37 lines
740 B
Python
37 lines
740 B
Python
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import spidev
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import RPi.GPIO as GPIO
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import time
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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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# SPI device, bus = 0, device = 0
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SPI = spidev.SpiDev(0, 0)
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#SPI.no_cs = True
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def epd_digital_write(pin, value):
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GPIO.output(pin, value)
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def epd_digital_read(pin):
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return GPIO.input(BUSY_PIN)
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def epd_delay_ms(delaytime):
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time.sleep(delaytime / 1000.0)
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def spi_transfer(data):
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SPI.writebytes(data)
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def epd_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(BUSY_PIN, GPIO.IN)
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SPI.max_speed_hz = 2000000
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SPI.mode = 0b00
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return 0;
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