1 #! /usr/bin/env python3
   2 """
   3 # LabPSU2.py - Utility program for LabPSU2 via USB.
   4 #
   5 # 2015-03-02 RudolfReuter
   6 # 2015-04-08 RudolfReuter, TKinter GUI, ESP8266 WiFi
   7 # 2016-10-15 RudolfReuter, V1.1, serial bridge: WiFiTelnetToSerialWPS.ino
   8 #                          finish value change with Return key
   9 
  10 """
  11 
  12 import array
  13 import glob
  14 import optparse
  15 import os
  16 import serial
  17 import subprocess
  18 import sys
  19 import time
  20 import platform
  21 from tkinter import *
  22 #import tkinter.ttk as ttk
  23 import telnetlib
  24 
  25 # on which port should the tests be performed
  26 # http://sourceforge.net/projects/osx-pl2303/
  27 
  28 LINEFEED = '\x0A'   # CTRL+J
  29 ESC = '\x1B'
  30 newline = '\n'.encode('utf-8')
  31 
  32 params = {}
  33 params['psu_on'] = 'ON'
  34 params['remote'] = 'ON'
  35 
  36 def scan():
  37     """scan for available ports. return a list of device names."""
  38     return glob.glob('/dev/cu.*')
  39 
  40 
  41 def tn_read ():
  42     """ read a line via telnet protocol, add packets until newline is seen.
  43         see: https://github.com/beckdac/ESP8266-transparent-bridge """
  44     try:
  45         tn_answer = ser.read_some()
  46         tn_string = tn_answer
  47     except:
  48         ser.close()
  49         print ("timeout 1")
  50         sys.exit(7)
  51     while (tn_answer.find(newline) < 0):
  52         try:
  53             tn_answer = ser.read_some()
  54         except:
  55             ser.close()
  56             print ("timeout 2")
  57             sys.exit(7)
  58         tn_string += tn_answer
  59         #print (tn_string)
  60     return tn_string[0:-2]
  61 
  62 
  63 if __name__=='__main__':
  64 
  65     os_name = platform.system()
  66     if os_name == "Windows":
  67         port = "COM5:"
  68     if os_name == "Linux":
  69         port = "/dev/ttyUSB0"
  70     if os_name == "Darwin":
  71         port = "/dev/cu.usbserial-A9GNVXD1"
  72     # for use with IDLE, command line argument, BUT convert does NOT work in IDLE
  73     sys.argv = ['LabPSU2tkw.py', '-v']
  74     #apath = os.getcwd()
  75     #print (apath)
  76     
  77     parser = optparse.OptionParser(
  78         usage = "%prog [options] [port [baudrate]] version 1.1", 
  79         description = "LabPSU2 - Remote Control."
  80     )
  81     #parser.add_option("-a", "--printall", dest="printall", action="store_true",
  82 #                      help="print all")
  83     #parser.add_option("-d", "--date", dest="date", action="store_true",
  84 #                      help="set date to hp1630")
  85     parser.add_option("-f", "--file", dest="filename",
  86                       help="Enter filename")
  87     parser.add_option("-g", "--gport", dest="gport",
  88                       help="serial port, e.g. /dev/cu.xxx")
  89     parser.add_option("-i", "--id", action="store_true", dest="id",
  90                       help="check for GPIB device ID")
  91     #parser.add_option("-l", "--local", action="store_true", dest="local",
  92 #                      help="switch GPIB device to local mode")
  93     parser.add_option("-p", "--print", dest="printWS", action="store_true",
  94                       help="print screen in PBM format")
  95     #parser.add_option("-q", "--quiet",
  96     #                  action="store_false", dest="verbose", default=True,
  97     #                  help="don't print status messages to stdout")
  98     parser.add_option("-t", "--timeout", dest="timeout",
  99                       help="Enter timeout in sec.")
 100     #parser.add_option("-u", "--usb", action="store_true", dest="usb",
 101 #                      help="check for USB-GPIB interface")
 102     parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
 103                       help="tell more internal values for debugging")
 104     parser.add_option("-w", "--wifi", dest="wifi",
 105                       help="control via WiFi telnet, input server IP")
 106 
 107     (options, args) = parser.parse_args()
 108 
 109     if (len(sys.argv) < 2):  # no arguments given
 110         parser.print_help()
 111         print ("Default USB Port: " + port)
 112 
 113     """ open telnet connection, has priority over USB """
 114 
 115     serverIP = "192.168.17.159"  # set default
 116     if options.wifi:
 117         serverIP = options.wifi
 118 
 119     try:
 120         usb = 0
 121         ser = telnetlib.Telnet(serverIP,23,3)
 122         print("using IP ", serverIP, "port 23")
 123     except:
 124         print("***** Telnet does not work, use USB")
 125         usb = 1 # use USB
 126               
 127 
 128 # open USB-serial port
 129     if (usb == 1):
 130         if options.gport:
 131             port = options.gport
 132         otimeout = 1              # 1 sec
 133         if options.timeout:
 134             otimeout = int(options.timeout)
 135         try:
 136             ser = serial.Serial(port, baudrate=9600, timeout=otimeout)
 137             
 138             if options.verbose:
 139                 print (ser.name)
 140             ser.flushInput()
 141         except serial.SerialException as e:
 142             sys.stderr.write("could not open port %r: %s\n" % (port, e))
 143             print ("Found ports:")
 144             for name in scan():
 145                 print ("  "+name)
 146             sys.exit(1)
 147 
 148     #----------------- Subroutines
 149     def Get_ID():
 150         #if options.verbose:
 151         #    print ("*IDN?")
