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https://github.com/ElvishArtisan/rivendell.git
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179f23a54f
* Consolidated the 'pypad' and 'rivwebpyapi' Python modules into a single 'rivendellaudio' package namespace. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
69 lines
2.2 KiB
Python
Executable File
69 lines
2.2 KiB
Python
Executable File
#!%PYTHON_BANGPATH%
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# pypad_serial.py
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#
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# Write PAD updates to serial (tty) devices.
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#
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# (C) Copyright 2018-2022 Fred Gleason <fredg@paravelsystems.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public
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# License along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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import sys
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import syslog
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import configparser
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try:
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from rivendellaudio import pypad
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except ModuleNotFoundError:
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import pypad # Rivendell v3.x style
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import serial
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from io import BytesIO
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def eprint(*args,**kwargs):
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print(*args,file=sys.stderr,**kwargs)
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def ProcessPad(update):
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n=1
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section='Serial'+str(n)
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while(update.config().has_section(section)):
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if update.shouldBeProcessed(section):
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devname=update.config().get(section,'Device')
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speed=int(update.config().get(section,'Speed'))
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parity=serial.PARITY_NONE
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if int(update.config().get(section,'Parity'))==1:
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parity=serial.PARITY_EVEN
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if int(update.config().get(section,'Parity'))==2:
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parity=serial.PARITY_ODD
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bytesize=int(update.config().get(section,'WordSize'))
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dev=serial.Serial(devname,speed,parity=parity,bytesize=bytesize)
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fmtstr=update.config().get(section,'FormatString')
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esc=int(update.config().get(section,'Encoding'))
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dev.write(update.resolvePadFields(fmtstr,esc).encode('utf-8'))
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dev.close()
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n=n+1
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section='Serial'+str(n)
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#
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# 'Main' function
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#
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rcvr=pypad.Receiver()
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try:
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rcvr.setConfigFile(sys.argv[3])
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except IndexError:
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eprint('pypad_serial.py: USAGE: cmd <hostname> <port> <config>')
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sys.exit(1)
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rcvr.setPadCallback(ProcessPad)
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rcvr.start(sys.argv[1],int(sys.argv[2]))
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