//----------------------------------------------------------------------------
VOID IEP0InterruptHandler(VOID)
{
USBCTL |= FRSTE; // Function Reset Connection Enable
tEndPoint0DescriptorBlock.bOEPBCNT = 0x00;
if(bStatusAction == STATUS_ACTION_DATA_IN)
{
usbSendNextPacketOnIEP0();
}
else
{
tEndPoint0DescriptorBlock.bIEPCNFG |= EPCNF_STALL; // no more data
}
}
void usbSendDataPacketOnEP0(uint8_t* pbBuffer)
{
uint16_t wTemp;
pbIEP0Buffer = pbBuffer;
wTemp = tSetupPacket.wLength;
// Limit transfer size to wLength if needed
// this prevent USB device sending 'more than require' data back to host
if(wBytesRemainingOnIEP0 >= wTemp){
wBytesRemainingOnIEP0 = wTemp;
bHostAskMoreDataThanAvailable = FALSE;
}else bHostAskMoreDataThanAvailable = TRUE;
usbSendNextPacketOnIEP0();
}
VOID usbSendDataPacketOnEP0(PBYTE pbBuffer)
{
WORD bTemp;
pbIEP0Buffer = pbBuffer;
bTemp = tSetupPacket.wLength;
// Limit transfer size to wLength if needed
// this prevent USB device sending 'more than require' data back to host
if(wBytesRemainingOnIEP0 >= bTemp)
{
wBytesRemainingOnIEP0 = bTemp;
bHostAskMoreDataThanAvailable = FALSE;
}
else
{
bHostAskMoreDataThanAvailable = TRUE;
}
usbSendNextPacketOnIEP0();
}
