Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
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Dean Camera
parent
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839 changed files with 274562 additions and 274562 deletions
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 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 USB OTG mode definitions.
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*
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* This file contains structures, function prototypes and macros related to USB OTG mode, where two USB devices
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* may be linked directly together and exchange host/device roles as needed.
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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_OTG USB On The Go (OTG) Management
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*
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* This module contains macros for embedded USB hosts with dual role On The Go capabilities, for managing role
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* exchange. OTG is a way for two USB dual role devices to talk to one another directly without fixed device/host
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* roles.
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*
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* @{
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*/
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#ifndef __USBOTG_H__
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#define __USBOTG_H__
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/* Includes: */
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#include <avr/io.h>
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#include <stdbool.h>
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#include "../../../Common/Common.h"
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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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/* Macros: */
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/** Mask for the VBUS pulsing method of SRP, supported by some OTG devices.
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*
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* \see USB_OTG_DEV_Initiate_SRP()
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*/
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#define USB_OTG_SRP_VBUS (1 << SRPSEL)
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/** Mask for the Data + pulsing method of SRP, supported by some OTG devices.
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*
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* \see USB_OTG_DEV_Initiate_SRP()
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*/
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#define USB_OTG_STP_DATA 0
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/* Pseudo-Function Macros: */
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#if defined(__DOXYGEN__)
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/** Initiate a Host Negotiation Protocol request. This indicates to the other connected device
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* that the device wishes to change device/host roles.
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*/
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static inline void USB_OTG_Device_RequestHNP(void);
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/** Cancel a Host Negotiation Protocol request. This stops a pending HNP request to the other
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* connected device.
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*/
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static inline void USB_OTG_Device_CancelHNPRequest(void);
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/** Determines if the device is currently sending a HNP to an attached host.
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*
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* \return Boolean true if currently sending a HNP to the other connected device, false otherwise
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*/
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static inline bool USB_OTG_Device_IsSendingHNP(void);
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/** Accepts a HNP from a connected device, indicating that both devices should exchange
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* device/host roles.
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*/
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static inline void USB_OTG_Host_AcceptHNP(void);
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/** Rejects a HNP from a connected device, indicating that both devices should remain in their
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* current device/host roles.
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*/
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static inline void USB_OTG_Host_RejectHNP(void);
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/** Indicates if the connected device is not currently sending a HNP request.
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*
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* \return Boolean true if a HNP is currently being issued by the connected device, false otherwise.
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*/
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static inline bool USB_OTG_Host_IsHNPReceived(void);
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/** Initiates a Session Request Protocol request. Most OTG devices turn off VBUS when the USB
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* interface is not in use, to conserve power. Sending a SRP to a USB OTG device running in
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* host mode indicates that VBUS should be applied and a session started.
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*
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* There are two different methods of sending a SRP - either pulses on the VBUS line, or by
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* pulsing the Data + line via the internal pull-up resistor.
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*
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* \param[in] SRPTypeMask Mask indicating the type of SRP to use, either \ref USB_OTG_SRP_VBUS or \ref USB_OTG_STP_DATA.
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*/
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static inline void USB_OTG_Dev_InitiateSRP(uint8_t SRPTypeMask);
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#else
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#define USB_OTG_Device_RequestHNP() MACROS{ OTGCON |= (1 << HNPREQ); }MACROE
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#define USB_OTG_Device_CancelHNPRequest() MACROS{ OTGCON &= ~(1 << HNPREQ); }MACROE
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#define USB_OTG_Device_IsSendingHNP() ((OTGCON & (1 << HNPREQ)) ? true : false)
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#define USB_OTG_Host_AcceptHNP() MACROS{ OTGCON |= (1 << HNPREQ); }MACROE
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#define USB_OTG_Host_RejectHNP() MACROS{ OTGCON &= ~(1 << HNPREQ); }MACROE
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#define USB_OTG_Host_IsHNPReceived() ((OTGCON & (1 << HNPREQ)) ? true : false)
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#define USB_OTG_Device_InitiateSRP(type) MACROS{ OTGCON = ((OTGCON & ~(1 << SRPSEL)) | ((type) | (1 << SRPREQ))); }MACROE
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#endif
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#endif
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/** @} */
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 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 USB OTG mode definitions.
