adb: Use correct language ID when retrieving USB serial number.

Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Guang Zhu 2009-08-06 17:21:52 -07:00 committed by Mike Lockwood
parent 63e6152748
commit e64004d327
1 changed files with 45 additions and 21 deletions

View File

@ -194,30 +194,54 @@ AndroidInterfaceAdded(void *refCon, io_iterator_t iterator)
kr = (*dev)->GetDeviceProduct(dev, &product);
kr = (*dev)->USBGetSerialNumberStringIndex(dev, &serialIndex);
if (serialIndex > 0) {
IOUSBDevRequest req;
UInt16 buffer[256];
if (serialIndex > 0) {
IOUSBDevRequest req;
UInt16 buffer[256];
UInt16 languages[128];
req.bmRequestType =
USBmakebmRequestType(kUSBIn, kUSBStandard, kUSBDevice);
req.bRequest = kUSBRqGetDescriptor;
req.wValue = (kUSBStringDesc << 8) | serialIndex;
req.wIndex = 0;
req.pData = buffer;
req.wLength = sizeof(buffer);
kr = (*dev)->DeviceRequest(dev, &req);
memset(languages, 0, sizeof(languages));
if (kr == kIOReturnSuccess && req.wLenDone > 0) {
int i, count;
req.bmRequestType =
USBmakebmRequestType(kUSBIn, kUSBStandard, kUSBDevice);
req.bRequest = kUSBRqGetDescriptor;
req.wValue = (kUSBStringDesc << 8) | 0;
req.wIndex = 0;
req.pData = languages;
req.wLength = sizeof(languages);
kr = (*dev)->DeviceRequest(dev, &req);
// skip first word, and copy the rest to the serial string,
// changing shorts to bytes.
count = (req.wLenDone - 1) / 2;
for (i = 0; i < count; i++)
serial[i] = buffer[i + 1];
serial[i] = 0;
}
}
if (kr == kIOReturnSuccess && req.wLenDone > 0) {
int langCount = (req.wLenDone - 2) / 2, lang;
for (lang = 1; lang <= langCount; lang++) {
memset(buffer, 0, sizeof(buffer));
memset(&req, 0, sizeof(req));
req.bmRequestType =
USBmakebmRequestType(kUSBIn, kUSBStandard, kUSBDevice);
req.bRequest = kUSBRqGetDescriptor;
req.wValue = (kUSBStringDesc << 8) | serialIndex;
req.wIndex = languages[lang];
req.pData = buffer;
req.wLength = sizeof(buffer);
kr = (*dev)->DeviceRequest(dev, &req);
if (kr == kIOReturnSuccess && req.wLenDone > 0) {
int i, count;
// skip first word, and copy the rest to the serial string,
// changing shorts to bytes.
count = (req.wLenDone - 1) / 2;
for (i = 0; i < count; i++)
serial[i] = buffer[i + 1];
serial[i] = 0;
break;
}
}
}
}
(*dev)->Release(dev);
DBG("INFO: Found vid=%04x pid=%04x serial=%s\n", vendor, product,