Samuele-StackUser
71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# /*****************************************************************************
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# * | File : EPD_1in54.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 : 2019-01-24
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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 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 = 18
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CS_PIN = 22
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DRDY_PIN = 17
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# SPI device, bus = 0, device = 0
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SPI = spidev.SpiDev(0, 0)
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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(DRDY_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_readbytes(reg):
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return SPI.readbytes(reg)
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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(CS_PIN, GPIO.OUT)
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#GPIO.setup(DRDY_PIN, GPIO.IN)
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GPIO.setup(DRDY_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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SPI.max_speed_hz = 20000
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SPI.mode = 0b01
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return 0;
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### END OF FILE ###
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