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Jeroen Oudshoorn
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pwnagotchi/ui/hw/libs/waveshare/epdconfig.py
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243
pwnagotchi/ui/hw/libs/waveshare/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: V1.2
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# * | Date : 2022-10-29
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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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logger = logging.getLogger(__name__)
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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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PWR_PIN = 18
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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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self.SPI = spidev.SpiDev()
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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 spi_writebyte2(self, data):
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self.SPI.writebytes2(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.PWR_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
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self.GPIO.output(self.PWR_PIN, 1)
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# SPI device, bus = 0, device = 0
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self.SPI.open(0, 0)
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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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logger.debug("spi end")
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self.SPI.close()
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logger.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.output(self.PWR_PIN, 0)
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self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN, self.PWR_PIN])
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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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PWR_PIN = 18
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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 spi_writebyte2(self, data):
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for i in range(len(data)):
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self.SPI.SYSFS_software_spi_transfer(data[i])
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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.PWR_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
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self.GPIO.output(self.PWR_PIN, 1)
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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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logger.debug("spi end")
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self.SPI.SYSFS_software_spi_end()
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logger.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.output(self.PWR_PIN, 0)
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self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN, self.PWR_PIN])
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class SunriseX3:
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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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PWR_PIN = 18
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Flag = 0
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def __init__(self):
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import spidev
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import Hobot.GPIO
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self.GPIO = Hobot.GPIO
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self.SPI = spidev.SpiDev()
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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 spi_writebyte2(self, data):
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# for i in range(len(data)):
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# self.SPI.writebytes([data[i]])
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self.SPI.xfer3(data)
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def module_init(self):
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if self.Flag == 0:
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self.Flag = 1
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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.PWR_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
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self.GPIO.output(self.PWR_PIN, 1)
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# SPI device, bus = 0, device = 0
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self.SPI.open(2, 0)
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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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else:
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return 0
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def module_exit(self):
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logger.debug("spi end")
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self.SPI.close()
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logger.debug("close 5V, Module enters 0 power consumption ...")
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self.Flag = 0
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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.output(self.PWR_PIN, 0)
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self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN], self.PWR_PIN)
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if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
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implementation = RaspberryPi()
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elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'):
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implementation = SunriseX3()
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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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