Add LUFA-111009-BETA tag.
[pub/USBasp.git] / LUFA / Drivers / USB / Core / UC3 / Endpoint_UC3.c
index 3337c7d..19a57a1 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
-volatile uint32_t USB_SelectedEndpoint = ENDPOINT_CONTROLEP;\r
-volatile uint8_t* USB_EndpointFIFOPos[ENDPOINT_TOTAL_ENDPOINTS];\r
-\r
-bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,\r
-                                    const uint32_t UECFG0Data)\r
-{\r
-       Endpoint_SelectEndpoint(Number);\r
-       Endpoint_EnableEndpoint();\r
-\r
-       (&AVR32_USBB.uecfg0)[Number] = 0;\r
-       (&AVR32_USBB.uecfg0)[Number] = UECFG0Data;\r
-       USB_EndpointFIFOPos[Number]  = &AVR32_USBB_SLAVE[Number * 0x10000];\r
-\r
-       return Endpoint_IsConfigured();\r
-}\r
-\r
-void Endpoint_ClearEndpoints(void)\r
-{\r
-       for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)\r
-       {\r
-               Endpoint_SelectEndpoint(EPNum);\r
-               (&AVR32_USBB.uecfg0)[EPNum]    = 0;\r
-               (&AVR32_USBB.uecon0clr)[EPNum] = -1;\r
-               USB_EndpointFIFOPos[EPNum]     = &AVR32_USBB_SLAVE[EPNum * 0x10000];\r
-               Endpoint_DisableEndpoint();\r
-       }\r
-}\r
-\r
-void Endpoint_ClearStatusStage(void)\r
-{\r
-       if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)\r
-       {\r
-               while (!(Endpoint_IsOUTReceived()))\r
-               {\r
-                       if (USB_DeviceState == DEVICE_STATE_Unattached)\r
-                         return;\r
-               }\r
-\r
-               Endpoint_ClearOUT();\r
-       }\r
-       else\r
-       {\r
-               while (!(Endpoint_IsINReady()))\r
-               {\r
-                       if (USB_DeviceState == DEVICE_STATE_Unattached)\r
-                         return;\r
-               }\r
-\r
-               Endpoint_ClearIN();\r
-       }\r
-}\r
-\r
-#if !defined(CONTROL_ONLY_DEVICE)\r
-uint8_t Endpoint_WaitUntilReady(void)\r
-{\r
-       #if (USB_STREAM_TIMEOUT_MS < 0xFF)\r
-       uint8_t  TimeoutMSRem = USB_STREAM_TIMEOUT_MS;\r
-       #else\r
-       uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;\r
-       #endif\r
-\r
-       uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();\r
-\r
-       for (;;)\r
-       {\r
-               if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)\r
-               {\r
-                       if (Endpoint_IsINReady())\r
-                         return ENDPOINT_READYWAIT_NoError;\r
-               }\r
-               else\r
-               {\r
-                       if (Endpoint_IsOUTReceived())\r
-                         return ENDPOINT_READYWAIT_NoError;\r
-               }\r
-               \r
-               uint8_t USB_DeviceState_LCL = USB_DeviceState;\r
-\r
-               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)\r
-                 return ENDPOINT_READYWAIT_DeviceDisconnected;\r
-               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)\r
-                 return ENDPOINT_READYWAIT_BusSuspended;\r
-               else if (Endpoint_IsStalled())\r
-                 return ENDPOINT_READYWAIT_EndpointStalled;\r
-\r
-               uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();\r
-\r
-               if (CurrentFrameNumber != PreviousFrameNumber)\r
-               {\r
-                       PreviousFrameNumber = CurrentFrameNumber;\r
-\r
-                       if (!(TimeoutMSRem--))\r
-                         return ENDPOINT_READYWAIT_Timeout;\r
-               }\r
-       }\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 uint32_t USB_SelectedEndpoint = ENDPOINT_CONTROLEP;
+volatile uint8_t* USB_EndpointFIFOPos[ENDPOINT_TOTAL_ENDPOINTS];
+
+bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
+                                    const uint32_t UECFG0Data)
+{
+#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG)
+       Endpoint_SelectEndpoint(Number);
+       Endpoint_EnableEndpoint();
+
+       (&AVR32_USBB.uecfg0)[Number] = 0;
+       (&AVR32_USBB.uecfg0)[Number] = UECFG0Data;
+       USB_EndpointFIFOPos[Number]  = &AVR32_USBB_SLAVE[Number * 0x10000];
+
+       return Endpoint_IsConfigured();
+#else
+       for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+       {
+               uint8_t UECFG0Temp;
+
+               Endpoint_SelectEndpoint(EPNum);
+               
+               if (EPNum == Number)
+               {
+                       UECFG0Temp = UECFG0Data;
+               }
+               else
+               {
+                       UECFG0Temp = (&AVR32_USBB.uecfg0)[EPNum];
+               }
+
+               if (!(UECFG0Temp & AVR32_USBB_ALLOC_MASK))
+                 continue;
+
+               Endpoint_DisableEndpoint();
+               (&AVR32_USBB.uecfg0)[EPNum] &= ~AVR32_USBB_ALLOC_MASK;
+
+               Endpoint_EnableEndpoint();
+               (&AVR32_USBB.uecfg0)[EPNum] = UECFG0Temp;
+                       
+               if (!(Endpoint_IsConfigured()))
+                 return false;                 
+       }
+       
+       Endpoint_SelectEndpoint(Number);
+       return true;
+#endif
+}
+
+void Endpoint_ClearEndpoints(void)
+{
+       for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+       {
+               Endpoint_SelectEndpoint(EPNum);
+               (&AVR32_USBB.uecfg0)[EPNum]    = 0;
+               (&AVR32_USBB.uecon0clr)[EPNum] = -1;
+               USB_EndpointFIFOPos[EPNum]     = &AVR32_USBB_SLAVE[EPNum * 0x10000];
+               Endpoint_DisableEndpoint();
+       }
+}
+
+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
+