/*\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
- 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
this software.\r
*/\r
\r
-#include "USBMode.h"\r
+#include "../HighLevel/USBMode.h"\r
+\r
#if defined(USB_CAN_BE_HOST)\r
\r
+#define INCLUDE_FROM_HOST_C\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
- USB_INT_Clear(USB_INT_HSOFI);\r
USB_Host_ResumeBus();\r
\r
while (MS)\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
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
USB_INT_Disable(USB_INT_DDISCI);\r
\r
USB_Host_ResetBus();\r
- while (!(USB_Host_IsResetBusDone()));\r
+ while (!(USB_Host_IsBusResetComplete()));\r
+\r
+ USB_Host_ResumeBus();\r
\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-pullup devices. After a USB bus reset,\r
- all disconnection interrupts are supressed while a USB frame is\r
+ /* Workaround for powerless-pull-up devices. After a USB bus reset,\r
+ all disconnection interrupts are suppressed while a USB frame is\r
looked for - if it is found within 10ms, the device is still\r
present. */\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
\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
projects / pub / USBasp.git / blobdiff