From d2726c1a141a6f4a2f5c8de361ef9aba1c71c697 Mon Sep 17 00:00:00 2001 From: opteeks <40588772+opteeks@users.noreply.github.com> Date: Wed, 30 Oct 2019 22:56:02 -0700 Subject: [PATCH] Added 2.9inch display libraries --- .../ui/hw/libs/waveshare/v29inch/epd2in9.py | 201 ++++++++++++++++++ .../ui/hw/libs/waveshare/v29inch/epdconfig.py | 154 ++++++++++++++ 2 files changed, 355 insertions(+) create mode 100644 pwnagotchi/ui/hw/libs/waveshare/v29inch/epd2in9.py create mode 100644 pwnagotchi/ui/hw/libs/waveshare/v29inch/epdconfig.py diff --git a/pwnagotchi/ui/hw/libs/waveshare/v29inch/epd2in9.py b/pwnagotchi/ui/hw/libs/waveshare/v29inch/epd2in9.py new file mode 100644 index 0000000..80671a4 --- /dev/null +++ b/pwnagotchi/ui/hw/libs/waveshare/v29inch/epd2in9.py @@ -0,0 +1,201 @@ +# ***************************************************************************** +# * | File : epd2in9.py +# * | Author : Waveshare team +# * | Function : Electronic paper driver +# * | Info : +# *---------------- +# * | 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 +# copies of the Software, and to permit persons to whom the Software is +# furished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. +# + +import logging +from . import epdconfig + +# Display resolution +EPD_WIDTH = 128 +EPD_HEIGHT = 296 + +class EPD: + 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 + + lut_full_update = [ + 0x50, 0xAA, 0x55, 0xAA, 0x11, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xFF, 0xFF, 0x1F, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + ] + + lut_partial_update = [ + 0x10, 0x18, 0x18, 0x08, 0x18, 0x18, + 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x13, 0x14, 0x44, 0x12, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + ] + + # Hardware reset + def reset(self): + epdconfig.digital_write(self.reset_pin, 1) + epdconfig.delay_ms(200) + 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, 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) + + def ReadBusy(self): + while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy + epdconfig.delay_ms(200) + + def TurnOnDisplay(self): + self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2 + self.send_data(0xC4) + self.send_command(0x20) # MASTER_ACTIVATION + self.send_command(0xFF) # TERMINATE_FRAME_READ_WRITE + + logging.debug("e-Paper busy") + self.ReadBusy() + logging.debug("e-Paper busy release") + + def SetWindow(self, x_start, y_start, x_end, y_end): + self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION + # x point must be the multiple of 8 or the last 3 bits will be ignored + self.send_data((x_start >> 3) & 0xFF) + self.send_data((x_end >> 3) & 0xFF) + self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION + self.send_data(y_start & 0xFF) + self.send_data((y_start >> 8) & 0xFF) + self.send_data(y_end & 0xFF) + self.send_data((y_end >> 8) & 0xFF) + + def SetCursor(self, x, y): + self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER + # x point must be the multiple of 8 or the last 3 bits will be ignored + self.send_data((x >> 3) & 0xFF) + self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER + self.send_data(y & 0xFF) + self.send_data((y >> 8) & 0xFF) + self.ReadBusy() + + def init(self, lut): + if (epdconfig.module_init() != 0): + return -1 + # EPD hardware init start + self.reset() + + self.send_command(0x01) # DRIVER_OUTPUT_CONTROL + self.send_data((EPD_HEIGHT - 1) & 0xFF) + self.send_data(((EPD_HEIGHT - 1) >> 8) & 0xFF) + self.send_data(0x00) # GD = 0 SM = 0 TB = 0 + + self.send_command(0x0C) # BOOSTER_SOFT_START_CONTROL + self.send_data(0xD7) + self.send_data(0xD6) + self.send_data(0x9D) + + self.send_command(0x2C) # WRITE_VCOM_REGISTER + self.send_data(0xA8) # VCOM 7C + + self.send_command(0x3A) # SET_DUMMY_LINE_PERIOD + self.send_data(0x1A) # 4 dummy lines per gate + + self.send_command(0x3B) # SET_GATE_TIME + self.send_data(0x08) # 2us per line + + self.send_command(0x11) # DATA_ENTRY_MODE_SETTING + self.send_data(0x03) # X increment Y increment + + self.send_command(0x32) # WRITE_LUT_REGISTER + for i in range(0, len(lut)): + self.send_data(lut[i]) + # EPD hardware init end + return 0 + + def getbuffer(self, image): + # logging.