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- /* Copyright (c) 1990 Commodore-Amiga, Inc.
- *
- * This example is provided in electronic form by Commodore-Amiga, Inc. for
- * use with the 1.3 revisions of the Addison-Wesley Amiga reference manuals.
- * The 1.3 Addison-Wesley Amiga Reference Manual series contains additional
- * information on the correct usage of the techniques and operating system
- * functions presented in this example. The source and executable code of
- * this example may only be distributed in free electronic form, via bulletin
- * board or as part of a fully non-commercial and freely redistributable
- * diskette. Both the source and executable code (including comments) must
- * be included, without modification, in any copy. This example may not be
- * published in printed form or distributed with any commercial product.
- * However, the programming techniques and support routines set forth in
- * this example may be used in the development of original executable
- * software products for Commodore Amiga computers.
- * All other rights reserved.
- * This example is provided "as-is" and is subject to change; no warranties
- * are made. All use is at your own risk. No liability or responsibility
- * is assumed.
- */
-
- /*
- * Keyboard device matrix example...
- */
-
- #include <exec/types.h>
- #include <exec/io.h>
- #include <exec/ports.h>
- #include <exec/memory.h>
- #include <devices/inputevent.h>
- #include <devices/keyboard.h>
-
- #include <proto/exec.h>
-
- #include <stdio.h>
-
- int CXBRK(VOID) { return(0); }
-
- VOID Display_Event(struct InputEvent *keyEvent)
- {
- printf("Got key event: KeyCode: %2x Quailifiers: %4x\n",
- keyEvent->ie_Code,
- keyEvent->ie_Qualifier);
- }
-
- VOID main(int argc, char *argv[])
- {
- struct IOStdReq *keyRequest;
- struct MsgPort *keyPort;
- struct InputEvent *keyEvent;
- SHORT loop;
-
- if (keyPort=CreatePort(NULL,NULL))
- {
- if (keyRequest=(struct IOStdReq *)CreateExtIO(keyPort,
- sizeof(struct IOStdReq)))
- {
- if (!OpenDevice("keyboard.device",NULL,
- (struct IORequest *)keyRequest,NULL))
- {
- if (keyEvent=AllocMem(sizeof(struct InputEvent),MEMF_PUBLIC))
- {
- for (loop=0;loop<4;loop++)
- {
- keyRequest->io_Command=KBD_READEVENT;
- keyRequest->io_Data=(APTR)keyEvent;
-
- /*
- * We want 1 event, so we just set the
- * length field to the size, in bytes
- * of the event. For multiple events,
- * set this to a multiple of that size.
- * The keyboard device NEVER fills partial
- * events...
- */
- keyRequest->io_Length=sizeof(struct InputEvent);
- DoIO((struct IORequest *)keyRequest);
-
- /* Check for CLI startup... */
- if (argc) Display_Event(keyEvent);
- }
- FreeMem(keyEvent,sizeof(struct InputEvent));
- }
- CloseDevice((struct IORequest *)keyRequest);
- }
- DeleteExtIO((struct IORequest *)keyRequest);
- }
- DeletePort(keyPort);
- }
- }
-