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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
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21 #include "PeripheralBusUSB.h"
22 #include "peripherals/Peripherals.h"
23 #include "utils/log.h"
24 #include "utils/StringUtils.h"
26 static GUID USB_RAW_GUID = { 0xA5DCBF10, 0x6530, 0x11D2, { 0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED } };
27 static GUID USB_HID_GUID = { 0x4D1E55B2, 0xF16F, 0x11CF, { 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30 } };
28 static GUID USB_DISK_GUID = { 0x53F56307, 0xB6BF, 0x11D0, { 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B } };
29 static GUID USB_NIC_GUID = { 0xAD498944, 0x762F, 0x11D0, { 0x8D, 0xCB, 0x00, 0xC0, 0x4F, 0xC3, 0x35, 0x8C } };
31 using namespace PERIPHERALS;
33 CPeripheralBusUSB::CPeripheralBusUSB(CPeripherals *manager) :
34 CPeripheralBus(manager, PERIPHERAL_BUS_USB)
36 /* device removals aren't always triggering OnDeviceRemoved events, so poll for changes every 5 seconds to be sure we don't miss anything */
40 bool CPeripheralBusUSB::PerformDeviceScan(PeripheralScanResults &results)
42 /* XXX we'll just scan the RAW guid and find all devices. they'll show up as type 'unknown' in the UI,
43 but the other option is that they're detected more than once, because RAW will return all devices.
44 we have to scan the RAW guid here, because not every device is found by it's GUID correctly, e.g. CDC adapters. */
45 return PerformDeviceScan(&USB_RAW_GUID, PERIPHERAL_UNKNOWN, results);
48 bool CPeripheralBusUSB::PerformDeviceScan(const GUID *guid, const PeripheralType type, PeripheralScanResults &results)
52 DWORD required = 0, iMemberIndex = 0;
55 SP_DEVICE_INTERFACE_DATA deviceInterfaceData;
56 deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
58 SP_DEVINFO_DATA devInfoData;
59 devInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
61 if ((hDevHandle = SetupDiGetClassDevs(guid, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE)) == INVALID_HANDLE_VALUE)
63 CLog::Log(LOGWARNING, "%s - cannot query USB devices: invalid handle", __FUNCTION__);
69 PSP_DEVICE_INTERFACE_DETAIL_DATA devicedetailData = NULL;
72 bResult = SetupDiEnumDeviceInfo(hDevHandle, iMemberIndex, &devInfoData);
75 bResult = SetupDiEnumDeviceInterfaces(hDevHandle, 0, guid, iMemberIndex, &deviceInterfaceData);
80 BOOL bDetailResult = false;
82 // As per MSDN, Get the required buffer size. Call SetupDiGetDeviceInterfaceDetail with a
83 // NULL DeviceInterfaceDetailData pointer, a DeviceInterfaceDetailDataSize of zero,
84 // and a valid RequiredSize variable. In response to such a call, this function returns
85 // the required buffer size at RequiredSize and fails with GetLastError returning
86 // ERROR_INSUFFICIENT_BUFFER.
87 // Allocate an appropriately sized buffer and call the function again to get the interface details.
89 SetupDiGetDeviceInterfaceDetail(hDevHandle, &deviceInterfaceData, NULL, 0, &required, NULL);
91 devicedetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(required * sizeof(TCHAR));
92 devicedetailData->cbSize = sizeof(SP_INTERFACE_DEVICE_DETAIL_DATA);
93 nBufferSize = required;
96 bDetailResult = SetupDiGetDeviceInterfaceDetail(hDevHandle, &deviceInterfaceData, devicedetailData, nBufferSize , &required, NULL);
99 CStdString strVendorId(StringUtils::EmptyString);
100 CStdString strProductId(StringUtils::EmptyString);
101 CStdString strTmp(devicedetailData->DevicePath);
102 strVendorId = strTmp.substr(strTmp.Find("vid_") + 4, 4);
103 strProductId = strTmp.substr(strTmp.Find("pid_") + 4, 4);
105 if ((strTmp.Find("&mi_") < 0) || (strTmp.Find("&mi_00") >= 0))
107 PeripheralScanResult prevDevice;
108 if (!results.GetDeviceOnLocation(devicedetailData->DevicePath, &prevDevice))
110 PeripheralScanResult result;
111 result.m_strLocation = devicedetailData->DevicePath;
112 result.m_type = type;
113 result.m_iVendorId = PeripheralTypeTranslator::HexStringToInt(strVendorId.c_str());
114 result.m_iProductId = PeripheralTypeTranslator::HexStringToInt(strProductId.c_str());
116 if (!results.ContainsResult(result))
117 results.m_results.push_back(result);
122 if (devicedetailData)
124 free(devicedetailData);
125 devicedetailData = NULL;
130 SetupDiDestroyDeviceInfoList(hDevHandle);