104 lines
3.4 KiB
Python
104 lines
3.4 KiB
Python
#!/usr/bin/python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# This file is part of sensors2osc package
|
|
#
|
|
# sensors2osc is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# sensors2osc is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with sensors2osc. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
# Copyright (C) 2014 Stefan Kögl
|
|
|
|
from __future__ import absolute_import
|
|
|
|
from sensors2osc.common import *
|
|
|
|
atexit.register(close)
|
|
|
|
class RingBuffer(object):
|
|
def __init__(self, length):
|
|
self.length = length
|
|
self.ring_buf = list()
|
|
self.reset()
|
|
|
|
def reset(self):
|
|
self.ring_buf = [-1] * self.length
|
|
self.head = 0
|
|
|
|
def append(self, value):
|
|
self.ring_buf[self.head] = value
|
|
self.head = (self.head + 1) % self.length
|
|
|
|
def getData(self):
|
|
print "getData", self.ring_buf, self.head
|
|
data = list()
|
|
for i in range(7, 1, -1):
|
|
value = self.ring_buf[(self.head - i) % self.length]
|
|
if value == -1:
|
|
self.reset()
|
|
self.ring_buf[0] = 0
|
|
self.head = 1
|
|
raise ValueError("not complete - ringbuffer resettet")
|
|
data.append(value)
|
|
if data[0] != 0x0 or data[1] != 0xff:
|
|
print "issue", data
|
|
self.reset()
|
|
self.ring_buf[0] = 0
|
|
self.head = 1
|
|
raise ValueError("not synced - ringbuffer resettet")
|
|
return data[2:]
|
|
|
|
|
|
def main():
|
|
args, osc_sock = init("pulse2osc")
|
|
|
|
buf = RingBuffer(6)
|
|
heartbeat_on = False
|
|
|
|
while 1:
|
|
try:
|
|
t = ord(serial_sock.read(1))
|
|
print "got value", t
|
|
buf.append(t)
|
|
|
|
if t == 0:
|
|
try:
|
|
heart_signal, heart_rate, o2, pulse = buf.getData()
|
|
|
|
if pulse == 245 and not heartbeat_on:
|
|
osc_message = OSCMessage("/%s/heartbeat" % actor)
|
|
osc_message.appendTypedArg(1, "i")
|
|
osc_message.appendTypedArg(heart_rate, "i")
|
|
osc_message.appendTypedArg(o2, "i")
|
|
osc_sock.sendall(osc_message.encode_osc())
|
|
print "heartbeat", datetime.datetime.now(), heart_signal
|
|
heartbeat_on = True
|
|
elif pulse == 1 and heartbeat_on:
|
|
#print "off heartbeat", datetime.datetime.now(), heart_signal
|
|
heartbeat_on = False
|
|
osc_message = OSCMessage("/%s/heartbeat" % actor)
|
|
osc_message.appendTypedArg(0, "i")
|
|
osc_message.appendTypedArg(heart_rate, "i")
|
|
osc_message.appendTypedArg(o2, "i")
|
|
osc_sock.sendall(osc_message.encode_osc())
|
|
except ValueError, e:
|
|
print e
|
|
except socket.error, msg:
|
|
# got disconnected?
|
|
print "lost connection!!!"
|
|
reconnect(args)
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|