?? usbfndrv.cpp
字號:
{
sizeof(USB_ENDPOINT_DESCRIPTOR),// bLength
USB_ENDPOINT_DESCRIPTOR_TYPE, // bDescriptorType
INTERRUPT_IN_ENDPOINT_ADDRESS, // bEndpointAddress (endpoint 2, out)
USB_ENDPOINT_TYPE_INTERRUPT, // bmAttributes
MAX_INTERRUPT_ENDPOINT_PACKET_SIZE, // wMaxPacketSize
0x20 // bInterval (interrupt only)
},
NULL
}
};
static UFN_INTERFACE g_HighSpeedInterface1 = {
sizeof(UFN_INTERFACE),
{
sizeof(USB_INTERFACE_DESCRIPTOR), // bLength
USB_INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
dim(g_HighSpeedEndpoints), // bNumEndpoints
0xff, // bInterfaceClass
0xff,// bInterfaceSubClass
0xff, // bInterfaceProtocol
0x00 // iInterface
},
NULL, // extended
0,
g_HighSpeedEndpoints // endpoint array
};
static UFN_INTERFACE g_HighSpeedInterface2 = {
sizeof(UFN_INTERFACE),
{
sizeof(USB_INTERFACE_DESCRIPTOR), // bLength
USB_INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
dim(g_HighSpeedEndpoints)-1, // bNumEndpoints
0xff, // bInterfaceClass
0xff,// bInterfaceSubClass
0xff, // bInterfaceProtocol
0x00 // iInterface
},
NULL, // extended
0,
g_HighSpeedEndpoints // endpoint array
};
static UFN_INTERFACE g_FullSpeedInterface1 = {
sizeof(UFN_INTERFACE),
{
sizeof(USB_INTERFACE_DESCRIPTOR), // bLength
USB_INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
dim(g_FullSpeedEndpoints), // bNumEndpoints
0xff, // bInterfaceClass
0xff,// bInterfaceSubClass
0xff, // bInterfaceProtocol
0x00 // iInterface
},
NULL, // extended
0,
g_FullSpeedEndpoints // endpoint array
};
static UFN_INTERFACE g_FullSpeedInterface2 = {
sizeof(UFN_INTERFACE),
{
sizeof(USB_INTERFACE_DESCRIPTOR), // bLength
USB_INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
dim(g_FullSpeedEndpoints)-1, // bNumEndpoints
0xff, // bInterfaceClass
0xff,// bInterfaceSubClass
0xff, // bInterfaceProtocol
0x00 // iInterface
},
NULL, // extended
0,
g_FullSpeedEndpoints // endpoint array
};
static UFN_CONFIGURATION g_HighSpeedConfig1 = {
sizeof(UFN_CONFIGURATION),
{
sizeof(USB_CONFIGURATION_DESCRIPTOR),// bLength
USB_CONFIGURATION_DESCRIPTOR_TYPE, // bDescriptorType
CB_CONFIG_DESCRIPTOR, // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
USB_CONFIG_RESERVED_ATTRIBUTE | USB_CONFIG_SELF_POWERED, // bmAttributes
0x00 // MaxPower
},
NULL,
0x01, // number of interfaces
&g_HighSpeedInterface1 // interface array
};
static UFN_CONFIGURATION g_HighSpeedConfig2 = {
sizeof(UFN_CONFIGURATION),
{
sizeof(USB_CONFIGURATION_DESCRIPTOR),// bLength
USB_CONFIGURATION_DESCRIPTOR_TYPE, // bDescriptorType
CB_CONFIG_DESCRIPTOR- sizeof(USB_ENDPOINT_DESCRIPTOR), // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
USB_CONFIG_RESERVED_ATTRIBUTE | USB_CONFIG_SELF_POWERED, // bmAttributes
0x00 // MaxPower
},
NULL,
0x01, // number of interfaces
&g_HighSpeedInterface2 // interface array
};
static UFN_CONFIGURATION g_FullSpeedConfig1 = {
sizeof(UFN_CONFIGURATION),
