int yyyUSBGetInterfaces(yInterfaceSt **ifaces,int *nbifaceDetect,char *errmsg)
{
int nbifaceAlloc;
int deviceIndex;
CFIndex deviceCount;
IOHIDDeviceRef *dev_refs;
// get all device detected by the OSX
dev_refs = getDevRef(&yContext->hid, &deviceCount);
if(dev_refs == NULL) {
return 0;
}
// allocate buffer for detected interfaces
*nbifaceDetect = 0;
nbifaceAlloc = 8;
*ifaces =yMalloc(nbifaceAlloc * sizeof(yInterfaceSt));
memset(*ifaces, 0 ,nbifaceAlloc * sizeof(yInterfaceSt));
for(deviceIndex=0 ; deviceIndex < deviceCount ;deviceIndex++){
u16 vendorid;
u16 deviceid;
IOHIDDeviceRef dev = dev_refs[deviceIndex];
yInterfaceSt *iface;
vendorid = get_int_property(dev,CFSTR(kIOHIDVendorIDKey));
deviceid = get_int_property(dev,CFSTR(kIOHIDProductIDKey));
//ensure the buffer of detected interface is big enought
if(*nbifaceDetect == nbifaceAlloc){
yInterfaceSt *tmp;
tmp = (yInterfaceSt*) yMalloc(nbifaceAlloc*2 * sizeof(yInterfaceSt));
memset(tmp,0,nbifaceAlloc*2 * sizeof(yInterfaceSt));
yMemcpy(tmp,*ifaces, nbifaceAlloc * sizeof(yInterfaceSt) );
yFree(*ifaces);
*ifaces = tmp;
nbifaceAlloc *=2;
}
iface = *ifaces + *nbifaceDetect;
//iface->devref = dev;
iface->vendorid = vendorid;
iface->deviceid = deviceid;
get_txt_property(dev,iface->serial,YOCTO_SERIAL_LEN*2, CFSTR(kIOHIDSerialNumberKey));
HALENUMLOG("work on interface %d (%x:%x:%s)\n",deviceIndex,vendorid,deviceid,iface->serial);
(*nbifaceDetect)++;
}
yFree(dev_refs);
return YAPI_SUCCESS;
}
int yyySetup(yInterfaceSt *iface,char *errmsg)
{
char str[32];
int i;
CFIndex deviceCount;
IOHIDDeviceRef *dev_refs;
if (yContext->osx_flags & YCTX_OSX_MULTIPLES_HID) {
if (YISERR(setupHIDManager(yContext, &iface->hid,errmsg))) {
return YAPI_IO_ERROR;
}
// get all device detected by the OSX
dev_refs = getDevRef(&iface->hid, &deviceCount);
} else {
dev_refs = getDevRef(&yContext->hid, &deviceCount);
}
if(dev_refs == NULL) {
return YERRMSG(YAPI_IO_ERROR,"Device disapear before yyySetup");
}
for(i=0 ; i < deviceCount ;i++){
u16 vendorid;
u16 deviceid;
IOHIDDeviceRef dev = dev_refs[i];
vendorid = get_int_property(dev,CFSTR(kIOHIDVendorIDKey));
deviceid = get_int_property(dev,CFSTR(kIOHIDProductIDKey));
if (iface->vendorid == vendorid && iface->deviceid == deviceid){
char serial[YOCTO_SERIAL_LEN * 2];
memset(serial, 0, YOCTO_SERIAL_LEN * 2);
get_txt_property(dev,serial,YOCTO_SERIAL_LEN * 2, CFSTR(kIOHIDSerialNumberKey));
if (YSTRCMP(serial, iface->serial) == 0){
HALLOG("right Interface detected (%x:%x:%s)\n",vendorid,deviceid,iface->serial);
iface->devref = dev;
break;
}
}
}
yFree(dev_refs);
if (i == deviceCount) {
return YERRMSG(YAPI_IO_ERROR,"Unable to match device detected");
}
IOReturn ret = IOHIDDeviceOpen(iface->devref, kIOHIDOptionsTypeNone);
if (ret != kIOReturnSuccess) {
YSPRINTF(str,32,"Unable to open device (0x%x)",ret);
return YERRMSG(YAPI_IO_ERROR,str);
}
yPktQueueInit(&iface->rxQueue);
yPktQueueInit(&iface->txQueue);
