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Add FatFS library to the Webserver project, extend the HTTP server so that it now...
[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Host.c
diff --git a/LUFA/Drivers/USB/LowLevel/Host.c b/LUFA/Drivers/USB/LowLevel/Host.c
index fe02f7c..a5452fd 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Host.c
+++ b/LUFA/Drivers/USB/LowLevel/Host.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  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
+  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 without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
@@ -32,14 +32,174 @@
 \r
 #if defined(USB_CAN_BE_HOST)\r
 \r
 \r
 #if defined(USB_CAN_BE_HOST)\r
 \r
+#define  INCLUDE_FROM_HOST_C\r
 #include "Host.h"\r
 \r
 #include "Host.h"\r
 \r
+void USB_Host_ProcessNextHostState(void)\r
+{\r
+       uint8_t ErrorCode    = HOST_ENUMERROR_NoError;\r
+       uint8_t SubErrorCode = HOST_ENUMERROR_NoError;\r
+\r
+       static uint16_t WaitMSRemaining;\r
+       static uint8_t  PostWaitState;\r
+\r
+       switch (USB_HostState)\r
+       {\r
+               case HOST_STATE_WaitForDevice:\r
+                       if (WaitMSRemaining)\r
+                       {\r
+                               if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)\r
+                               {\r
+                                       USB_HostState = PostWaitState;\r
+                                       ErrorCode     = HOST_ENUMERROR_WaitStage;\r
+                                       break;\r
+                               }\r
+                               \r
+                               if (!(--WaitMSRemaining))\r
+                                 USB_HostState = PostWaitState;\r
+                       }\r
+               \r
+                       break;\r
+               case HOST_STATE_Powered:\r
+                       WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS;\r
+               \r
+                       USB_HostState = HOST_STATE_Powered_WaitForDeviceSettle;\r
+                       break;\r
+               case HOST_STATE_Powered_WaitForDeviceSettle:\r
+                       if (WaitMSRemaining--)\r
+                       {\r
+                               _delay_ms(1);\r
+                               break;\r
+                       }\r
+                       else\r
+                       {\r
+                               USB_Host_VBUS_Manual_Off();\r
+\r
+                               USB_OTGPAD_On();\r
+                               USB_Host_VBUS_Auto_Enable();\r
+                               USB_Host_VBUS_Auto_On();\r
+                               \r
+                               USB_HostState = HOST_STATE_Powered_WaitForConnect;\r
+                       }\r
+                       \r
+                       break;\r
+               case HOST_STATE_Powered_WaitForConnect:         \r
+                       if (USB_INT_HasOccurred(USB_INT_DCONNI))\r
+                       {       \r
+                               USB_INT_Clear(USB_INT_DCONNI);\r
+                               USB_INT_Clear(USB_INT_DDISCI);\r
+\r
+                               USB_INT_Clear(USB_INT_VBERRI);\r
+                               USB_INT_Enable(USB_INT_VBERRI);\r
+                                       \r
+                               USB_Host_ResumeBus();\r
+                               Pipe_ClearPipes();\r
+                               \r
+                               HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Powered_DoReset);\r
+                       }\r
+\r
+                       break;\r
+               case HOST_STATE_Powered_DoReset:\r
+                       USB_Host_ResetDevice();\r
+\r
+                       HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered_ConfigPipe);\r
+                       break;\r
+               case HOST_STATE_Powered_ConfigPipe:\r
+                       Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,\r
+                                                          PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP,\r
+                                                          PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE);            \r
+               \r
+                       if (!(Pipe_IsConfigured()))\r
+                       {\r
