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140 lines
7.3 KiB
C
140 lines
7.3 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2012.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief Common USB Host definitions for all architectures.
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* \copydetails Group_Host
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*
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* \note This file should not be included directly. It is automatically included as needed by the USB driver
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* dispatch header located in LUFA/Drivers/USB/USB.h.
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*/
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/** \ingroup Group_USB
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* \defgroup Group_Host Host Management
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* \brief USB Host management definitions for USB host mode.
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*
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* USB Host mode related macros and enums. This module contains macros and enums which are used when
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* the USB controller is initialized in host mode.
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*
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* @{
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*/
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#ifndef __USBHOST_H__
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#define __USBHOST_H__
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/* Includes: */
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#include "../../../Common/Common.h"
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#include "USBMode.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_USB_DRIVER)
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#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
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#endif
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/* Public Interface - May be used in end-application: */
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/* Enums: */
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/** Enum for the various states of the USB Host state machine.
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*
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* For information on each possible USB host state, refer to the USB 2.0 specification.
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* Several of the USB host states are broken up further into multiple smaller sub-states,
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* so that they can be internally implemented inside the library in an efficient manner.
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*
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* \see \ref USB_HostState, which stores the current host state machine state.
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*/
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enum USB_Host_States_t
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{
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HOST_STATE_WaitForDevice = 0, /**< This state indicates that the stack is waiting for an interval
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* to elapse before continuing with the next step of the device
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* enumeration process.
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*/
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HOST_STATE_Unattached = 1, /**< This state indicates that the host state machine is waiting for
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* a device to be attached so that it can start the enumeration process.
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*/
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HOST_STATE_Powered = 2, /**< This state indicates that a device has been attached, and the
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* library's internals are being configured to begin the enumeration
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* process.
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*/
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HOST_STATE_Powered_WaitForDeviceSettle = 3, /**< This state indicates that the stack is waiting for the initial
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* settling period to elapse before beginning the enumeration process.
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*/
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HOST_STATE_Powered_WaitForConnect = 4, /**< This state indicates that the stack is waiting for a connection event
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* from the USB controller to indicate a valid USB device has been attached
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* to the bus and is ready to be enumerated.
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*/
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HOST_STATE_Powered_DoReset = 5, /**< This state indicates that a valid USB device has been attached, and that
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* it will now be reset to ensure it is ready for enumeration.
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*/
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HOST_STATE_Powered_ConfigPipe = 6, /**< This state indicates that the attached device is currently powered and
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* reset, and that the control pipe is now being configured by the stack.
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*/
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HOST_STATE_Default = 7, /**< This state indicates that the stack is currently retrieving the control
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* endpoint's size from the device, so that the control pipe can be altered
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* to match.
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*/
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HOST_STATE_Default_PostReset = 8, /**< This state indicates that the control pipe is being reconfigured to match
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* the retrieved control endpoint size from the device, and the device's USB
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* bus address is being set.
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*/
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HOST_STATE_Default_PostAddressSet = 9, /**< This state indicates that the device's address has now been set, and the
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* stack is has now completed the device enumeration process. This state causes
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* the stack to change the current USB device address to that set for the
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* connected device, before progressing to the \ref HOST_STATE_Addressed state
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* ready for use in the user application.
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*/
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HOST_STATE_Addressed = 10, /**< Indicates that the device has been enumerated and addressed, and is now waiting
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* for the user application to configure the device ready for use.
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*/
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HOST_STATE_Configured = 11, /**< Indicates that the device has been configured into a valid device configuration,
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* ready for general use by the user application.
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*/
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};
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/* Architecture Includes: */
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#if (ARCH == ARCH_AVR8)
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#include "AVR8/Host_AVR8.h"
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#elif (ARCH == ARCH_UC3)
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#include "UC3/Host_UC3.h"
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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