 152         ser.write('*IDN?\n'.encode('utf-8'))
 153         if (usb == 1):
 154             hello = ser.readline()[0:-2]
 155         else:
 156             hello = tn_read()
 157         dummy = w.sPSU_ID.set(hello)
 158         # next 3 lines for test
 159         #print (hello)
 160         #ser.close()
 161         #sys.exit(7)
 162         return(hello)
 163 
 164     def Get_SCPI():
 165         #if options.verbose:
 166         #    print ('SYST:VERSion?')
 167         ser.write('SYST:VERSion?\n'.encode('utf-8'))
 168         if (usb == 1):
 169             hello = ser.readline()[0:-2]
 170         else:
 171             hello = tn_read()
 172         dummy = w.sSCPI_ver.set(hello)
 173         return(hello)
 174 
 175     def Get_Status():
 176         #if options.verbose:
 177         #    print ("*STB?")
 178         ser.write('*STB?\n'.encode('utf-8'))
 179         if (usb == 1):
 180             hello = ser.readline()[0:-2]
 181         else:
 182             hello = tn_read()
 183         Stat = hello.decode(encoding='UTF-8')
 184         #print ('Status: '+Stat)
 185         return(Stat)
 186 
 187     def Get_Ampere_rng():
 188         global fI_min, fI_max
 189         ser.write('SOUR:CURR? MIN\n'.encode('utf-8'))
 190         if (usb == 1):
 191             hello = ser.readline()[0:-2]
 192         else:
 193             hello = tn_read()
 194         sAmpere_rng = hello.decode(encoding='UTF-8')
 195         fI_min = float(hello)
 196         ser.write('SOUR:CURR? MAX\n'.encode('utf-8'))
 197         if (usb == 1):
 198             hello = ser.readline()[0:-2]
 199         else:
 200             hello = tn_read()
 201         hello2 = hello.decode(encoding='UTF-8')
 202         sAmpere_rng = sAmpere_rng + " -  " + hello2 + " A"
 203         dummy = w.sAmpere_rng.set(sAmpere_rng)
 204         fI_max = float(hello)
 205         return(sAmpere_rng)
 206 
 207     def Get_Volt_rng():
 208         global fU_min, fU_max
 209         ser.write('SOUR:VOLT? MIN\n'.encode('utf-8'))
 210         if (usb == 1):
 211             hello = ser.readline()[0:-2]
 212         else:
 213             hello = tn_read()
 214         sVolt_rng = hello.decode(encoding='UTF-8')
 215         fU_min = float(hello)
 216         ser.write('SOUR:VOLT? MAX\n'.encode('utf-8'))
 217         if (usb == 1):
 218             hello = ser.readline()[0:-2]
 219         else:
 220             hello = tn_read()
 221         hello2 = hello.decode(encoding='UTF-8')
 222         sVolt_rng = sVolt_rng + " -  " + hello2 + " V"
 223         dummy = w.sVolt_rng.set(sVolt_rng)
 224         fU_max = float(hello)
 225         return(sVolt_rng)
 226 
 227     def Get_I1_Set():
 228         ser.write('SOUR:CURR?\n'.encode('utf-8'))
 229         if (usb == 1):
 230             hello = ser.readline()[0:-2]
 231         else:
 232             hello = tn_read()
 233         sI1set = hello.decode(encoding='UTF-8')
 234         #print ('I_set '+sI_set)
 235         dummy = w.sI1_set.set(sI1set)
 236         hello= float(sI1set[0:4]) # for debug
 237         return(hello)
 238     
 239     def Get_I2_Set():
 240         ser.write('INST:NSEL 2\n'.encode('utf-8'))
 241         ser.write('SOUR:CURR?\n'.encode('utf-8'))
 242         if (usb == 1):
 243             hello = ser.readline()[0:-2]
 244         else:
 245             hello = tn_read()
 246         ser.write('INST:NSEL 1\n'.encode('utf-8'))
 247         sI2set = hello.decode(encoding='UTF-8')
 248         #print ('I_set '+sI_set)
 249         dummy = w.sI2_set.set(sI2set)
 250         hello = float(sI2set[0:4]) # for debug
 251         return(hello)
 252 
 253     def Get_U1_Set():
 254         ser.write('SOUR:VOLT?\n'.encode('utf-8'))
 255         if (usb == 1):
 256             hello = ser.readline()[0:-2]
 257         else:
 258             hello = tn_read()
 259         #print(hello)
 260         sU1set = hello.decode(encoding='UTF-8')
 261         #print ('U1set '+sU1set)
 262         hello = float(sU1set)
 263         dummy = w.sU1_set.set(sU1set)
 264         return(hello)
 265 
 266     def Get_U2_Set():
 267         #print ('PSU Set ')
 268         ser.write('INST:NSEL 2\n'.encode('utf-8'))
 269         #ser.write('INST:NSEL?\n'.encode('utf-8'))
 270         ser.write('SOUR:VOLT?\n'.encode('utf-8'))
 271         if (usb == 1):
 272             hello = ser.readline()[0:-2]
 273         else:
 274             hello = tn_read()
 275         ser.write('INST:NSEL 1\n'.encode('utf-8'))
 276         sU2set = hello.decode(encoding='UTF-8')
 277         hello = float(sU2set)
 278         dummy = w.sU2_set.set(sU2set)
 279         return(hello)
 280 
 281     def Get_OP():
 282         ser.write(('OUTP:STAT?\n').encode('utf-8'))
 283         if (usb == 1):
