X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/cad5e9ffca70f4f5d3b486049088fd77dfa8f0ca..b6a3c78fa3e46fea1dd6f4b93352686837983dfd:/LUFA/Drivers/USB/Core/UC3B/Host.c diff --git a/LUFA/Drivers/USB/Core/UC3B/Host.c b/LUFA/Drivers/USB/Core/UC3B/Host.c deleted file mode 100644 index 03b8f60dd..000000000 --- a/LUFA/Drivers/USB/Core/UC3B/Host.c +++ /dev/null @@ -1,355 +0,0 @@ -/* - 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_HOST) - -#define __INCLUDE_FROM_HOST_C -#include "Host.h" - -void USB_Host_ProcessNextHostState(void) -{ - uint8_t ErrorCode = HOST_ENUMERROR_NoError; - uint8_t SubErrorCode = HOST_ENUMERROR_NoError; - - static uint16_t WaitMSRemaining; - static uint8_t PostWaitState; - - switch (USB_HostState) - { - case HOST_STATE_WaitForDevice: - if (WaitMSRemaining) - { - if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) - { - USB_HostState = PostWaitState; - ErrorCode = HOST_ENUMERROR_WaitStage; - break; - } - - if (!(--WaitMSRemaining)) - USB_HostState = PostWaitState; - } - - break; - case HOST_STATE_Powered: - WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS; - - USB_HostState = HOST_STATE_Powered_WaitForDeviceSettle; - break; - case HOST_STATE_Powered_WaitForDeviceSettle: - if (WaitMSRemaining--) - { - _delay_ms(1); - break; - } - else - { - USB_Host_VBUS_Manual_Off(); - - USB_OTGPAD_On(); - USB_Host_VBUS_Auto_Enable(); - USB_Host_VBUS_Auto_On(); - - USB_HostState = HOST_STATE_Powered_WaitForConnect; - } - - break; - case HOST_STATE_Powered_WaitForConnect: - if (USB_INT_HasOccurred(USB_INT_DCONNI)) - { - USB_INT_Clear(USB_INT_DCONNI); - USB_INT_Clear(USB_INT_DDISCI); - - USB_INT_Clear(USB_INT_VBERRI); - USB_INT_Enable(USB_INT_VBERRI); - - USB_Host_ResumeBus(); - Pipe_ClearPipes(); - - HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Powered_DoReset); - } - - break; - case HOST_STATE_Powered_DoReset: - USB_Host_ResetDevice(); - - HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered_ConfigPipe); - break; - case HOST_STATE_Powered_ConfigPipe: - Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, - PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP, - PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE); - - if (!(Pipe_IsConfigured())) - { - ErrorCode = HOST_ENUMERROR_PipeConfigError; - SubErrorCode = 0; - break; - } - - USB_HostState = HOST_STATE_Default; - break; - case HOST_STATE_Default: - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_GetDescriptor, - .wValue = (DTYPE_Device << 8), - .wIndex = 0, - .wLength = 8, - }; - - uint8_t DataBuffer[8]; - - if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful) - { - ErrorCode = HOST_ENUMERROR_ControlError; - break; - } - - USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)]; - - USB_Host_ResetDevice(); - - HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset); - break; - case HOST_STATE_Default_PostReset: - Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, - PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP, - USB_ControlPipeSize, PIPE_BANK_SINGLE); - - if (!(Pipe_IsConfigured())) - { - ErrorCode = HOST_ENUMERROR_PipeConfigError; - SubErrorCode = 0; - break; - } - - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_SetAddress, - .wValue = USB_HOST_DEVICEADDRESS, - .wIndex = 0, - .wLength = 0, - }; - - if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) - { - ErrorCode = HOST_ENUMERROR_ControlError; - break; - } - - HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet); - break; - case HOST_STATE_Default_PostAddressSet: - USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS); - - EVENT_USB_Host_DeviceEnumerationComplete(); - USB_HostState = HOST_STATE_Addressed; - break; - } - - if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached)) - { - EVENT_USB_Host_DeviceEnumerationFailed(ErrorCode, SubErrorCode); - - USB_Host_VBUS_Auto_Off(); - - EVENT_USB_Host_DeviceUnattached(); - - USB_ResetInterface(); - } -} - -uint8_t USB_Host_WaitMS(uint8_t MS) -{ - bool BusSuspended = USB_Host_IsBusSuspended(); - uint8_t ErrorCode = HOST_WAITERROR_Successful; - bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); - - USB_INT_Disable(USB_INT_HSOFI); - USB_INT_Clear(USB_INT_HSOFI); - - USB_Host_ResumeBus(); - - while (MS) - { - if (USB_INT_HasOccurred(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - MS--; - } - - if ((USB_HostState == HOST_STATE_Unattached) || (USB_CurrentMode != USB_MODE_Host)) - { - ErrorCode = HOST_WAITERROR_DeviceDisconnect; - - break; - } - - if (Pipe_IsError() == true) - { - Pipe_ClearError(); - ErrorCode = HOST_WAITERROR_PipeError; - - break; - } - - if (Pipe_IsStalled() == true) - { - Pipe_ClearStall(); - ErrorCode = HOST_WAITERROR_SetupStalled; - - break; - } - } - - if (BusSuspended) - USB_Host_SuspendBus(); - - if (HSOFIEnabled) - USB_INT_Enable(USB_INT_HSOFI); - - return ErrorCode; -} - -static void USB_Host_ResetDevice(void) -{ - bool BusSuspended = USB_Host_IsBusSuspended(); - - USB_INT_Disable(USB_INT_DDISCI); - - USB_Host_ResetBus(); - while (!(USB_Host_IsBusResetComplete())); - USB_Host_ResumeBus(); - - bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); - - USB_INT_Disable(USB_INT_HSOFI); - USB_INT_Clear(USB_INT_HSOFI); - - for (uint8_t MSRem = 10; MSRem != 0; MSRem--) - { - /* Workaround for powerless-pull-up devices. After a USB bus reset, - all disconnection interrupts are suppressed while a USB frame is - looked for - if it is found within 10ms, the device is still - present. */ - - if (USB_INT_HasOccurred(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - USB_INT_Clear(USB_INT_DDISCI); - break; - } - - _delay_ms(1); - } - - if (HSOFIEnabled) - USB_INT_Enable(USB_INT_HSOFI); - - if (BusSuspended) - USB_Host_SuspendBus(); - - USB_INT_Enable(USB_INT_DDISCI); -} - -uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_SetConfiguration, - .wValue = ConfigNumber, - .wIndex = 0, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - -uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_GetDescriptor, - .wValue = (DTYPE_Device << 8), - .wIndex = 0, - .wLength = sizeof(USB_Descriptor_Device_t), - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(DeviceDescriptorPtr); -} - -uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index, - void* const Buffer, - const uint8_t BufferLength) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_GetDescriptor, - .wValue = (DTYPE_String << 8) | Index, - .wIndex = 0, - .wLength = BufferLength, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(Buffer); -} - -uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointNum) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT), - .bRequest = REQ_ClearFeature, - .wValue = FEATURE_SEL_EndpointHalt, - .wIndex = EndpointNum, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - -#endif -