/*************************************************************************
* Function Name: USB_HwReset
* Parameters: none
*
* Return: none
*
* Description: Reset USB engine
*
*************************************************************************/
void USB_HwReset (void)
{
Int32U Count;
// Clear realized EP flag
for(Count = 0; Count < ENP_MAX_NUMB; Count++)
{
EpCnfg[Count].pEpCtrl = NULL;
}
// Free entire USB packet memory
for (Count = 0; Count < EP_MAX_SLOTS*2; Count++)
{
PacketMemBuff[Count].Size = 0;
}
// Resume delay counter
DlyCnt = 0;
// USB_Configure
USB_Configure(FALSE);
// Set Buffer table address
USB_BTABLE = USB_OffsetOfDBT;
// Init Packet memory table
pPacketMemUse = NULL;
// Control EP Init
USB_RealizeEp(&USB_CtrlEpDescr0,&USB_CtrlEpExt0,TRUE);
USB_RealizeEp(&USB_CtrlEpDescr1,&USB_CtrlEpExt1,TRUE);
// Set address 0
USB_SetDefAdd();
// Enable Device interrupts
USB_CNTR = bmCTRM | bmRESETM | bmSUSPM | bmWKUPM |
(USB_SOF_EVENT ? bmSOFM : 0) |
(USB_ERROR_EVENT ? bmERRM : 0) |
(USB_PMAOVR_EVENT ? bmPMAOVRM : 0) ;
}
/*************************************************************************
* Function Name: UsbEpInterfaceCnfg
* Parameters: pUsbStandardInterfaceDescriptor_t pInterface
* Boolean Configure
*
* Return: none
*
* Description: Configure/deconfigure EPs of a certain interface
*
*************************************************************************/
static
void UsbEpInterfaceCnfg(pUsbStandardInterfaceDescriptor_t pInterface,
Boolean Configure)
{
pUsbStandardEpDescriptor_t pEp = NULL;
const UsbEP_ExtData_t * pUsbEP_ExtData;
assert(pInterface);
while((pEp = UsbFindEP(pInterface,pEp)) != NULL)
{
pUsbEP_ExtData = USB_EP_ExtFind(pEp->bEndpointAddress);
assert(pUsbEP_ExtData);
USB_RealizeEp(pEp,pUsbEP_ExtData,Configure);
}
}