 284             hello = ser.readline()[0:-2]
 285         else:
 286             hello = tn_read()
 287         return(hello.decode(encoding='UTF-8'))
 288 
 289     def SetOP(OnOff):
 290         ser.write(('OUTP:STAT ' + OnOff + '\n').encode('utf-8'))
 291         print(OnOff)
 292         return()
 293 
 294     def SetPSU1():
 295         sI1set = w.sI1_set.get()
 296         I1set = float(sI1set)
 297         if (I1set > fI_max): I1set = fI_max
 298         if (I1set < fI_min): I1set = fI_min
 299         sI1set = "{0:.2f}".format(I1set)       
 300         ser.write(('SOUR:CURR ' + sI1set+ '\n').encode('utf-8') )
 301         dummy = w.sI1_set.set(sI1set) # show limited value
 302         
 303         sU1set = w.sU1_set.get()
 304         U1set = float(sU1set)
 305         if (U1set > fU_max): U1set = fU_max
 306         if (U1set < fU_min): U1set = fU_min
 307         sU1set = "{0:.1f}".format(U1set)
 308         ser.write(('SOUR:VOLT ' + sU1set + '\n').encode('utf-8'))
 309         dummy = w.sU1_set.set(sU1set)
 310         return
 311 
 312     def SetPSU2():
 313         ser.write('INST:NSEL 2\n'.encode('utf-8'))
 314         sI2set = w.sI2_set.get()
 315         I2set = float(sI2set)
 316         if (I2set > fI_max): I2set = fI_max
 317         if (I2set < fI_min): I2set = fI_min
 318         sI2set = "{0:.2f}".format(I2set) 
 319         ser.write(('SOUR:CURR ' + sI2set + '\n').encode('utf-8'))
 320         dummy = w.sI2_set.set(sI2set)
 321         
 322         sU2set = w.sU2_set.get()
 323         U2set = float(sU2set)
 324         if (U2set > fU_max): U2set = fU_max
 325         if (U2set < fU_min): U2set = fU_min
 326         sU2set = "{0:.1f}".format(U2set)
 327         ser.write(('SOUR:VOLT ' + sU2set + '\n').encode('utf-8'))
 328         ser.write('INST:NSEL 1\n'.encode('utf-8'))
 329         dummy = w.sU2_set.set(sU2set)
 330         return
 331 
 332     def I1_Actual():
 333         ser.write('MEAS:CURR\n'.encode('utf-8'))
 334         if (usb == 1):
 335             hello = ser.readline()[0:-2]
 336         else:
 337             hello = tn_read()
 338         sI1act = hello.decode(encoding='UTF-8')
 339         #print ('I_act '+sI1act)
 340         dummy = w.sI1_act.set(sI1act)
 341         hello = float(sI1act)
 342         return(hello)
 343 
 344     def I2_Actual():
 345         ser.write('INST:NSEL 2\n'.encode('utf-8'))
 346         ser.write('MEAS:CURR\n'.encode('utf-8'))
 347         if (usb == 1):
 348             hello = ser.readline()[0:-2]
 349         else:
 350             hello = tn_read()
 351         ser.write('INST:NSEL 1\n'.encode('utf-8'))
 352         sI2act = hello.decode(encoding='UTF-8')
 353         dummy = w.sI2_act.set(sI2act)
 354         hello = float(sI2act)
 355         return(hello)
 356 
 357     def U1_Actual():
 358         ser.write('MEAS:VOLT\n'.encode('utf-8'))
 359         if (usb == 1):
 360             hello = ser.readline()[0:-2]
 361         else:
 362             hello = tn_read()
 363         sU1act = hello.decode(encoding='UTF-8')
 364         #print ('V_act '+sV_act)
 365         dummy = w.sU1_act.set(sU1act)
 366         hello = float(sU1act)
 367         return(hello)
 368 
 369     def U2_Actual():
 370         ser.write('INST:NSEL 2\n'.encode('utf-8'))
 371         ser.write('MEAS:VOLT\n'.encode('utf-8'))
 372         if (usb == 1):
 373             hello = ser.readline()[0:-2]
 374         else:
 375             hello = tn_read()
 376         ser.write('INST:NSEL 1\n'.encode('utf-8'))
 377         sU2act = hello.decode(encoding='UTF-8')
 378         #print ('U2act '+sU2act)
 379         dummy = w.sU2_act.set(sU2act)
 380         hello = float(sU2act)
 381         return(hello)
 382 
 383     def W1_Calc():
 384         W1act = I1actual * U1actual
 385         sW1act = "{0:.2f}".format(W1act)
 386         dummy = w.sW1_act.set(sW1act)
 387         return(W1act)
 388 
 389     def W2_Calc():
 390         W2act = I2actual * U2actual
 391         sW2act = "{0:.2f}".format(W2act)
 392         dummy = w.sW2_act.set(sW2act)
 393         return(W2act)
 394     
 395     def STB_act():
 396         ser.write('*STB?\n'.encode('utf-8'))
 397         if (usb == 1):
 398             hello = ser.readline()[0:-2]
 399         else:
 400             hello = tn_read()
 401         if ((hello[0] & 0x01) > 0):
 402             w.Entry2.configure(background='Yellow')
 403         else:
 404             w.Entry2.configure(background='White')
 405         if ((hello[0] & 0x02) > 0):
 406             #print ('yellow')
 407             w.Entry4.configure(background="Yellow")
 408         else:
 409             w.Entry4.configure(background='White')
 410         if ((hello[0] & 0x04) == 0):
 411             intRemote = 0
