int vendor_id, int product_id,
const char *product_name, int speed);
static int usb_host_find_device(int *pbus_num, int *paddr,
+ char *product_name, int product_name_size,
const char *devname);
//#define DEBUG
#define USBDEVFS_PATH "/proc/bus/usb"
+#define PRODUCT_NAME_SZ 32
typedef struct USBHostDevice {
USBDevice dev;
char buf[1024];
int descr_len, dev_descr_len, config_descr_len, nb_interfaces;
int bus_num, addr;
+ char product_name[PRODUCT_NAME_SZ];
- if (usb_host_find_device(&bus_num, &addr, devname) < 0)
+ if (usb_host_find_device(&bus_num, &addr,
+ product_name, sizeof(product_name),
+ devname) < 0)
return NULL;
snprintf(buf, sizeof(buf), USBDEVFS_PATH "/%03d/%03d",
dev->dev.handle_reset = usb_host_handle_reset;
dev->dev.handle_control = usb_host_handle_control;
dev->dev.handle_data = usb_host_handle_data;
+
+ if (product_name[0] == '\0')
+ snprintf(dev->dev.devname, sizeof(dev->dev.devname),
+ "host:%s", devname);
+ else
+ pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
+ product_name);
+
return (USBDevice *)dev;
}
int product_id;
int bus_num;
int addr;
+ char product_name[PRODUCT_NAME_SZ];
} FindDeviceState;
static int usb_host_find_device_scan(void *opaque, int bus_num, int addr,
const char *product_name, int speed)
{
FindDeviceState *s = opaque;
- if (vendor_id == s->vendor_id &&
- product_id == s->product_id) {
+ if ((vendor_id == s->vendor_id &&
+ product_id == s->product_id) ||
+ (bus_num == s->bus_num &&
+ addr == s->addr)) {
+ pstrcpy(s->product_name, PRODUCT_NAME_SZ, product_name);
s->bus_num = bus_num;
s->addr = addr;
return 1;
'bus.addr' (decimal numbers) or
'vendor_id:product_id' (hexa numbers) */
static int usb_host_find_device(int *pbus_num, int *paddr,
+ char *product_name, int product_name_size,
const char *devname)
{
const char *p;
if (p) {
*pbus_num = strtoul(devname, NULL, 0);
*paddr = strtoul(p + 1, NULL, 0);
+ fs.bus_num = *pbus_num;
+ fs.addr = *paddr;
+ ret = usb_host_scan(&fs, usb_host_find_device_scan);
+ if (ret)
+ pstrcpy(product_name, product_name_size, fs.product_name);
return 0;
}
p = strchr(devname, ':');
if (ret) {
*pbus_num = fs.bus_num;
*paddr = fs.addr;
+ pstrcpy(product_name, product_name_size, fs.product_name);
return 0;
}
}