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motionsensor-two.py
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motionsensor-two.py
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'''
expEYES program
Developed as a part of GSoC Project
this program allows user to use TWO motion sensors (srf-05 modules) and plot graphs in real-time.
'''
import gettext
gettext.bindtextdomain("expeyes")
gettext.textdomain('expeyes')
_ = gettext.gettext
from Tkinter import *
import time, sys, math
if sys.version_info.major==3:
from tkinter import *
else:
from Tkinter import *
sys.path=[".."] + sys.path
import expeyes.eyesj as eyes
import expeyes.eyeplot as eyeplot
import expeyes.eyemath as eyemath
WIDTH = 600 # width of drawing canvas
HEIGHT = 400 # height
vs = 0.034000
class Pend:
tv = [ [], [], [] ] # Lists for Readings
TIMER = 10 # Time interval between reads
MINY = 0
MAXY = 80
running = False
MAXTIME = 10
def xmgrace(self):
if self.running == True:
return
p.grace([self.tv])
def start(self):
self.running = True
self.index = 0
self.tv = [ [], [], [] ]
try:
self.MAXTIME = int(DURATION.get())
self.MAXY = int(MAXDIST.get())
g.setWorld(0, self.MINY, self.MAXTIME, self.MAXY,_('Time'),_('cm'))
Dur.config(state=DISABLED)
self.msg(_('Starting the Measurements'))
root.after(self.TIMER, self.update)
except:
self.msg(_('Failed to Start'))
def stop(self):
self.running = False
Dur.config(state=NORMAL)
self.msg(_('User Stopped the measurements'))
def update(self):
if self.running == False:
return
tt = p.srfechotime(9,0)
dist = (tt-400) *vs/2
tt2 = p.srfechotime(8,3)
dist2 = (tt2-400) *vs/2
if len(self.tv[0]) == 0:
self.start_time = time.time()
elapsed = 0
else:
elapsed = time.time() - self.start_time
self.tv[0].append(elapsed)
self.tv[1].append(dist)
self.tv[2].append(dist2)
if len(self.tv[0]) >= 2:
g.delete_lines()
g.line(self.tv[0], self.tv[1])
g.line(self.tv[0], self.tv[2],1)
if elapsed > self.MAXTIME:
self.running = False
Dur.config(state=NORMAL)
self.msg(_('Completed the Measurements'))
return
root.after(self.TIMER, self.update)
def save(self):
try:
fn = filename.get()
except:
fn = 'motion2.dat'
p.save([self.tv],fn)
self.msg(_('Data saved to %s')%fn)
def clear(self):
if self.running == True:
return
self.tv = [ [], [] ]
g.delete_lines()
self.msg(_('Cleared Data and Trace'))
def msg(self,s, col = 'blue'):
msgwin.config(text=s, fg=col)
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
pen = Pend()
cf = Frame(root, width = WIDTH, height = 10)
cf.pack(side=TOP, fill = BOTH, expand = 1)
b3 = Label(cf, text = _('Digitize for'))
b3.pack(side = LEFT, anchor = SW)
DURATION = StringVar()
Dur =Entry(cf, width=5, bg = 'white', textvariable = DURATION)
DURATION.set('10')
Dur.pack(side = LEFT, anchor = SW)
b3 = Label(cf, text = _('Seconds.'))
b3.pack(side = LEFT, anchor = SW)
b3 = Label(cf, text = _('Max Dist='))
b3.pack(side = LEFT, anchor = SW)
MAXDIST = StringVar()
Dis =Entry(cf, width=5, bg = 'white', textvariable = MAXDIST)
MAXDIST.set('60')
Dis.pack(side = LEFT, anchor = SW)
b3 = Label(cf, text = _('cm'))
b3.pack(side = LEFT, anchor = SW)
cf = Frame(root, width = WIDTH, height = 10)
cf.pack(side=TOP, fill = BOTH, expand = 1)
b1 = Button(cf, text = _('START'), command = pen.start)
b1.pack(side = LEFT, anchor = N)
b1 = Button(cf, text = _('STOP'), command = pen.stop)
b1.pack(side = LEFT, anchor = N)
b4 = Button(cf, text = _('CLEAR'), command = pen.clear)
b4.pack(side = LEFT, anchor = N)
b1 = Button(cf, text = _('Xmgrace'), command = pen.xmgrace)
b1.pack(side = LEFT, anchor = N)
b3 = Button(cf, text = _('SAVE to'), command = pen.save)
b3.pack(side = LEFT, anchor = N)
filename = StringVar()
e1 =Entry(cf, width=15, bg = 'white', textvariable = filename)
filename.set('motion2.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)
msgwin = Label(mf,text=_('Message'), fg = 'blue')
msgwin.pack(side=LEFT, anchor = S, fill=BOTH, expand=1)
#eyeplot.pop_image('pics/imagename.png', _('write the name of expt setup image'))
root.title(_('TWO Motion sensors'))
root.mainloop()