Fix XMEGA core USB driver so that device mode enumerates correctly on the host PC.

This commit is contained in:
Dean Camera 2011-10-31 02:26:21 +00:00
parent eb5b8a32e4
commit 0304916356
6 changed files with 41 additions and 13 deletions

View file

@ -211,6 +211,7 @@
NVM.CMD = NVM_CMD_READ_CALIB_ROW_gc;
SerialByte = pgm_read_byte(SigReadAddress);
NVM.CMD = 0;
if (SerialCharNum & 0x01)
{

View file

@ -53,7 +53,7 @@ bool Endpoint_ConfigureEndpoint_PRV(const uint8_t Number,
Endpoint_SelectEndpoint(Number | Direction);
USB_Endpoint_SelectedHandle->CTRL = 0;
USB_Endpoint_SelectedHandle->STATUS = (Direction == ENDPOINT_DIR_IN) ? (USB_EP_BUSNACK0_bm | USB_EP_TRNCOMPL0_bm) : USB_EP_BUSNACK0_bm;
USB_Endpoint_SelectedHandle->STATUS = (Direction == ENDPOINT_DIR_IN) ? USB_EP_BUSNACK0_bm : 0;
USB_Endpoint_SelectedHandle->CTRL = Config;
USB_Endpoint_SelectedHandle->CNT = 0;
USB_Endpoint_SelectedHandle->DATAPTR = (intptr_t)&USB_Endpoint_SelectedFIFO->Data[0];
@ -72,13 +72,26 @@ void Endpoint_ClearEndpoints(void)
void Endpoint_ClearStatusStage(void)
{
while (!(Endpoint_IsOUTReceived()))
if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
while (!(Endpoint_IsOUTReceived()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_ClearOUT();
Endpoint_ClearOUT();
}
else
{
while (!(Endpoint_IsINReady()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_ClearIN();
}
}
#if !defined(CONTROL_ONLY_DEVICE)

View file

@ -433,7 +433,7 @@
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
return ((USB_Endpoint_SelectedHandle->STATUS & USB_EP_TRNCOMPL0_bm) ? true : false);
return ((USB_Endpoint_SelectedHandle->STATUS & USB_EP_BUSNACK0_bm) ? true : false);
}
/** Determines if the selected OUT endpoint has received new packet from the host.
@ -486,7 +486,13 @@
static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearSETUP(void)
{
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_SETUP_bm | USB_EP_BUSNACK0_bm);
USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_SETUP_bm | USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
USB_Endpoint_SelectedFIFO->Position = 0;
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
USB_Endpoint_SelectedFIFO->Position = 0;
}
@ -529,7 +535,14 @@
static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_StallTransaction(void)
{
USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
if ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_TYPE_gm) == USB_EP_TYPE_CONTROL_gc)
{
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
USB_Endpoint_SelectedHandle->STATUS |= USB_EP_STALL_bm;
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
}
}
/** Clears the STALL condition on the currently selected endpoint.
@ -551,7 +564,7 @@
static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsStalled(void)
{
return ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_STALL_bm) ? true : false);
return ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_STALLF_bm) ? true : false);
}
/** Resets the data toggle of the currently selected endpoint. */

View file

@ -69,8 +69,8 @@ void USB_Init(
NVM.CMD = NVM_CMD_READ_CALIB_ROW_gc;
USB.CAL0 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL0));
NVM.CMD = NVM_CMD_READ_CALIB_ROW_gc;
USB.CAL1 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL1));
NVM.CMD = 0;
USB.EPPTR = (intptr_t)&USB_EndpointTable;
USB.CTRLA = (USB_STFRNUM_bm | USB_MAXEP_gm);