/usr/share/expeyes/eyes-junior/logger.py is in expeyes 3.1.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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expEYES program
Author : Ajith Kumar B.P, bpajith@gmail.com
License : GNU GPL version 3
'''
import gettext
gettext.bindtextdomain("expeyes")
gettext.textdomain('expeyes')
_ = gettext.gettext
from Tkinter import *
import expeyes.eyesj as eyes, expeyes.eyeplot as eyeplot, expeyes.eyemath as eyemath, time, sys
NCHAN = 5
WIDTH = 600 # width of drawing canvas
HEIGHT = 400 # height
class Logger:
chan = [1,2,3,4,5]
tv = [ [], [] ] # Lists for Time & Voltage
MAXTIME = 10 # Maximum time, user can set
TIMER = 500
MINY = -5 # could be 0
MAXY = 5.0
start_time = None
running = False
def __init__(self):
self.chinfo = []
for ch in range(NCHAN):
self.chinfo.append([False, [[],[]], 0]) # Active, Data, Start Time
def start(self):
self.running = False # Assume no channel is selected
for ch in range(NCHAN):
self.chinfo[ch][1] = [ [], [] ] # Clear old data
if CH[ch].get() == 1:
self.chinfo[ch][0] = True
self.running = True
else:
self.chinfo[ch][0] = False
try:
self.MAXTIME = int(DURATION.get())
g.setWorld(0, self.MINY, self.MAXTIME, self.MAXY,_('Time'),_('Volt'))
self.TIMER = int(TGAP.get())
for k in range(4): CB[k].config(state = DISABLED)
Total.config(state=DISABLED)
Dur.config(state=DISABLED)
self.msg(_('Starting the Measurement'))
root.after(self.TIMER, self.update)
except:
self.msg(_('Failed to Start Measurement'))
pass
def stop(self):
for k in range(5): CB[k].config(state = NORMAL)
Total.config(state=NORMAL)
Dur.config(state=NORMAL)
self.running = False
def update(self):
if self.running == False:
return
g.delete_lines()
for ch in range(NCHAN):
if self.chinfo[ch][0] == True:
t,v = p.get_voltage_time(self.chan[ch])
if len(self.chinfo[ch][1][0]) == 0:
self.chinfo[ch][2] = t
elapsed = 0
else:
elapsed = t - self.chinfo[ch][2]
self.chinfo[ch][1][0].append(elapsed)
self.chinfo[ch][1][1].append(v)
if len(self.chinfo[ch][1][0]) >= 2:
g.line(self.chinfo[ch][1][0], self.chinfo[ch][1][1],ch, smooth=True)
try:
self.MAXTIME = int(DURATION.get())
self.TIMER = int(TGAP.get())
except:
pass
if elapsed > self.MAXTIME:
for k in range(5): CB[k].config(state = NORMAL)
Total.config(state=NORMAL)
Dur.config(state=NORMAL)
self.running = False
return
root.after(self.TIMER, self.update)
def save(self):
try:
fn = filename.get()
except:
fn = 'logger.dat'
f = open(fn, 'w')
for ch in range(NCHAN):
if self.chinfo[ch][0] == True:
size = len(self.chinfo[ch][1][0])
for k in range(size):
s = '%5.3f %5.3f\n'%(self.chinfo[ch][1][0][k], self.chinfo[ch][1][1][k])
f.write(s)
f.write('\n')
msg.config(text = _('Data Saved'))
def clear(self):
if self.running == True:
return
for ch in range(NCHAN):
self.chinfo[ch][1] = [ [], [] ]
g.delete_lines()
def msg(self,s):
msgwin.config(text=s)
p = eyes.open()
p.disable_actions()
root = Tk()
Canvas(root, width = WIDTH, height = 5).pack(side=TOP) # Some space at the top
g = eyeplot.graph(root, width=WIDTH, height=HEIGHT, bip=False) # make plot objects using draw.disp
log = Logger()
cf = Frame(root, width = WIDTH, height = 10)
cf.pack(side=TOP, fill = BOTH, expand = 1)
CB = [0]*NCHAN
CH = [IntVar(), IntVar(), IntVar(), IntVar(), IntVar()]
for k in range(NCHAN):
CB[k] = Checkbutton(cf,text ='A%1d'%(k+1), variable=CH[k], fg = 'black')
CB[k].pack(side=LEFT, anchor = SW)
CH[k].set(0)
if k == 2: CB[k].config(text=_('IN1'))
if k == 3: CB[k].config(text=_('IN2'))
if k == 4: CB[k].config(text=_('SEN'))
CH[0].set(1)
b3 = Label(cf, text = _('Read Every'))
b3.pack(side = LEFT, anchor = SW)
TGAP = StringVar()
Dur =Entry(cf, width=5, bg = 'white', textvariable = TGAP)
TGAP.set('500')
Dur.pack(side = LEFT, anchor = SW)
b3 = Label(cf, text = _('mS,'))
b3.pack(side = LEFT, anchor = SW)
b3 = Label(cf, text = _('for total'))
b3.pack(side = LEFT, anchor = SW)
DURATION = StringVar()
Total =Entry(cf, width=5, bg = 'white', textvariable = DURATION)
DURATION.set('100')
Total.pack(side = LEFT, anchor = SW)
b3 = Label(cf, text = _('Seconds'))
b3.pack(side = LEFT, anchor = SW)
b1 = Button(cf, text = _('START'), command = log.start)
b1.pack(side = LEFT, anchor = N)
b1 = Button(cf, text = _('STOP'), command = log.stop)
b1.pack(side = LEFT, anchor = N)
b4 = Button(cf, text = _('CLEAR'), command = log.clear)
b4.pack(side = LEFT, anchor = N)
cf = Frame(root, width = WIDTH, height = 10)
cf.pack(side=TOP, fill = BOTH, expand = 1)
b3 = Button(cf, text = _('SAVE to'), command = log.save)
b3.pack(side = LEFT, anchor = N)
filename = StringVar()
e1 =Entry(cf, width=15, bg = 'white', textvariable = filename)
filename.set('logger.dat')
e1.pack(side = LEFT)
b5 = Button(cf, text = _('QUIT'), command = sys.exit)
b5.pack(side = RIGHT, anchor = N)
mf = Frame(root, width = WIDTH, height = 10)
mf.pack(side=TOP, fill = BOTH, expand = 1)
msgwin = Label(mf,text=_('Message'), fg = 'blue')
msgwin.pack(side=LEFT)
root.title(_('EYES-Junior: Four Channel Data Logger'))
root.mainloop()
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