### sends a continuous pulse
from core import tellie_server
from common import parameters
import scope_connections
import scopes
import utils
import sys
import time
from common import parameters as p
port = p._serial_port # set in tellie.cfg
usb_conn = scope_connections.VisaUSB()
scope = scopes.Tektronix3000(usb_conn)
sc = tellie_server.SerialCommand(port)
sc.stop()
def safe_exit(sc,e):
print "Exit safely"
print e
sc.stop()
if __name__=="__main__":
#first, read the offsets file
fin = file('delays.txt','r')
delay_values = {}
for line in fin.readlines():
bits = line.split()
if len(bits)!=2:
#Fixed parameters
delay = 1.0 # 1ms -> kHz
cursor_low = -5e-9 #s
cursor_high = 23e-9 # s
trigger_level = 0.5 # half peak minimum
falling_edge = True
min_trigger = -0.005 # -5mV smallest allowed trigger
#run the initial setup on the scope
usb_conn = scope_connections.VisaUSB()
scope = scopes.Tektronix3000(usb_conn)
scope.set_cursor("x", 1, cursor_low)
scope.set_cursor("x", 2, cursor_high)
sc = tellie_server.SerialCommand(options.port)
# Channel parameters
height = p._max_pulse_height
fibre_delay = 0
trigger_delay = 0
pulse_number = p._pulse_num
delay = 1
channel = options.channel
width = options.width
timestamp = time.strftime("%y%m%d_%H.%M.%S", time.gmtime())
output_filename = "light/Channel%d_Width%d_%s.dat" % (channel, width,
timestamp)
output_file = file(output_filename, 'w')
output_file.write("#PTIME\tWIDTH\tPIN\tWIDTH\tRISE\tFALL\tAREA\n")
light_cmd,_ = tellie_server.command_pulse_width(light_width)
send_command(tellie_serial,light_cmd)
time.sleep(p._short_pause) # Check whether these sleeps are required ... ARGH!
light_cmd,_ = tellie_server.command_pulse_number(light_num)
send_command(tellie_serial,light_cmd)
time.sleep(p._short_pause) # Check whether these sleeps are required ... ARGH!
send_command(tellie_serial,tellie_server._cmd_fire_series)
#one pulse, then stop? sleep 0.1 s just to be sure
time.sleep(p._short_pause)
print time.time()-start,"SEQUENCE COMPLETE"
if __name__=="__main__":
parser = optparse.OptionParser()
parser.add_option("-d",dest="debug",action="store_true",default=False,help="Debug mode")
(options, args) = parser.parse_args()
tellie_serial = tellie_server.SerialCommand()
# create a logging object
logger = tellie_logger.TellieLogger.get_instance()
logger.set_debug_mode(options.debug)
# select the dark pulse rates
delay = 1./rate
# setup the board settings used for all pulsing
print "ANYTHING?",tellie_serial.read_buffer()
tellie_serial.select_channel(channel)
tellie_serial.set_pulse_height(height)
tellie_serial.set_pulse_delay(delay)
try:
start = time.time()
for i in range(light_shots):
def start():
global sc
sc = tellie_server.SerialCommand(serial_port)
