119 lines
1.8 KiB
Python
119 lines
1.8 KiB
Python
# display/epdconfig.py
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import logging
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import time
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logger = logging.getLogger(__name__)
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class DummyGPIO:
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BCM = OUT = IN = 0
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@staticmethod
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def setmode(*args):
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pass
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@staticmethod
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def setwarnings(*args):
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pass
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@staticmethod
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def setup(*args):
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pass
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@staticmethod
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def output(*args):
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pass
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@staticmethod
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def input(*args):
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return 0
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@staticmethod
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def cleanup(*args):
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pass
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class DummySPI:
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max_speed_hz = 4000000
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mode = 0b00
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@staticmethod
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def open(*args):
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pass
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@staticmethod
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def writebytes(*args):
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pass
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@staticmethod
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def writebytes2(*args):
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pass
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@staticmethod
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def close():
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pass
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try:
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import RPi.GPIO as GPIO
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import spidev
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SPI = spidev.SpiDev()
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except ImportError:
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logger.warning(
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"RPi.GPIO or spidev not found. Using Dummy hardware drivers (Test Mode)."
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)
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GPIO = DummyGPIO()
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SPI = DummySPI()
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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 digital_write(pin, value):
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GPIO.output(pin, value)
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def digital_read(pin):
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return GPIO.input(pin)
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def delay_ms(delaytime):
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time.sleep(delaytime / 1000.0)
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def spi_writebyte(data):
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SPI.writebytes(data)
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def spi_writebyte2(data):
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SPI.writebytes2(data)
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def module_init():
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GPIO.setmode(GPIO.BCM)
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GPIO.setwarnings(False)
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GPIO.setup(RST_PIN, GPIO.OUT)
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GPIO.setup(DC_PIN, GPIO.OUT)
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GPIO.setup(CS_PIN, GPIO.OUT)
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GPIO.setup(PWR_PIN, GPIO.OUT)
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GPIO.setup(BUSY_PIN, GPIO.IN)
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GPIO.output(PWR_PIN, 1)
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SPI.open(0, 0)
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SPI.max_speed_hz = 4000000
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SPI.mode = 0b00
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return 0
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def module_exit():
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SPI.close()
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GPIO.output(RST_PIN, 0)
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GPIO.output(DC_PIN, 0)
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GPIO.output(PWR_PIN, 0)
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GPIO.cleanup([RST_PIN, DC_PIN, CS_PIN, BUSY_PIN, PWR_PIN])
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