Added 2.9inch display libraries
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pwnagotchi/ui/hw/libs/waveshare/v29inch/epd2in9.py
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pwnagotchi/ui/hw/libs/waveshare/v29inch/epd2in9.py
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# *****************************************************************************
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# * | File : epd2in9.py
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# * | Author : Waveshare team
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# * | Function : Electronic paper driver
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# * | Info :
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# *----------------
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# * | This version: V4.0
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# * | Date : 2019-06-20
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# # | Info : python demo
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# -----------------------------------------------------------------------------
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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import logging
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from . import epdconfig
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# Display resolution
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EPD_WIDTH = 128
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EPD_HEIGHT = 296
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class EPD:
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def __init__(self):
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self.reset_pin = epdconfig.RST_PIN
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self.dc_pin = epdconfig.DC_PIN
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self.busy_pin = epdconfig.BUSY_PIN
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self.cs_pin = epdconfig.CS_PIN
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self.width = EPD_WIDTH
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self.height = EPD_HEIGHT
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lut_full_update = [
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0x50, 0xAA, 0x55, 0xAA, 0x11, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0xFF, 0xFF, 0x1F, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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]
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lut_partial_update = [
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0x10, 0x18, 0x18, 0x08, 0x18, 0x18,
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0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x13, 0x14, 0x44, 0x12,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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]
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# Hardware reset
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def reset(self):
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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epdconfig.digital_write(self.reset_pin, 0)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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def send_command(self, command):
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epdconfig.digital_write(self.dc_pin, 0)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([command])
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epdconfig.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([data])
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epdconfig.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
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epdconfig.delay_ms(200)
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def TurnOnDisplay(self):
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self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
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self.send_data(0xC4)
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self.send_command(0x20) # MASTER_ACTIVATION
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self.send_command(0xFF) # TERMINATE_FRAME_READ_WRITE
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logging.debug("e-Paper busy")
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self.ReadBusy()
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logging.debug("e-Paper busy release")
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def SetWindow(self, x_start, y_start, x_end, y_end):
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self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
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# x point must be the multiple of 8 or the last 3 bits will be ignored
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self.send_data((x_start >> 3) & 0xFF)
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self.send_data((x_end >> 3) & 0xFF)
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self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
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self.send_data(y_start & 0xFF)
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self.send_data((y_start >> 8) & 0xFF)
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self.send_data(y_end & 0xFF)
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self.send_data((y_end >> 8) & 0xFF)
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def SetCursor(self, x, y):
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self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
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# x point must be the multiple of 8 or the last 3 bits will be ignored
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self.send_data((x >> 3) & 0xFF)
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self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
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self.send_data(y & 0xFF)
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self.send_data((y >> 8) & 0xFF)
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self.ReadBusy()
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def init(self, lut):
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if (epdconfig.module_init() != 0):
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x01) # DRIVER_OUTPUT_CONTROL
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self.send_data((EPD_HEIGHT - 1) & 0xFF)
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self.send_data(((EPD_HEIGHT - 1) >> 8) & 0xFF)
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self.send_data(0x00) # GD = 0 SM = 0 TB = 0
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self.send_command(0x0C) # BOOSTER_SOFT_START_CONTROL
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self.send_data(0xD7)
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self.send_data(0xD6)
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self.send_data(0x9D)
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self.send_command(0x2C) # WRITE_VCOM_REGISTER
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self.send_data(0xA8) # VCOM 7C
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self.send_command(0x3A) # SET_DUMMY_LINE_PERIOD
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self.send_data(0x1A) # 4 dummy lines per gate
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self.send_command(0x3B) # SET_GATE_TIME
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self.send_data(0x08) # 2us per line
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self.send_command(0x11) # DATA_ENTRY_MODE_SETTING
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self.send_data(0x03) # X increment Y increment
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self.send_command(0x32) # WRITE_LUT_REGISTER
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for i in range(0, len(lut)):
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self.send_data(lut[i])
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# EPD hardware init end
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return 0
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def getbuffer(self, image):
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# logging.debug("bufsiz = ",int(self.width/8) * self.height)
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buf = [0xFF] * (int(self.width/8) * self.height)
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image_monocolor = image.convert('1')
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imwidth, imheight = image_monocolor.size
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pixels = image_monocolor.load()
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# logging.debug("imwidth = %d, imheight = %d",imwidth,imheight)
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if(imwidth == self.width and imheight == self.height):
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logging.debug("Vertical")
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for y in range(imheight):
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for x in range(imwidth):
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# Set the bits for the column of pixels at the current position.
