USBLib_WaitingResult (SWI &56340) — examines the state of a waiting structure
R0 | Pointer to waiting |
R0 | Preserved | ||
R1 | result (only valid if transaction has completed) | ||
R2 |
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This call is used on a waiting structure returned from a transaction to determine if the transaction has completed or not. Mostly used with USBLib_CreateReturnWaiting (SWI &56340) to test for completion.
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