+                               ErrorCode    = HOST_ENUMERROR_PipeConfigError;\r
+                               SubErrorCode = 0;\r
+                               break;\r
+                       }\r
+\r
+                       USB_HostState = HOST_STATE_Default;\r
+                       break;\r
+               case HOST_STATE_Default:\r
+                       USB_ControlRequest = (USB_Request_Header_t)\r
+                               {\r
+                                       .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
+                                       .bRequest      = REQ_GetDescriptor,\r
+                                       .wValue        = (DTYPE_Device << 8),\r
+                                       .wIndex        = 0,\r
+                                       .wLength       = 8,\r
+                               };\r
+\r
+                       uint8_t DataBuffer[8];\r
+\r
+                       if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful)\r
+                       {\r
+                               ErrorCode = HOST_ENUMERROR_ControlError;\r
+                               break;\r
+                       }\r
+\r
+                       USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)];\r
+       \r
+                       USB_Host_ResetDevice();\r
+                       \r
+                       HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset);\r
+                       break;\r
+               case HOST_STATE_Default_PostReset:\r
+                       Pipe_DisablePipe();\r
+                       Pipe_DeallocateMemory();                \r
+                       Pipe_ResetPipe(PIPE_CONTROLPIPE);\r
+                       \r
+                       Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,\r
+                                          PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP,\r
+                                          USB_ControlPipeSize, PIPE_BANK_SINGLE);\r
+\r
+                       if (!(Pipe_IsConfigured()))\r
+                       {\r
+                               ErrorCode    = HOST_ENUMERROR_PipeConfigError;\r
+                               SubErrorCode = 0;\r
+                               break;\r
+                       }\r
+\r
+                       USB_ControlRequest = (USB_Request_Header_t)\r
+                               {\r
+                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
+                                       .bRequest      = REQ_SetAddress,\r
+                                       .wValue        = USB_HOST_DEVICEADDRESS,\r
+                                       .wIndex        = 0,\r
+                                       .wLength       = 0,\r
+                               };\r
+\r
+                       if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
+                       {\r
+                               ErrorCode = HOST_ENUMERROR_ControlError;\r
+                               break;\r
+                       }\r
+\r
+                       HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet);\r
+                       break;\r
+               case HOST_STATE_Default_PostAddressSet:\r
+                       USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS);\r
+\r
+                       EVENT_USB_Host_DeviceEnumerationComplete();\r
+                       USB_HostState = HOST_STATE_Addressed;\r
+                       break;\r
+       }\r
+\r
+       if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached))\r
+       {\r
+               EVENT_USB_Host_DeviceEnumerationFailed(ErrorCode, SubErrorCode);\r
+\r
+               USB_Host_VBUS_Auto_Off();\r
+\r
+               EVENT_USB_Host_DeviceUnattached();\r
+\r
+               USB_ResetInterface();\r
+       }\r
+}\r
+\r
 uint8_t USB_Host_WaitMS(uint8_t MS)\r
 {\r
        bool    BusSuspended = USB_Host_IsBusSuspended();\r
        uint8_t ErrorCode    = HOST_WAITERROR_Successful;\r
        \r
 uint8_t USB_Host_WaitMS(uint8_t MS)\r
 {\r
        bool    BusSuspended = USB_Host_IsBusSuspended();\r
        uint8_t ErrorCode    = HOST_WAITERROR_Successful;\r
        \r
-       USB_INT_Clear(USB_INT_HSOFI);\r
        USB_Host_ResumeBus();\r
 \r
        while (MS)\r
        USB_Host_ResumeBus();\r
 \r
        while (MS)\r
@@ -50,7 +210,7 @@ uint8_t USB_Host_WaitMS(uint8_t MS)
                        MS--;\r
                }\r
