To write a Python script that does the DESFire UID manipulation, please refer to the steps below:
STEP Step 1:
Create a new Variable (Example: var_uid) and give it the value of the UID from your database.
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STEP 2:
Drag the var_uid to the card layout.
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STEP 3:
Insert in function the Python script:MIFARE DESFire definition, according to your preferences.
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Step 2:
Insert a Text box on the card.
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Step 3:
A window will pop-up and you change the “Fixed Value” to “Script”.
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Step 4:
After you change the “Fixed Value” to “Script” you define it as uid_var. Then another window will appear, it’s where you attribute the uid_var the value of UID. Then Press Ok.
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Step 5:
Your Insert new object window should look as the image that follows and then you click on the arrow on the left side of varuid.
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Step 6:
Select MIFARE DESFire UID.
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Step 7:
Go to functions.
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On the Functions tab insert the Python Script.
uid = uid_var
str = str(uid)
x = len(str)
uid_var = str[x-8:x] 8 is set as a example:
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STEP 4:
Go to Data\Variables double click on the variable name in this case is: var_uid and give it the value of MIFARE DESFire UID.
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STEP 5:
Go to content and change the window option to script.
After that, please close the properties window
Close the properties window, save the changes made and you should have the expected result.
Please let us know about your results.
Thank you.