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hi iam using samsung s3c2440 ARM9 board . i don't know how to access its ports and installation of os. where i can get c program code for accessing its ports. actually i want to interface stepper motor from its GPIO and how we can read its user buttons. i wrote some program for reading user button but it is not working. can anybody tell me how i can start with this board?
Aren't the same channels that supplied you with the board also able to supply you with the documentation for the board, or some contact information where that information is available?
You don't mention what you have done yourself, to try to locate any documentation. Have you?