{
sizeof(USB_CONFIGURATION_DESCRIPTOR),// bLength
USB_CONFIGURATION_DESCRIPTOR_TYPE, // bDescriptorType
CB_CONFIG_DESCRIPTOR, // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
USB_CONFIG_RESERVED_ATTRIBUTE | USB_CONFIG_SELF_POWERED, // bmAttributes
0x00 // MaxPower
},
NULL,
0x01, // number of interfaces
&g_FullSpeedInterface1 // interface array
};
static UFN_CONFIGURATION g_FullSpeedConfig2 = {
sizeof(UFN_CONFIGURATION),
{
sizeof(USB_CONFIGURATION_DESCRIPTOR),// bLength
USB_CONFIGURATION_DESCRIPTOR_TYPE, // bDescriptorType
CB_CONFIG_DESCRIPTOR - sizeof(USB_ENDPOINT_DESCRIPTOR), // wTotalLength
0x01, // bNumInterfaces
0x01, // bConfigurationValue
0x00, // iConfiguration
USB_CONFIG_RESERVED_ATTRIBUTE | USB_CONFIG_SELF_POWERED, // bmAttributes
0x00 // MaxPower
},
NULL,
0x01, // number of interfaces
&g_FullSpeedInterface2 // interface array
};
static UFN_CLIENT_REG_INFO g_RegInfo = { sizeof(UFN_CLIENT_REG_INFO) };
static LPCWSTR g_rgpszStrings0409[] = {
g_RegInfo.szVendor, g_RegInfo.szProduct
};
static UFN_STRING_SET g_rgStringSets[] = {
0x0409, g_rgpszStrings0409, dim(g_rgpszStrings0409)
};
CUsbFn::CUsbFn (LPCTSTR lpActivePath)
: m_pUfnFuncs(&m_UfnFuncs)
{
DWORD dwLen = _tcslen(lpActivePath);
m_lpActivePath = new TCHAR[dwLen+1];
if (m_lpActivePath) {
_tcscpy(m_lpActivePath,lpActivePath);
m_lpActivePath[dwLen]= 0;
}
m_hDevice = NULL;
m_pvInterface = NULL;
m_CurrentSpeed = BS_HIGH_SPEED;
}
#define COMLAYER_DRIVER_PATH TEXT("ComLayer")
BOOL CUsbFn::Init()
{
if (m_lpActivePath &&
UfnInitializeInterface(m_lpActivePath, &m_hDevice, &m_UfnFuncs, &m_pvInterface)== ERROR_SUCCESS) {
PREFAST_ASSERT(m_hDevice!=NULL);
PREFAST_ASSERT(m_pUfnFuncs!=NULL);
CRegistryEdit driverKey(m_lpActivePath);
if (driverKey.IsKeyOpened()) {
DWORD dwRet = UfnGetRegistryInfo(m_lpActivePath, &g_RegInfo);
if (dwRet == ERROR_SUCCESS) {
g_HighSpeedDeviceDesc.idVendor = (USHORT) g_RegInfo.idVendor;
g_HighSpeedDeviceDesc.idProduct = (USHORT) g_RegInfo.idProduct;
g_HighSpeedDeviceDesc.bcdDevice = (USHORT) g_RegInfo.bcdDevice;
g_FullSpeedDeviceDesc.idVendor = g_HighSpeedDeviceDesc.idVendor;
g_FullSpeedDeviceDesc.idProduct = g_HighSpeedDeviceDesc.idProduct;
g_FullSpeedDeviceDesc.bcdDevice = g_HighSpeedDeviceDesc.bcdDevice;
// Register the descriptor tree with device controller
m_fInterrupt = TRUE;
dwRet = ERROR_GEN_FAILURE;
#ifdef USE_INTERRUPT_ENDPOINT
dwRet = m_pUfnFuncs->lpRegisterDevice(m_hDevice,
&g_HighSpeedDeviceDesc, &g_HighSpeedConfig1,
&g_FullSpeedDeviceDesc, &g_FullSpeedConfig1,
g_rgStringSets, dim(g_rgStringSets));
#endif
if (dwRet != ERROR_SUCCESS) { // Try Second
m_fInterrupt = FALSE;
dwRet = m_pUfnFuncs->lpRegisterDevice(m_hDevice,
&g_HighSpeedDeviceDesc, &g_HighSpeedConfig2,
&g_FullSpeedDeviceDesc, &g_FullSpeedConfig2,
g_rgStringSets, dim(g_rgStringSets));
}
if (dwRet == ERROR_SUCCESS ) { // Do I need Initial Pipe Here?
