static void OpenUsbDevice()
{
CUsbIo::DestroyDeviceList(g_DevList);
// Enumerate attached USB devices supported by USBIO
g_DevList = CUsbIo::CreateDeviceList(&g_UsbioID);
// Open first device in list
dwRC = g_UsbDev.Open(0, g_DevList, &g_UsbioID);
PRINT_IF_VERBOSE1("\nCUsbIo::Open returned <0x%X>\n", dwRC);
if (dwRC == USBIO_ERR_VERSION_MISMATCH)
{
printf("\n* Error: \"The API version reported by the USBRFLCT driver\n" \
"* does not match the expected version.\"\n");
printf("* The driver will need to be updated as follows:\n");
printf("* 1. Connect the device to the PC & start T_USB,\n" \
"* then find the USB device in the Windows Device Manager\n" \
"* ('Control Panel'->'System'->'Hardware'->'Device Manager').\n" \
"* Right click on the device name and choose 'Uninstall...'.\n");
printf("* 2. In c:\\winnt\\inf\\, find (by searching for \"Symbian\") and\n" \
"* delete the *.INF file that was used to install the existing\n" \
"* version of USBRFLCT.SYS. Make sure to also delete the\n" \
"* precompiled version of that file (<samename>.PNF).\n");
printf("* 3. In c:\\winnt\\system32\\drivers\\, delete the file USBRFLCT.SYS.\n");
printf("* Then unplug & reconnect the USB device and, when prompted, install\n" \
"* the new USBRFLCT.SYS driver using the .INF file from this distribution.\n" \
"* (All files can be found under e32test\\win32\\usbrflct_distribution\\.)\n");
}
}
void DVS128Interface::sendVendorRequest(UCHAR req, const char *buf, DWORD bufSize){
CUsbIo dev;
DWORD status;
// open the device
if(!dev.IsOpen()){
status = dev.Open(devIndex,devList,&usbIoID);
if ( status != USBIO_ERR_SUCCESS ) {
printf("Could not open device: %x",status);
return;
}
}
printf("Sending Vendor Request: %x\n", req);
USBIO_CLASS_OR_VENDOR_REQUEST request;
ZeroMemory(&request,sizeof(request));
request.Flags = 0;
request.Type = RequestTypeVendor;
request.Recipient = RecipientDevice;
request.RequestTypeReservedBits = 0;
request.Request = req;
request.Value = 4;
request.Index = 0;
status = dev.ClassOrVendorOutRequest(
buf,
bufSize,
&request
);
printf("Status: %x\n",status);
dev.Close();
}
void DVS128Interface::startReaderThread(int devIndex){
CUsbIo dev; //Device instance
USBIO_SET_CONFIGURATION config; // Device config
DWORD status;
// open the device
status = dev.Open(devIndex,devList,&usbIoID);
if ( status != USBIO_ERR_SUCCESS ) {
printf("Could not open device: %x\n",status);
return;
}
// set up the configuration request
ZeroMemory(&config,sizeof(config));
config.ConfigurationIndex = CFG_INDEX;
config.NbOfInterfaces = CFG_NUM_INTERFACES;
config.InterfaceList[0].InterfaceIndex = CFG_INTERFACE;
config.InterfaceList[0].AlternateSettingIndex = CFG_ALTSETTING;
config.InterfaceList[0].MaximumTransferSize = CFG_MAX_TRANSFER;
// configure the device
printf("Configuring...\n");
status = dev.SetConfiguration(&config);
if ( status != USBIO_ERR_SUCCESS ) {
printf("Could not configure device: %x\n",status);
return;
}
status = reader->Bind(devIndex,ENDPOINT,devList,&usbIoID);
if ( status != USBIO_ERR_SUCCESS ) {
printf("Binding failed.\n");
dev.UnconfigureDevice();
return;
}
if ( !reader->AllocateBuffers(ENDPOINT_FIFO_SIZE, NUM_BUFFERS) ) {
printf("Unable to allocate buffer pool.\n");
dev.UnconfigureDevice();
return;
}
// start the reader thread
printf("Starting reader thread...\n");
if ( !reader->StartThread() ) {
printf("Unable to start reader thread.\n");
dev.UnconfigureDevice();
return;
}
sendVendorRequest(START_READ);
}
void DVS128Interface::startReading(){
CUsbIo dev;
USB_DEVICE_DESCRIPTOR devDesc;
DWORD status;
bool found = false;
devList = CUsbIo::CreateDeviceList(&usbIoID);
if (devList == NULL){
printf("Unable to build a device list!\n");
}
// Open and query usb devices to find the right one
for (int i = 0; i < 127; i++){
status = dev.Open(i,devList,&usbIoID);
if ( status != USBIO_ERR_SUCCESS ) {
if ( status != USBIO_ERR_NO_SUCH_DEVICE_INSTANCE ){
fprintf(stdout,"UsbDev.Open returned with error 0x%08X\n",status);
}
break;
}
// Query device descriptor for comparison with PID and VID
status = dev.GetDeviceDescriptor(&devDesc);
if ( status == USBIO_ERR_SUCCESS ){
found = true;
if ( devDesc.iSerialNumber!=0 ){
dev.Close();
if (devDesc.idVendor == VID && devDesc.idProduct == PID){
fprintf(stdout,"Device found, starting reader.\n");
devIndex = i;
startReaderThread(devIndex);
break;
} else {
fprintf(stdout,"Device not recognized\n");
}
} else {
fprintf(stdout,"Querying device descriptor failed, status:0x%08X\n",status);
dev.Close();
}
}
if ( !found ) {
fprintf(stdout,"There are no USB devices attached to the USBIO driver.\n");
}
else
fprintf(stdout,"Device found...");
CUsbIo::DestroyDeviceList(devList);
}
}
