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 ###