Hilfe, Probelme mit Autosart und Phyton

#!/usr/bin/python
#--------------------------------------
#
# Author : Nurmi Paavo
# Date   : 09/05/16
# Projekt: Kompressorsteuerung
#
#--------------------------------------


# Anschluesse des LCD Displays:
# 1 : GND
# 2 : 5V
# 3 : Contrast (0-5V)*
# 4 : RS (Register Select)
# 5 : R/W (Read Write)       - GROUND THIS PIN
# 6 : Enable or Strobe
# 7 : Data Bit 0             - NOT USED
# 8 : Data Bit 1             - NOT USED
# 9 : Data Bit 2             - NOT USED
# 10: Data Bit 3             - NOT USED
# 11: Data Bit 4
# 12: Data Bit 5
# 13: Data Bit 6
# 14: Data Bit 7
# 15: LCD Backlight +5V**
# 16: LCD Backlight GND








#import
import RPi.GPIO as GPIO
import time
import sqlite3




# Define GPIO to LCD mapping
LCD_RS = 7
LCD_E  = 8
LCD_D4 = 25
LCD_D5 = 24
LCD_D6 = 23
LCD_D7 = 18


# Define some device constants
LCD_WIDTH = 16    # Maximum characters per line
LCD_CHR = True
LCD_CMD = False


LCD_LINE_1 = 0x80 # LCD RAM address for the 1st line
LCD_LINE_2 = 0xC0 # LCD RAM address for the 2nd line


# Timing constants
E_PULSE = 0.0005
E_DELAY = 0.0005


def main():
 # Main program block


 GPIO.setmode(GPIO.BCM)       # Use BCM GPIO numbers
 GPIO.setup(LCD_E, GPIO.OUT)  # E
 GPIO.setup(LCD_RS, GPIO.OUT) # RS
 GPIO.setup(LCD_D4, GPIO.OUT) # DB4
 GPIO.setup(LCD_D5, GPIO.OUT) # DB5
 GPIO.setup(LCD_D6, GPIO.OUT) # DB6
 GPIO.setup(LCD_D7, GPIO.OUT) # DB7
 relaise = 22
 GPIO.setup (relaise, GPIO.OUT) #GPIO 22 als Ausgang
 GPIO.output (relaise, GPIO.HIGH)
 
 
 


 # Initialise display
 lcd_init()


 while True:




   # Sendet diesen Text
   lcd_string("TSC MaLu",LCD_LINE_1)
   lcd_string("Chip vorhalten",LCD_LINE_2)
   
   DatenAbfrage()
   #ChipEinlesen()






def lcd_init():
 # Initialise display
 lcd_byte(0x33,LCD_CMD) # 110011 Initialise
 lcd_byte(0x32,LCD_CMD) # 110010 Initialise
 lcd_byte(0x06,LCD_CMD) # 000110 Cursor move direction
 lcd_byte(0x0C,LCD_CMD) # 001100 Display On,Cursor Off, Blink Off
 lcd_byte(0x28,LCD_CMD) # 101000 Data length, number of lines, font size
 lcd_byte(0x01,LCD_CMD) # 000001 Clear display
 time.sleep(E_DELAY)






def DatenAbfrage():


con = sqlite3.connect("nutzer.db")
dbcursor = con.cursor()




ke = input() # Liest den Chip ein


dbcursor.execute('SELECT * FROM fueller WHERE kennung=?', (ke,))


a = (dbcursor.fetchone())


if a == None:
ZugangVerweigert() 
else:
ZugangErlaubt()






con.close()




def ZugangVerweigert():




# Sendet diesen Text
   lcd_string("TSC MaLu",LCD_LINE_1)
   lcd_string("Zugang verboten",LCD_LINE_2)
   
   time.sleep(3) # 3 second delay
   
   








def ZugangErlaubt():




   relaise = 22
   
   #GPIO.output (relaise, GPIO.HIGH)
   
   # Sendet diesen Text
   lcd_string("TSC MaLu",LCD_LINE_1)
   lcd_string("Fuellen erlaubt",LCD_LINE_2)


   #Chip = input() # Liest den Chip ein
   
   # Sendet diesen Text
   #lcd_string("Chip Zahl",LCD_LINE_1)
   #lcd_string(Chip ,LCD_LINE_2)
   
   GPIO.output (relaise, GPIO.LOW)


   time.sleep(3) # 3 second delay
   
   GPIO.output (relaise, GPIO.HIGH)




def lcd_byte(bits, mode):
 # Send byte to data pins
 # bits = data
 # mode = True  for character
 #        False for command


 GPIO.output(LCD_RS, mode) # RS


 # High bits
 GPIO.output(LCD_D4, False)
 GPIO.output(LCD_D5, False)
 GPIO.output(LCD_D6, False)
 GPIO.output(LCD_D7, False)
 if bits&0x10==0x10:
   GPIO.output(LCD_D4, True)
 if bits&0x20==0x20:
   GPIO.output(LCD_D5, True)
 if bits&0x40==0x40:
   GPIO.output(LCD_D6, True)
 if bits&0x80==0x80:
   GPIO.output(LCD_D7, True)


 # Toggle 'Enable' pin
 lcd_toggle_enable()


 # Low bits
 GPIO.output(LCD_D4, False)
 GPIO.output(LCD_D5, False)
 GPIO.output(LCD_D6, False)
 GPIO.output(LCD_D7, False)
 if bits&0x01==0x01:
   GPIO.output(LCD_D4, True)
 if bits&0x02==0x02:
   GPIO.output(LCD_D5, True)
 if bits&0x04==0x04:
   GPIO.output(LCD_D6, True)
 if bits&0x08==0x08:
   GPIO.output(LCD_D7, True)


 # Toggle 'Enable' pin
 lcd_toggle_enable()


def lcd_toggle_enable():
 # Toggle enable
 time.sleep(E_DELAY)
 GPIO.output(LCD_E, True)
 time.sleep(E_PULSE)
 GPIO.output(LCD_E, False)
 time.sleep(E_DELAY)


def lcd_string(message,line):
 # Send string to display


 message = message.ljust(LCD_WIDTH," ")


 lcd_byte(line, LCD_CMD)


 for i in range(LCD_WIDTH):
   lcd_byte(ord(message[i]),LCD_CHR)


if __name__ == '__main__':


 try:
   main()
 except KeyboardInterrupt:
   pass
 finally:
   lcd_byte(0x01, LCD_CMD)
   lcd_string("Goodbye!",LCD_LINE_1)
   GPIO.cleanup()