Add LUFA-111009-BETA tag.
[pub/USBasp.git] / LUFA / Drivers / USB / Core / XMEGA / Endpoint_XMEGA.c
index 154020c..6e198d3 100644 (file)
-/*\r
-             LUFA Library\r
-     Copyright (C) Dean Camera, 2011.\r
-\r
-  dean [at] fourwalledcubicle [dot] com\r
-           www.lufa-lib.org\r
-*/\r
-\r
-/*\r
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, distribute, and sell this\r
-  software and its documentation for any purpose is hereby granted\r
-  without fee, provided that the above copyright notice appear in\r
-  all copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
-  software without specific, written prior permission.\r
-\r
-  The author disclaim all warranties with regard to this\r
-  software, including all implied warranties of merchantability\r
-  and fitness.  In no event shall the author be liable for any\r
-  special, indirect or consequential damages or any damages\r
-  whatsoever resulting from loss of use, data or profits, whether\r
-  in an action of contract, negligence or other tortious action,\r
-  arising out of or in connection with the use or performance of\r
-  this software.\r
-*/\r
-\r
-#define  __INCLUDE_FROM_USB_DRIVER\r
-#include "../USBMode.h"\r
-\r
-#if defined(USB_CAN_BE_DEVICE)\r
-\r
-#include "../Endpoint.h"\r
-\r
-#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)\r
-uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;\r
-#endif\r
-\r
-bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,\r
-                                    const uint8_t UECFG0XData,\r
-                                    const uint8_t UECFG1XData)\r
-{\r
-       // TODO\r
-}\r
-\r
-void Endpoint_ClearEndpoints(void)\r
-{\r
-       // TODO\r
-}\r
-\r
-void Endpoint_ClearStatusStage(void)\r
-{\r
-       // TODO\r
-}\r
-\r
-#if !defined(CONTROL_ONLY_DEVICE)\r
-uint8_t Endpoint_WaitUntilReady(void)\r
-{\r
-       return 0; // TODO\r
-}\r
-#endif\r
-\r
-#endif\r
-\r
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  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.
+*/
+
+#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
+
+volatile uint8_t   Endpoint_SelectedEndpoint;
+volatile USB_EP_t* Endpoint_SelectedEndpointHandle;
+
+void Endpoint_ClearEndpoints(void)
+{
+       for (uint8_t EPNum = 0; EPNum < (ENDPOINT_TOTAL_ENDPOINTS * 2); EPNum++)
+         ((USB_EP_t*)&USB_EndpointTable)[EPNum].CTRL = 0;
+}
+
+void Endpoint_ClearStatusStage(void)
+{
+       while (!(Endpoint_IsOUTReceived()))
+       {
+               if (USB_DeviceState == DEVICE_STATE_Unattached)
+                 return;
+       }
+
+       Endpoint_ClearOUT();
+}
+
+#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_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
+