dwRet = m_pUfnFuncs->lpStart(m_hDevice, DeviceNotifyStub, this, &m_hDefaultPipe);
}
}
return (dwRet == ERROR_SUCCESS );
}
}
return FALSE;
}
CUsbFn::~CUsbFn()
{
if (m_lpActivePath)
delete m_lpActivePath;
if (m_pvInterface)
UfnDeinitializeInterface(m_pvInterface);
}
BOOL WINAPI CUsbFn::DeviceNotifyStub(PVOID pvNotifyParameter, DWORD dwMsg, DWORD dwParam)
{
PREFAST_ASSERT(pvNotifyParameter!=NULL);
return ((CUsbFn *)pvNotifyParameter)->DeviceNotify(dwMsg,dwParam);
}
BOOL CUsbFn::DeviceNotify(DWORD dwMsg, DWORD dwParam)
{
DEBUGMSG (ZONE_WRITE|ZONE_EVENTS,(TEXT("DeviceNotify (0x%x,0x%x)\r\n"),dwMsg, dwParam));
switch(dwMsg) {
case UFN_MSG_BUS_EVENTS: {
// Ensure device is in running state
DEBUGCHK(m_hDefaultPipe);
switch(dwParam) {
case UFN_DETACH:
CableDetached();
break;
case UFN_ATTACH:
break;
case UFN_RESET: {
CableDetached();
break;
}
}
break;
}
case UFN_MSG_BUS_SPEED:
m_CurrentSpeed = (UFN_BUS_SPEED) dwParam;
break;
case UFN_MSG_SETUP_PACKET:
case UFN_MSG_PREPROCESSED_SETUP_PACKET: {
HandleRequest(dwMsg,*(PUSB_DEVICE_REQUEST)dwParam);
break;
}
case UFN_MSG_CONFIGURED: {
if (dwParam == 0) {
CableDetached();
}
else {
CableAttached();
}
break;
}
}
return TRUE;
}
void CUsbFn::HandleRequest(
DWORD dwMsg,
USB_DEVICE_REQUEST udr
)
{
CONTROL_RESPONSE response;
if (dwMsg == UFN_MSG_PREPROCESSED_SETUP_PACKET) {
response = CR_SUCCESS; // Don't respond since it was already handled.
if ( udr.bmRequestType ==
(USB_REQUEST_HOST_TO_DEVICE | USB_REQUEST_STANDARD | USB_REQUEST_FOR_ENDPOINT) ) {
switch (udr.bRequest) {
case USB_REQUEST_CLEAR_FEATURE:
// This may be needed in the future to terminate a transfer
// in progress
HandleClearFeature(udr);
break;
}
}
}
else {
DEBUGCHK(dwMsg == UFN_MSG_SETUP_PACKET);
response = CR_STALL_DEFAULT_PIPE;
if (udr.bmRequestType & USB_REQUEST_CLASS) {
response = HandleClassRequest(udr);
}
}
if (response == CR_STALL_DEFAULT_PIPE) {
m_pUfnFuncs->lpStallPipe(m_hDevice, m_hDefaultPipe);
m_pUfnFuncs->lpSendControlStatusHandshake(m_hDevice);
}
else if (response == CR_SUCCESS_SEND_CONTROL_HANDSHAKE) {
m_pUfnFuncs->lpSendControlStatusHandshake(m_hDevice);
}
}
CONTROL_RESPONSE CUsbFn::HandleClassRequest(
USB_DEVICE_REQUEST udr
)
{
CONTROL_RESPONSE response = CR_STALL_DEFAULT_PIPE;
if (udr.bmRequestType ==
(USB_REQUEST_CLASS | USB_REQUEST_FOR_INTERFACE | USB_REQUEST_HOST_TO_DEVICE) ) {
if (udr.bRequest == SET_CONTROL_LINE_STATE) {
/* Host is notifying us of control line state.
