void Chap9_StallEP0InControlRead(void)
{
Hal4D13_StallEP0InControlRead();
RaiseIRQL();
if(!ControlData.Abort)
{
bD13flags.bits.DCP_state = USBFSM4DCP_STALL;
}
LowerIRQL();
}
void Isr_Ep00TxDone(void)
{
short i = ControlData.wLength - ControlData.wCount;
UCHAR ep_last;
Hal4D13_ReadInterruptRegister();
ep_last = Hal4D13_GetEndpointStatusWInteruptClear(EPINDEX4EP0_CONTROL_IN); /* Clear interrupt flag */
switch (bD13flags.bits.DCP_state)
{
case USBFSM4DCP_HANDSHAKE:
break;
case USBFSM4DCP_DATAIN:
if( i >= EP0_PACKET_SIZE)
{
Hal4D13_WriteEndpoint(EPINDEX4EP0_CONTROL_IN,ControlData.Addr.pData + ControlData.wCount, EP0_PACKET_SIZE);
ControlData.wCount += EP0_PACKET_SIZE;
// State remains at USBFSM4DCP_DATAIN
}
else if( i != 0)
{
Hal4D13_WriteEndpoint(1, ControlData.Addr.pData + ControlData.wCount, i);
ControlData.wCount += i;
bD13flags.bits.DCP_state = USBFSM4DCP_HANDSHAKE;
}
else if (i == 0)
{
bD13flags.bits.DCP_state = USBFSM4DCP_HANDSHAKE;
Hal4D13_SingleTransmitEP0(0, 0);
}
break;
case USBFSM4DCP_REQUESTPROC: break;
case USBFSM4DCP_IDLE: break;
case USBFSM4DCP_SETUPPROC: break;
case USBFSM4DCP_STALL: break;
case USBFSM4DCP_DATAOUT: break;
default:
USB_ISR_DEBUG(("Fatal Error: Isr_Ep0TxDone Unexpected FSMState=%x\r\n",bD13flags.bits.DCP_state));
bD13flags.bits.DCP_state = USBFSM4DCP_STALL;
Hal4D13_StallEP0InControlRead();
break;
}
}
void Chap9_StallEP0(void)
{
UCHAR dir;
dir = ControlData.DeviceRequest.bmRequestType & USB_REQUEST_DIR_MASK;
if(dir)
{
Hal4D13_StallEP0InControlRead();
}
else
{
Hal4D13_StallEP0InControlWrite();
}
RaiseIRQL();
if(!ControlData.Abort)
{
bD13flags.bits.DCP_state = USBFSM4DCP_STALL;
}
LowerIRQL();
}