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if pixels[x, y] == 0:
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buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
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elif(imwidth == self.height and imheight == self.width):
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logging.debug("Horizontal")
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for y in range(imheight):
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for x in range(imwidth):
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newx = y
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newy = self.height - x - 1
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if pixels[x, y] == 0:
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buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8))
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return buf
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def display(self, image):
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if (image == None):
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return
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self.SetWindow(0, 0, self.width - 1, self.height - 1)
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for j in range(0, self.height):
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self.SetCursor(0, j)
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self.send_command(0x24) # WRITE_RAM
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for i in range(0, int(self.width / 8)):
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self.send_data(image[i + j * int(self.width / 8)])
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self.TurnOnDisplay()
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def Clear(self, color):
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self.SetWindow(0, 0, self.width - 1, self.height - 1)
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for j in range(0, self.height):
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self.SetCursor(0, j)
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self.send_command(0x24) # WRITE_RAM
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for i in range(0, int(self.width / 8)):
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self.send_data(color)
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self.TurnOnDisplay()
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def sleep(self):
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self.send_command(0x10) # DEEP_SLEEP_MODE
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self.send_data(0x01)
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epdconfig.module_exit()
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### END OF FILE ###
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154
pwnagotchi/ui/hw/libs/waveshare/v29inch/epdconfig.py
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pwnagotchi/ui/hw/libs/waveshare/v29inch/epdconfig.py
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# /*****************************************************************************
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# * | File : epdconfig.py
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# * | Author : Waveshare team
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# * | Function : Hardware underlying interface
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# * | Info :
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# *----------------
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# * | This version: V1.0
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# * | Date : 2019-06-21
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# * | Info :
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# ******************************************************************************
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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import os
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import logging
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import sys
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import time
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class RaspberryPi:
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# Pin definition
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RST_PIN = 17
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DC_PIN = 25
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CS_PIN = 8
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BUSY_PIN = 24
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def __init__(self):
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import spidev
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import RPi.GPIO
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self.GPIO = RPi.GPIO
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# SPI device, bus = 0, device = 0
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self.SPI = spidev.SpiDev(0, 0)
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def digital_write(self, pin, value):
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self.GPIO.output(pin, value)
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def digital_read(self, pin):
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return self.GPIO.input(pin)
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def delay_ms(self, delaytime):
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time.sleep(delaytime / 1000.0)
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def spi_writebyte(self, data):
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self.SPI.writebytes(data)
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def module_init(self):
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self.GPIO.setmode(self.GPIO.BCM)
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self.GPIO.setwarnings(False)
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self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
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self.SPI.max_speed_hz = 4000000
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self.SPI.mode = 0b00
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return 0
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def module_exit(self):
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logging.debug("spi end")
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self.SPI.close()
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logging.debug("close 5V, Module enters 0 power consumption ...")
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self.GPIO.output(self.RST_PIN, 0)
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self.GPIO.output(self.DC_PIN, 0)
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self.GPIO.cleanup()
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class JetsonNano:
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# Pin definition
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RST_PIN = 17
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DC_PIN = 25
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CS_PIN = 8
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BUSY_PIN = 24
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def __init__(self):
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import ctypes
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find_dirs = [
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os.path.dirname(os.path.realpath(__file__)),
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'/usr/local/lib',
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'/usr/lib',
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]
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self.SPI = None
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for find_dir in find_dirs:
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so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
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if os.path.exists(so_filename):
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self.SPI = ctypes.cdll.LoadLibrary(so_filename)
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break
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if self.SPI is None:
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raise RuntimeError('Cannot find sysfs_software_spi.so')
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import Jetson.GPIO
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self.GPIO = Jetson.GPIO
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def digital_write(self, pin, value):
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self.GPIO.output(pin, value)
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def digital_read(self, pin):
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return self.GPIO.input(self.BUSY_PIN)
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def delay_ms(self, delaytime):
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time.sleep(delaytime / 1000.0)
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def spi_writebyte(self, data):
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self.SPI.SYSFS_software_spi_transfer(data[0])
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def module_init(self):
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self.GPIO.setmode(self.GPIO.BCM)
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self.GPIO.setwarnings(False)
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self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
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self.SPI.SYSFS_software_spi_begin()
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return 0
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def module_exit(self):
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logging.debug("spi end")
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self.SPI.SYSFS_software_spi_end()
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logging.debug("close 5V, Module enters 0 power consumption ...")
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self.GPIO.output(self.RST_PIN, 0)
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self.GPIO.output(self.DC_PIN, 0)
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self.GPIO.cleanup()
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if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
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implementation = RaspberryPi()
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else:
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implementation = JetsonNano()
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for func in [x for x in dir(implementation) if not x.startswith('_')]:
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setattr(sys.modules[__name__], func, getattr(implementation, func))
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### END OF FILE ###
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