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#ifdef USE_USB1
#include <libusb.h>
static struct libusb_context *ausb_libusb1_context=NULL;
int rsct_usbdev_init(void){
if (ausb_libusb1_context==NULL) {
int rv;
rv=libusb_init(&ausb_libusb1_context);
if (rv) {
fprintf(stderr, "RSCT: Error on libusb_init(): %d\n", rv);
ausb_libusb1_context=NULL;
return -1;
}
}
return 0;
}
void rsct_usbdev_fini(void) {
libusb_exit(ausb_libusb1_context);
ausb_libusb1_context=NULL;
}
int rsct_usbdev_scan(rsct_usbdev_t **usbdev_list) {
if (rsct_usbdev_init())
return -1;
else {
libusb_device **list;
size_t cnt=libusb_get_device_list(ausb_libusb1_context, &list);
size_t i;
for (i=0; i<cnt; i++) {
libusb_device *dev;
struct libusb_device_descriptor descr;
int rv;
dev=list[i];
rv=libusb_get_device_descriptor(dev, &descr);
if (rv==0) {
if (descr.idVendor==0xc4b) {
rsct_usbdev_t *d;
char pbuff[256];
struct stat st;
int havePath=0;
d=rsct_usbdev_new();
d->busId=libusb_get_bus_number(dev);
d->busPos=libusb_get_device_address(dev);
d->vendorId=descr.idVendor;
d->productId=descr.idProduct;
/* determine path for LibUSB */
snprintf(pbuff, sizeof(pbuff)-1,
"/dev/bus/usb/%03d/%03d",
d->busId, d->busPos);
pbuff[sizeof(pbuff)-1]=0;
if (stat(pbuff, &st)==0) {
havePath=1;
}
else {
snprintf(pbuff, sizeof(pbuff)-1,
"/proc/bus/usb/%03d/%03d",
d->busId, d->busPos);
pbuff[sizeof(pbuff)-1]=0;
if (stat(pbuff, &st)==0) {
havePath=1;
}
}
if (havePath) {
strncpy(d->usbPath, pbuff, sizeof(d->usbPath)-1);
d->usbPath[sizeof(d->usbPath)-1]=0;
strncpy(d->deviceNodePath, pbuff, sizeof(d->deviceNodePath)-1);
d->deviceNodePath[sizeof(d->deviceNodePath)-1]=0;
}
/* generate path for CTAPI/IFD */
snprintf(d->path, sizeof(d->path)-1,
"usb:%04x/%04x:libusb:%03d:%03d",
d->vendorId,
d->productId,
d->busId,
d->busPos);
if (1) {
libusb_device_handle *dh;
rv=libusb_open(dev, &dh);
if (rv) {
fprintf(stderr, "RSCT: Error on libusb_open: %d\n", rv);
}
else {
/* get product string */
rv=libusb_get_string_descriptor_ascii(dh, descr.iProduct,
(unsigned char*) (d->productName),
sizeof(d->productName)-1);
if (rv<0) {
fprintf(stderr, "RSCT: Error on libusb_get_string_descriptor_ascii: %d\n", rv);
d->productName[0]=0;
}
else {
d->productName[rv]=0;
}
if (descr.idProduct>=0x300) {
/* get serial number for newer devices */
rv=libusb_get_string_descriptor_ascii(dh, descr.iSerialNumber,
(unsigned char*) (d->serial),
sizeof(d->serial)-1);
if (rv<0) {
fprintf(stderr, "RSCT: Error on libusb_get_string_descriptor_ascii: %d\n", rv);
d->serial[0]=0;
}
else {
d->serial[rv]=0;
}
}
libusb_close(dh);
}
}
/* all set, add device */
rsct_usbdev_list_add(usbdev_list, d);
}
}
else {
fprintf(stderr, "RSCT: Error on libusb_get_device_descriptor: %d\n", rv);
}
}
libusb_free_device_list(list, 1);
rsct_usbdev_fini();
return 0;
}
}
#endif
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