 412             w.Radiobutton4.select()
 413         return(hello)
 414 
 415     def U1enter(event):
 416         global U1over
 417         U1over = 1
 418         w.Entry13.configure(background="Aquamarine")
 419         return
 420 
 421     def U1leave(event):
 422         global U1over
 423         U1over = 0
 424         w.Entry13.configure(background="Bisque")
 425         return
 426     
 427     def U1Return(event):
 428         w.Entry13.configure(background="Bisque")
 429         dummy = SetPSU1()
 430         return
 431 
 432     def U2enter(event):
 433         global U2over
 434         U2over = 1
 435         w.Entry14.configure(background="Aquamarine")
 436         return
 437 
 438     def U2leave(event):
 439         global U2over
 440         U2over = 0
 441         w.Entry14.configure(background="Bisque")
 442         return
 443     
 444     def U2Return(event):
 445         w.Entry14.configure(background="Bisque")
 446         dummy = SetPSU2()
 447         return
 448 
 449     def mouse_wheel(event):
 450         if os_name == "Darwin":
 451             count = event.delta
 452         if os_name == "Linux":
 453             if (event.num == 4): count = 1
 454             if (event.num == 5): count = -1
 455         if os_name == "Windows":
 456             count = int(event.delta/120)
 457         if (U1over == 1):
 458             sU1set = w.sU1_set.get()
 459             U1set = float(sU1set)
 460             if (count > 0):
 461                 U1set += 0.1
 462                 if (U1set > fU_max): U1set = fU_max
 463             else:
 464                 U1set -= 0.1
 465                 if (U1set < fU_min): U1set = fU_min
 466             sU1set = "{0:.1f}".format(U1set)
 467             w.sU1_set.set(sU1set)
 468             ser.write(('SOUR:VOLT ' + sU1set + '\n').encode('utf-8'))
 469         if (U2over == 1):
 470             sU2set = w.sU2_set.get()
 471             U2set = float(sU2set)
 472             if (count > 0):
 473                 U2set += 0.1
 474                 if (U2set > fU_max): U2set = fU_max
 475             else:
 476                 U2set -= 0.1
 477                 if (U2set < fU_min): U2set = fU_min
 478             sU2set = "{0:.1f}".format(U2set)
 479             w.sU2_set.set(sU2set)
 480             ser.write('INST:NSEL 2\n'.encode('utf-8'))
 481             ser.write(('SOUR:VOLT ' + sU2set + '\n').encode('utf-8'))
 482             ser.write('INST:NSEL 1\n'.encode('utf-8'))
 483             
 484     def CL1FocusIn(event):
 485         w.Entry7.configure(background="Aquamarine")
 486         return
 487             
 488     def CL1Return(event):
 489         w.Entry7.configure(background="Bisque")
 490         dummy = SetPSU1()
 491         return
 492     
 493     def CL2FocusIn(event):
 494         w.Entry8.configure(background="Aquamarine")
 495         return
 496             
 497     def CL2Return(event):
 498         w.Entry8.configure(background="Bisque")
 499         dummy = SetPSU2()
 500         return
 501 
 502     def Update_PSU():
 503         global I1actual, U1actual
 504         global I2actual, U2actual
 505         I1actual = I1_Actual()
 506         I2actual = I2_Actual()
 507         U1actual = U1_Actual()
 508         U2actual = U2_Actual()
 509         W1actual = W1_Calc()
 510         W2actual = W2_Calc()
 511         dummy = STB_act()
 512         if (intRemote == 0):
 513            U1set = Get_U1_Set()
 514            U2set = Get_U2_Set()
 515            I1set = Get_I1_Set()
 516            I2set = Get_I2_Set()
 517 
 518         #I_actual = "{0:.2f}".format(I_Actual())
 519         #iReadoutLabel.configure(text="{} {}".format(I_actual, 'A'))
 520         #print(I_actual)
 521     
 522     def Application_Loop():
 523         root.after(375, Update_PSU)
 524         root.after(500, Application_Loop)
 525 
 526     def destroy_LabPSU2tk():
 527         ser.write('SYST:LOC\n'.encode('utf-8'))
 528         global w
 529         w.destroy()
 530         w = None
 531         
 532 
 533     class LabPSU2tk:
 534         def __init__(self, master, params):
 535             _bgcolor = '#d9d9d9'  # X11 color: 'gray85'
 536             _fgcolor = '#000000'  # X11 color: 'black'
 537             _compcolor = '#d9d9d9' # X11 color: 'gray85'
 538             _ana1color = '#d9d9d9' # X11 color: 'gray85' 
 539             _ana2color = '#d9d9d9' # X11 color: 'gray85' 
 540             master.configure(background="#d9d9d9")
 541 
 542             self.Labelframe1 = LabelFrame(master)
 543             self.Labelframe1.place(relx=0.02, rely=0.11, relheight=0.87, relwidth=0.96)
 544             self.Labelframe1.configure(relief=GROOVE)
 545             self.Labelframe1.configure(borderwidth="2")
