/*
* WindowsInit - windows-specific initialization
*/
int WindowsInit( HANDLE inst, int showcmd )
{
WNDCLASS wc;
BOOL rc;
WORD x,y;
HGLOBAL handle;
if( !SetTimer( MainWindowHandle, TIMER_ID, 32000, 0L) ) {
return( FALSE );
}
handle = GlobalAlloc( GMEM_FIXED | GMEM_ZEROINIT,
MAX_SAMPLES * sizeof( samp_save ) );
if( handle == NULL ) {
KillTimer( MainWindowHandle, TIMER_ID);
return( FALSE );
}
SampSave = MK_FP( handle, 0 );
wc.style = 0;
wc.lpfnWndProc = MainDriver;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = inst;
wc.hIcon = LoadIcon(inst, "ApplIcon" );
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = GetStockObject(GRAY_BRUSH);
wc.lpszMenuName = ResName( "WSampMenu" );
wc.lpszClassName = sampleClass;
rc = RegisterClass( &wc );
if( !rc ) {
return( FALSE );
}
x = GetSystemMetrics( SM_CXSCREEN );
y = GetSystemMetrics( SM_CYSCREEN );
InstanceHandle = inst;
MainWindowHandle = CreateWindow(
sampleClass,
"Open Watcom Sampler for Windows",
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN, /* Window style. */
0, /* Default horizontal position. */
0, /* Default vertical position. */
x, /* width. */
y, /* height. */
NULL, /* Overlapped windows have no parent. */
NULL, /* Use the window class menu. */
inst, /* This instance owns this window. */
NULL /* Pointer not needed. */
);
if( !MainWindowHandle ) return( FALSE );
ShowWindow( MainWindowHandle, showcmd );
UpdateWindow( MainWindowHandle );
rc = StartOutput( x,y );
return( rc );
} /* WindowsInit */
void AT91_USBHS_Driver::Endpoint_ISR(UINT32 endpoint)
{
USB_CONTROLLER_STATE *State = g_AT91_USBHS_Driver.pUsbControllerState;
UINT32 Status;
struct AT91_UDPHS *pUdp = (struct AT91_UDPHS *) (AT91C_BASE_UDP);
struct AT91_UDPHS_EPTFIFO *pFifo = (struct AT91_UDPHS_EPTFIFO *)AT91C_BASE_UDP_DMA;
Status = pUdp->UDPHS_EPT[endpoint].UDPHS_EPTSTA;
// Control Endpoint
if(endpoint == 0)
{
// ugly
if(Status & AT91C_UDPHS_RX_BK_RDY)
{
while(pUdp->UDPHS_EPT[0].UDPHS_EPTSTA & AT91C_UDPHS_RX_BK_RDY) pUdp->UDPHS_EPT[0].UDPHS_EPTCLRSTA &= ~AT91C_UDPHS_RX_BK_RDY;
}
// set up packet receive
if(Status & AT91C_UDPHS_RX_SETUP)
{
#if 1
UINT8 len = (pUdp->UDPHS_EPT[0].UDPHS_EPTSTA >> 20) & 0x7F;
(*(UINT32 *)(&g_AT91_USBHS_Driver.ControlPacketBuffer[0])) = pFifo->UDPHS_READEPT0[0];
(*(UINT32 *)(&g_AT91_USBHS_Driver.ControlPacketBuffer[4])) = pFifo->UDPHS_READEPT0[0];
#else
UINT8 len = 8;
#endif
// UINT8 len = (EP_CSR >> 16) & 0x7F;
// special handling for the very first SETUP command - Getdescriptor[DeviceType], the host looks for 8 bytes data only
USB_SETUP_PACKET* Setup= (USB_SETUP_PACKET* )&g_AT91_USBHS_Driver.ControlPacketBuffer[0];
if((Setup->bRequest == USB_GET_DESCRIPTOR) && (((Setup->wValue & 0xFF00) >> 8) == USB_DEVICE_DESCRIPTOR_TYPE) && (Setup->wLength != 0x12))
g_AT91_USBHS_Driver.FirstDescriptorPacket = TRUE;
else
g_AT91_USBHS_Driver.FirstDescriptorPacket = FALSE;
/*
if(Setup->bmRequestType & 0x80)
{
while(!(pUdp->UDP_CSR[0] & AT91C_UDP_DIR)) pUdp->UDP_CSR[0] |= AT91C_UDP_DIR;
}
*/
while(pUdp->UDPHS_EPT[0].UDPHS_EPTSTA & AT91C_UDPHS_RX_SETUP)
pUdp->UDPHS_EPT[0].UDPHS_EPTCLRSTA = AT91C_UDPHS_RX_SETUP;
/* send it to the upper layer */
State->Data = &g_AT91_USBHS_Driver.ControlPacketBuffer[0];
State->DataSize = len;
pUdp->UDPHS_EPT[0].UDPHS_EPTCTLENB = AT91C_UDPHS_TX_PK_RDY;
UINT8 result = USB_ControlCallback(State);
switch(result)
{
case USB_STATE_DATA:
/* setup packet was handled and the upper layer has data to send */
break;
case USB_STATE_ADDRESS:
/* upper layer needs us to change the address */
// address stage handles in hardware
break;
case USB_STATE_DONE:
State->DataCallback = NULL;
break;
case USB_STATE_STALL:
// since the setup command all handled in the hardware, should not have this state
//
// setup packet failed to process successfully
// set stall condition on the default control
// endpoint
//
break;
case USB_STATE_STATUS:
// handle by hardware
break;
case USB_STATE_CONFIGURATION:
/* USB spec 9.4.5 SET_CONFIGURATION resets halt conditions, resets toggle bits */
break;
case USB_STATE_REMOTE_WAKEUP:
// It is not using currently as the device side won't go into SUSPEND mode unless
// the PC is purposely to select it to SUSPEND, as there is always SOF in the bus
// to keeping the device from SUSPEND.
break;
default:
ASSERT(0);
break;
// the status change is only seen and taken care in hardware
}
if(result != USB_STATE_STALL)
{
ControlNext();
// If port is now configured, output any queued data
if( result == USB_STATE_CONFIGURATION )
{
for( int ep = 1; ep < c_Used_Endpoints; ep++ )
{
if( State->Queues[ep] && State->IsTxQueue[ep] )
StartOutput( State, ep );
}
}
}
}