USB_TransactionTracking (SWI&55397)
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## Name

USB_TransactionTracking (SWI&55397) — Track transactions.

## On Entry

R0 | Pointer to endpoint.
R1 | Pointer to tracking routine
R2 | Argument to tracking routine

## On Exit

R0 | preserved
R1 | Error code Table A.1
R2 | Preserved

## Use

regs->r[1]=usb_transaction_tracking( (struct endpoint_structur *) regs->r[0], (void (*)(struct transaction_basic_structur *, void *, int)) regs->r[1], (void *) regs->r[2]);

## Related SWI's

None.

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