mainTestbed.py

import RPi.GPIO as GPIO
import csv, os, time, RpiInit, subprocess
from datetime import datetime
from Tah_Testing import Tah 
from lcd import HD44780


#GPIO.setmode(GPIO.BOARD)
#GPIO.setup(22, GPIO.OUT, pull_up_down=GPIO.PUD_UP)

prev_state = 0
testbed = Tah()
lcd = HD44780()

lcd.__init__()
lcd.clear()
lcd.message('Begin Testing')

datestamp =  "%s-%s-%s" % (datetime.now().year,datetime.now().month, datetime.now().day)
datestamp = 'logs/'+datestamp + '.csv'

f = open(datestamp, 'a+')
writer = csv.writer(f)
writer.writerow( ('Sr.No', 'Start Time', 'End Time','Elapsed Time','Remark') )

row =5
col =0
count =0
val =0
i=0

try : 
    while True:
	RpiInit.init()
        val =val+1
        # Switch input 
        startTest = GPIO.input(11)		#Read Start pulse from Switch S1
        print startTest
        if((not prev_state) and startTest):	#switch press
            GPIO.output(23,GPIO.HIGH)		#Buzzer ON
            time.sleep(0.5)
            GPIO.output(23,GPIO.LOW)		# OFF Buzzer
            
            #Change port 
#            os.system("sudo python /home/pi/Tah_Testbed/testbedpatch.py")
            os.chdir('/dev') # change this to /dev eventually
            ls = subprocess.Popen('ls', stdout=subprocess.PIPE)
            grep = subprocess.check_output(('grep','ACM[0-9]'), stdin=ls.stdout)
            ls.wait()
            port = grep.rstrip()
            print port
            
            #Test  Start Time Log
            lcd.__init__()
            StartTime  = datetime.now()

            
            # Now test for Analog HIGH states
            lcd.__init__()
            lcd.message('Analog Testing')

            os.chdir("/home/pi/Tah_Testbed/"+port+"/setAnalogHigh/")
            os.system("make")
            os.system("make upload")
            time.sleep(1)
            AH = testbed.testAnalogHigh()
            print AH

            lcd.__init__()
            lcd.message('GPIO Testing...')

            os.chdir("/home/pi/Tah_Testbed/"+port+"/setGPIOHigh/")
            os.system("make")
            os.system("make upload")
            time.sleep(1)
            DH = testbed.testGPIOHigh()
            
            print DH
            print "Done Testing"
            

            if(AH==6 and DH >=10):
                '''lcd.__init__()
                lcd.message('Uploading ArdSCL')'''

                os.chdir("/home/pi/Tah_Testbed/"+port+"/ArdSCL/")	# Upload ArdSCL sketche
#                os.system("make")
                os.system("make upload")
                
                EndTime  = datetime.now()	
                
                ElapsedTime = EndTime - StartTime
                print "ElapsedTime:",ElapsedTime
                #print "Start Time:",StartTime
                
                writer.writerow((i+1, StartTime, EndTime,ElapsedTime,'PASS')) 
                print 'PASS'
                i=i+1

                GPIO.output(23,GPIO.HIGH)
                time.sleep(1)
                GPIO.output(23,GPIO.LOW)
                
                lcd.__init__()
                lcd.message('Tested OK!')
                
            else:
                EndTime  = datetime.now()

                ElapsedTime = EndTime - StartTime
                print "ElapsedTime:",ElapsedTime

                writer.writerow((i+1, StartTime, EndTime,ElapsedTime,'Failed'))
                i=i+1

                GPIO.output(23,GPIO.HIGH)
                time.sleep(0.5)
                GPIO.output(23,GPIO.LOW)

                lcd.__init__()
                lcd.message('Failed !')

                
        else:
            print "Start Test"
except KeyboardInterrupt:			
    print "Done testing"
    f.close()