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() + # logging.debug("imwidth = %d, imheight = %d",imwidth,imheight) + if(imwidth == self.width and imheight == self.height): + logging.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] == 0: + buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8)) + elif(imwidth == self.height and imheight == self.width): + 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: + buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8)) + return buf + + def display(self, image): + if (image == None): + return + self.SetWindow(0, 0, self.width - 1, self.height - 1) + for j in range(0, self.height): + self.SetCursor(0, j) + self.send_command(0x24) # WRITE_RAM + for i in range(0, int(self.width / 8)): + self.send_data(image[i + j * int(self.width / 8)]) + self.TurnOnDisplay() + + def Clear(self, color): + self.SetWindow(0, 0, self.width - 1, self.height - 1) + for j in range(0, self.height): + self.SetCursor(0, j) + self.send_command(0x24) # WRITE_RAM + for i in range(0, int(self.width / 8)): + self.send_data(color) + self.TurnOnDisplay() + + def sleep(self): + self.send_command(0x10) # DEEP_SLEEP_MODE + self.send_data(0x01) + + epdconfig.module_exit() +### END OF FILE ### + diff --git a/pwnagotchi/ui/hw/libs/waveshare/v29inch/epdconfig.py b/pwnagotchi/ui/hw/libs/waveshare/v29inch/epdconfig.py new file mode 100644 index 0000000..861f43d --- /dev/null +++ b/pwnagotchi/ui/hw/libs/waveshare/v29inch/epdconfig.py @@ -0,0 +1,154 @@ +# /***************************************************************************** +# * | File : epdconfig.py +# * | Author : Waveshare team +# * | Function : Hardware underlying interface +# * | Info : +# *---------------- +# * | This version: V1.0 +# * | Date : 2019-06-21 +# * | 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 +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. +# + +import os +import logging +import sys +import time + + +class RaspberryPi: + # Pin definition + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 + + def __init__(self): + import spidev + import RPi.GPIO + + self.GPIO = RPi.GPIO + + # SPI device, bus = 0, device = 0 + self.SPI = spidev.SpiDev(0, 0) + + def digital_write(self, pin, value): + self.GPIO.output(pin, value) + + def digital_read(self, pin): + return self.GPIO.input(pin) + + def delay_ms(self, delaytime): + time.sleep(delaytime / 1000.0) + + def spi_writebyte(self, data): + self.SPI.writebytes(data) + + 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.max_speed_hz = 4000000 + self.SPI.mode = 0b00 + return 0 + + def module_exit(self): + logging.debug("spi end") + self.SPI.close() + + logging.debug("close 5V, Module enters 0 power consumption ...") + self.GPIO.output(self.RST_PIN, 0) + self.GPIO.output(self.DC_PIN, 0) + + self.GPIO.cleanup() + + +class JetsonNano: + # Pin definition + RST_PIN = 17 + DC_PIN = 25 + CS_PIN = 8 + BUSY_PIN = 24 + + 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') + + import Jetson.GPIO + self.GPIO = Jetson.GPIO + + def digital_write(self, pin, value): + self.GPIO.output(pin, value) + + def digital_read(self, pin): + return self.GPIO.input(self.BUSY_PIN) + + def delay_ms(self, delaytime): + time.sleep(delaytime / 1000.0) + + def spi_writebyte(self, data): + self.SPI.SYSFS_software_spi_transfer(data[0]) + + 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 module_exit(self): + logging.debug("spi end") + self.SPI.SYSFS_software_spi_end() + + logging.debug("close 5V, Module enters 0 power consumption ...") + self.GPIO.output(self.RST_PIN, 0) + self.GPIO.output(self.DC_PIN, 0) + + self.GPIO.cleanup() + + +if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'): + implementation = RaspberryPi() +else: + implementation = JetsonNano() + +for func in [x for x in dir(implementation) if not x.startswith('_')]: + setattr(sys.modules[__name__], func, getattr(implementation, func)) + + +### END OF FILE ###