--- /dev/null
+/*\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_HOST)\r
+\r
+#include "Pipe.h"\r
+\r
+uint8_t USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;\r
+\r
+bool Pipe_ConfigurePipe(const uint8_t Number,\r
+ const uint8_t Type,\r
+ const uint8_t Token,\r
+ const uint8_t EndpointNumber,\r
+ const uint16_t Size,\r
+ const uint8_t Banks)\r
+{\r
+#if defined(ORDERED_EP_CONFIG)\r
+ Pipe_SelectPipe(Number);\r
+ Pipe_EnablePipe();\r
+\r
+ UPCFG1X = 0;\r
+\r
+ UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0));\r
+ UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size));\r
+\r
+ Pipe_SetInfiniteINRequests();\r
+\r
+ return Pipe_IsConfigured();\r
+#else \r
+ for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++)\r
+ {\r
+ uint8_t UPCFG0XTemp;\r
+ uint8_t UPCFG1XTemp;\r
+ uint8_t UPCFG2XTemp;\r
+ uint8_t UPCONXTemp;\r
+ uint8_t UPINRQXTemp;\r
+ uint8_t UPIENXTemp;\r
+\r
+ Pipe_SelectPipe(PNum);\r
+ \r
+ if (PNum == Number)\r
+ {\r
+ UPCFG0XTemp = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0));\r
+ UPCFG1XTemp = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size));\r
+ UPCFG2XTemp = 0;\r
+ UPCONXTemp = ((1 << PEN) | (1 << INMODE));\r
+ UPINRQXTemp = 0;\r
+ UPIENXTemp = 0;\r
+ }\r
+ else\r
+ {\r
+ UPCFG0XTemp = UPCFG0X;\r
+ UPCFG1XTemp = UPCFG1X;\r
+ UPCFG2XTemp = UPCFG2X;\r
+ UPCONXTemp = UPCONX;\r
+ UPINRQXTemp = UPINRQX;\r
+ UPIENXTemp = UPIENX;\r
+ }\r
+\r
+ if (!(UPCFG1XTemp & (1 << ALLOC)))\r
+ continue;\r
+ \r
+ Pipe_DisablePipe();\r
+ UPCFG1X &= (1 << ALLOC);\r
+\r
+ Pipe_EnablePipe();\r
+ UPCFG0X = UPCFG0XTemp;\r
+ UPCFG1X = UPCFG1XTemp;\r
+ UPCFG2X = UPCFG2XTemp;\r
+ UPCONX = UPCONXTemp;\r
+ UPINRQX = UPINRQXTemp;\r
+ UPIENX = UPIENXTemp;\r
+\r
+ if (!(Pipe_IsConfigured()))\r
+ return false; \r
+ }\r
+ \r
+ Pipe_SelectPipe(Number); \r
+ return true;\r
+#endif\r
+}\r
+\r
+void Pipe_ClearPipes(void)\r
+{\r
+ UPINT = 0;\r
+\r
+ for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++)\r
+ {\r
+ Pipe_SelectPipe(PNum);\r
+ UPIENX = 0;\r
+ UPINTX = 0;\r
+ UPCFG1X = 0;\r
+ Pipe_DisablePipe();\r
+ }\r
+}\r
+\r
+bool Pipe_IsEndpointBound(const uint8_t EndpointAddress)\r
+{\r
+ uint8_t PrevPipeNumber = Pipe_GetCurrentPipe();\r
+\r
+ for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++)\r
+ {\r
+ Pipe_SelectPipe(PNum);\r
+\r
+ if (!(Pipe_IsConfigured()))\r
+ continue;\r
+\r
+ uint8_t PipeToken = Pipe_GetPipeToken();\r
+ bool PipeTokenCorrect = true;\r
+\r
+ if (PipeToken != PIPE_TOKEN_SETUP)\r
+ PipeTokenCorrect = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT));\r
+\r
+ if (PipeTokenCorrect && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)))\r
+ return true;\r
+ }\r
+\r
+ Pipe_SelectPipe(PrevPipeNumber);\r
+ return false;\r
+}\r
+\r
+uint8_t Pipe_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_Host_GetFrameNumber();\r
+\r
+ for (;;)\r
+ {\r
+ if (Pipe_GetPipeToken() == PIPE_TOKEN_IN)\r
+ {\r
+ if (Pipe_IsINReceived())\r
+ return PIPE_READYWAIT_NoError;\r
+ }\r
+ else\r
+ {\r
+ if (Pipe_IsOUTReady())\r
+ return PIPE_READYWAIT_NoError;\r
+ }\r
+\r
+ if (Pipe_IsStalled())\r
+ return PIPE_READYWAIT_PipeStalled;\r
+ else if (USB_HostState == HOST_STATE_Unattached)\r
+ return PIPE_READYWAIT_DeviceDisconnected;\r
+\r
+ uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();\r
+\r
+ if (CurrentFrameNumber != PreviousFrameNumber)\r
+ {\r
+ PreviousFrameNumber = CurrentFrameNumber;\r
+\r
+ if (!(TimeoutMSRem--))\r
+ return PIPE_READYWAIT_Timeout;\r
+ }\r
+ }\r
+}\r
+\r
+#endif\r
+\r
projects / pub / lufa.git / blobdiff