Add lib/waveshare_epd/epdconfig.py
This commit is contained in:
parent
2f24b99d22
commit
46a5768bbe
244
lib/waveshare_epd/epdconfig.py
Normal file
244
lib/waveshare_epd/epdconfig.py
Normal file
@ -0,0 +1,244 @@
|
||||
import os
|
||||
import logging
|
||||
import sys
|
||||
import time
|
||||
import subprocess
|
||||
import RPi.GPIO as GPIO
|
||||
from ctypes import *
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
class RaspberryPi:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
PWR_PIN = 18
|
||||
MOSI_PIN = 10
|
||||
SCLK_PIN = 11
|
||||
|
||||
def __init__(self):
|
||||
import spidev
|
||||
|
||||
self.SPI = spidev.SpiDev()
|
||||
GPIO.setmode(GPIO.BCM)
|
||||
GPIO.setwarnings(False)
|
||||
GPIO.setup(self.RST_PIN, GPIO.OUT)
|
||||
GPIO.setup(self.DC_PIN, GPIO.OUT)
|
||||
GPIO.setup(self.CS_PIN, GPIO.OUT) # Uncomment this if you are using CS_PIN
|
||||
GPIO.setup(self.PWR_PIN, GPIO.OUT)
|
||||
GPIO.setup(self.BUSY_PIN, GPIO.IN)
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
GPIO.output(pin, value)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return GPIO.input(pin)
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.SPI.writebytes(data)
|
||||
|
||||
def spi_writebyte2(self, data):
|
||||
self.SPI.writebytes2(data)
|
||||
|
||||
def module_init(self, cleanup=False):
|
||||
self.digital_write(self.PWR_PIN, 1)
|
||||
|
||||
if cleanup:
|
||||
find_dirs = [
|
||||
os.path.dirname(os.path.realpath(__file__)),
|
||||
'/usr/local/lib',
|
||||
'/usr/lib',
|
||||
]
|
||||
self.DEV_SPI = None
|
||||
for find_dir in find_dirs:
|
||||
val = int(os.popen('getconf LONG_BIT').read())
|
||||
logging.debug("System is %d bit" % val)
|
||||
if val == 64:
|
||||
so_filename = os.path.join(find_dir, 'DEV_Config_64.so')
|
||||
else:
|
||||
so_filename = os.path.join(find_dir, 'DEV_Config_32.so')
|
||||
if os.path.exists(so_filename):
|
||||
self.DEV_SPI = CDLL(so_filename)
|
||||
break
|
||||
if self.DEV_SPI is None:
|
||||
raise RuntimeError('Cannot find DEV_Config.so')
|
||||
|
||||
self.DEV_SPI.DEV_Module_Init()
|
||||
|
||||
else:
|
||||
# SPI device, bus = 0, device = 0
|
||||
self.SPI.open(0, 0)
|
||||
self.SPI.max_speed_hz = 4000000
|
||||
self.SPI.mode = 0b00
|
||||
return 0
|
||||
|
||||
def module_exit(self, cleanup=False):
|
||||
logger.debug("spi end")
|
||||
self.SPI.close()
|
||||
|
||||
self.digital_write(self.RST_PIN, 0)
|
||||
self.digital_write(self.DC_PIN, 0)
|
||||
self.digital_write(self.PWR_PIN, 0)
|
||||
logger.debug("close 5V, Module enters 0 power consumption ...")
