-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 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 "../HighLevel/USBMode.h"\r
-\r
-#if defined(USB_CAN_BE_HOST)\r
-\r
-#define __INCLUDE_FROM_HOSTCHAPTER9_C\r
-#include "HostChapter9.h"\r
-\r
-uint8_t USB_Host_SendControlRequest(void* BufferPtr)\r
-{\r
- uint8_t* HeaderStream = (uint8_t*)&USB_ControlRequest;\r
- uint8_t* DataStream = (uint8_t*)BufferPtr;\r
- bool BusSuspended = USB_Host_IsBusSuspended();\r
- uint8_t ReturnStatus = HOST_SENDCONTROL_Successful;\r
- uint16_t DataLen = USB_ControlRequest.wLength;\r
-\r
- USB_Host_ResumeBus();\r
- \r
- if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- Pipe_SetPipeToken(PIPE_TOKEN_SETUP);\r
- Pipe_ClearErrorFlags();\r
-\r
- Pipe_Unfreeze();\r
-\r
- for (uint8_t HeaderByte = 0; HeaderByte < sizeof(USB_Request_Header_t); HeaderByte++)\r
- Pipe_Write_Byte(*(HeaderStream++));\r
-\r
- Pipe_ClearSETUP();\r
- \r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_SetupSent)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- Pipe_Freeze();\r
-\r
- if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST)\r
- {\r
- Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
- \r
- if (DataStream != NULL)\r
- {\r
- while (DataLen)\r
- {\r
- Pipe_Unfreeze();\r
-\r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
- \r
- if (!(Pipe_BytesInPipe()))\r
- DataLen = 0;\r
- \r
- while (Pipe_BytesInPipe() && DataLen)\r
- {\r
- *(DataStream++) = Pipe_Read_Byte();\r
- DataLen--;\r
- }\r
-\r
- Pipe_Freeze();\r
- Pipe_ClearIN();\r
- }\r
- }\r
-\r
- Pipe_SetPipeToken(PIPE_TOKEN_OUT);\r
- Pipe_Unfreeze();\r
- \r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- Pipe_ClearOUT();\r
-\r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
- }\r
- else\r
- {\r
- if (DataStream != NULL)\r
- {\r
- Pipe_SetPipeToken(PIPE_TOKEN_OUT);\r
- Pipe_Unfreeze(); \r
-\r
- while (DataLen)\r
- {\r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- while (DataLen && (Pipe_BytesInPipe() < USB_ControlPipeSize))\r
- { \r
- Pipe_Write_Byte(*(DataStream++));\r
- DataLen--;\r
- }\r
- \r
- Pipe_ClearOUT();\r
- }\r
-\r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- Pipe_Freeze();\r
- }\r
- \r
- Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
- Pipe_Unfreeze();\r
-\r
- if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)\r
- goto End_Of_Control_Send;\r
-\r
- Pipe_ClearIN();\r
- }\r
-\r
-End_Of_Control_Send:\r
- Pipe_Freeze();\r
- \r
- if (BusSuspended)\r
- USB_Host_SuspendBus();\r
-\r
- Pipe_ResetPipe(PIPE_CONTROLPIPE);\r
-\r
- return ReturnStatus;\r
-}\r
-\r
-static uint8_t USB_Host_WaitForIOS(const uint8_t WaitType)\r
-{\r
- #if (USB_HOST_TIMEOUT_MS < 0xFF)\r
- uint8_t TimeoutCounter = USB_HOST_TIMEOUT_MS; \r
- #else\r
- uint16_t TimeoutCounter = USB_HOST_TIMEOUT_MS;\r
- #endif\r
- \r
- while (!(((WaitType == USB_HOST_WAITFOR_SetupSent) && Pipe_IsSETUPSent()) ||\r
- ((WaitType == USB_HOST_WAITFOR_InReceived) && Pipe_IsINReceived()) ||\r
- ((WaitType == USB_HOST_WAITFOR_OutReady) && Pipe_IsOUTReady())))\r
- {\r
- uint8_t ErrorCode;\r
-\r
- if ((ErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)\r
- return ErrorCode;\r
- \r
- if (!(TimeoutCounter--))\r
- return HOST_SENDCONTROL_SoftwareTimeOut;\r
- }\r
-\r
