diff options
Diffstat (limited to 'tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c')
| -rw-r--r-- | tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c b/tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c new file mode 100644 index 0000000000..b105e18c36 --- /dev/null +++ b/tmk_core/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.c @@ -0,0 +1,168 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#include "../../../../Common/Common.h"
+#if (ARCH == ARCH_XMEGA)
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#include "../Endpoint.h"
+
+#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
+uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
+#endif
+
+Endpoint_FIFOPair_t USB_Endpoint_FIFOs[ENDPOINT_TOTAL_ENDPOINTS];
+
+volatile uint8_t USB_Endpoint_SelectedEndpoint;
+volatile USB_EP_t* USB_Endpoint_SelectedHandle;
+volatile Endpoint_FIFO_t* USB_Endpoint_SelectedFIFO;
+
+bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table,
+ const uint8_t Entries)
+{
+ for (uint8_t i = 0; i < Entries; i++)
+ {
+ if (!(Table[i].Address))
+ continue;
+
+ if (!(Endpoint_ConfigureEndpoint(Table[i].Address, Table[i].Type, Table[i].Size, Table[i].Banks)))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool Endpoint_ConfigureEndpoint_PRV(const uint8_t Address,
+ const uint8_t Config,
+ const uint8_t Size)
+{
+ Endpoint_SelectEndpoint(Address);
+
+ USB_Endpoint_SelectedHandle->CTRL = 0;
+ USB_Endpoint_SelectedHandle->STATUS = (Address & 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;
+
+ USB_Endpoint_SelectedFIFO->Length = (Address & ENDPOINT_DIR_IN) ? Size : 0;
+ USB_Endpoint_SelectedFIFO->Position = 0;
+
+ return true;
+}
+
+void Endpoint_ClearEndpoints(void)
+{
+ for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+ {
+ ((USB_EndpointTable_t*)USB.EPPTR)->Endpoints[EPNum].IN.CTRL = 0;
+ ((USB_EndpointTable_t*)USB.EPPTR)->Endpoints[EPNum].OUT.CTRL = 0;
+ }
+}
+
+void Endpoint_ClearStatusStage(void)
+{
+ if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)
+ {
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+
+ Endpoint_ClearOUT();
+ }
+ else
+ {
+ while (!(Endpoint_IsINReady()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+
+ Endpoint_ClearIN();
+ }
+}
+
+#if !defined(CONTROL_ONLY_DEVICE)
+uint8_t Endpoint_WaitUntilReady(void)
+{
+ #if (USB_STREAM_TIMEOUT_MS < 0xFF)
+ uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
+ #else
+ uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
+ #endif
+
+ uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();
+
+ for (;;)
+ {
+ if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)
+ {
+ if (Endpoint_IsINReady())
+ return ENDPOINT_READYWAIT_NoError;
+ }
+ else
+ {
+ if (Endpoint_IsOUTReceived())
+ return ENDPOINT_READYWAIT_NoError;
+ }
+
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+ return ENDPOINT_READYWAIT_DeviceDisconnected;
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+ return ENDPOINT_READYWAIT_BusSuspended;
+ else if (Endpoint_IsStalled())
+ return ENDPOINT_READYWAIT_EndpointStalled;
+
+ uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();
+
+ if (CurrentFrameNumber != PreviousFrameNumber)
+ {
+ PreviousFrameNumber = CurrentFrameNumber;
+
+ if (!(TimeoutMSRem--))
+ return ENDPOINT_READYWAIT_Timeout;
+ }
+ }
+}
+#endif
+
+#endif
+
+#endif
+
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