|
||||
|
||||
if cleanup:
|
||||
GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.PWR_PIN, self.BUSY_PIN])
|
||||
|
||||
class JetsonNano:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
PWR_PIN = 18
|
||||
|
||||
def __init__(self):
|
||||
import ctypes
|
||||
find_dirs = [
|
||||
os.path.dirname(os.path.realpath(__file__)),
|
||||
'/usr/local/lib',
|
||||
'/usr/lib',
|
||||
]
|
||||
self.SPI = None
|
||||
for find_dir in find_dirs:
|
||||
so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
|
||||
if os.path.exists(so_filename):
|
||||
self.SPI = ctypes.cdll.LoadLibrary(so_filename)
|
||||
break
|
||||
if self.SPI is None:
|
||||
raise RuntimeError('Cannot find sysfs_software_spi.so')
|
||||
|
||||
import Jetson.GPIO
|
||||
self.GPIO = Jetson.GPIO
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
self.GPIO.output(pin, value)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return self.GPIO.input(self.BUSY_PIN)
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.SPI.SYSFS_software_spi_transfer(data[0])
|
||||
|
||||
def spi_writebyte2(self, data):
|
||||
for i in range(len(data)):
|
||||
self.SPI.SYSFS_software_spi_transfer(data[i])
|
||||
|
||||
def module_init(self):
|
||||
self.GPIO.setmode(self.GPIO.BCM)
|
||||
self.GPIO.setwarnings(False)
|
||||
self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.PWR_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
|
||||
|
||||
self.GPIO.output(self.PWR_PIN, 1)
|
||||
|
||||
self.SPI.SYSFS_software_spi_begin()
|
||||
return 0
|
||||
|
||||
def module_exit(self):
|
||||
logger.debug("spi end")
|
||||
self.SPI.SYSFS_software_spi_end()
|
||||
|
||||
logger.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
self.GPIO.output(self.PWR_PIN, 0)
|
||||
|
||||
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN, self.PWR_PIN])
|
||||
|
||||
|
||||
class SunriseX3:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
PWR_PIN = 18
|
||||
Flag = 0
|
||||
|
||||
def __init__(self):
|
||||
import spidev
|
||||
import Hobot.GPIO
|
||||
|
||||
self.GPIO = Hobot.GPIO
|
||||
self.SPI = spidev.SpiDev()
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
self.GPIO.output(pin, value)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return self.GPIO.input(pin)
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.SPI.writebytes(data)
|
||||
|
||||
def spi_writebyte2(self, data):
|
||||
self.SPI.xfer3(data)
|
||||
|
||||
def module_init(self):
|
||||
if self.Flag == 0:
|
||||
self.Flag = 1
|
||||
self.GPIO.setmode(self.GPIO.BCM)
|
||||
self.GPIO.setwarnings(False)
|
||||
self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.PWR_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
|
||||
|
||||
self.GPIO.output(self.PWR_PIN, 1)
|
||||
|
||||
# SPI device, bus = 0, device = 0
|
||||
self.SPI.open(2, 0)
|
||||
self.SPI.max_speed_hz = 4000000
|
||||
self.SPI.mode = 0b00
|
||||
return 0
|
||||
else:
|
||||
return 0
|
||||
|
||||
def module_exit(self):
|
||||
logger.debug("spi end")
|
||||
self.SPI.close()
|
||||
|
||||
logger.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.Flag = 0
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
self.GPIO.output(self.PWR_PIN, 0)
|
||||
|
||||
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN], self.PWR_PIN)
|
||||
|
||||
|
||||
if sys.version_info[0] == 2:
|
||||
process = subprocess.Popen("cat /proc/cpuinfo | grep Raspberry", shell=True, stdout=subprocess.PIPE)
|
||||
else:
|
||||
process = subprocess.Popen("cat /proc/cpuinfo | grep Raspberry", shell=True, stdout=subprocess.PIPE, text=True)
|
||||
output, _ = process.communicate()
|
||||
if sys.version_info[0] == 2:
|
||||
output = output.decode(sys.stdout.encoding)
|
||||
|
||||
if "Raspberry" in output:
|
||||
implementation = RaspberryPi()
|
||||
elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'):
|
||||
implementation = SunriseX3()
|
||||
else:
|
||||
implementation = JetsonNano()
|
||||
|
||||
for func in [x for x in dir(implementation) if not x.startswith('_')]:
|
||||
setattr(sys.modules[__name__], func, getattr(implementation, func))
|
||||
|
||||
### END OF FILE ###
|
||||
Loading…
Reference in New Issue
Block a user