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*
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* This file contains structures, function prototypes and macros related to USB OTG mode, where two USB devices
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* may be linked directly together and exchange host/device roles as needed.
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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_OTG USB On The Go (OTG) Management
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*
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* This module contains macros for embedded USB hosts with dual role On The Go capabilities, for managing role
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* exchange. OTG is a way for two USB dual role devices to talk to one another directly without fixed device/host
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* roles.
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*
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* @{
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*/
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#ifndef __USBOTG_H__
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#define __USBOTG_H__
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/* Includes: */
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#include <avr/io.h>
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#include <stdbool.h>
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#include "../../../Common/Common.h"
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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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/* Macros: */
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/** Mask for the VBUS pulsing method of SRP, supported by some OTG devices.
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*
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* \see USB_OTG_DEV_Initiate_SRP()
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*/
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#define USB_OTG_SRP_VBUS (1 << SRPSEL)
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/** Mask for the Data + pulsing method of SRP, supported by some OTG devices.
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*
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* \see USB_OTG_DEV_Initiate_SRP()
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*/
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#define USB_OTG_STP_DATA 0
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/* Pseudo-Function Macros: */
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#if defined(__DOXYGEN__)
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/** Initiate a Host Negotiation Protocol request. This indicates to the other connected device
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* that the device wishes to change device/host roles.
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*/
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static inline void USB_OTG_Device_RequestHNP(void);
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/** Cancel a Host Negotiation Protocol request. This stops a pending HNP request to the other
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* connected device.
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*/
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static inline void USB_OTG_Device_CancelHNPRequest(void);
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/** Determines if the device is currently sending a HNP to an attached host.
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*
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* \return Boolean true if currently sending a HNP to the other connected device, false otherwise
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*/
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static inline bool USB_OTG_Device_IsSendingHNP(void);
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/** Accepts a HNP from a connected device, indicating that both devices should exchange
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* device/host roles.
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*/
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static inline void USB_OTG_Host_AcceptHNP(void);
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/** Rejects a HNP from a connected device, indicating that both devices should remain in their
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* current device/host roles.
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*/
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static inline void USB_OTG_Host_RejectHNP(void);
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/** Indicates if the connected device is not currently sending a HNP request.
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*
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* \return Boolean true if a HNP is currently being issued by the connected device, false otherwise.
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*/
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static inline bool USB_OTG_Host_IsHNPReceived(void);
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/** Initiates a Session Request Protocol request. Most OTG devices turn off VBUS when the USB
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* interface is not in use, to conserve power. Sending a SRP to a USB OTG device running in
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* host mode indicates that VBUS should be applied and a session started.
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*
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* There are two different methods of sending a SRP - either pulses on the VBUS line, or by
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* pulsing the Data + line via the internal pull-up resistor.
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*
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* \param[in] SRPTypeMask Mask indicating the type of SRP to use, either \ref USB_OTG_SRP_VBUS or \ref USB_OTG_STP_DATA.
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*/
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static inline void USB_OTG_Dev_InitiateSRP(uint8_t SRPTypeMask);
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#else
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#define USB_OTG_Device_RequestHNP() MACROS{ OTGCON |= (1 << HNPREQ); }MACROE
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#define USB_OTG_Device_CancelHNPRequest() MACROS{ OTGCON &= ~(1 << HNPREQ); }MACROE
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#define USB_OTG_Device_IsSendingHNP() ((OTGCON & (1 << HNPREQ)) ? true : false)
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#define USB_OTG_Host_AcceptHNP() MACROS{ OTGCON |= (1 << HNPREQ); }MACROE
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#define USB_OTG_Host_RejectHNP() MACROS{ OTGCON &= ~(1 << HNPREQ); }MACROE
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#define USB_OTG_Host_IsHNPReceived() ((OTGCON & (1 << HNPREQ)) ? true : false)
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#define USB_OTG_Device_InitiateSRP(type) MACROS{ OTGCON = ((OTGCON & ~(1 << SRPSEL)) | ((type) | (1 << SRPREQ))); }MACROE
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#endif
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#endif
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/** @} */
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