/*
* send a command to an ADB device
*/
static OSErr send_adb_command_sync (Ptr myBufferPtr,short adb_command)
{
OSErr e;
adb_command_done = 0;
e = ADBOp((Ptr)&adb_command_done, adb_key_cpt_upp, myBufferPtr, adb_command);
if (e == noErr && !_interrupt_time)
{
while(!adb_command_done){};
}
return e;
};
/*
* initialize extended mouse - probes devices as
* described in _Inside Macintosh, Devices_.
*/
void
extdms_init(int totaladbs)
{
ADBDataBlock adbdata;
int adbindex, adbaddr, count;
short cmd;
u_char buffer[9];
for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
/* Get the ADB information */
adbaddr = GetIndADB(&adbdata, adbindex);
if (adbdata.origADBAddr == ADBADDR_MS &&
(adbdata.devType == ADBMS_USPEED ||
adbdata.devType == ADBMS_UCONTOUR)) {
/* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
cmd = ADBLISTEN(adbaddr, 1);
/*
* To setup the MicroSpeed or the Contour, it appears
* that we can send the following command to the mouse
* and then expect data back in the form:
* buffer[0] = 4 (bytes)
* buffer[1], buffer[2] as std. mouse
* buffer[3] = buffer[4] = 0xff when no buttons
* are down. When button N down, bit N is clear.
* buffer[4]'s locking mask enables a
* click to toggle the button down state--sort of
* like the "Easy Access" shift/control/etc. keys.
* buffer[3]'s alternative speed mask enables using
* different speed when the corr. button is down
*/
buffer[0] = 4;
buffer[1] = 0x00; /* Alternative speed */
buffer[2] = 0x00; /* speed = maximum */
buffer[3] = 0x10; /* enable extended protocol,
* lower bits = alt. speed mask
* = 0000b
*/
buffer[4] = 0x07; /* Locking mask = 0000b,
* enable buttons = 0111b
*/
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
}
if (adbdata.origADBAddr == ADBADDR_MS &&
(adbdata.devType == ADBMS_100DPI ||
adbdata.devType == ADBMS_200DPI)) {
/* found a mouse */
cmd = ADBTALK(adbaddr, 3);
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
/* Wait until done, but no more than 2 secs */
count = 40000;
while (!extdms_done && count-- > 0)
delay(50);
if (!extdms_done) {
#ifdef ADB_DEBUG
if (adb_debug)
printf("adb: extdms_init timed out\n");
#endif
return;
}
/* Attempt to initialize Extended Mouse Protocol */
buffer[2] = '\004'; /* make handler ID 4 */
extdms_done = 0;
cmd = ADBLISTEN(adbaddr, 3);
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
/*
* Check to see if successful, if not
* try to initialize it as other types
*/
cmd = ADBTALK(adbaddr, 3);
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
if (buffer[2] != ADBMS_EXTENDED) {
/* Attempt to initialize as an A3 mouse */
buffer[2] = 0x03; /* make handler ID 3 */
extdms_done = 0;
cmd = ADBLISTEN(adbaddr, 3);
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
/*
* Check to see if successful, if not
* try to initialize it as other types
*/
cmd = ADBTALK(adbaddr, 3);
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
if (buffer[2] == ADBMS_MSA3) {
/* Initialize as above */
cmd = ADBLISTEN(adbaddr, 2);
/* listen 2 */
buffer[0] = 3;
buffer[1] = 0x00;
/* Irrelevant, buffer has 0x77 */
buffer[2] = 0x07;
/*
* enable 3 button mode = 0111b,
* speed = normal
*/
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
} else {
/* No special support for this mouse */
}
}
}
}
}
