() + self.send_command(0x30) # PLL setting + self.send_data(0x3c) # 100hz - def digital_write(self, pin, value): - self.GPIO.output(pin, value) + self.send_command(0x61) # resolution setting + self.send_data(0x01) # 400 + self.send_data(0x90) + self.send_data(0x01) # 300 + self.send_data(0x2c) - def digital_read(self, pin): - return self.GPIO.input(pin) + self.send_command(0x82) # vcom_DC setting + self.send_data(0x12) - def delay_ms(self, delaytime): - time.sleep(delaytime / 1000.0) + self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING + self.send_data(0x97) - def spi_writebyte(self, data): - self.SPI.writebytes(data) + def getbuffer(self, image): + # logger.debug("bufsiz = ",int(self.width/8) * self.height) + buf = [0xFF] * (int(self.width / 8) * self.height) + image_monocolor = image.convert('1') + imwidth, imheight = image_monocolor.size + pixels = image_monocolor.load() + # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight) + if imwidth == self.width and imheight == self.height: + logger.debug("Horizontal") + for y in range(imheight): + for x in range(imwidth): + # Set the bits for the column of pixels at the current position. + if pixels[x, y] == 0: + buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8)) + elif imwidth == self.height and imheight == self.width: + logger.debug("Vertical") + for y in range(imheight): + for x in range(imwidth): + newx = y + newy = self.height - x - 1 + if pixels[x, y] == 0: + buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8)) + return buf - def spi_writebyte2(self, data): - # for i in range(len(data)): - # self.SPI.writebytes([data[i]]) - self.SPI.xfer3(data) + def getbuffer_4Gray(self, image): + # logger.debug("bufsiz = ",int(self.width/8) * self.height) + buf = [0xFF] * (int(self.width / 4) * self.height) + image_monocolor = image.convert('L') + imwidth, imheight = image_monocolor.size + pixels = image_monocolor.load() + i = 0 + # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight) + if imwidth == self.width and imheight == self.height: + logger.debug("Vertical") + for y in range(imheight): + for x in range(imwidth): + # Set the bits for the column of pixels at the current position. + if pixels[x, y] == 0xC0: + pixels[x, y] = 0x80 + elif pixels[x, y] == 0x80: + pixels[x, y] = 0x40 + i = i + 1 + if i % 4 == 0: + buf[int((x + (y * self.width)) / 4)] = ( + (pixels[x - 3, y] & 0xc0) | (pixels[x - 2, y] & 0xc0) >> 2 | ( + pixels[x - 1, y] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6) - def module_init(self): - if self.Flag == 0 : - self.Flag = 1 - self.GPIO.setmode(self.GPIO.BCM) - self.GPIO.setwarnings(False) - self.GPIO.setup(self.RST_PIN, self.GPIO.OUT) - self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) - self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) - self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) + elif imwidth == self.height and imheight == self.width: + logger.debug("Horizontal") + for x in range(imwidth): + for y in range(imheight): + newx = y + newy = x + if pixels[x, y] == 0xC0: + pixels[x, y] = 0x80 + elif pixels[x, y] == 0x80: + pixels[x, y] = 0x40 + i = i + 1 + if i % 4 == 0: + buf[int((newx + (newy * self.width)) / 4)] = ( + (pixels[x, y - 3] & 0xc0) | (pixels[x, y - 2] & 0xc0) >> 2 | ( + pixels[x, y - 1] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6) - # SPI device, bus = 0, device = 0 - self.SPI.open(2, 0) - self.SPI.max_speed_hz = 4000000 - self.SPI.mode = 0b00 - return 0 - else : - return 0 + return buf - def module_exit(self): - logger.debug("spi end") - self.SPI.close() + def display(self, image): + if self.width % 8 == 0: + linewidth = int(self.width / 8) + else: + linewidth = int(self.width / 8) + 1 - logger.debug("close 5V, Module enters 0 power consumption ...") - self.Flag = 0 - self.GPIO.output(self.RST_PIN, 0) - self.GPIO.output(self.DC_PIN, 0) + self.send_command(0x92) + self.set_lut() + self.send_command(0x10) + self.send_data2([0xFF] * int(self.width * linewidth)) - self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) + self.send_command(0x13) + self.send_data2(image) -if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'): - implementation = RaspberryPi() -elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'): - implementation = SunriseX3() -else: - implementation = JetsonNano() + self.send_command(0x12) + self.ReadBusy() -for func in [x for x in dir(implementation) if not x.startswith('_')]: - setattr(sys.modules[__name__], func, getattr(implementation, func)) + def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image): + # EPD_WIDTH = 400 + # EPD_HEIGHT = 300 + if EPD_WIDTH % 8 != 0: + Width = int(EPD_WIDTH / 8) + 1 + else: + Width = int(EPD_WIDTH / 8) + Height = EPD_HEIGHT + + if X_start % 8 != 0: + X_start = int(X_start / 8) + 1 + else: + X_start = int(X_start / 8) + if X_end % 8 != 0: + X_end = int(X_end / 8) + 1 + else: + X_end = int(X_end / 8) + + buf = [0x00] * (Y_end - Y_start) * (X_end - X_start) + + self.send_command(0x91) # This command makes the display enter partial mode + self.send_command(0x90) # resolution setting + self.send_data(int(X_start * 8 / 256)) + self.send_data(int(X_start * 8 % 256)) # x-start + + self.send_data(int(X_end * 8 / 256)) + self.send_data(int(X_end * 8 % 256) - 1) # x-end + + self.send_data(int(Y_start / 256)) + self.send_data(int(Y_start % 256)) # y-start + + self.send_data(int(Y_end / 256)) + self.send_data(int(Y_end % 256) - 1) # y-end + self.send_data(0x28) + + self.send_command(0x10) # writes Old data to SRAM for programming + for j in range(0, Y_end - Y_start): + for i in range(0, X_end - X_start): + buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i] + self.send_data2(buf) + + self.send_command(0x13) # writes New data to SRAM. + for j in range(0, Y_end - Y_start): + for i in range(0, X_end - X_start): + buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j) * Width + X_start + i] + self.DATA[(Y_start + j) * Width + X_start + i] = ~Image[(Y_start + j) * Width + X_start / 8 + i] + self.send_data2(buf) + + self.send_command(0x12) # DISPLAY REFRESH + epdconfig.delay_ms(200) # The delay here is necessary, 200uS at least!!! + self.ReadBusy() + + def display_4Gray(self, image): + self.send_command(0x92) + self.set_lut() + self.send_command(0x10) + + if self.width % 8 == 0: + linewidth = int(self.width / 8) + else: + linewidth = int(self.width / 8) + 1 + + buf = [0x00] * self.height * linewidth + + for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4 + temp3 = 0 + for j in range(0, 2): + temp1 = image[i * 2 + j] + for k in range(0, 2): + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: + temp3 |= 0x01 # white + elif temp2 == 0x00: + temp3 |= 0x00 # black + elif temp2 == 0x80: + temp3 |= 0x01 # gray1 + else: # 0x40 + temp3 |= 0x00 # gray2 + temp3 <<= 1 + + temp1 <<= 2 + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: # white + temp3 |= 0x01 + elif temp2 == 0x00: # black + temp3 |= 0x00 + elif temp2 == 0x80: + temp3 |= 0x01 # gray1 + else: # 0x40 + temp3 |= 0x00 # gray2 + if j != 1 or k != 1: + temp3 <<= 1 + temp1 <<= 2 + buf[i] = temp3 + self.send_data2(buf) + + self.send_command(0x13) + + for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # 5808*4 46464 + temp3 = 0 + for j in range(0, 2): + temp1 = image[i * 2 + j] + for k in range(0, 2): + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: + temp3 |= 0x01 # white + elif temp2 == 0x00: + temp3 |= 0x00 # black + elif temp2 == 0x80: + temp3 |= 0x00 # gray1 + else: # 0x40 + temp3 |= 0x01 # gray2 + temp3 <<= 1 + + temp1 <<= 2 + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: # white + temp3 |= 0x01 + elif temp2 == 0x00: # black + temp3 |= 0x00 + elif temp2 == 0x80: + temp3 |= 0x00 # gray1 + else: # 0x40 + temp3 |= 0x01 # gray2 + if j != 1 or k != 1: + temp3 <<= 1 + temp1 <<= 2 + buf[i] = temp3 + self.send_data2(buf) + + self.Gray_SetLut() + self.send_command(0x12) + epdconfig.delay_ms(200) + self.ReadBusy() + # pass + + def Clear(self): + if self.width % 8 == 0: + linewidth = int(self.width / 8) + else: + linewidth = int(self.width / 8) + 1 + + self.send_command(0x10) + self.send_data2([0xff] * int(self.height * linewidth)) + + self.send_command(0x13) + self.send_data2([0xff] * int(self.height * linewidth)) + + self.send_command(0x12) + self.ReadBusy() + + def sleep(self): + self.send_command(0x02) # POWER_OFF + self.ReadBusy() + self.send_command(0x07) # DEEP_SLEEP + self.send_data(0XA5) + + epdconfig.delay_ms(2000) + epdconfig.module_exit() ### END OF FILE ### From b2cc986f8b0172c91cdf05320d4e0f7c37041704 Mon Sep 17 00:00:00 2001 From: kmanc Date: Sat, 29 Oct 2022 09:39:59 -0700 Subject: [PATCH 2/4] Update epd4in2.py Fixed code formatting Removed ";" from lines Removed parens that shouldn't be there --- .../python/lib/waveshare_epd/epd4in2.py | 784 +++++++++--------- 1 file changed, 391 insertions(+), 393 deletions(-) diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2.py index 8562639..ce1d057 100644 --- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2.py +++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2.py @@ -4,8 +4,8 @@ # * | Function : Electronic paper driver # * | Info : # *---------------- -# * | This version: V4.1 -# * | Date : 2022-08-9 +# * | This version: V4.2 +# * | Date : 2022-10-29 # # | Info : python demo # ----------------------------------------------------------------------------- # Permission is hereby granted, free of charge, to any person obtaining a copy @@ -34,16 +34,17 @@ from PIL import Image import RPi.GPIO as GPIO # Display resolution -EPD_WIDTH = 400 -EPD_HEIGHT = 300 +EPD_WIDTH = 400 +EPD_HEIGHT = 300 -GRAY1 = 0xff #white -GRAY2 = 0xC0 -GRAY3 = 0x80 #gray -GRAY4 = 0x00 #Blackest +GRAY1 = 0xff # white +GRAY2 = 0xC0 +GRAY3 = 0x80 # gray +GRAY4 = 0x00 # Blackest logger = logging.getLogger(__name__) + class EPD: def __init__(self): self.reset_pin = epdconfig.RST_PIN @@ -52,179 +53,179 @@ class EPD: self.cs_pin = epdconfig.CS_PIN self.width = EPD_WIDTH self.height = EPD_HEIGHT - self.GRAY1 = GRAY1 #white - self.GRAY2 = GRAY2 - self.GRAY3 = GRAY3 #gray - self.GRAY4 = GRAY4 #Blackest - self.DATA = [0x00] * 15000 + self.GRAY1 = GRAY1 # white + self.GRAY2 = GRAY2 + self.GRAY3 = GRAY3 # gray + self.GRAY4 = GRAY4 # Blackest + self.DATA = [0x00] * 15000 lut_vcom0 = [ - 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, - 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, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, + 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, ] lut_ww = [ - 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_bw = [ - 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_wb = [ - 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_bb = [ - 0x20, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0x10, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x20, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, + 0x10, 0x08, 0x08, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] - #******************************partial screen update LUT*********************************/ - EPD_4IN2_Partial_lut_vcom1 =[ - 0x00, 0x01, 0x20, 0x01, 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, + # ******************************partial screen update LUT*********************************/ + EPD_4IN2_Partial_lut_vcom1 = [ + 0x00, 0x01, 0x20, 0x01, 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, ] - EPD_4IN2_Partial_lut_ww1 =[ - 0x00, 0x01, 0x20, 0x01, 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, + EPD_4IN2_Partial_lut_ww1 = [ + 0x00, 0x01, 0x20, 0x01, 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, ] - EPD_4IN2_Partial_lut_bw1 =[ - 0x20, 0x01, 0x20, 0x01, 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, + EPD_4IN2_Partial_lut_bw1 = [ + 0x20, 0x01, 0x20, 0x01, 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, ] - EPD_4IN2_Partial_lut_wb1 =[ - 0x10, 0x01, 0x20, 0x01, 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, + EPD_4IN2_Partial_lut_wb1 = [ + 0x10, 0x01, 0x20, 0x01, 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, ] - EPD_4IN2_Partial_lut_bb1 =[ - 0x00, 0x01,0x20, 0x01, 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, + EPD_4IN2_Partial_lut_bb1 = [ + 0x00, 0x01, 0x20, 0x01, 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, ] - #******************************gray*********************************/ - #0~3 gray - EPD_4IN2_4Gray_lut_vcom =[ - 0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, - 0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, - 0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01, - 0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00 + # ******************************gray*********************************/ + # 0~3 gray + EPD_4IN2_4Gray_lut_vcom = [ + 0x00, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x60, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x00, 0x14, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x13, 0x0A, 0x01, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ] - #R21 - EPD_4IN2_4Gray_lut_ww =[ - 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, - 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, - 0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, - 0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, + # R21 + EPD_4IN2_4Gray_lut_ww = [ + 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x10, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0xA0, 0x13, 0x01, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] - #R22H r - EPD_4IN2_4Gray_lut_bw =[ - 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, - 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, - 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, - 0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, + # R22H r + EPD_4IN2_4Gray_lut_bw = [ + 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x00, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0x99, 0x0C, 0x01, 0x03, 0x04, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] - #R23H w - EPD_4IN2_4Gray_lut_wb =[ - 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, - 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, - 