epdconfig rewrite
This commit is contained in:
Brian Y
parent
d0433da40e
commit
fe92a4336a
1 changed files with 51 additions and 199 deletions
|
|
@ -1,202 +1,54 @@
|
|||
# /*****************************************************************************
|
||||
# * | File : epdconfig.py
|
||||
# * | Author : Waveshare team
|
||||
# * | Function : Hardware underlying interface
|
||||
# * | Info :
|
||||
# *----------------
|
||||
# * | This version: V1.0
|
||||
# * | Date : 2019-06-21
|
||||
# * | Info :
|
||||
# ******************************************************************************
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documnetation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
# THE SOFTWARE.
|
||||
#
|
||||
#!/usr/bin/env python
|
||||
"""
|
||||
|
||||
import os
|
||||
import logging
|
||||
import sys
|
||||
"""
|
||||
|
||||
import spidev
|
||||
import R64.GPIO as GPIO
|
||||
import time
|
||||
import platform
|
||||
|
||||
__author__ = 'Brian Yiu'
|
||||
__version__ = '0.1.0'
|
||||
__maintainer__ = 'Brian Yiu'
|
||||
__status__ = 'Development'
|
||||
|
||||
class Rock64:
|
||||
RST_PIN = 17 # RPi-BCM17 = RPi-P11 =
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
# Pin definition
|
||||
RST_PIN = 16
|
||||
DC_PIN = 15
|
||||
CS_PIN = 26
|
||||
BUSY_PIN = 18
|
||||
|
||||
def __init__(self):
|
||||
import spidev
|
||||
import R64.GPIO as GPIO
|
||||
self.GPIO = GPIO
|
||||
self.SPI = spidev.SpiDev(32766, 1)
|
||||
# SPI device, bus = 32766, device = 1 on ROCK64
|
||||
SPI = spidev.SpiDev(32766, 1)
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
self.GPIO.output(pin, value)
|
||||
def digital_write(pin, value):
|
||||
GPIO.output(pin, value)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return self.GPIO.input(pin)
|
||||
def digital_read(pin):
|
||||
return GPIO.input(pin)
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
def delay_ms(delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.SPI.writebytes(data)
|
||||
def spi_writebyte(data):
|
||||
# manual CS on ROCK64
|
||||
GPIO.output(CS_PIN, GPIO.LOW)
|
||||
SPI.writebytes(data)
|
||||
GPIO.output(CS_PIN, GPIO.HIGH)
|
||||
|
||||
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.BUSY_PIN, self.GPIO.IN)
|
||||
self.SPI.max_speed_hz = 10000000
|
||||
self.SPI.mode = 0b00
|
||||
return 0
|
||||
def module_init():
|
||||
GPIO.setmode(GPIO.BOARD)
|
||||
GPIO.setwarnings(False)
|
||||
GPIO.setup(RST_PIN, GPIO.OUT)
|
||||
GPIO.setup(DC_PIN, GPIO.OUT)
|
||||
GPIO.setup(CS_PIN, GPIO.OUT, initial=GPIO.HIGH)
|
||||
GPIO.setup(BUSY_PIN, GPIO.IN)
|
||||
SPI.max_speed_hz = 2000000
|
||||
SPI.mode = 0b00
|
||||
return 0
|
||||
|
||||
def module_exit(self):
|
||||
logging.debug("spi end")
|
||||
self.SPI.close()
|
||||
|
||||
logging.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
self.GPIO.cleanup()
|
||||
|
||||
|
||||
class RaspberryPi:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
|
||||
def __init__(self):
|
||||
import spidev
|
||||
import RPi.GPIO
|
||||
|
||||
self.GPIO = RPi.GPIO
|
||||
|
||||
# SPI device, bus = 0, device = 0
|
||||
self.SPI = spidev.SpiDev(0, 0)
|
||||
|
||||
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 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.BUSY_PIN, self.GPIO.IN)
|
||||
self.SPI.max_speed_hz = 4000000
|
||||
self.SPI.mode = 0b00
|
||||
return 0
|
||||
|
||||
def module_exit(self):
|
||||
logging.debug("spi end")
|
||||
self.SPI.close()
|
||||
|
||||
logging.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
|
||||
self.GPIO.cleanup()
|
||||
|
||||
|
||||
class JetsonNano:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
|
||||
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 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.BUSY_PIN, self.GPIO.IN)
|
||||
self.SPI.SYSFS_software_spi_begin()
|
||||
return 0
|
||||
|
||||
def module_exit(self):
|
||||
logging.debug("spi end")
|
||||
self.SPI.SYSFS_software_spi_end()
|
||||
|
||||
logging.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
|
||||
self.GPIO.cleanup()
|
||||
|
||||
|
||||
if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
|
||||
implementation = RaspberryPi()
|
||||
elif platform.machine() == 'aarch64': # Rock64
|
||||
implementation = Rock64()
|
||||
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 ###
|
||||
def module_exit():
|
||||
SPI.close()
|
||||
GPIO.output(RST_PIN, GPIO.LOW)
|
||||
GPIO.output(DC_PIN, GPIO.LOW)
|
||||
GPIO.cleanup()
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue