Add svn:eol-style property to source files, so that the line endings are correctly...
[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Device.h
index 5ef4fc0..d8e7739 100644 (file)
-/*\r
-             LUFA Library\r
-     Copyright (C) Dean Camera, 2010.\r
-              \r
-  dean [at] fourwalledcubicle [dot] com\r
-      www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\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, including all implied warranties of merchantability\r
-  and fitness.  In no event shall the author be liable for any\r
-  special, indirect or consequential damages or any damages\r
-  whatsoever resulting from loss of use, data or profits, whether\r
-  in an action of contract, negligence or other tortious action,\r
-  arising out of or in connection with the use or performance of\r
-  this software.\r
-*/\r
-\r
-/** \file\r
- *  \brief USB device mode definitions.\r
- *\r
- *  This file contains structures, function prototypes and macros related to USB device mode.\r
- *\r
- *  \note This file should not be included directly. It is automatically included as needed by the USB driver\r
- *        dispatch header located in LUFA/Drivers/USB/USB.h.\r
- */\r
-\r
-/** \ingroup Group_USB\r
- *  @defgroup Group_Device Device Management\r
- *\r
- *  USB Device mode related macros and enums. This module contains macros and enums which are used when\r
- *  the USB controller is initialized in device mode.\r
- *\r
- *  @{\r
- */\r
-\r
-#ifndef __USBDEVICE_H__\r
-#define __USBDEVICE_H__\r
-\r
-       /* Includes: */\r
-               #include <avr/pgmspace.h>\r
-               #include <avr/eeprom.h>\r
-\r
-               #include "../../../Common/Common.h"     \r
-               #include "../HighLevel/StdDescriptors.h"\r
-               #include "Endpoint.h"\r
-\r
-       /* Preprocessor Checks: */\r
-               #if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS))\r
-                       #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.\r
-               #endif\r
-\r
-               #if !defined(__INCLUDE_FROM_USB_DRIVER)\r
-                       #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.\r
-               #endif\r
-                       \r
-       /* Public Interface - May be used in end-application: */\r
-               /* Macros: */\r
-                       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__)\r
-                               /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the\r
-                                *  USB interface should be initialized in low speed (1.5Mb/s) mode.\r
-                                *\r
-                                *  \note Low Speed mode is not available on all USB AVR models.\r
-                                *        \n\n\r
-                                *\r
-                                *  \note Restrictions apply on the number, size and type of endpoints which can be used\r
-                                *        when running in low speed mode -- refer to the USB 2.0 standard.\r
-                                */\r
-                               #define USB_DEVICE_OPT_LOWSPEED            (1 << 0)\r
-                       #endif\r
-                       \r
-                       /** Mask for the Options parameter of the USB_Init() function. This indicates that the\r
-                        *  USB interface should be initialized in full speed (12Mb/s) mode.\r
-                        */\r
-                       #define USB_DEVICE_OPT_FULLSPEED               (0 << 0)\r
-                       \r
-               /* Pseudo-Function Macros: */\r
-                       #if defined(__DOXYGEN__)\r
-                               /** Sends a Remote Wakeup request to the host. This signals to the host that the device should\r
-                                *  be taken out of suspended mode, and communications should resume.\r
-                                *\r
-                                *  Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the\r
-                                *  host computer when the host has suspended all USB devices to enter a low power state.\r
-                                *\r
-                                *  \note This macro should only be used if the device has indicated to the host that it\r
-                                *        supports the Remote Wakeup feature in the device descriptors, and should only be\r
-                                *        issued if the host is currently allowing remote wakeup events from the device (i.e.,\r
-                                *        the \ref USB_RemoteWakeupEnabled flag is set). When the NO_DEVICE_REMOTE_WAKEUP compile\r
-                                *        time option is used, this macro is unavailable.\r
-                                *\r
-                                *  \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors.\r
-                                */\r
-                               static inline void USB_Device_SendRemoteWakeup(void);\r
-                               \r
-                               /** Indicates if a Remote Wakeup request is being sent to the host. This returns true if a\r
-                                *  remote wakeup is currently being sent, false otherwise.\r
-                                *\r
-                                *  This can be used in conjunction with the \ref USB_Device_IsUSBSuspended() macro to determine if\r
-                                *  a sent RMWAKEUP request was accepted or rejected by the host.\r
-                                *\r
-                                *  \note This macro should only be used if the device has indicated to the host that it\r
-                                *        supports the Remote Wakeup feature in the device descriptors. When the NO_DEVICE_REMOTE_WAKEUP\r
-                                *        compile time option is used, this macro is unavailable.\r
-                                *\r
-                                *  \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors.\r
-                                *\r
-                                *  \return Boolean true if no Remote Wakeup request is currently being sent, false otherwise\r
-                                */\r
-                               static inline bool USB_Device_IsRemoteWakeupSent(void);\r
-                               \r
-                               /** Indicates if the device is currently suspended by the host. Whilst suspended, the device is\r
-                                *  to enter a low power state until resumed by the host. No USB traffic to or from the device\r
-                                *  can occur (except for Remote Wakeup requests) during suspension by the host.\r
-                                *\r
-                                *  \return Boolean true if the USB communications have been suspended by the host, false otherwise.\r
-                                */\r
-                               static inline bool USB_Device_IsUSBSuspended(void);\r
-                               \r
-                               /** Enables the device mode Start Of Frame events. When enabled, this causes the\r
-                                *  \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus,\r
-                                *  at the start of each USB frame when enumerated in device mode.\r
-                                */\r
-                               static inline bool USB_Device_EnableSOFEvents(void);\r
-                               \r
-                               /** Disables the device mode Start Of Frame events. When disabled, this stop the firing of the\r
-                                *  \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode.\r
-                                */\r
-                               static inline bool USB_Device_DisableSOFEvents(void);\r
-                       #else\r
-                               #if !defined(NO_DEVICE_REMOTE_WAKEUP)\r
-                                       #define USB_Device_SendRemoteWakeup()   MACROS{ UDCON |= (1 << RMWKUP); }MACROE\r
-\r
-                                       #define USB_Device_IsRemoteWakeupSent()       ((UDCON &  (1 << RMWKUP)) ? false : true)\r
-                               #endif\r
-                               \r
-                               #define USB_Device_IsUSBSuspended()           ((UDINT &  (1 << SUSPI)) ? true : false)\r
-                               \r
-                               #define USB_Device_EnableSOFEvents()    MACROS{ USB_INT_Enable(USB_INT_SOFI); }MACROE\r
-\r
-                               #define USB_Device_DisableSOFEvents()   MACROS{ USB_INT_Disable(USB_INT_SOFI); }MACROE\r
-                       #endif\r
-                       \r
-               /* Type Defines: */\r
-                       enum USB_Device_States_t\r
-                       {\r
-                               DEVICE_STATE_Unattached                   = 0, /**< Internally implemented by the library. This state indicates\r
-                                                                               *   that the device is not currently connected to a host.\r
-                                                                               */\r
-                               DEVICE_STATE_Powered                      = 1, /**< Internally implemented by the library. This state indicates\r
-                                                                               *   that the device is connected to a host, but enumeration has not\r
-                                                                               *   yet begun.\r
-                                                                               */\r
-                               DEVICE_STATE_Default                      = 2, /**< Internally implemented by the library. This state indicates\r
-                                                                               *   that the device's USB bus has been reset by the host and it is\r
-                                                                               *   now waiting for the host to begin the enumeration process.\r
-                                                                               */\r
-                               DEVICE_STATE_Addressed                    = 3, /**< Internally implemented by the library. This state indicates\r
-                                                                               *   that the device has been addressed by the USB Host, but is not\r
-                                                                               *   yet configured.\r
-                                                                               */\r
-                               DEVICE_STATE_Configured                   = 4, /**< May be implemented by the user project. This state indicates\r
-                                                                               *   that the device has been enumerated by the host and is ready\r
-                                                                               *   for USB communications to begin.\r
-                                                                               */\r
-                               DEVICE_STATE_Suspended                    = 5, /**< May be implemented by the user project. This state indicates\r
-                                                                               *   that the USB bus has been suspended by the host, and the device\r
-                                                                               *   should power down to a minimal power level until the bus is\r
-                                                                               *   resumed.\r
-                                                                               */\r
-                       };\r
-                       \r
-               /* Function Prototypes: */\r
-                       /** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,\r
-                        *  index and language ID. This function MUST be overridden in the user application (added with full, identical  \r
-                        *  prototype and name so that the library can call it to retrieve descriptor data.\r
-                        *\r
-                        *  \param[in] wValue  The type of the descriptor to retrieve in the upper byte, and the index in the \r
-                        *                     lower byte (when more than one descriptor of the given type exists, such as the\r
-                        *                     case of string descriptors). The type may be one of the standard types defined\r
-                        *                     in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.\r
-                        *  \param[in] wIndex  The language ID of the string to return if the wValue type indicates DTYPE_String,\r
-                        *                     otherwise zero for standard descriptors, or as defined in a class-specific\r
-                        *                     standards.\r
-                        *  \param[out] DescriptorAddress  Pointer to the descriptor in memory. This should be set by the routine to\r
-                        *                                 the address of the descriptor.\r
-                        *  \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory\r
-                        *                                 space in which the descriptor is stored. This parameter does not exist when one\r
-                        *                                 of the USE_*_DESCRIPTORS compile time options is used.\r
-                        *\r
-                        *  \note By default, the library expects all descriptors to be located in flash memory via the PROGMEM attribute.\r
-                        *        If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to\r
-                        *        allow the descriptors to be changed dynamically at runtime) either the USE_RAM_DESCRIPTORS or the \r
-                        *        USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D\r
-                        *        switch.\r
-                        *\r
-                        *  \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise\r
-                        */\r
-                       uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress\r
-                       #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)\r
-                                                           , uint8_t* MemoryAddressSpace\r
-                       #endif                  \r
-                                                           )\r
-                                                                                   ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);\r
-\r
-       /* Private Interface - For use in library only: */\r
-       #if !defined(__DOXYGEN__)\r
-               /* Macros: */           \r
-                       #define USB_Device_SetLowSpeed()        MACROS{ UDCON |=  (1 << LSM);   }MACROE\r
-                       #define USB_Device_SetFullSpeed()       MACROS{ UDCON &= ~(1 << LSM);   }MACROE\r
-       #endif\r
-\r
-#endif\r
-\r
-/** @} */\r
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2010  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.
+*/
+
+/** \file
+ *  \brief USB device mode definitions.
+ *
+ *  This file contains structures, function prototypes and macros related to USB device mode.
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+/** \ingroup Group_USB
+ *  @defgroup Group_Device Device Management
+ *
+ *  USB Device mode related macros and enums. This module contains macros and enums which are used when
+ *  the USB controller is initialized in device mode.
+ *
+ *  @{
+ */
+
+#ifndef __USBDEVICE_H__
+#define __USBDEVICE_H__
+
+       /* Includes: */
+               #include <avr/pgmspace.h>
+               #include <avr/eeprom.h>
+
+               #include "../../../Common/Common.h"     
+               #include "../HighLevel/StdDescriptors.h"
+               #include "Endpoint.h"
+
+       /* Preprocessor Checks: */
+               #if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS))
+                       #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
+               #endif
+
+               #if !defined(__INCLUDE_FROM_USB_DRIVER)
+                       #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+               #endif
+                       
+       /* Public Interface - May be used in end-application: */
+               /* Macros: */
+                       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__)
+                               /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the
+                                *  USB interface should be initialized in low speed (1.5Mb/s) mode.
+                                *
+                                *  \note Low Speed mode is not available on all USB AVR models.
+                                *        \n\n
+                                *
+                                *  \note Restrictions apply on the number, size and type of endpoints which can be used
+                                *        when running in low speed mode -- refer to the USB 2.0 standard.
+                                */
+                               #define USB_DEVICE_OPT_LOWSPEED            (1 << 0)
+                       #endif
+                       
+                       /** Mask for the Options parameter of the USB_Init() function. This indicates that the
+                        *  USB interface should be initialized in full speed (12Mb/s) mode.
+                        */
+                       #define USB_DEVICE_OPT_FULLSPEED               (0 << 0)
+                       
+               /* Pseudo-Function Macros: */
+                       #if defined(__DOXYGEN__)
+                               /** Sends a Remote Wakeup request to the host. This signals to the host that the device should
+                                *  be taken out of suspended mode, and communications should resume.
+                                *
+                                *  Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the
+                                *  host computer when the host has suspended all USB devices to enter a low power state.
+                                *
+                                *  \note This macro should only be used if the device has indicated to the host that it
+                                *        supports the Remote Wakeup feature in the device descriptors, and should only be
+                                *        issued if the host is currently allowing remote wakeup events from the device (i.e.,
+                                *        the \ref USB_RemoteWakeupEnabled flag is set). When the NO_DEVICE_REMOTE_WAKEUP compile
+                                *        time option is used, this macro is unavailable.
+                                *
+                                *  \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors.
+                                */
+                               static inline void USB_Device_SendRemoteWakeup(void);
+                               
+                               /** Indicates if a Remote Wakeup request is being sent to the host. This returns true if a
+                                *  remote wakeup is currently being sent, false otherwise.
+                                *
+                                *  This can be used in conjunction with the \ref USB_Device_IsUSBSuspended() macro to determine if
+                                *  a sent RMWAKEUP request was accepted or rejected by the host.
+                                *
+                                *  \note This macro should only be used if the device has indicated to the host that it
+                                *        supports the Remote Wakeup feature in the device descriptors. When the NO_DEVICE_REMOTE_WAKEUP
+                                *        compile time option is used, this macro is unavailable.
+                                *
+                                *  \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors.
+                                *
+                                *  \return Boolean true if no Remote Wakeup request is currently being sent, false otherwise
+                                */
+                               static inline bool USB_Device_IsRemoteWakeupSent(void);
+                               
+                               /** Indicates if the device is currently suspended by the host. Whilst suspended, the device is
+                                *  to enter a low power state until resumed by the host. No USB traffic to or from the device
+                                *  can occur (except for Remote Wakeup requests) during suspension by the host.
+                                *
+                                *  \return Boolean true if the USB communications have been suspended by the host, false otherwise.
+                                */
+                               static inline bool USB_Device_IsUSBSuspended(void);
+                               
+                               /** Enables the device mode Start Of Frame events. When enabled, this causes the
+                                *  \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus,
+                                *  at the start of each USB frame when enumerated in device mode.
+                                */
+                               static inline bool USB_Device_EnableSOFEvents(void);
+                               
+                               /** Disables the device mode Start Of Frame events. When disabled, this stop the firing of the
+                                *  \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode.
+                                */
+                               static inline bool USB_Device_DisableSOFEvents(void);
+                       #else
+                               #if !defined(NO_DEVICE_REMOTE_WAKEUP)
+                                       #define USB_Device_SendRemoteWakeup()   MACROS{ UDCON |= (1 << RMWKUP); }MACROE
+
+                                       #define USB_Device_IsRemoteWakeupSent()       ((UDCON &  (1 << RMWKUP)) ? false : true)
+                               #endif
+                               
+                               #define USB_Device_IsUSBSuspended()           ((UDINT &  (1 << SUSPI)) ? true : false)
+                               
+                               #define USB_Device_EnableSOFEvents()    MACROS{ USB_INT_Enable(USB_INT_SOFI); }MACROE
+
+                               #define USB_Device_DisableSOFEvents()   MACROS{ USB_INT_Disable(USB_INT_SOFI); }MACROE
+                       #endif
+                       
+               /* Type Defines: */
+                       enum USB_Device_States_t
+                       {
+                               DEVICE_STATE_Unattached                   = 0, /**< Internally implemented by the library. This state indicates
+                                                                               *   that the device is not currently connected to a host.
+                                                                               */
+                               DEVICE_STATE_Powered                      = 1, /**< Internally implemented by the library. This state indicates
+                                                                               *   that the device is connected to a host, but enumeration has not
+                                                                               *   yet begun.
+                                                                               */
+                               DEVICE_STATE_Default                      = 2, /**< Internally implemented by the library. This state indicates
+                                                                               *   that the device's USB bus has been reset by the host and it is
+                                                                               *   now waiting for the host to begin the enumeration process.
+                                                                               */
+                               DEVICE_STATE_Addressed                    = 3, /**< Internally implemented by the library. This state indicates
+                                                                               *   that the device has been addressed by the USB Host, but is not
+                                                                               *   yet configured.
+                                                                               */
+                               DEVICE_STATE_Configured                   = 4, /**< May be implemented by the user project. This state indicates
+                                                                               *   that the device has been enumerated by the host and is ready
+                                                                               *   for USB communications to begin.
+                                                                               */
+                               DEVICE_STATE_Suspended                    = 5, /**< May be implemented by the user project. This state indicates
+                                                                               *   that the USB bus has been suspended by the host, and the device
+                                                                               *   should power down to a minimal power level until the bus is
+                                                                               *   resumed.
+                                                                               */
+                       };
+                       
+               /* Function Prototypes: */
+                       /** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,
+                        *  index and language ID. This function MUST be overridden in the user application (added with full, identical  
+                        *  prototype and name so that the library can call it to retrieve descriptor data.
+                        *
+                        *  \param[in] wValue  The type of the descriptor to retrieve in the upper byte, and the index in the 
+                        *                     lower byte (when more than one descriptor of the given type exists, such as the
+                        *                     case of string descriptors). The type may be one of the standard types defined
+                        *                     in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
+                        *  \param[in] wIndex  The language ID of the string to return if the wValue type indicates DTYPE_String,
+                        *                     otherwise zero for standard descriptors, or as defined in a class-specific
+                        *                     standards.
+                        *  \param[out] DescriptorAddress  Pointer to the descriptor in memory. This should be set by the routine to
+                        *                                 the address of the descriptor.
+                        *  \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
+                        *                                 space in which the descriptor is stored. This parameter does not exist when one
+                        *                                 of the USE_*_DESCRIPTORS compile time options is used.
+                        *
+                        *  \note By default, the library expects all descriptors to be located in flash memory via the PROGMEM attribute.
+                        *        If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
+                        *        allow the descriptors to be changed dynamically at runtime) either the USE_RAM_DESCRIPTORS or the 
+                        *        USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D
+                        *        switch.
+                        *
+                        *  \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise
+                        */
+                       uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress
+                       #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
+                                                           , uint8_t* MemoryAddressSpace
+                       #endif                  
+                                                           )
+                                                                                   ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
+
+       /* Private Interface - For use in library only: */
+       #if !defined(__DOXYGEN__)
+               /* Macros: */           
+                       #define USB_Device_SetLowSpeed()        MACROS{ UDCON |=  (1 << LSM);   }MACROE
+                       #define USB_Device_SetFullSpeed()       MACROS{ UDCON &= ~(1 << LSM);   }MACROE
+       #endif
+
+#endif
+
+/** @} */