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Control de acceso RFID loop principal

Description

Electricidad y Electrónica Flowchart on Control de acceso RFID loop principal, created by carlos gonzalez on 11/04/2020.
carlos gonzalez
Flowchart by carlos gonzalez, updated more than 1 year ago
carlos gonzalez
Created by carlos gonzalez almost 5 years ago
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Resource summary

Flowchart nodes

  • Start Main Loop
  • any key was pressed?
  • Some TAG was presented?
  • TAG presented is TAG MASTER ?
  • PROGRAMMING MODE
  • key pressed is "#" ?
  • Read TAG number n of the eeprom
  • TAG presented== TAG read from the eeprom
  • number of TAGs read ​​​​​​++
  • LCD: enter password
  • any key was pressed?
  • key pressed is "#" ?
  • concatenate keys pressed to form key
  • LCD: enter password keys pressed
  • key pressed is "*" ?
  • number of TAGs read > number of stored TAGs?
  • Access Denied
  • LCD: Access Denied
  • access granted open chosen exit
  • LCD: access granted
  • Read byte [4] of the TAG number read from the eeprom to obtain the relays allowed by this TAG
  • LCD: enter door to open 1   2   3   4  
  • any key was pressed?
  • key pressed equals allowed output?
  • number of password  TAGs read ​​​​​​++
  •  password read > number of stored password  TAGs?
  • Read password of each TAG number n of the eeprom
  • password read = password TAG read from the eeprom
  • Access Denied
  • LCD: Access Denied
  • password read = master password 
  • Read byte [4] of the TAG number associated with the key entered from the eeprom to get the relays allowed by this TAG
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