                                        \r
                        MS--;\r
                }\r
                                        \r
-               if ((USB_IsConnected == false) || (USB_CurrentMode == USB_MODE_DEVICE))\r
+               if ((USB_HostState == HOST_STATE_Unattached) || (USB_CurrentMode == USB_MODE_DEVICE))\r
                {\r
                        ErrorCode = HOST_WAITERROR_DeviceDisconnect;\r
                        \r
                {\r
                        ErrorCode = HOST_WAITERROR_DeviceDisconnect;\r
                        \r
@@ -80,7 +240,7 @@ uint8_t USB_Host_WaitMS(uint8_t MS)
        return ErrorCode;\r
 }\r
 \r
        return ErrorCode;\r
 }\r
 \r
-void USB_Host_ResetDevice(void)\r
+static void USB_Host_ResetDevice(void)\r
 {\r
        bool BusSuspended = USB_Host_IsBusSuspended();\r
 \r
 {\r
        bool BusSuspended = USB_Host_IsBusSuspended();\r
 \r
@@ -89,9 +249,10 @@ void USB_Host_ResetDevice(void)
        USB_Host_ResetBus();\r
        while (!(USB_Host_IsBusResetComplete()));\r
 \r
        USB_Host_ResetBus();\r
        while (!(USB_Host_IsBusResetComplete()));\r
 \r
+       USB_Host_ResumeBus();\r
+\r
        USB_INT_Clear(USB_INT_HSOFI);\r
        USB_INT_Clear(USB_INT_HSOFI);\r
-       USB_Host_ResumeBus();   \r
-       \r
+\r
        for (uint8_t MSRem = 10; MSRem != 0; MSRem--)\r
        {\r
                /* Workaround for powerless-pull-up devices. After a USB bus reset,\r
        for (uint8_t MSRem = 10; MSRem != 0; MSRem--)\r
        {\r
                /* Workaround for powerless-pull-up devices. After a USB bus reset,\r
@@ -101,6 +262,7 @@ void USB_Host_ResetDevice(void)
 \r
                if (USB_INT_HasOccurred(USB_INT_HSOFI))\r
                {\r
 \r
                if (USB_INT_HasOccurred(USB_INT_HSOFI))\r
                {\r
+                       USB_INT_Clear(USB_INT_HSOFI);\r
                        USB_INT_Clear(USB_INT_DDISCI);\r
                        break;\r
                }\r
                        USB_INT_Clear(USB_INT_DDISCI);\r
                        break;\r
                }\r
@@ -113,4 +275,72 @@ void USB_Host_ResetDevice(void)
 \r
        USB_INT_Enable(USB_INT_DDISCI);\r
 }\r
 \r
        USB_INT_Enable(USB_INT_DDISCI);\r
 }\r
+\r
+uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+               {\r
+                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
+                       .bRequest      = REQ_SetConfiguration,\r
+                       .wValue        = ConfigNumber,\r
+                       .wIndex        = 0,\r
+                       .wLength       = 0,\r
+               };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r
+uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+               {\r
+                       .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
+                       .bRequest      = REQ_GetDescriptor,\r
+                       .wValue        = (DTYPE_Device << 8),\r
+                       .wIndex        = 0,\r
+                       .wLength       = sizeof(USB_Descriptor_Device_t),\r
+               };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(DeviceDescriptorPtr);\r
+}\r
+\r
+uint8_t USB_Host_GetDeviceStringDescriptor(uint8_t Index, void* const Buffer, uint8_t BufferLength)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+               {\r
+                       .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
+                       .bRequest      = REQ_GetDescriptor,\r
+                       .wValue        = (DTYPE_String << 8) | Index,\r
+                       .wIndex        = 0,\r
+                       .wLength       = BufferLength,\r
+               };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(Buffer);\r
+}\r
+\r
+uint8_t USB_Host_ClearPipeStall(uint8_t EndpointNum)\r
+{\r
+       if (Pipe_GetPipeToken() == PIPE_TOKEN_IN)\r
+         EndpointNum |= ENDPOINT_DESCRIPTOR_DIR_IN;\r
+\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+               {\r
+                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT),\r
+                       .bRequest      = REQ_ClearFeature,\r
+                       .wValue        = FEATURE_ENDPOINT_HALT,\r
+                       .wIndex        = EndpointNum,\r
+                       .wLength       = 0,\r
+               };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r
 #endif\r
 #endif\r
USB isp AVR programmer