Chapter 2. Core SWI Calls
Prev | RISC OS USB SWI API | Next

## Chapter 2. Core SWI Calls

Table of Contents

USB_EndpointRegister (SWI &55380) - Installs a new endpoint for a given device.
USB_EndpointDeregister (SWI&55381) - Removes a given endpoint.
USB_DeviceRegister (SWI&55382) - Register a device
USB_DeviceDeregister (SWI&55383) - Removes a given device.
USB_ControllerRegister (SWI&55384) - Installs a new USB host controller.
USB_ControllerDeregister (SWI&55385) - De register a host controller
USB_ReferenceDeregister (SWI&55386) - Deregisters a reference to an object.
USB_FindObject (SWI&55387) - Find the address of an object.
USB_ManageDeviceAddresses (SWI&55388) - Manages device addresses.
USB_BufferMalloc (SWI&55389) - Allocates a URB for USB requests.
USB_BufferFree (SWI&5538A) - Releases a URB.
USB_PipeOpen (SWI&5538B) - Opens a pipe for data transfer for a given endpoint.
USB_PipeClose (SWI&5538C) - Closes a pipe
USB_PipeClear (SWI&5538D) - Aborts all requests for the specified pipe.
USB_PipeHalt (SWI&5538E) - Halts specified pipe.
USB_RequestStart (SWI&5538F) - Starts a transaction on the specified pipe.
USB_RequestGetState (SWI&55390) - Checks the actual state of a request.
USB_FrameSyncNumber (SWI&55391) - Tells the USB Module the current USB frame number for a given USB host controller driver.
USB_TransactionGetPending (SWI&55392) - Gets one of the remaining transactions of a request which consists of several transactions.
USB_RequestGetPending (SWI&55393) - Gets the next request which can be processed at a given frame for a given host controller from given transfer queues.
USB_TransactionResult (SWI&55394) - Passes the control over a transaction back to the USB module with a result.
USB_FastAccessInformation (SWI&55395) - Fills an array with function addresses of some USB-Module functions.
USB_EndpointInformation (SWI&55396) - Returns information about a given endpoint.
USB_TransactionTracking (SWI&55397) - Track transactions.
USB_MsgSend (SWI&55398) - Send a message
USB_MsgOp (SWI&55399) - Message operations
USB_MiscOp (SWI&5539A) - Internal Use ONLY
USB_WaitingInform (SWI&5539B) - Internal Use ONLY
USB_Version (SWI&5539C) - Reports the USB systems version number.

The USB system provides an general API using SWI calls

Prev | Up | Next
Chapter 1. Overview | Home | USB_EndpointRegister (SWI &55380)