class MaxiGaugePlugin(object):
''' This plugin passes a MaxiGauge class handle to route callbacks
that accept a `maxigauge` keyword argument.
It is based on the example on
http://bottlepy.org/docs/stable/plugindev.html#plugin-example-sqliteplugin
'''
name = 'maxigauge'
api = 2
def __init__(self, device, keyword='maxigauge'):
self.device = device
self.keyword = keyword
def setup(self, app):
''' Make sure that other installed plugins don't affect the same
keyword argument.'''
for other in app.plugins:
if not isinstance(other, MaxiGaugePlugin): continue
if other.keyword == self.keyword:
raise PluginError("Found another MaxiGauge plugin with "\
"conflicting settings (non-unique keyword).")
try:
### Initialize an instance of the MaxiGauge controller with
### the handle of the serial terminal it is connected to
self.maxigauge = MaxiGauge(self.device)
self.maxigauge.start_continuous_pressure_updates(.4, 75)
except Exception, e:
raise PluginError("Could not connect to the MaxiGauge (on port %s). Error: %s" % (self.device, e) )
def setup(self, app):
''' Make sure that other installed plugins don't affect the same
keyword argument.'''
for other in app.plugins:
if not isinstance(other, MaxiGaugePlugin): continue
if other.keyword == self.keyword:
raise PluginError("Found another MaxiGauge plugin with "\
"conflicting settings (non-unique keyword).")
try:
### Initialize an instance of the MaxiGauge controller with
### the handle of the serial terminal it is connected to
self.maxigauge = MaxiGauge(self.device)
self.maxigauge.start_continuous_pressure_updates(.4, 75)
except Exception, e:
raise PluginError("Could not connect to the MaxiGauge (on port %s). Error: %s" % (self.device, e) )
def initialization(self):
self.problem = False
try:
self.panel = GHSPanel(str(self.portGHS))
except:
self.emit(SIGNAL('panelMessage(QString)'),
'Can\'t connect socket to MicroTask')
time.sleep(0.2)
self.problem = True
self.emit(SIGNAL('initProblem(bool)'), self.problem)
time.sleep(0.2)
try:
self.mg = MaxiGauge(str(self.portMG))
except:
self.emit(SIGNAL('panelMessage(QString)'),
'Can\'t connect socket to MaxiGauge')
time.sleep(0.2)
self.problem = True
self.emit(SIGNAL('initProblem(bool)'), self.problem)
time.sleep(0.2)
#!/usr/bin/env python
### Load the module:
from PfeifferVacuum import MaxiGauge, MaxiGaugeError
import time
import sys
### Initialize an instance of the MaxiGauge controller with
### the handle of the serial terminal it is connected to
mg = MaxiGauge('/dev/ttyUSB1')
### Read out the pressure gauges
while True:
startTime = time.time()
try:
ps = mg.pressures()
except MaxiGaugeError, mge:
print mge
continue
line = ""
for sensor in ps:
#print sensor values
if sensor.status in [0,1,2]: # if normal, over or under range
line += str(sensor.pressure)
line += ", "
print line[0:-2] # omit the last comma and space
sys.stdout.flush()
# do this every second
endTime = time.time()-startTime
#!/usr/bin/env python
### Load the module:
from PfeifferVacuum import MaxiGauge
### Initialize an instance of the MaxiGauge controller with
### the handle of the serial terminal it is connected to
mg = MaxiGauge('/dev/ttyUSB0')
### Run the self check (not needed)
print(mg.checkDevice())
### Set device characteristics (here: change the display contrast)
print("Set the display contrast to: %d" % mg.displayContrast(10))
### Read out the pressure gauges
print(mg.pressures())
### Display the value of the pressure gauges for 20 repeated read outs
for i in range(20):
ps = mg.pressures()
print "Sensor 1: %4e mbar" % ps[0].pressure + "Sensor 6: %4e mbar" % ps[5].pressure
import sys, os, time, datetime
from PfeifferVacuum import MaxiGauge
from time import gmtime, strftime
file_header = '/home/outgassing/outgassing/pressure_data/'
nowtime = strftime("%Y-%m-%d %H:%M:%S")
nowtime2 = strftime("%Y%m%d_%H%M%S")
try:
filename = os.path.join(file_header, sys.argv[1])
except IndexError:
print('Usage: python log_pressure.py <file name (not including path)>')
sys.exit()
file1 = open(filename, 'a')
file1.write('Pfeiffer read started at ' + nowtime + ' (EDT)\n' +
'Time (s)\tPressure (Torr)\n')
file1.close()
while True:
mg = MaxiGauge('/dev/my_usb_serial')
#mg = MaxiGauge('/dev/ttyUSB0')
ps = mg.pressures()
file1 = open(filename, 'a')
#file1.write(str(time.time())+'\n')
file1.write(
str(int(round(time.time()))) + '\t' + str(ps[0].pressure) + '\n')
file1.close()
time.sleep(59)
#!/usr/bin/env python
### Load the module:
from PfeifferVacuum import MaxiGauge
### Initialize an instance of the MaxiGauge controller with
### the handle of the serial terminal it is connected to
mg = MaxiGauge('/dev/ttyUSB0')
### Run the self check (not needed)
print(mg.checkDevice())
### Set device characteristics (here: change the display contrast)
print("Set the display contrast to: %d" % mg.displayContrast(10))
### Read out the pressure gauges
print(mg.pressures())
### Display the value of the pressure gauges for 20 repeated read outs
for i in range(20):
ps = mg.pressures()
print "Sensor 1: %4e mbar" % ps[0].pressure + "Sensor 6: %4e mbar" % ps[
5].pressure
