217 lines
7.5 KiB
Python
217 lines
7.5 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# This file is part of chaosc
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#
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# chaosc is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# chaosc 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 License
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# along with chaosc. If not, see <http://www.gnu.org/licenses/>.
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#
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# Copyright (C) 2014 Stefan Kögl
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import argparse
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import os.path
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import select
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import serial
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import socket
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import sys
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import datetime
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try:
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from chaosc.c_osc_lib import OSCMessage
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except ImportError as e:
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from chaosc.osc_lib import OSCMessage
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class Forwarder(object):
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def __init__(self, actor, platform, device):
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self.actor = actor
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self.platform = platform
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self.device = device
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self.serial = serial.Serial()
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self.serial.port = device
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self.serial.baudrate = 115200
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self.serial.timeout = 0
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self.buf_ser2osc = ""
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self.serial.open()
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def close(self):
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"""Close all resources and unpublish service"""
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logger.info("%s: closing...", self.device)
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self.serial.close()
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class EHealth2OSC(Forwarder):
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def __init__(self, actor, platform, device):
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super(EHealth2OSC, self).__init__(actor, platform, device)
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def handle_read(self, osc_sock):
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data = self.serial.readline()[:-2]
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try:
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airFlow, emg, temp = data.split(";")
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except ValueError:
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return
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try:
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airFlow = int(airFlow)
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emg = int(emg)
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temp = int(temp);
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except ValueError:
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return
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osc_message = OSCMessage("/%s/airFlow" % self.actor)
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osc_message.appendTypedArg(airFlow, "i")
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osc_sock.sendall(osc_message.encode_osc())
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osc_message = OSCMessage("/%s/emg" % self.actor)
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osc_message.appendTypedArg(emg, "i")
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osc_sock.sendall(osc_message.encode_osc())
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osc_message = OSCMessage("/%s/temperatur" % self.actor)
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osc_message.appendTypedArg(temp, "i")
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osc_sock.sendall(osc_message.encode_osc())
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class EKG2OSC(Forwarder):
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def __init__(self, actor, platform, device):
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super(EKG2OSC, self).__init__(actor, platform, device)
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def handle_read(self, osc_sock):
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t = ord(self.serial.read(1))
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osc_message = OSCMessage("/%s/ekg" % self.actor)
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osc_message.appendTypedArg(t, "i")
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osc_sock.sendall(osc_message.encode_osc())
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class RingBuffer(object):
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def __init__(self, length):
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self.length = length
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self.ring_buf = list()
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self.reset()
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def reset(self):
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self.ring_buf = [-1] * self.length
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self.head = 0
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def append(self, value):
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self.ring_buf[self.head] = value
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self.head = (self.head + 1) % self.length
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def getData(self):
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#print "getData", self.ring_buf, self.head
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data = list()
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for i in range(7, 1, -1):
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value = self.ring_buf[(self.head - i) % self.length]
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if value == -1:
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self.reset()
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self.ring_buf[0] = 0
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self.head = 1
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raise ValueError("not complete - ringbuffer resettet")
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data.append(value)
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if data[0] != 0x0 or data[1] != 0xff:
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print "issue", data
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self.reset()
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self.ring_buf[0] = 0
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self.head = 1
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raise ValueError("not synced - ringbuffer resettet")
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return data[2:]
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class Pulse2OSC(Forwarder):
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def __init__(self, actor, platform, device):
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super(Pulse2OSC, self).__init__(actor, platform, device)
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self.buf = RingBuffer(6)
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self.heartbeat_on = False
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def handle_read(self, osc_sock):
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t = ord(self.serial.read(1))
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self.buf.append(t)
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if t == 0:
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try:
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heart_signal, heart_rate, o2, pulse = self.buf.getData()
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if pulse == 245 and not self.heartbeat_on:
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osc_message = OSCMessage("/%s/heartbeat" % self.actor)
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osc_message.appendTypedArg(1, "i")
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osc_message.appendTypedArg(heart_rate, "i")
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osc_message.appendTypedArg(o2, "i")
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osc_sock.sendall(osc_message.encode_osc())
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#print "heartbeat", datetime.datetime.now(), heart_signal
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self.heartbeat_on = True
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elif pulse == 1 and self.heartbeat_on:
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#print "off heartbeat", datetime.datetime.now(), heart_signal
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self.heartbeat_on = False
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osc_message = OSCMessage("/%s/heartbeat" % self.actor)
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osc_message.appendTypedArg(0, "i")
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osc_message.appendTypedArg(heart_rate, "i")
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osc_message.appendTypedArg(o2, "i")
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osc_sock.sendall(osc_message.encode_osc())
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except ValueError, e:
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print e
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def main():
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parser = argparse.ArgumentParser(prog='psychose_actor')
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parser.add_argument("-H", '--chaosc_host', required=True,
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type=str, help='host of chaosc instance to control')
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parser.add_argument("-p", '--chaosc_port', required=True,
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type=int, help='port of chaosc instance to control')
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args = parser.parse_args(sys.argv[1:])
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osc_sock = socket.socket(2, 2, 17)
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osc_sock.connect((args.chaosc_host, args.chaosc_port))
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naming = {
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"/dev/ttyUSB0" : ["bjoern", "ehealth"],
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"/dev/ttyACM0" : ["bjoern", "ekg"],
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"/dev/ttyACM1" : ["bjoern", "pulse"],
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"/dev/ttyUSB1" : ["merle", "ehealth"],
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"/dev/ttyACM2" : ["merle", "ekg"],
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"/dev/ttyACM3" : ["merle", "pulse"],
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"/dev/ttyUSB2" : ["uwe", "ehealth"],
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"/dev/ttyACM4" : ["uwe", "ekg"],
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"/dev/ttyACM5" : ["uwe", "pulse"]
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}
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used_devices = dict()
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while 1:
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for device, description in naming.iteritems():
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if os.path.exists(device):
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if device not in used_devices:
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actor, platform = naming[device]
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if description[1] == "ehealth":
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print device, actor, platform
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used_devices[device] = EHealth2OSC(actor, platform, device)
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elif description[1] == "ekg":
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print device, actor, platform
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used_devices[device] = EKG2OSC(actor, platform, device)
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elif description[1] == "pulse":
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print device, actor, platform
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used_devices[device] = Pulse2OSC(actor, platform, device)
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else:
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raise ValueError("unknown description %r for device %r" % (description, device))
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else:
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print "device missing", device
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message = OSCMessage("/DeviceMissing")
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message.appendTypedArg(description[0], "s")
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message.appendTypedArg(description[1], "s")
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osc_sock.sendall(message.encode_osc())
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read_map = {}
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for forwarder in used_devices.values():
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read_map[forwarder.serial] = forwarder.handle_read
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readers, writers, errors = select.select(read_map, [], [], 0.1)
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for reader in readers:
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read_map[reader](osc_sock)
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