/* Create the Run Loop Mode for this device. printing the reference seems to work. */
sprintf(str, "yocto_%p", iface->devref);
iface->run_loop_mode = CFStringCreateWithCString(NULL, str, kCFStringEncodingASCII);
/* Attach the device to a Run Loop */
IOHIDDeviceScheduleWithRunLoop(iface->devref, yContext->usb_run_loop, iface->run_loop_mode);
IOHIDDeviceRegisterInputReportCallback( iface->devref, // IOHIDDeviceRef for the HID device
(u8*) &iface->tmprxpkt, // pointer to the report data
USB_PKT_SIZE, // number of bytes in the report (CFIndex)
&Handle_IOHIDDeviceIOHIDReportCallback, // the callback routine
iface); // context passed to callback
// save setuped iface pointer in context in order
// to retreive it durring unplugcallback
for (i=0; i< SETUPED_IFACE_CACHE_SIZE ; i++) {
if(yContext->setupedIfaceCache[i]==NULL){
yContext->setupedIfaceCache[i] = iface;
break;
}
}
if (i==SETUPED_IFACE_CACHE_SIZE) {
return YERRMSG(YAPI_IO_ERROR,"Too many setuped USB interfaces");
}
iface->flags.yyySetupDone = 1;
return 0;
}
int yUSBGetInterfaces(yInterfaceSt **ifaces,int *nbifaceDetect,char *errmsg)
{
int nbifaceAlloc;
int deviceIndex;
CFSetRef deviceCFSetRef;
CFIndex deviceCount;
IOHIDDeviceRef *dev_refs;
// allocate buffer for detected interfaces
*nbifaceDetect = 0;
nbifaceAlloc = 8;
*ifaces =yMalloc(nbifaceAlloc * sizeof(yInterfaceSt));
memset(*ifaces, 0 ,nbifaceAlloc * sizeof(yInterfaceSt));
yEnterCriticalSection(&yContext->hidMCS);
deviceCFSetRef = IOHIDManagerCopyDevices( yContext->hidM );
yLeaveCriticalSection(&yContext->hidMCS);
if(deviceCFSetRef== NULL){
//no device found
return 0;
}
// how many devices in the set?
deviceCount = CFSetGetCount( deviceCFSetRef );
HALLOG("%ld usb interfaces detected\n",deviceCount);
dev_refs = yMalloc( sizeof(IOHIDDeviceRef) * (u32)deviceCount );
// now extract the device ref's from the set
CFSetGetValues( deviceCFSetRef, (const void **) dev_refs );
for(deviceIndex=0 ; deviceIndex < deviceCount ;deviceIndex++){
u16 vendorid;
u16 deviceid;
IOHIDDeviceRef dev = dev_refs[deviceIndex];
yInterfaceSt *iface;
vendorid = get_int_property(dev,CFSTR(kIOHIDVendorIDKey));
deviceid = get_int_property(dev,CFSTR(kIOHIDProductIDKey));
//ensure the buffer of detected interface is big enought
if(*nbifaceDetect == nbifaceAlloc){
yInterfaceSt *tmp;
tmp = (yInterfaceSt*) yMalloc(nbifaceAlloc*2 * sizeof(yInterfaceSt));
memset(tmp,0,nbifaceAlloc*2 * sizeof(yInterfaceSt));
yMemcpy(tmp,*ifaces, nbifaceAlloc * sizeof(yInterfaceSt) );
yFree(*ifaces);
*ifaces = tmp;
nbifaceAlloc *=2;
}
iface = *ifaces + *nbifaceDetect;
iface->devref = dev;
iface->vendorid = vendorid;
iface->deviceid = deviceid;
get_txt_property(dev,iface->serial,YOCTO_SERIAL_LEN*2, CFSTR(kIOHIDSerialNumberKey));
HALLOG("work on interface %d (%x:%x:%s)\n",deviceIndex,vendorid,deviceid,iface->serial);
(*nbifaceDetect)++;
}
CFRelease(deviceCFSetRef);
yFree(dev_refs);
return YAPI_SUCCESS;
}
