int main (int argc, const char * argv[])
{
kern_return_t err;
CFMutableDictionaryRef matchingDictionary = 0; // requires <IOKit/IOKitLib.h>
SInt32 idVendor = 1351;
SInt32 idProduct = 8193;
CFNumberRef numberRef;
io_iterator_t iterator = 0;
io_service_t usbDeviceRef;
err = IOMasterPort(MACH_PORT_NULL, &masterPort);
if (err)
{
printf("USBSimpleExample: could not create master port, err = %08x\n", err);
return err;
}
matchingDictionary = IOServiceMatching(kIOUSBDeviceClassName); // requires <IOKit/usb/IOUSBLib.h>
if (!matchingDictionary)
{
printf("USBSimpleExample: could not create matching dictionary\n");
return -1;
}
numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &idVendor);
if (!numberRef)
{
printf("USBSimpleExample: could not create CFNumberRef for vendor\n");
return -1;
}
CFDictionaryAddValue(matchingDictionary, CFSTR(kUSBVendorID), numberRef);
CFRelease(numberRef);
numberRef = 0;
numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &idProduct);
if (!numberRef)
{
printf("USBSimpleExample: could not create CFNumberRef for product\n");
return -1;
}
CFDictionaryAddValue(matchingDictionary, CFSTR(kUSBProductID), numberRef);
CFRelease(numberRef);
numberRef = 0;
err = IOServiceGetMatchingServices(masterPort, matchingDictionary, &iterator);
matchingDictionary = 0; // this was consumed by the above call
while ( (usbDeviceRef = IOIteratorNext(iterator)) )
{
printf("Found device %p\n", (void*)usbDeviceRef);
dealWithDevice(usbDeviceRef);
IOObjectRelease(usbDeviceRef); // no longer need this reference
}
IOObjectRelease(iterator);
iterator = 0;
mach_port_deallocate(mach_task_self(), masterPort);
return 0;
}
int main (int argc, const char * argv[])
{
int idVendor = 0x8f7;
int idProduct = 1;
int USBIndex, matchcount;
int i;
usb_dev_handle *udev=0;
struct usb_bus *bus;
struct usb_device *dev, *matchdev;
/* if one argument is provided, it should be an index as to _which_ USB LabPro is to be opened
providing a negative index enables time stamping as is used when this is run as a robot */
if (argc==2) {
USBIndex=atoi(argv[1]);
if (abs(USBIndex) < 1 || abs(USBIndex) > 255) {
fprintf(stderr,"Bad USB index argument provided... should be 1<=index<=255 or negative to enable binary time stamps, got: %s\n", argv[1]);
fprintf(stderr,"****EXITED****\n");
return 1;
}
if (USBIndex < 0) {
USBIndex=-USBIndex;
use_time_stamps=1;
}
USBIndex -=1;
} else USBIndex=0;
setbuf(stdout, 0);
setbuf(stderr,0);
usb_init();
#ifdef DEBUG
usb_set_debug(DEBUG);
#else
usb_set_debug(0);
#endif
#ifdef DEBUG
fprintf(stderr, "inited libusb\n");
fflush(0);
#endif
usb_find_busses();
#ifdef DEBUG
fprintf(stderr, "found busses in libusb\n");
fflush(0);
#endif
usb_find_devices();
#ifdef DEBUG
fprintf(stderr, "found devices in libusb\n");
fflush(0);
#endif
signal(SIGHUP, handle_signal);
signal(SIGINT, handle_signal);
signal(SIGQUIT, handle_signal);
signal(SIGTERM, handle_signal);
signal(SIGPIPE, handle_signal);
matchcount=-1;
for (bus = usb_get_busses(); bus && matchcount<USBIndex; bus = bus->next) {
for (dev = bus->devices; dev && matchcount<USBIndex; dev = dev->next) {
if(dev->descriptor.idVendor==idVendor && dev->descriptor.idProduct==idProduct) {
matchcount++; matchdev=dev; }
}
}
if(matchcount==USBIndex) {
udev = usb_open(matchdev);
if(udev) {
fprintf(stderr, "Found device %p\n", (void*)udev);
fflush(0);
global_intf=udev;
/* docs for 0.1.12 say usb_reset may cause re-enumeration, so don't do it here! */
/*
usb_reset(udev);
usb_reset(udev); */ /* make sure it's OK at the start */
dealWithDevice(udev);
global_intf=0; /* don't need resets any more */
usb_reset(udev);
usb_close(udev);
} else {
fprintf(stderr, "Found but couldn't open device %d... probably already open\n", USBIndex+1);
}
} else fprintf(stderr,"No LabPro Found at index %d\n", USBIndex+1);
fprintf(stderr,"****EXITED****\n");
return 0;
}
