629989ce22
This fixes an issue after a driver update where Inkycal would only run for the first run, but not continue rendering images. Cause was an error in the waveshare driver code
281 lines
8.3 KiB
Python
281 lines
8.3 KiB
Python
"""
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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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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation 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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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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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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import os
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import subprocess
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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 gpiozero
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self.SPI = spidev.SpiDev()
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self.GPIO_RST_PIN = gpiozero.LED(self.RST_PIN)
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self.GPIO_DC_PIN = gpiozero.LED(self.DC_PIN)
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# self.GPIO_CS_PIN = gpiozero.LED(self.CS_PIN)
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self.GPIO_PWR_PIN = gpiozero.LED(self.PWR_PIN)
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self.GPIO_BUSY_PIN = gpiozero.Button(self.BUSY_PIN, pull_up=False)
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def digital_write(self, pin, value):
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if pin == self.RST_PIN:
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if value:
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self.GPIO_RST_PIN.on()
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else:
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self.GPIO_RST_PIN.off()
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elif pin == self.DC_PIN:
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if value:
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self.GPIO_DC_PIN.on()
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else:
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self.GPIO_DC_PIN.off()
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# elif pin == self.CS_PIN:
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# if value:
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# self.GPIO_CS_PIN.on()
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# else:
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# self.GPIO_CS_PIN.off()
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elif pin == self.PWR_PIN:
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if value:
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self.GPIO_PWR_PIN.on()
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else:
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self.GPIO_PWR_PIN.off()
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def digital_read(self, pin):
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if pin == self.BUSY_PIN:
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return self.GPIO_BUSY_PIN.value
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elif pin == self.RST_PIN:
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return self.RST_PIN.value
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elif pin == self.DC_PIN:
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return self.DC_PIN.value
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# elif pin == self.CS_PIN:
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# return self.CS_PIN.value
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elif pin == self.PWR_PIN:
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return self.PWR_PIN.value
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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_PWR_PIN.on()
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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, cleanup=False):
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logger.debug("spi end")
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self.SPI.close()
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self.GPIO_RST_PIN.off()
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self.GPIO_DC_PIN.off()
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self.GPIO_PWR_PIN.off()
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logger.debug("close 5V, Module enters 0 power consumption ...")
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if cleanup:
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self.GPIO_RST_PIN.close()
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self.GPIO_DC_PIN.close()
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# self.GPIO_CS_PIN.close()
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self.GPIO_PWR_PIN.close()
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self.GPIO_BUSY_PIN.close()
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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 sys.version_info[0] == 2:
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process = subprocess.Popen("cat /proc/cpuinfo | grep Raspberry", shell=True, stdout=subprocess.PIPE)
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else:
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process = subprocess.Popen("cat /proc/cpuinfo | grep Raspberry", shell=True, stdout=subprocess.PIPE, text=True)
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output, _ = process.communicate()
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if sys.version_info[0] == 2:
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output = output.decode(sys.stdout.encoding)
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if "Raspberry" in output:
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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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