 546             self.Labelframe1.configure(relief=GROOVE)
 547             self.Labelframe1.configure(text='''Version:2016-10-15, use mouse wheel to set voltage. Return key to Set''')
 548             self.Labelframe1.configure(background=_bgcolor)
 549             self.Labelframe1.configure(width=498)
 550 
 551             self.Button1 = Button(self.Labelframe1)
 552             self.Button1.place(relx=0.07, rely=0.1, height=28, width=84)
 553             self.Button1.configure(activebackground="#d9d9d9")
 554             self.Button1.configure(activeforeground="#000000")
 555             self.Button1.configure(bg="cyan", relief="raised")
 556             self.Button1.configure(foreground="#000000")
 557             self.Button1.configure(highlightbackground="#d9d9d9")
 558             self.Button1.configure(highlightcolor="black")
 559             self.Button1.configure(text='''PSU1''')
 560             #self.Button1.configure(text='''SetPSU1''', command = SetPSU1)
 561 
 562             self.Button2 = Button(self.Labelframe1)
 563             self.Button2.place(relx=0.63, rely=0.1, height=28, width=84)
 564             self.Button2.configure(activebackground="#d9d9d9")
 565             self.Button2.configure(activeforeground="#000000")
 566             self.Button2.configure(background="cyan")
 567             self.Button2.configure(foreground="#000000")
 568             self.Button2.configure(highlightbackground="#d9d9d9")
 569             self.Button2.configure(highlightcolor="black")
 570             self.Button2.configure(text='''PSU2''')
 571             #self.Button2.configure(text='''SetPSU2''', command = SetPSU2)
 572 
 573             # Radiobutton ON/OFF
 574             self.psu_on = StringVar()                
 575             self.Radiobutton1 = Radiobutton(self.Labelframe1)
 576             self.Radiobutton1.place(relx=0.44, rely=0.13, relheight=0.08
 577                     , relwidth=0.1)
 578             self.Radiobutton1.configure(activebackground="#d9d9d9")
 579             self.Radiobutton1.configure(activeforeground="#000000")
 580             self.Radiobutton1.configure(background=_bgcolor)
 581             self.Radiobutton1.configure(foreground="#000000")
 582             self.Radiobutton1.configure(highlightbackground="#d9d9d9")
 583             self.Radiobutton1.configure(highlightcolor="black")
 584             self.Radiobutton1.configure(justify=LEFT)
 585             self.Radiobutton1.configure(text='''ON''', command = self.PSU_ON)
 586             self.Radiobutton1.configure(variable=self.psu_on, value='ON')
 587             if params['psu_on'] == 'ON':
 588                 self.Radiobutton1.select()
 589 
 590             self.Radiobutton2 = Radiobutton(self.Labelframe1)
 591             self.Radiobutton2.place(relx=0.44, rely=0.25, relheight=0.08
 592                     , relwidth=0.11)
 593             self.Radiobutton2.configure(activebackground="#d9d9d9")
 594             self.Radiobutton2.configure(activeforeground="#000000")
 595             self.Radiobutton2.configure(background=_bgcolor)
 596             self.Radiobutton2.configure(foreground="#000000")
 597             self.Radiobutton2.configure(highlightbackground="#d9d9d9")
 598             self.Radiobutton2.configure(highlightcolor="black")
 599             self.Radiobutton2.configure(justify=LEFT)
 600             self.Radiobutton2.configure(text='''OFF''', command = self.PSU_OFF)
 601             self.Radiobutton2.configure(variable=self.psu_on, value='OFF')
 602             if params['psu_on'] == 'OFF':
 603                 self.Radiobutton2.select()
 604                
 605             self.sU1_act = StringVar()
 606             self.Entry1 = Entry(self.Labelframe1, textvariable=self.sU1_act)
 607             self.Entry1.place(relx=0.08, rely=0.22, relheight=0.08, relwidth=0.14)
 608             self.Entry1.configure(takefocus="")
 609             self.Entry1.configure(cursor="xterm")
 610 
 611             self.Label3 = Label(self.Labelframe1)
 612             self.Label3.place(relx=0.27, rely=0.22, height=30, width=25)
 613             self.Label3.configure(background=_bgcolor)
 614             self.Label3.configure(foreground="#000000")
 615             self.Label3.configure(relief=FLAT)
 616             self.Label3.configure(text='''V1''')
 617 
 618             self.sI1_act = StringVar()
 619             self.Entry2 = Entry(self.Labelframe1, textvariable=self.sI1_act)
 620             self.Entry2.place(relx=0.08, rely=0.41, relheight=0.08, relwidth=0.14)
 621             self.Entry2.configure(takefocus="")
 622             self.Entry2.configure(cursor="xterm")
 623 
 624             self.Label4 = Label(self.Labelframe1)
 625             self.Label4.place(relx=0.27, rely=0.41, height=30, width=25)