- return HOST_SENDCONTROL_Successful;\r
-}\r
-\r
-#endif\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 "../HighLevel/USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#define __INCLUDE_FROM_HOSTCHAPTER9_C
+#include "HostChapter9.h"
+
+uint8_t USB_Host_SendControlRequest(void* BufferPtr)
+{
+ uint8_t* HeaderStream = (uint8_t*)&USB_ControlRequest;
+ uint8_t* DataStream = (uint8_t*)BufferPtr;
+ bool BusSuspended = USB_Host_IsBusSuspended();
+ uint8_t ReturnStatus = HOST_SENDCONTROL_Successful;
+ uint16_t DataLen = USB_ControlRequest.wLength;
+
+ USB_Host_ResumeBus();
+
+ if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
+ goto End_Of_Control_Send;
+
+ Pipe_SetPipeToken(PIPE_TOKEN_SETUP);
+ Pipe_ClearErrorFlags();
+
+ Pipe_Unfreeze();
+
+ for (uint8_t HeaderByte = 0; HeaderByte < sizeof(USB_Request_Header_t); HeaderByte++)
+ Pipe_Write_Byte(*(HeaderStream++));
+
+ Pipe_ClearSETUP();
+
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_SetupSent)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+
+ Pipe_Freeze();
+
+ if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
+ goto End_Of_Control_Send;
+
+ if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST)
+ {
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+
+ if (DataStream != NULL)
+ {
+ while (DataLen)
+ {
+ Pipe_Unfreeze();
+
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+
+ if (!(Pipe_BytesInPipe()))
+ DataLen = 0;
+
+ while (Pipe_BytesInPipe() && DataLen)
+ {
+ *(DataStream++) = Pipe_Read_Byte();
+ DataLen--;
+ }
+
+ Pipe_Freeze();
+ Pipe_ClearIN();
+ }
+ }
+
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
+ Pipe_Unfreeze();
+
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+
+ Pipe_ClearOUT();
+
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+ }
+ else
+ {
+ if (DataStream != NULL)
+ {
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
+ Pipe_Unfreeze();
+
+ while (DataLen)
+ {
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+
+ while (DataLen && (Pipe_BytesInPipe() < USB_ControlPipeSize))
+ {
+ Pipe_Write_Byte(*(DataStream++));
+ DataLen--;
+ }
+
+ Pipe_ClearOUT();
+ }
+
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+
+ Pipe_Freeze();
+ }
+
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ Pipe_Unfreeze();
+
+ if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)
+ goto End_Of_Control_Send;
+
+ Pipe_ClearIN();
+ }
+
+End_Of_Control_Send:
+ Pipe_Freeze();
+
+ if (BusSuspended)
+ USB_Host_SuspendBus();
+
+ Pipe_ResetPipe(PIPE_CONTROLPIPE);
+
+ return ReturnStatus;
+}
+
+static uint8_t USB_Host_WaitForIOS(const uint8_t WaitType)
+{
+ #if (USB_HOST_TIMEOUT_MS < 0xFF)
+ uint8_t TimeoutCounter = USB_HOST_TIMEOUT_MS;
+ #else
+ uint16_t TimeoutCounter = USB_HOST_TIMEOUT_MS;
+ #endif
+
+ while (!(((WaitType == USB_HOST_WAITFOR_SetupSent) && Pipe_IsSETUPSent()) ||
+ ((WaitType == USB_HOST_WAITFOR_InReceived) && Pipe_IsINReceived()) ||
+ ((WaitType == USB_HOST_WAITFOR_OutReady) && Pipe_IsOUTReady())))
+ {
+ uint8_t ErrorCode;
+
+ if ((ErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
+ return ErrorCode;
+
+ if (!(TimeoutCounter--))
+ return HOST_SENDCONTROL_SoftwareTimeOut;
+ }
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+#endif
projects / pub / USBasp.git / blobdiff