short *hours, short *minutes, short *seconds, short *frames)Copyright ©1995 by NeXT Computer, Inc. All Rights Reserved.
| 10 |
MIDI Driver API
| Driver Functions |
| Clock Functions
Functions to set clock behavior |
| kern_return_t | MIDISetClockMode(port_t driverPort, port_t ownerPort, short synchUnit, int mode) | |
| kern_return_t | MIDISetClockQuantum(port_t driverPort, port_t ownerPort, int interval) |
| Functions to set and get clock time |
| kern_return_t | MIDISetClockTime(port_t driverPort, port_t ownerPort, int time) | |
| kern_return_t | MIDIGetClockTime(port_t driverPort, port_t ownerPort, int *time) | |
| kern_return_t | MIDIGetMTCTime(port_t driverPort, port_t ownerPort, short *format,short *hours, short *minutes, short *seconds, short *frames) |
| Functions to start and stop the clock |
| kern_return_t | MIDIStartClock(port_t driverPort, port_t ownerPort) | |
| kern_return_t | MIDIStopClock(port_t driverPort, port_t ownerPort) |
| Data Sending Function
Send data via the MIDI driver |
| kern_return_t | MIDISendData(port_t driverPort, port_t ownerPort, short unit, MIDIRawEvent *data, unsigned int count) |
| Driver Ownership Functions
Acquire and release ownership of the MIDI driver |
| kern_return_t | MIDIBecomeOwner(port_t driverPort, port_t ownerPort) | |
| kern_return_t | MIDIReleaseOwnership(port_t driverPort, port_t ownerPort) |
| Ignore MIDI Codes Function
Request that the driver ignore certain MIDI codes |
| kern_return_t | MIDISetSystemIgnores(port_t driverPort, port_t ownerPort, short unit, unsigned int ignoreBits) |
| Queue Management Functions
Query about and manage data flow in the queue |
| kern_return_t | MIDIClearQueue(port_t driverPort, port_t ownerPort, short unit) | |
| kern_return_t | MIDIFlushQueue(port_t device_port, port_name_t ownerPort_port, short unit) | |
| kern_return_t | MIDIGetAvailableQueueSize(port_t driverPort, port_t ownerPort, short unit, int *theSize) |
| Reply Handling Functions
Handle replies from the MIDI driver to a client |
| kern_return_t | MIDIAwaitReply(port_t reply_port, MIDIReplyFunctions *handlers, int timeout) | |
| kern_return_t | MIDIHandleReply(msg_header_t *msg, MIDIReplyFunctions *handlers) |
| Request Functions
Request services from the MIDI driver |
| kern_return_t | MIDIRequestData(port_t driverPort, port_t ownerPort, short unit, port_t replyPort) | |
| kern_return_t | MIDIRequestAlarm(port_t driverPort, port_t ownerPort, port_t replyPort, int time) | |
| kern_return_t | MIDIRequestExceptions(port_t driverPort, port_t ownerPort, port_t replyPort) | |
| kern_return_t | MIDIRequestQueueNotification(port_t driverPort, port_t ownerPort, short unit, port_t replyPort, int size) |
| Serial Port Ownership Functions
Acquire and release ownership of the serial ports |
| kern_return_t MIDIClaimUnit(port_t driverPort, port_t ownerPort, short unit) kern_return_t MIDIReleaseUnit(port_t driverPort, port_t ownerPort, short unit) |