 626             self.Label4.configure(background=_bgcolor)
 627             self.Label4.configure(foreground="#000000")
 628             self.Label4.configure(relief=FLAT)
 629             self.Label4.configure(text='''A1''')
 630 
 631             self.sU2_act = StringVar()
 632             self.Entry3 = Entry(self.Labelframe1, textvariable=self.sU2_act)
 633             self.Entry3.place(relx=0.65, rely=0.22, relheight=0.08, relwidth=0.14)
 634             self.Entry3.configure(takefocus="")
 635             self.Entry3.configure(cursor="xterm")
 636 
 637             self.sI2_act = StringVar()
 638             self.Entry4 = Entry(self.Labelframe1,textvariable=self.sI2_act)
 639             self.Entry4.place(relx=0.65, rely=0.41, relheight=0.08, relwidth=0.14)
 640             self.Entry4.configure(takefocus="")
 641             self.Entry4.configure(cursor="xterm")
 642 
 643             self.Label5 = Label(self.Labelframe1)
 644             self.Label5.place(relx=0.86, rely=0.22, height=30, width=25)
 645             self.Label5.configure(background=_bgcolor)
 646             self.Label5.configure(foreground="#000000")
 647             self.Label5.configure(relief=FLAT)
 648             self.Label5.configure(text='''V2''')
 649 
 650             self.Label6 = Label(self.Labelframe1)
 651             self.Label6.place(relx=0.86, rely=0.41, height=30, width=25)
 652             self.Label6.configure(background=_bgcolor)
 653             self.Label6.configure(foreground="#000000")
 654             self.Label6.configure(relief=FLAT)
 655             self.Label6.configure(text='''A2''')
 656 
 657             self.sW1_act = StringVar()
 658             self.Entry5 = Entry(self.Labelframe1, textvariable=self.sW1_act)
 659             self.Entry5.place(relx=0.08, rely=0.6, relheight=0.08, relwidth=0.14)
 660             self.Entry5.configure(takefocus="")
 661             self.Entry5.configure(cursor="xterm")
 662 
 663             self.sW2_act = StringVar()
 664             self.Entry6 = Entry(self.Labelframe1, textvariable=self.sW2_act)
 665             self.Entry6.place(relx=0.65, rely=0.6, relheight=0.08, relwidth=0.14)
 666             self.Entry6.configure(takefocus="")
 667             self.Entry6.configure(cursor="xterm")
 668 
 669             self.Label7 = Label(self.Labelframe1)
 670             self.Label7.place(relx=0.27, rely=0.6, height=30, width=30)
 671             self.Label7.configure(background=_bgcolor)
 672             self.Label7.configure(foreground="#000000")
 673             self.Label7.configure(relief=FLAT)
 674             self.Label7.configure(text='''W1''')
 675 
 676             self.Label8 = Label(self.Labelframe1)
 677             self.Label8.place(relx=0.86, rely=0.6, height=30, width=30)
 678             self.Label8.configure(background=_bgcolor)
 679             self.Label8.configure(foreground="#000000")
 680             self.Label8.configure(relief=FLAT)
 681             self.Label8.configure(text='''W2''')
 682 
 683             self.Label9 = Label(self.Labelframe1)
 684             self.Label9.place(relx=0.25, rely=0.51, height=30, width=48)
 685             self.Label9.configure(background=_bgcolor)
 686             self.Label9.configure(foreground="#000000")
 687             self.Label9.configure(relief=FLAT)
 688             self.Label9.configure(text='''CLimit1''')
 689 
 690             self.sI1_set = StringVar()
 691             self.Entry7 = Entry(self.Labelframe1, textvariable=self.sI1_set)
 692             self.Entry7.place(relx=0.08, rely=0.51, relheight=0.08, relwidth=0.14)
 693             self.Entry7.configure(background="Bisque")
 694             self.Entry7.configure(takefocus="")
 695             self.Entry7.configure(cursor="xterm")
 696             self.Entry7.bind('<FocusIn>', CL1FocusIn)
 697             self.Entry7.bind('<Return>', CL1Return)
 698 
 699             self.Label10 = Label(self.Labelframe1)
 700             self.Label10.place(relx=0.84, rely=0.51, height=30, width=48)
 701             self.Label10.configure(background=_bgcolor)
 702             self.Label10.configure(foreground="#000000")
 703             self.Label10.configure(relief=FLAT)
 704             self.Label10.configure(text='''CLimit2''')
 705 
 706             self.sI2_set = StringVar()
 707             self.Entry8 = Entry(self.Labelframe1, textvariable=self.sI2_set)
 708             self.Entry8.place(relx=0.65, rely=0.51, relheight=0.08, relwidth=0.14)
 709             self.Entry8.configure(background="Bisque")
 710             self.Entry8.configure(takefocus="")
 711             self.Entry8.configure(cursor="xterm")
 712             self.Entry8.bind('<FocusIn>', CL2FocusIn)
 713             self.Entry8.bind('<Return>', CL2Return)