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, - 0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, + # R23H w + EPD_4IN2_4Gray_lut_wb = [ + 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x00, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0x99, 0x0B, 0x04, 0x04, 0x01, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] - #R24H b - EPD_4IN2_4Gray_lut_bb =[ - 0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, - 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, - 0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, - 0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, - 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, + # R24H b + EPD_4IN2_4Gray_lut_bb = [ + 0x80, 0x0A, 0x00, 0x00, 0x00, 0x01, + 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, + 0x20, 0x14, 0x0A, 0x00, 0x00, 0x01, + 0x50, 0x13, 0x01, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] - + # Hardware reset def reset(self): epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) + epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) + epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) + epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 1) @@ -248,29 +249,28 @@ class EPD: epdconfig.digital_write(self.cs_pin, 0) epdconfig.spi_writebyte2(data) epdconfig.digital_write(self.cs_pin, 1) - + def ReadBusy(self): self.send_command(0x71) - while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy + while epdconfig.digital_read(self.busy_pin) == 0: # 0: idle, 1: busy self.send_command(0x71) - epdconfig.delay_ms(100) + epdconfig.delay_ms(100) def set_lut(self): - self.send_command(0x20) # vcom + self.send_command(0x20) # vcom self.send_data2(self.lut_vcom0) - - self.send_command(0x21) # ww -- - self.send_data2(self.lut_ww) - - self.send_command(0x22) # bw r - self.send_data2(self.lut_bw) - - self.send_command(0x23) # wb w - self.send_data2(self.lut_bb) - - self.send_command(0x24) # bb b - self.send_data2(self.lut_wb) + self.send_command(0x21) # ww -- + self.send_data2(self.lut_ww) + + self.send_command(0x22) # bw r + self.send_data2(self.lut_bw) + + self.send_command(0x23) # wb w + self.send_data2(self.lut_bb) + + self.send_command(0x24) # bb b + self.send_data2(self.lut_wb) def Partial_SetLut(self): self.send_command(0x20) @@ -278,7 +278,7 @@ class EPD: self.send_command(0x21) self.send_data2(self.EPD_4IN2_Partial_lut_ww1) - + self.send_command(0x22) self.send_data2(self.EPD_4IN2_Partial_lut_bw1) @@ -288,393 +288,391 @@ class EPD: self.send_command(0x24) self.send_data2(self.EPD_4IN2_Partial_lut_bb1) - - def Gray_SetLut(self): - self.send_command(0x20) #vcom - self.send_data2(self.EPD_4IN2_4Gray_lut_vcom) + self.send_command(0x20) # vcom + self.send_data2(self.EPD_4IN2_4Gray_lut_vcom) - self.send_command(0x21) #red not use - self.send_data2(self.EPD_4IN2_4Gray_lut_ww) - - self.send_command(0x22) #bw r - self.send_data2(self.EPD_4IN2_4Gray_lut_bw) - - self.send_command(0x23) #wb w - self.send_data2(self.EPD_4IN2_4Gray_lut_wb) - - self.send_command(0x24) #bb b - self.send_data2(self.EPD_4IN2_4Gray_lut_bb) - - self.send_command(0x25) #vcom + self.send_command(0x21) # red not use self.send_data2(self.EPD_4IN2_4Gray_lut_ww) - - + + self.send_command(0x22) # bw r + self.send_data2(self.EPD_4IN2_4Gray_lut_bw) + + self.send_command(0x23) # wb w + self.send_data2(self.EPD_4IN2_4Gray_lut_wb) + + self.send_command(0x24) # bb b + self.send_data2(self.EPD_4IN2_4Gray_lut_bb) + + self.send_command(0x25) # vcom + self.send_data2(self.EPD_4IN2_4Gray_lut_ww) + def init(self): - if (epdconfig.module_init() != 0): + if epdconfig.module_init() != 0: return -1 # EPD hardware init start self.reset() - - self.send_command(0x01) # POWER SETTING - self.send_data(0x03) # VDS_EN, VDG_EN - self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] - self.send_data(0x2b) # VDH - self.send_data(0x2b) # VDL - - self.send_command(0x06) # boost soft start - self.send_data(0x17) - self.send_data(0x17) - self.send_data(0x17) - - self.send_command(0x04) # POWER_ON - self.ReadBusy() - - self.send_command(0x00) # panel setting - self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f - - self.send_command(0x30) # PLL setting - self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ - self.send_command(0x61) # resolution setting + self.send_command(0x01) # POWER SETTING + self.send_data(0x03) # VDS_EN, VDG_EN + self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] + self.send_data(0x2b) # VDH + self.send_data(0x2b) # VDL + + self.send_command(0x06) # boost soft start + self.send_data(0x17) + self.send_data(0x17) + self.send_data(0x17) + + self.send_command(0x04) # POWER_ON + self.ReadBusy() + + self.send_command(0x00) # panel setting + self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f + + self.send_command(0x30) # PLL setting + self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ + + self.send_command(0x61) # resolution setting + self.send_data(0x01) + self.send_data(0x90) # 128 self.send_data(0x01) - self.send_data(0x90) # 128 - self.send_data(0x01) self.send_data(0x2c) - self.send_command(0x82) # vcom_DC setting + self.send_command(0x82) # vcom_DC setting self.send_data(0x12) - self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING - self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 - + self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING + self.send_data( + 0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 + self.set_lut() # EPD hardware init end return 0 - + def init_Partial(self): - if (epdconfig.module_init() != 0): + if epdconfig.module_init() != 0: return -1 # EPD hardware init start self.reset() - - self.send_command(0x01) # POWER SETTING - self.send_data(0x03) # VDS_EN, VDG_EN - self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] - self.send_data(0x2b) # VDH - self.send_data(0x2b) # VDL - - self.send_command(0x06) # boost soft start - self.send_data(0x17) - self.send_data(0x17) - self.send_data(0x17) - - self.send_command(0x04) # POWER_ON - self.ReadBusy() - - self.send_command(0x00) # panel setting - self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f - - self.send_command(0x30) # PLL setting - self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ - self.send_command(0x61) # resolution setting + self.send_command(0x01) # POWER SETTING + self.send_data(0x03) # VDS_EN, VDG_EN + self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] + self.send_data(0x2b) # VDH + self.send_data(0x2b) # VDL + + self.send_command(0x06) # boost soft start + self.send_data(0x17) + self.send_data(0x17) + self.send_data(0x17) + + self.send_command(0x04) # POWER_ON + self.ReadBusy() + + self.send_command(0x00) # panel setting + self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f + + self.send_command(0x30) # PLL setting + self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ + + self.send_command(0x61) # resolution setting + self.send_data(0x01) + self.send_data(0x90) # 128 self.send_data(0x01) - self.send_data(0x90) # 128 - self.send_data(0x01) self.send_data(0x2c) - self.send_command(0x82) # vcom_DC setting + self.send_command(0x82) # vcom_DC setting self.send_data(0x12) - self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING - self.send_data(0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 - - self.Partial_SetLut(); + self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING + self.send_data( + 0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 + + self.Partial_SetLut() # EPD hardware init end return 0 - + def Init_4Gray(self): - if (epdconfig.module_init() != 0): + if epdconfig.module_init() != 0: return -1 # EPD hardware init start self.reset() - - self.send_command(0x01) #POWER SETTING - self.send_data (0x03) - self.send_data (0x00) #VGH=20V,VGL=-20V - self.send_data (0x2b) #VDH=15V - self.send_data (0x2b) #VDL=-15V - self.send_data (0x13) - self.send_command(0x06) #booster soft start - self.send_data (0x17) #A - self.send_data (0x17) #B - self.send_data (0x17) #C + self.send_command(0x01) # POWER SETTING + self.send_data(0x03) + self.send_data(0x00) # VGH=20V,VGL=-20V + self.send_data(0x2b) # VDH=15V + self.send_data(0x2b) # VDL=-15V + self.send_data(0x13) + + self.send_command(0x06) # booster soft start + self.send_data(0x17) # A + self.send_data(0x17) # B + self.send_data(0x17) # C self.send_command(0x04) self.ReadBusy() - self.send_command(0x00) #panel setting - self.send_data(0x3f) #KW-3f KWR-2F BWROTP 0f BWOTP 1f + self.send_command(0x00) # panel setting + self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f - self.send_command(0x30) #PLL setting - self.send_data (0x3c) #100hz + self.send_command(0x30) # PLL setting + self.send_data(0x3c) # 100hz - self.send_command(0x61) #resolution setting - self.send_data (0x01) #400 - self.send_data (0x90) - self.send_data (0x01) #300 - self.send_data (0x2c) + self.send_command(0x61) # resolution setting + self.send_data(0x01) # 400 + self.send_data(0x90) + self.send_data(0x01) # 300 + self.send_data(0x2c) - self.send_command(0x82) #vcom_DC setting - self.send_data (0x12) + self.send_command(0x82) # vcom_DC setting + self.send_data(0x12) - self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING + self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING self.send_data(0x97) def getbuffer(self, image): # logger.debug("bufsiz = ",int(self.width/8) * self.height) - buf = [0xFF] * (int(self.width/8) * self.height) + buf = [0xFF] * (int(self.width / 8) * self.height) image_monocolor = image.convert('1') imwidth, imheight = image_monocolor.size pixels = image_monocolor.load() # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight) - if(imwidth == self.width and imheight == self.height): + if imwidth == self.width and imheight == self.height: logger.debug("Horizontal") for y in range(imheight): for x in range(imwidth): # Set the bits for the column of pixels at the current position. if pixels[x, y] == 0: buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8)) - elif(imwidth == self.height and imheight == self.width): + elif imwidth == self.height and imheight == self.width: logger.debug("Vertical") for y in range(imheight): for x in range(imwidth): newx = y newy = self.height - x - 1 if pixels[x, y] == 0: - buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8)) + buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8)) return buf - + def getbuffer_4Gray(self, image): # logger.debug("bufsiz = ",int(self.width/8) * self.height) buf = [0xFF] * (int(self.width / 4) * self.height) image_monocolor = image.convert('L') imwidth, imheight = image_monocolor.size pixels = image_monocolor.load() - i=0 + i = 0 # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight) - if(imwidth == self.width and imheight == self.height): + if imwidth == self.width and imheight == self.height: logger.debug("Vertical") for y in range(imheight): for x in range(imwidth): # Set the bits for the column of pixels at the current position. - if(pixels[x, y] == 0xC0): + if pixels[x, y] == 0xC0: pixels[x, y] = 0x80 - elif (pixels[x, y] == 0x80): + elif pixels[x, y] == 0x80: pixels[x, y] = 0x40 - i= i+1 - if(i%4 == 0): - buf[int((x + (y * self.width))/4)] = ((pixels[x-3, y]&0xc0) | (pixels[x-2, y]&0xc0)>>2 | (pixels[x-1, y]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6) - - elif(imwidth == self.height and imheight == self.width): + i = i + 1 + if i % 4 == 0: + buf[int((x + (y * self.width)) / 4)] = ( + (pixels[x - 3, y] & 0xc0) | (pixels[x - 2, y] & 0xc0) >> 2 | ( + pixels[x - 1, y] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6) + + elif imwidth == self.height and imheight == self.width: logger.debug("Horizontal") for x in range(imwidth): for y in range(imheight): newx = y newy = x - if(pixels[x, y] == 0xC0): + if pixels[x, y] == 0xC0: pixels[x, y] = 0x80 - elif (pixels[x, y] == 0x80): + elif pixels[x, y] == 0x80: pixels[x, y] = 0x40 - i= i+1 - if(i%4 == 0): - buf[int((newx + (newy * self.width))/4)] = ((pixels[x, y-3]&0xc0) | (pixels[x, y-2]&0xc0)>>2 | (pixels[x, y-1]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6) - + i = i + 1 + if i % 4 == 0: + buf[int((newx + (newy * self.width)) / 4)] = ( + (pixels[x, y - 3] & 0xc0) | (pixels[x, y - 2] & 0xc0) >> 2 | ( + pixels[x, y - 1] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6) + return buf def display(self, image): - if self.width%8 == 0: - linewidth = int(self.width/8) + if self.width % 8 == 0: + linewidth = int(self.width / 8) else: - linewidth = int(self.width/8) + 1 + linewidth = int(self.width / 8) + 1 - self.send_command(0x92); + self.send_command(0x92) self.set_lut() self.send_command(0x10) self.send_data2([0xFF] * int(self.width * linewidth)) - + self.send_command(0x13) self.send_data2(image) - - self.send_command(0x12) + + self.send_command(0x12) self.ReadBusy() def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image): # EPD_WIDTH = 400 # EPD_HEIGHT = 300 - if(EPD_WIDTH % 8 != 0): - Width = int(EPD_WIDTH / 8) + 1 + if EPD_WIDTH % 8 != 0: + Width = int(EPD_WIDTH / 8) + 1 else: Width = int(EPD_WIDTH / 8) Height = EPD_HEIGHT - - if(X_start % 8 != 0): - X_start = int(X_start/8) + 1 + + if X_start % 8 != 0: + X_start = int(X_start / 8) + 1 else: - X_start = int(X_start/8) - if(X_end % 8 != 0): - X_end = int(X_end/8) + 1 + X_start = int(X_start / 8) + if X_end % 8 != 0: + X_end = int(X_end / 8) + 1 else: - X_end = int(X_end/8) - + X_end = int(X_end / 8) + buf = [0x00] * (Y_end - Y_start) * (X_end - X_start) - - self.send_command(0x91) #This command makes the display enter partial mode - self.send_command(0x90) #resolution setting - self.send_data (int(X_start*8/256)) - self.send_data (int(X_start*8%256)) #x-start - - self.send_data (int(X_end*8 /256)) - self.send_data (int(X_end*8 %256)-1) #x-end + self.send_command(0x91) # This command makes the display enter partial mode + self.send_command(0x90) # resolution setting + self.send_data(int(X_start * 8 / 256)) + self.send_data(int(X_start * 8 % 256)) # x-start - self.send_data (int(Y_start/256)) - self.send_data (int(Y_start%256)) #y-start - + self.send_data(int(X_end * 8 / 256)) + self.send_data(int(X_end * 8 % 256) - 1) # x-end - self.send_data (int(Y_end/256)) - self.send_data (int(Y_end%256)-1) #y-end - self.send_data (0x28) - + self.send_data(int(Y_start / 256)) + self.send_data(int(Y_start % 256)) # y-start - self.send_command(0x10); #writes Old data to SRAM for programming + self.send_data(int(Y_end / 256)) + self.send_data(int(Y_end % 256) - 1) # y-end + self.send_data(0x28) + + self.send_command(0x10) # writes Old data to SRAM for programming for j in range(0, Y_end - Y_start): for i in range(0, X_end - X_start): - buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j)*Width + X_start + i] + buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i] self.send_data2(buf) - - self.send_command(0x13); #writes New data to SRAM. + + self.send_command(0x13) # writes New data to SRAM. for j in range(0, Y_end - Y_start): for i in range(0, X_end - X_start): - buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j)*Width + X_start + i] - self.DATA[(Y_start + j)*Width + X_start + i] = ~Image[(Y_start + j)*Width + X_start/8 + i] + buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j) * Width + X_start + i] + self.DATA[(Y_start + j) * Width + X_start + i] = ~Image[(Y_start + j) * Width + X_start / 8 + i] self.send_data2(buf) - - self.send_command(0x12) #DISPLAY REFRESH - epdconfig.delay_ms(200) #The delay here is necessary, 200uS at least!!! + + self.send_command(0x12) # DISPLAY REFRESH + epdconfig.delay_ms(200) # The delay here is necessary, 200uS at least!!! self.ReadBusy() - def display_4Gray(self, image): - self.send_command(0x92); + self.send_command(0x92) self.set_lut() self.send_command(0x10) - if self.width%8 == 0: - linewidth = int(self.width/8) + if self.width % 8 == 0: + linewidth = int(self.width / 8) else: - linewidth = int(self.width/8) + 1 + linewidth = int(self.width / 8) + 1 buf = [0x00] * self.height * linewidth - for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4 - temp3=0 + for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4 + temp3 = 0 for j in range(0, 2): - temp1 = image[i*2+j] + temp1 = image[i * 2 + j] for k in range(0, 2): - temp2 = temp1&0xC0 - if(temp2 == 0xC0): - temp3 |= 0x01#white - elif(temp2 == 0x00): - temp3 |= 0x00 #black - elif(temp2 == 0x80): - temp3 |= 0x01 #gray1 - else: #0x40 - temp3 |= 0x00 #gray2 - temp3 <<= 1 - + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: + temp3 |= 0x01 # white + elif temp2 == 0x00: + temp3 |= 0x00 # black + elif temp2 == 0x80: + temp3 |= 0x01 # gray1 + else: # 0x40 + temp3 |= 0x00 # gray2 + temp3 <<= 1 + temp1 <<= 2 - temp2 = temp1&0xC0 - if(temp2 == 0xC0): #white + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: # white temp3 |= 0x01 - elif(temp2 == 0x00): #black + elif temp2 == 0x00: # black temp3 |= 0x00 - elif(temp2 == 0x80): - temp3 |= 0x01 #gray1 - else : #0x40 - temp3 |= 0x00 #gray2 - if(j!=1 or k!=1): + elif temp2 == 0x80: + temp3 |= 0x01 # gray1 + else: # 0x40 + temp3 |= 0x00 # gray2 + if j != 1 or k != 1: temp3 <<= 1 temp1 <<= 2 buf[i] = temp3 self.send_data2(buf) - - self.send_command(0x13) - - for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): #5808*4 46464 - temp3=0 + + self.send_command(0x13) + + for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # 5808*4 46464 + temp3 = 0 for j in range(0, 2): - temp1 = image[i*2+j] + temp1 = image[i * 2 + j] for k in range(0, 2): - temp2 = temp1&0xC0 - if(temp2 == 0xC0): - temp3 |= 0x01#white - elif(temp2 == 0x00): - temp3 |= 0x00 #black - elif(temp2 == 0x80): - temp3 |= 0x00 #gray1 - else: #0x40 - temp3 |= 0x01 #gray2 - temp3 <<= 1 - + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: + temp3 |= 0x01 # white + elif temp2 == 0x00: + temp3 |= 0x00 # black + elif temp2 == 0x80: + temp3 |= 0x00 # gray1 + else: # 0x40 + temp3 |= 0x01 # gray2 + temp3 <<= 1 + temp1 <<= 2 - temp2 = temp1&0xC0 - if(temp2 == 0xC0): #white + temp2 = temp1 & 0xC0 + if temp2 == 0xC0: # white temp3 |= 0x01 - elif(temp2 == 0x00): #black + elif temp2 == 0x00: # black temp3 |= 0x00 - elif(temp2 == 0x80): - temp3 |= 0x00 #gray1 - else: #0x40 - temp3 |= 0x01 #gray2 - if(j!=1 or k!=1): + elif temp2 == 0x80: + temp3 |= 0x00 # gray1 + else: # 0x40 + temp3 |= 0x01 # gray2 + if j != 1 or k != 1: temp3 <<= 1 temp1 <<= 2 buf[i] = temp3 self.send_data2(buf) - + self.Gray_SetLut() self.send_command(0x12) epdconfig.delay_ms(200) self.ReadBusy() # pass - + def Clear(self): - if self.width%8 == 0: - linewidth = int(self.width/8) + if self.width % 8 == 0: + linewidth = int(self.width / 8) else: - linewidth = int(self.width/8) + 1 + linewidth = int(self.width / 8) + 1 self.send_command(0x10) - self.send_data2([0xff] * int(self.height * linewidth)) - + self.send_data2([0xff] * int(self.height * linewidth)) + self.send_command(0x13) - self.send_data2([0xff] * int(self.height * linewidth)) - - self.send_command(0x12) + self.send_data2([0xff] * int(self.height * linewidth)) + + self.send_command(0x12) self.ReadBusy() def sleep(self): - self.send_command(0x02) # POWER_OFF + self.send_command(0x02) # POWER_OFF self.ReadBusy() - self.send_command(0x07) # DEEP_SLEEP + self.send_command(0x07) # DEEP_SLEEP self.send_data(0XA5) - + epdconfig.delay_ms(2000) epdconfig.module_exit() - -### END OF FILE ### +### END OF FILE ### From 0d59a1227e9286892bbba6644fa95576232570fe Mon Sep 17 00:00:00 2001 From: kmanc Date: Sat, 29 Oct 2022 13:26:57 -0700 Subject: [PATCH 3/4] Update epdconfig.py --- .../python/lib/waveshare_epd/epdconfig.py | 764 ++++-------------- 1 file changed, 156 insertions(+), 608 deletions(-) diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py index 127544d..489d8ad 100644 --- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py +++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py @@ -1,13 +1,13 @@ -# ***************************************************************************** -# * | File : epd4in2.py +# /***************************************************************************** +# * | File : epdconfig.py # * | Author : Waveshare team -# * | Function : Electronic paper driver +# * | Function : Hardware underlying interface # * | Info : # *---------------- -# * | This version: V4.2 +# * | This version: V1.2 # * | Date : 2022-10-29 -# # | Info : python demo -# ----------------------------------------------------------------------------- +# * | Info : +# ****************************************************************************** # 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 @@ -27,652 +27,200 @@ # THE SOFTWARE. # - +import os import logging -import epdconfig -from PIL import Image -import RPi.GPIO as GPIO - -# Display resolution -EPD_WIDTH = 400 -EPD_HEIGHT = 300 - -GRAY1 = 0xff # white -GRAY2 = 0xC0 -GRAY3 = 0x80 # gray -GRAY4 = 0x00 # Blackest +import sys +import time logger = logging.getLogger(__name__) -class EPD: +class RaspberryPi: + # Pin definition + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 + def __init__(self): - 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 - self.GRAY1 = GRAY1 # white - self.GRAY2 = GRAY2 - self.GRAY3 = GRAY3 # gray - self.GRAY4 = GRAY4 # Blackest - self.DATA = [0x00] * 15000 + import spidev + import RPi.GPIO - lut_vcom0 = [ - 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, - 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, - ] - lut_ww = [ - 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - lut_bw = [ - 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - lut_wb = [ - 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - lut_bb = [ - 0x20, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, - 0x10, 0x08, 0x08, 0x00, 0x00, 0x02, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - # ******************************partial screen update LUT*********************************/ - EPD_4IN2_Partial_lut_vcom1 = [ - 0x00, 0x01, 0x20, 0x01, 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, - ] + self.GPIO = RPi.GPIO + self.SPI = spidev.SpiDev() - EPD_4IN2_Partial_lut_ww1 = [ - 0x00, 0x01, 0x20, 0x01, 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, - ] + def digital_write(self, pin, value): + self.GPIO.output(pin, value) - EPD_4IN2_Partial_lut_bw1 = [ - 0x20, 0x01, 0x20, 0x01, 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, - ] + def digital_read(self, pin): + return self.GPIO.input(pin) - EPD_4IN2_Partial_lut_wb1 = [ - 0x10, 0x01, 0x20, 0x01, 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, - ] + def delay_ms(self, delaytime): + time.sleep(delaytime / 1000.0) - EPD_4IN2_Partial_lut_bb1 = [ - 0x00, 0x01, 0x20, 0x01, 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, - ] + def spi_writebyte(self, data): + self.SPI.writebytes(data) - # ******************************gray*********************************/ - # 0~3 gray - EPD_4IN2_4Gray_lut_vcom = [ - 0x00, 0x0A, 0x00, 0x00, 0x00, 0x01, - 0x60, 0x14, 0x14, 0x00, 0x00, 0x01, - 0x00, 0x14, 0x00, 0x00, 0x00, 0x01, - 0x00, 0x13, 0x0A, 0x01, 0x00, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - ] - # R21 - EPD_4IN2_4Gray_lut_ww = [ - 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, - 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, - 0x10, 0x14, 0x0A, 0x00, 0x00, 0x01, - 0xA0, 0x13, 0x01, 0x00, 0x00, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - # R22H r - EPD_4IN2_4Gray_lut_bw = [ - 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, - 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, - 0x00, 0x14, 0x0A, 0x00, 0x00, 0x01, - 0x99, 0x0C, 0x01, 0x03, 0x04, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - # R23H w - EPD_4IN2_4Gray_lut_wb = [ - 0x40, 0x0A, 0x00, 0x00, 0x00, 0x01, - 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, - 0x00, 0x14, 0x0A, 0x00, 0x00, 0x01, - 0x99, 0x0B, 0x04, 0x04, 0x01, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - # R24H b - EPD_4IN2_4Gray_lut_bb = [ - 0x80, 0x0A, 0x00, 0x00, 0x00, 0x01, - 0x90, 0x14, 0x14, 0x00, 0x00, 0x01, - 0x20, 0x14, 0x0A, 0x00, 0x00, 0x01, - 0x50, 0x13, 0x01, 0x00, 0x00, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] + def spi_writebyte2(self, data): + self.SPI.writebytes2(data) - # Hardware reset - def reset(self): - epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) - epdconfig.digital_write(self.reset_pin, 0) - epdconfig.delay_ms(10) - epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) - epdconfig.digital_write(self.reset_pin, 0) - epdconfig.delay_ms(10) - epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) - epdconfig.digital_write(self.reset_pin, 0) - epdconfig.delay_ms(10) - epdconfig.digital_write(self.reset_pin, 1) - epdconfig.delay_ms(10) + def module_init(self): + self.GPIO.setmode(self.GPIO.BCM) + self.GPIO.setwarnings(False) + self.GPIO.setup(self.RST_PIN, self.GPIO.OUT) + self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) + self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) + self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) - def send_command(self, command): - 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, 1) - epdconfig.digital_write(self.cs_pin, 0) - epdconfig.spi_writebyte([data]) - epdconfig.digital_write(self.cs_pin, 1) - - # send a lot of data - def send_data2(self, data): - epdconfig.digital_write(self.dc_pin, 1) - epdconfig.digital_write(self.cs_pin, 0) - epdconfig.spi_writebyte2(data) - epdconfig.digital_write(self.cs_pin, 1) - - def ReadBusy(self): - self.send_command(0x71) - while epdconfig.digital_read(self.busy_pin) == 0: # 0: idle, 1: busy - self.send_command(0x71) - epdconfig.delay_ms(100) - - def set_lut(self): - self.send_command(0x20) # vcom - self.send_data2(self.lut_vcom0) - - self.send_command(0x21) # ww -- - self.send_data2(self.lut_ww) - - self.send_command(0x22) # bw r - self.send_data2(self.lut_bw) - - self.send_command(0x23) # wb w - self.send_data2(self.lut_bb) - - self.send_command(0x24) # bb b - self.send_data2(self.lut_wb) - - def Partial_SetLut(self): - self.send_command(0x20) - self.send_data2(self.EPD_4IN2_Partial_lut_vcom1) - - self.send_command(0x21) - self.send_data2(self.EPD_4IN2_Partial_lut_ww1) - - self.send_command(0x22) - self.send_data2(self.EPD_4IN2_Partial_lut_bw1) - - self.send_command(0x23) - self.send_data2(self.EPD_4IN2_Partial_lut_wb1) - - self.send_command(0x24) - self.send_data2(self.EPD_4IN2_Partial_lut_bb1) - - def Gray_SetLut(self): - self.send_command(0x20) # vcom - self.send_data2(self.EPD_4IN2_4Gray_lut_vcom) - - self.send_command(0x21) # red not use - self.send_data2(self.EPD_4IN2_4Gray_lut_ww) - - self.send_command(0x22) # bw r - self.send_data2(self.EPD_4IN2_4Gray_lut_bw) - - self.send_command(0x23) # wb w - self.send_data2(self.EPD_4IN2_4Gray_lut_wb) - - self.send_command(0x24) # bb b - self.send_data2(self.EPD_4IN2_4Gray_lut_bb) - - self.send_command(0x25) # vcom - self.send_data2(self.EPD_4IN2_4Gray_lut_ww) - - def init(self): - if epdconfig.module_init() != 0: - return -1 - # EPD hardware init start - self.reset() - - self.send_command(0x01) # POWER SETTING - self.send_data(0x03) # VDS_EN, VDG_EN - self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] - self.send_data(0x2b) # VDH - self.send_data(0x2b) # VDL - - self.send_command(0x06) # boost soft start - self.send_data(0x17) - self.send_data(0x17) - self.send_data(0x17) - - self.send_command(0x04) # POWER_ON - self.ReadBusy() - - self.send_command(0x00) # panel setting - self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f - - self.send_command(0x30) # PLL setting - self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ - - self.send_command(0x61) # resolution setting - self.send_data(0x01) - self.send_data(0x90) # 128 - self.send_data(0x01) - self.send_data(0x2c) - - self.send_command(0x82) # vcom_DC setting - self.send_data(0x12) - - self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING - self.send_data( - 0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 - - self.set_lut() - # EPD hardware init end + # SPI device, bus = 0, device = 0 + self.SPI.open(0, 0) + self.SPI.max_speed_hz = 4000000 + self.SPI.mode = 0b00 return 0 - def init_Partial(self): - if epdconfig.module_init() != 0: - return -1 - # EPD hardware init start - self.reset() + def module_exit(self): + logger.debug("spi end") + self.SPI.close() - self.send_command(0x01) # POWER SETTING - self.send_data(0x03) # VDS_EN, VDG_EN - self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] - self.send_data(0x2b) # VDH - self.send_data(0x2b) # VDL + logger.debug("close 5V, Module enters 0 power consumption ...") + self.GPIO.output(self.RST_PIN, 0) + self.GPIO.output(self.DC_PIN, 0) - self.send_command(0x06) # boost soft start - self.send_data(0x17) - self.send_data(0x17) - self.send_data(0x17) + self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) - self.send_command(0x04) # POWER_ON - self.ReadBusy() - self.send_command(0x00) # panel setting - self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f +class JetsonNano: + # Pin definition + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 - self.send_command(0x30) # PLL setting - self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ + def __init__(self): + import ctypes + find_dirs = [ + os.path.dirname(os.path.realpath(__file__)), + '/usr/local/lib', + '/usr/lib', + ] + self.SPI = None + for find_dir in find_dirs: + so_filename = os.path.join(find_dir, 'sysfs_software_spi.so') + if os.path.exists(so_filename): + self.SPI = ctypes.cdll.LoadLibrary(so_filename) + break + if self.SPI is None: + raise RuntimeError('Cannot find sysfs_software_spi.so') - self.send_command(0x61) # resolution setting - self.send_data(0x01) - self.send_data(0x90) # 128 - self.send_data(0x01) - self.send_data(0x2c) + import Jetson.GPIO + self.GPIO = Jetson.GPIO - self.send_command(0x82) # vcom_DC setting - self.send_data(0x12) + def digital_write(self, pin, value): + self.GPIO.output(pin, value) - self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING - self.send_data( - 0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 + def digital_read(self, pin): + return self.GPIO.input(self.BUSY_PIN) - self.Partial_SetLut() - # EPD hardware init end + def delay_ms(self, delaytime): + time.sleep(delaytime / 1000.0) + + def spi_writebyte(self, data): + self.SPI.SYSFS_software_spi_transfer(data[0]) + + def spi_writebyte2(self, data): + for i in range(len(data)): + self.SPI.SYSFS_software_spi_transfer(data[i]) + + def module_init(self): + self.GPIO.setmode(self.GPIO.BCM) + self.GPIO.setwarnings(False) + self.GPIO.setup(self.RST_PIN, self.GPIO.OUT) + self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) + self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) + self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) + self.SPI.SYSFS_software_spi_begin() return 0 - def Init_4Gray(self): - if epdconfig.module_init() != 0: - return -1 - # EPD hardware init start - self.reset() + def module_exit(self): + logger.debug("spi end") + self.SPI.SYSFS_software_spi_end() - self.send_command(0x01) # POWER SETTING - self.send_data(0x03) - self.send_data(0x00) # VGH=20V,VGL=-20V - self.send_data(0x2b) # VDH=15V - self.send_data(0x2b) # VDL=-15V - self.send_data(0x13) + logger.debug("close 5V, Module enters 0 power consumption ...") + self.GPIO.output(self.RST_PIN, 0) + self.GPIO.output(self.DC_PIN, 0) - self.send_command(0x06) # booster soft start - self.send_data(0x17) # A - self.send_data(0x17) # B - self.send_data(0x17) # C + self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) - self.send_command(0x04) - self.ReadBusy() +class SunriseX3: + # Pin definition + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 + Flag = 0 - self.send_command(0x00) # panel setting - self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f + def __init__(self): + import spidev + import Hobot.GPIO - self.send_command(0x30) # PLL setting - self.send_data(0x3c) # 100hz + self.GPIO = Hobot.GPIO + self.SPI = spidev.SpiDev() - self.send_command(0x61) # resolution setting - self.send_data(0x01) # 400 - self.send_data(0x90) - self.send_data(0x01) # 300 - self.send_data(0x2c) + def digital_write(self, pin, value): + self.GPIO.output(pin, value) - self.send_command(0x82) # vcom_DC setting - self.send_data(0x12) + def digital_read(self, pin): + return self.GPIO.input(pin) - self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING - self.send_data(0x97) + def delay_ms(self, delaytime): + time.sleep(delaytime / 1000.0) - def getbuffer(self, image): - # logger.debug("bufsiz = ",int(self.width/8) * self.height) - buf = [0xFF] * (int(self.width / 8) * self.height) - image_monocolor = image.convert('1') - imwidth, imheight = image_monocolor.size - pixels = image_monocolor.load() - # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight) - if imwidth == self.width and imheight == self.height: - logger.debug("Horizontal") - for y in range(imheight): - for x in range(imwidth): - # Set the bits for the column of pixels at the current position. - if pixels[x, y] == 0: - buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8)) - elif imwidth == self.height and imheight == self.width: - logger.debug("Vertical") - for y in range(imheight): - for x in range(imwidth): - newx = y - newy = self.height - x - 1 - if pixels[x, y] == 0: - buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8)) - return buf + def spi_writebyte(self, data): + self.SPI.writebytes(data) - def getbuffer_4Gray(self, image): - # logger.debug("bufsiz = ",int(self.width/8) * self.height) - buf = [0xFF] * (int(self.width / 4) * self.height) - image_monocolor = image.convert('L') - imwidth, imheight = image_monocolor.size - pixels = image_monocolor.load() - i = 0 - # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight) - if imwidth == self.width and imheight == self.height: - logger.debug("Vertical") - for y in range(imheight): - for x in range(imwidth): - # Set the bits for the column of pixels at the current position. - if pixels[x, y] == 0xC0: - pixels[x, y] = 0x80 - elif pixels[x, y] == 0x80: - pixels[x, y] = 0x40 - i = i + 1 - if i % 4 == 0: - buf[int((x + (y * self.width)) / 4)] = ( - (pixels[x - 3, y] & 0xc0) | (pixels[x - 2, y] & 0xc0) >> 2 | ( - pixels[x - 1, y] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6) + def spi_writebyte2(self, data): + # for i in range(len(data)): + # self.SPI.writebytes([data[i]]) + self.SPI.xfer3(data) - elif imwidth == self.height and imheight == self.width: - logger.debug("Horizontal") - for x in range(imwidth): - for y in range(imheight): - newx = y - newy = x - if pixels[x, y] == 0xC0: - pixels[x, y] = 0x80 - elif pixels[x, y] == 0x80: - pixels[x, y] = 0x40 - i = i + 1 - if i % 4 == 0: - buf[int((newx + (newy * self.width)) / 4)] = ( - (pixels[x, y - 3] & 0xc0) | (pixels[x, y - 2] & 0xc0) >> 2 | ( - pixels[x, y - 1] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6) + def module_init(self): + if self.Flag == 0 : + self.Flag = 1 + self.GPIO.setmode(self.GPIO.BCM) + self.GPIO.setwarnings(False) + self.GPIO.setup(self.RST_PIN, self.GPIO.OUT) + self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) + self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) + self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) - return buf + # SPI device, bus = 0, device = 0 + self.SPI.open(2, 0) + self.SPI.max_speed_hz = 4000000 + self.SPI.mode = 0b00 + return 0 + else : + return 0 - def display(self, image): - if self.width % 8 == 0: - linewidth = int(self.width / 8) - else: - linewidth = int(self.width / 8) + 1 + def module_exit(self): + logger.debug("spi end") + self.SPI.close() - self.send_command(0x92) - self.set_lut() - self.send_command(0x10) - self.send_data2([0xFF] * int(self.width * linewidth)) + logger.debug("close 5V, Module enters 0 power consumption ...") + self.Flag = 0 + self.GPIO.output(self.RST_PIN, 0) + self.GPIO.output(self.DC_PIN, 0) - self.send_command(0x13) - self.send_data2(image) + self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) - self.send_command(0x12) - self.ReadBusy() +if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'): + implementation = RaspberryPi() +elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'): + implementation = SunriseX3() +else: + implementation = JetsonNano() - def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image): - # EPD_WIDTH = 400 - # EPD_HEIGHT = 300 +for func in [x for x in dir(implementation) if not x.startswith('_')]: + setattr(sys.modules[__name__], func, getattr(implementation, func)) - if EPD_WIDTH % 8 != 0: - Width = int(EPD_WIDTH / 8) + 1 - else: - Width = int(EPD_WIDTH / 8) - Height = EPD_HEIGHT - - if X_start % 8 != 0: - X_start = int(X_start / 8) + 1 - else: - X_start = int(X_start / 8) - if X_end % 8 != 0: - X_end = int(X_end / 8) + 1 - else: - X_end = int(X_end / 8) - - buf = [0x00] * (Y_end - Y_start) * (X_end - X_start) - - self.send_command(0x91) # This command makes the display enter partial mode - self.send_command(0x90) # resolution setting - self.send_data(int(X_start * 8 / 256)) - self.send_data(int(X_start * 8 % 256)) # x-start - - self.send_data(int(X_end * 8 / 256)) - self.send_data(int(X_end * 8 % 256) - 1) # x-end - - self.send_data(int(Y_start / 256)) - self.send_data(int(Y_start % 256)) # y-start - - self.send_data(int(Y_end / 256)) - self.send_data(int(Y_end % 256) - 1) # y-end - self.send_data(0x28) - - self.send_command(0x10) # writes Old data to SRAM for programming - for j in range(0, Y_end - Y_start): - for i in range(0, X_end - X_start): - buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i] - self.send_data2(buf) - - self.send_command(0x13) # writes New data to SRAM. - for j in range(0, Y_end - Y_start): - for i in range(0, X_end - X_start): - buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j) * Width + X_start + i] - self.DATA[(Y_start + j) * Width + X_start + i] = ~Image[(Y_start + j) * Width + X_start / 8 + i] - self.send_data2(buf) - - self.send_command(0x12) # DISPLAY REFRESH - epdconfig.delay_ms(200) # The delay here is necessary, 200uS at least!!! - self.ReadBusy() - - def display_4Gray(self, image): - self.send_command(0x92) - self.set_lut() - self.send_command(0x10) - - if self.width % 8 == 0: - linewidth = int(self.width / 8) - else: - linewidth = int(self.width / 8) + 1 - - buf = [0x00] * self.height * linewidth - - for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4 - temp3 = 0 - for j in range(0, 2): - temp1 = image[i * 2 + j] - for k in range(0, 2): - temp2 = temp1 & 0xC0 - if temp2 == 0xC0: - temp3 |= 0x01 # white - elif temp2 == 0x00: - temp3 |= 0x00 # black - elif temp2 == 0x80: - temp3 |= 0x01 # gray1 - else: # 0x40 - temp3 |= 0x00 # gray2 - temp3 <<= 1 - - temp1 <<= 2 - temp2 = temp1 & 0xC0 - if temp2 == 0xC0: # white - temp3 |= 0x01 - elif temp2 == 0x00: # black - temp3 |= 0x00 - elif temp2 == 0x80: - temp3 |= 0x01 # gray1 - else: # 0x40 - temp3 |= 0x00 # gray2 - if j != 1 or k != 1: - temp3 <<= 1 - temp1 <<= 2 - buf[i] = temp3 - self.send_data2(buf) - - self.send_command(0x13) - - for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # 5808*4 46464 - temp3 = 0 - for j in range(0, 2): - temp1 = image[i * 2 + j] - for k in range(0, 2): - temp2 = temp1 & 0xC0 - if temp2 == 0xC0: - temp3 |= 0x01 # white - elif temp2 == 0x00: - temp3 |= 0x00 # black - elif temp2 == 0x80: - temp3 |= 0x00 # gray1 - else: # 0x40 - temp3 |= 0x01 # gray2 - temp3 <<= 1 - - temp1 <<= 2 - temp2 = temp1 & 0xC0 - if temp2 == 0xC0: # white - temp3 |= 0x01 - elif temp2 == 0x00: # black - temp3 |= 0x00 - elif temp2 == 0x80: - temp3 |= 0x00 # gray1 - else: # 0x40 - temp3 |= 0x01 # gray2 - if j != 1 or k != 1: - temp3 <<= 1 - temp1 <<= 2 - buf[i] = temp3 - self.send_data2(buf) - - self.Gray_SetLut() - self.send_command(0x12) - epdconfig.delay_ms(200) - self.ReadBusy() - # pass - - def Clear(self): - if self.width % 8 == 0: - linewidth = int(self.width / 8) - else: - linewidth = int(self.width / 8) + 1 - - self.send_command(0x10) - self.send_data2([0xff] * int(self.height * linewidth)) - - self.send_command(0x13) - self.send_data2([0xff] * int(self.height * linewidth)) - - self.send_command(0x12) - self.ReadBusy() - - def sleep(self): - self.send_command(0x02) # POWER_OFF - self.ReadBusy() - self.send_command(0x07) # DEEP_SLEEP - self.send_data(0XA5) - - epdconfig.delay_ms(2000) - epdconfig.module_exit() ### END OF FILE ### From b6a218a8e7c54ee43d85abc4aa1fa73ff30432c4 Mon Sep 17 00:00:00 2001 From: kmanc Date: Sat, 29 Oct 2022 13:29:31 -0700 Subject: [PATCH 4/4] Update epdconfig.py --- .../python/lib/waveshare_epd/epdconfig.py | 33 ++++++++++--------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py index 489d8ad..d1fb812 100644 --- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py +++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py @@ -37,10 +37,10 @@ logger = logging.getLogger(__name__) class RaspberryPi: # Pin definition - RST_PIN = 17 - DC_PIN = 25 - CS_PIN = 8 - BUSY_PIN = 24 + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 def __init__(self): import spidev @@ -91,10 +91,10 @@ class RaspberryPi: class JetsonNano: # Pin definition - RST_PIN = 17 - DC_PIN = 25 - CS_PIN = 8 - BUSY_PIN = 24 + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 def __init__(self): import ctypes @@ -151,13 +151,14 @@ class JetsonNano: self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) + class SunriseX3: # Pin definition - RST_PIN = 17 - DC_PIN = 25 - CS_PIN = 8 - BUSY_PIN = 24 - Flag = 0 + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 + Flag = 0 def __init__(self): import spidev @@ -184,7 +185,7 @@ class SunriseX3: self.SPI.xfer3(data) def module_init(self): - if self.Flag == 0 : + if self.Flag == 0: self.Flag = 1 self.GPIO.setmode(self.GPIO.BCM) self.GPIO.setwarnings(False) @@ -198,7 +199,7 @@ class SunriseX3: self.SPI.max_speed_hz = 4000000 self.SPI.mode = 0b00 return 0 - else : + else: return 0 def module_exit(self): @@ -212,6 +213,7 @@ class SunriseX3: self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN]) + if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'): implementation = RaspberryPi() elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'): @@ -222,5 +224,4 @@ else: for func in [x for x in dir(implementation) if not x.startswith('_')]: setattr(sys.modules[__name__], func, getattr(implementation, func)) - ### END OF FILE ###