/********************************************************************//**
* @brief
* @param
* @return
*********************************************************************/
bool Endpoint_ConfigureEndpoint(const uint8_t Number, const uint8_t Type,
const uint8_t Direction, const uint16_t Size, const uint8_t Banks)
{
uint8_t* ISO_Address;
uint32_t PhyEP = 2*Number + (Direction == ENDPOINT_DIR_OUT ? 0 : 1);
uint32_t EndPtCtrl = ENDPTCTRL_REG(Number);
memset(&dQueueHead[PhyEP], 0, sizeof(DeviceQueueHead) );
dQueueHead[PhyEP].MaxPacketSize = Size & 0x3ff;
dQueueHead[PhyEP].IntOnSetup = 1;
dQueueHead[PhyEP].ZeroLengthTermination = 1;
dQueueHead[PhyEP].overlay.NextTD = LINK_TERMINATE;
if (Direction == ENDPOINT_DIR_OUT)
{
EndPtCtrl &= ~0x0000FFFF;
EndPtCtrl |= ((Type << 2) & ENDPTCTRL_RxType) | ENDPTCTRL_RxEnable | ENDPTCTRL_RxToggleReset;
if(Type == EP_TYPE_ISOCHRONOUS)
{
uint32_t size = 0;
ENDPTCTRL_REG(Number) = (Type << 2); // TODO dummy to let DcdDataTransfer() knows iso transfer
ISO_Address = (uint8_t*)CALLBACK_HAL_GetISOBufferAddress(Number, &size);
DcdDataTransfer(PhyEP, ISO_Address,USB_DATA_BUFFER_TEM_LENGTH);
}
else
USB_REG(USBPortNum)->ENDPTNAKEN |= (1 << EP_Physical2BitPosition(PhyEP));
}else /* ENDPOINT_DIR_IN */
{
EndPtCtrl &= ~0xFFFF0000;
EndPtCtrl |= ((Type << 18) & ENDPTCTRL_TxType)| ENDPTCTRL_TxEnable| ENDPTCTRL_TxToggleReset;
if(Type == EP_TYPE_ISOCHRONOUS)
{
uint32_t size = 0;
ENDPTCTRL_REG(Number) = (Type << 18); // TODO dummy to let DcdDataTransfer() knows iso transfer
ISO_Address = (uint8_t*)CALLBACK_HAL_GetISOBufferAddress(Number, &size);
DcdDataTransfer(PhyEP, ISO_Address, size);
}
}
ENDPTCTRL_REG(Number) = EndPtCtrl;
endpointhandle[Number] = (Number==ENDPOINT_CONTROLEP) ? ENDPOINT_CONTROLEP : PhyEP;
return true;
}
void DMANewTransferRequestISR()
{
uint32_t PhyEP;
uint32_t NDDRIntSt = LPC_USB->NDDRIntSt;
for (PhyEP = 2; PhyEP < USED_PHYSICAL_ENDPOINTS; PhyEP++) /* Check All Endpoints */
{
if ( NDDRIntSt & _BIT(PhyEP) )
{
if ( IsOutEndpoint(PhyEP) ) /* OUT Endpoint */
{
if(dmaDescriptor[PhyEP].Isochronous == 1) // iso endpoint
{
DcdDataTransfer(PhyEP, ISO_Address,512);
}
else
{
uint16_t MaxPS = dmaDescriptor[PhyEP].MaxPacketSize;
if(usb_data_buffer_OUT_size==0){
usb_data_buffer_OUT_index = 0;
DcdDataTransfer(PhyEP, usb_data_buffer_OUT, MaxPS);
}else{
uint32_t index = usb_data_buffer_OUT_index;
DcdDataTransfer(PhyEP,
&usb_data_buffer_OUT[usb_data_buffer_OUT_size + index],
MaxPS);
}
}
}
else /* IN Endpoint */
{
if(dmaDescriptor[PhyEP].Isochronous == 1)
{
ISO_Address = (uint8_t*)CALLBACK_HAL_GetISOBufferAddress(PhyEP/2,&SizeAudioTransfer);
if(SizeAudioTransfer > 0)
DcdDataTransfer(PhyEP, ISO_Address,SizeAudioTransfer);
else
DcdDataTransfer(PhyEP, ISO_Address,512);
}
}
}
}
LPC_USB->NDDRIntClr = NDDRIntSt;
}
void DMAEndTransferISR()
{
uint32_t PhyEP;
uint32_t EoTIntSt = LPC_USB->EoTIntSt;
for (PhyEP = 2; PhyEP < USED_PHYSICAL_ENDPOINTS; PhyEP++) /* Check All Endpoints */
{
if ( EoTIntSt & _BIT(PhyEP) )
{
if ( IsOutEndpoint(PhyEP) ) /* OUT Endpoint */
{
if(dmaDescriptor[PhyEP].Isochronous == 1) // iso endpoint
{
#if 0
SizeAudioTransfer = (BufferAddressIso[0])& 0xFFFF;
ISO_Address = (uint8_t*)CALLBACK_HAL_GetISOBufferAddress(PhyEP/2,&SizeAudioTransfer);
DcdDataTransfer(PhyEP, ISO_Address,512);
#endif //0
}
usb_data_buffer_OUT_size += dmaDescriptor[PhyEP].PresentCount;
uint32_t index = usb_data_buffer_OUT_index;
if((usb_data_buffer_OUT_size + index +
dmaDescriptor[PhyEP].MaxPacketSize) > 512)
{
LPC_USB->DMAIntEn &= (uint32_t)~(1<<1);
}
}
else /* IN Endpoint */
{
/* Should be left blank */
}
}
}
LPC_USB->EoTIntClr = EoTIntSt;
}