 714 
 715             self.Label11 = Label(self.Labelframe1)
 716             self.Label11.place(relx=0.01, rely=0.73, height=20, width=31)
 717             self.Label11.configure(background=_bgcolor)
 718             self.Label11.configure(foreground="#000000")
 719             self.Label11.configure(relief=FLAT)
 720             self.Label11.configure(text='''IDN:''')
 721 
 722             self.sPSU_ID = StringVar()
 723             self.Entry9 = Entry(self.Labelframe1, textvariable=self.sPSU_ID)
 724             self.Entry9.place(relx=0.08, rely=0.73, relheight=0.08, relwidth=0.46)
 725             self.Entry9.configure(width=190)
 726             self.Entry9.configure(takefocus="")
 727             self.Entry9.configure(cursor="xterm")
 728 
 729             self.Label12 = Label(self.Labelframe1)
 730             self.Label12.place(relx=0.60, rely=0.73, height=20, width=89)
 731             self.Label12.configure(background=_bgcolor)
 732             self.Label12.configure(foreground="#000000")
 733             self.Label12.configure(relief=FLAT)
 734             self.Label12.configure(text='''SCPI Version:''')
 735 
 736             self.sSCPI_ver = StringVar()
 737             self.Entry10 = Entry(self.Labelframe1, textvariable=self.sSCPI_ver)
 738             self.Entry10.place(relx=0.79, rely=0.73, relheight=0.08, relwidth=0.19)
 739             self.Entry10.configure(takefocus="")
 740             self.Entry10.configure(cursor="xterm")
 741 
 742             self.Label13 = Label(self.Labelframe1)
 743             self.Label13.place(relx=0.01, rely=0.83, height=20, width=32)
 744             self.Label13.configure(background=_bgcolor)
 745             self.Label13.configure(foreground="#000000")
 746             self.Label13.configure(relief=FLAT)
 747             self.Label13.configure(text='''Volt:''')
 748 
 749             self.sVolt_rng = StringVar()
 750             self.Entry11 = Entry(self.Labelframe1, textvariable=self.sVolt_rng)
 751             self.Entry11.place(relx=0.08, rely=0.83, relheight=0.08, relwidth=0.25)
 752             self.Entry11.configure(takefocus="")
 753             self.Entry11.configure(cursor="xterm")
 754 
 755             self.Label14 = Label(self.Labelframe1)
 756             self.Label14.place(relx=0.60, rely=0.83, height=20, width=56)
 757             self.Label14.configure(background=_bgcolor)
 758             self.Label14.configure(foreground="#000000")
 759             self.Label14.configure(relief=FLAT)
 760             self.Label14.configure(text='''Ampere:''')
 761 
 762             self.sAmpere_rng = StringVar()
 763             self.Entry12 = Entry(self.Labelframe1, textvariable=self.sAmpere_rng)
 764             self.Entry12.place(relx=0.73, rely=0.83, relheight=0.08, relwidth=0.25)
 765             self.Entry12.configure(takefocus="")
 766             self.Entry12.configure(cursor="xterm")
 767 
 768             self.sU1_set = StringVar()
 769             self.Entry13 = Entry(self.Labelframe1, textvariable=self.sU1_set)
 770             self.Entry13.place(relx=0.08, rely=0.32, relheight=0.08, relwidth=0.14)
 771             self.Entry13.configure(width=70)
 772             self.Entry13.configure(background="Bisque")
 773             self.Entry13.configure(takefocus="")
 774             self.Entry13.configure(cursor="xterm")
 775             self.Entry13.bind('<Enter>', U1enter)
 776             self.Entry13.bind('<Leave>', U1leave)
 777             self.Entry13.bind('<Return>', U1Return)
 778 
 779             self.Label15 = Label(self.Labelframe1)
 780             self.Label15.place(relx=0.25, rely=0.32, height=30, width=42)
 781             self.Label15.configure(background=_bgcolor)
 782             self.Label15.configure(foreground="#000000")
 783             self.Label15.configure(relief=FLAT)
 784             self.Label15.configure(text='''Uset1''')
 785             self.Label15.configure(width=42)
 786 
 787             self.sU2_set = StringVar()
 788             self.Entry14 = Entry(self.Labelframe1, textvariable=self.sU2_set)
 789             self.Entry14.place(relx=0.65, rely=0.32, relheight=0.08, relwidth=0.14)
 790             self.Entry14.configure(width=80)
 791             self.Entry14.configure(background="Bisque")
 792             self.Entry14.configure(takefocus="")
 793             self.Entry14.configure(cursor="xterm")
 794             self.Entry14.bind('<Enter>', U2enter)
 795             self.Entry14.bind('<Leave>', U2leave)
 796             self.Entry14.bind('<Return>', U2Return)
 797 
 798             self.Label16 = Label(self.Labelframe1)
 799             self.Label16.place(relx=0.84, rely=0.32, height=30, width=42)
 800             self.Label16.configure(background=_bgcolor)
