imported>Bobd at 18:04, 7 June 2011

2011-06-07T18:04:26Z

← Older revision		Revision as of 18:04, 7 June 2011
Line 6:		Line 6:
	from datetime import datetime		from datetime import datetime

	device = '/dev/~~ttyACM1~~'		# Be sure to set this to the correct device! Under linux, it is something
			# like /dev/ttyACM0. On OSX, it will be /dev/ttyUSBNNNN, where NNNN is
			# some cryptic number. On windows, it will be a COM port (e.g., COM4).
			device = '/dev/ttyACM0'

	running = True		running = True

imported>Bobd: Created page with " #!/usr/bin/env python import serial import sys, signal, time from datetime import datetime device = '/dev/ttyACM1' running = True def handler(signum, frame): gl..."

2011-06-07T18:01:54Z

Created page with " <nowiki> #!/usr/bin/env python import serial import sys, signal, time from datetime import datetime device = '/dev/ttyACM1' running = True def handler(signum, frame): gl..."

New page

<nowiki>
#!/usr/bin/env python

import serial
import sys, signal, time
from datetime import datetime

device = '/dev/ttyACM1'

running = True

def handler(signum, frame):
global running
running = False

# Set the signal handler to allow clean exit with a TERM signal
signal.signal(signal.SIGTERM, handler)

if __name__ == "__main__":
filename = sys.argv[1]
timeRef = datetime.now()
with open(filename, 'a') as f:
f.write('%% Reference time: %s\n' % str(timeRef))
ser = serial.Serial(device, 115200, timeout=1)
time.sleep(0.1)
# Send a trigger pulse to start scanning
ser.write('[t]\n');
# Display the firmware greeting
out = ser.readlines()
for l in out: print(l),
# Send the command to enable input pulses
ser.write('[p]\n');

while running:
n = ser.inWaiting()
if n>0:
s = ser.read(n)
if s[0]=='p':
ts = datetime.now() - timeRef
totalSeconds = (ts.microseconds + (ts.seconds + ts.days * 24 * 3600) * 10**6) / float(10**6)
# Print the time stamp as an offset from the reference time, in milliseconds.
f.write('%0.9f\n' % totalSeconds)

ser.close()

exit(0)

SaveTriggers.py - Revision history

imported>Bobd at 18:04, 7 June 2011

imported>Bobd: Created page with " #!/usr/bin/env python import serial import sys, signal, time from datetime import datetime device = '/dev/ttyACM1' running = True def handler(signum, frame): gl..."