* wValue contains bitmask
* 0 - DTR
* 1 - RTS
*/
DEBUGMSG( ZONE_FUNCTION, (TEXT("SET_CONTROL_LINE_STATE %X\r\n"),
udr.wValue));
DWORD dwModemStatus = 0;
if (udr.wValue & USB_COMM_DTR)
dwModemStatus |= (MS_DSR_ON|MS_RLSD_ON); // DTR active, set DSR/RLSD
if (udr.wValue & USB_COMM_RTS)
dwModemStatus |= MS_CTS_ON; // RTS active, set CTS
ModemSignal(dwModemStatus);
response = CR_SUCCESS_SEND_CONTROL_HANDSHAKE;
}
}
else {
RETAILMSG(1, (_T("Unrecognized Serial class bRequest -> 0x%x\r\n"), udr.bmRequestType));
ASSERT(FALSE);
}
ASSERT(response == CR_SUCCESS_SEND_CONTROL_HANDSHAKE);
return response;
}
void USBSerialFn::CableDetached()
{
// This is last time to call this structure.
m_HardwareLock.Lock();
CloseBulkIn();
CloseBulkOut();
CloseInterruptIn();
m_HardwareLock.Unlock();
ModemSignal(0);
}
void USBSerialFn::CableAttached()
{
m_HardwareLock.Lock();
DWORD dwBulkSize = (m_CurrentSpeed == BS_HIGH_SPEED?
g_HighSpeedEndpoints[BULK_IN_DESCRIPTOR_INDEX].Descriptor.wMaxPacketSize:
g_FullSpeedEndpoints[BULK_IN_DESCRIPTOR_INDEX].Descriptor.wMaxPacketSize);
BYTE uEdptAddr = (m_CurrentSpeed == BS_HIGH_SPEED?
g_HighSpeedEndpoints[BULK_IN_DESCRIPTOR_INDEX].Descriptor.bEndpointAddress:
g_FullSpeedEndpoints[BULK_IN_DESCRIPTOR_INDEX].Descriptor.bEndpointAddress);
OpenBulkIn(m_hDevice, m_pUfnFuncs,uEdptAddr,FALSE, dwBulkSize, 0x1000, 2);
dwBulkSize = (m_CurrentSpeed == BS_HIGH_SPEED?
g_HighSpeedEndpoints[BULK_OUT_DESCRIPTOR_INDEX].Descriptor.wMaxPacketSize:
g_FullSpeedEndpoints[BULK_OUT_DESCRIPTOR_INDEX].Descriptor.wMaxPacketSize);
uEdptAddr = (m_CurrentSpeed == BS_HIGH_SPEED?
g_HighSpeedEndpoints[BULK_OUT_DESCRIPTOR_INDEX].Descriptor.bEndpointAddress:
g_FullSpeedEndpoints[BULK_OUT_DESCRIPTOR_INDEX].Descriptor.bEndpointAddress);
OpenBulkOut(m_hDevice, m_pUfnFuncs,uEdptAddr,TRUE,dwBulkSize,dwBulkSize, 4); // WCEUSBSH Bug. Only can usb MaxPacketSize
if (m_fInterrupt) {
DWORD dwInterruptSize = (m_CurrentSpeed == BS_HIGH_SPEED?
g_HighSpeedEndpoints[INTERRUPT_IN_DESCRIPTOR_INDEX].Descriptor.wMaxPacketSize:
g_FullSpeedEndpoints[INTERRUPT_IN_DESCRIPTOR_INDEX].Descriptor.wMaxPacketSize);
uEdptAddr = (m_CurrentSpeed == BS_HIGH_SPEED?
g_HighSpeedEndpoints[INTERRUPT_IN_DESCRIPTOR_INDEX].Descriptor.bEndpointAddress:
g_FullSpeedEndpoints[INTERRUPT_IN_DESCRIPTOR_INDEX].Descriptor.bEndpointAddress);
OpenInterruptIn(m_hDevice, m_pUfnFuncs,uEdptAddr,FALSE,dwInterruptSize,8, 1);
}
m_HardwareLock.Unlock();
}
CSerialPDD * CreateSerialObject(LPTSTR lpActivePath, PVOID pMdd,PHWOBJ pHwObj, DWORD )
{
CSerialPDD * pSerialPDD = new USBSerialFn(lpActivePath,pMdd, pHwObj);
if (pSerialPDD && !pSerialPDD->Init()) {
delete pSerialPDD;
pSerialPDD = NULL;
}
return pSerialPDD;
}
void DeleteSerialObject(CSerialPDD * pSerialPDD)
{
if (pSerialPDD)
delete pSerialPDD;
}
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