 801             self.Label16.configure(foreground="#000000")
 802             self.Label16.configure(relief=FLAT)
 803             self.Label16.configure(text='''Uset2''')
 804             self.Label16.configure(width=42)
 805 
 806             self.Frame2 = Frame(self.Labelframe1)
 807             self.Frame2.place(relx=0.38, rely=0.36, relheight=0.24, relwidth=0.21)
 808             self.Frame2.configure(relief=GROOVE)
 809             self.Frame2.configure(borderwidth="2")
 810             self.Frame2.configure(relief=GROOVE)
 811             self.Frame2.configure(background=_bgcolor)
 812             self.Frame2.configure(width=105)
 813 
 814             # Remote / Local
 815             self.remote = StringVar()
 816             self.Radiobutton3 = Radiobutton(self.Frame2)
 817             self.Radiobutton3.place(relx=0.1, rely=0.13, relheight=0.32
 818                     , relwidth=0.72)
 819             self.Radiobutton3.configure(activebackground="#d9d9d9")
 820             self.Radiobutton3.configure(activeforeground="#000000")
 821             self.Radiobutton3.configure(background=_bgcolor)
 822             self.Radiobutton3.configure(foreground="#000000")
 823             self.Radiobutton3.configure(highlightbackground="#d9d9d9")
 824             self.Radiobutton3.configure(highlightcolor="black")
 825             self.Radiobutton3.configure(justify=LEFT)
 826             self.Radiobutton3.configure(text='''Remote''', command = self.Remote_ON)
 827             self.Radiobutton3.configure(variable=self.remote, value='ON')
 828             if params['remote'] == 'ON':
 829                 self.Radiobutton3.select()
 830 
 831             self.Radiobutton4 = Radiobutton(self.Frame2)
 832             self.Radiobutton4.place(relx=0.1, rely=0.53, relheight=0.32
 833                     , relwidth=0.59)
 834             self.Radiobutton4.configure(activebackground="#d9d9d9")
 835             self.Radiobutton4.configure(activeforeground="#000000")
 836             self.Radiobutton4.configure(background=_bgcolor)
 837             self.Radiobutton4.configure(foreground="#000000")
 838             self.Radiobutton4.configure(highlightbackground="#d9d9d9")
 839             self.Radiobutton4.configure(highlightcolor="black")
 840             self.Radiobutton4.configure(justify=LEFT)
 841             self.Radiobutton4.configure(text='''Local''', command = self.Remote_OFF)
 842             self.Radiobutton4.configure(variable=self.remote, value='OFF')
 843             if params['remote'] == 'OFF':
 844                 self.Radiobutton4.select()
 845         
 846         def PSU_ON(self):
 847             SetOP('ON')
 848 
 849         def PSU_OFF(self):
 850             SetOP('OFF')
 851 
 852         def Remote_ON(self):
 853             ser.write('SYST:REM\n'.encode('utf-8'))
 854             intRemote = 1
 855 
 856         def Remote_OFF(self):
 857             ser.write('SYST:LOC\n'.encode('utf-8'))
 858             intRemote = 0
 859             
 860 
 861     #---------------- TK loop -------
 862     #start1 = time.time()
 863     root = Tk()
 864     root.title('LabPSU2tk')
 865     geom = "500x364+462+112"
 866     root.geometry(geom)
 867     w = LabPSU2tk (root, params)
 868     top_level = root
 869     
 870     # validate Current Limit entry value, and send to PSU
 871     
 872     vcmd2 = (root.register(SetPSU2), '%S')
 873     #stop1 = time.time()
 874     #print (stop1 - start1)
 875 
 876     #------------ Initialize
 877     I1actual = 0.0
 878     I2actual = 0.0
 879     U1actual = 0.5
 880     U2actual = 0.5
 881     U1over = 0
 882     U2over = 0
 883     if (usb == 1):
 884         # skip Reset time of Arduino
 885         time.sleep(5.0)
 886         ser.flushInput()
 887     else:
 888         try:
 889             tn_answer = ser.read_some() # skip init string
 890         except:
 891             print("skip init string: What?")
 892     PSU_ID = Get_ID()
 893     print (PSU_ID)
 894     SCPI_ver = Get_SCPI()
 895     #print (SCPI_ver)
 896     dummy = Get_Ampere_rng()
 897     dummy = Get_Volt_rng()
 898     start2 = time.time()
 899     U1set = Get_U1_Set()
 900     U2set = Get_U2_Set()
 901     I1set = Get_I1_Set()
 902     I2set = Get_I2_Set()
 903     # switch PSU to Remote mode
 904     ser.write('SYST:REM\n'.encode('utf-8'))
 905     intRemote = 1
 906     
 907     stop2 = time.time()
 908     #print (stop2 - start2)
 909 
 910     print ('Output: ' + Get_OP())
 911 
 912     if os_name == "Linux":
 913         root.bind("<4>", mouse_wheel)
 914         root.bind("<5>", mouse_wheel)
 915     else:
 916         root.bind("<MouseWheel>", mouse_wheel)
 917     
 918     Application_Loop()
 919     root.mainloop()                       
 920 
 921 ser.close()