159 righe
6.2 KiB
C
159 righe
6.2 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2014.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2014 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 disclaims 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 standard request management.
|
|
*
|
|
* This file contains the function prototypes necessary for the processing of incoming standard control requests
|
|
* when the library is in 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.
|
|
*/
|
|
|
|
#ifndef __DEVICESTDREQ_H__
|
|
#define __DEVICESTDREQ_H__
|
|
|
|
/* Includes: */
|
|
#include "../../../Common/Common.h"
|
|
#include "USBMode.h"
|
|
#include "StdDescriptors.h"
|
|
#include "Events.h"
|
|
#include "StdRequestType.h"
|
|
#include "USBTask.h"
|
|
#include "USBController.h"
|
|
|
|
/* Enable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Preprocessor Checks: */
|
|
#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: */
|
|
/* Enums: */
|
|
#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) || defined(__DOXYGEN__)
|
|
/** Enum for the possible descriptor memory spaces, for the \c MemoryAddressSpace parameter of the
|
|
* \ref CALLBACK_USB_GetDescriptor() function. This can be used when none of the \c USE_*_DESCRIPTORS
|
|
* compile time options are used, to indicate in which memory space the descriptor is stored.
|
|
*
|
|
* \ingroup Group_Device
|
|
*/
|
|
enum USB_DescriptorMemorySpaces_t
|
|
{
|
|
#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE) || defined(__DOXYGEN__)
|
|
MEMSPACE_FLASH = 0, /**< Indicates the requested descriptor is located in FLASH memory. */
|
|
#endif
|
|
#if defined(ARCH_HAS_EEPROM_ADDRESS_SPACE) || defined(__DOXYGEN__)
|
|
MEMSPACE_EEPROM = 1, /**< Indicates the requested descriptor is located in EEPROM memory. */
|
|
#endif
|
|
MEMSPACE_RAM = 2, /**< Indicates the requested descriptor is located in RAM memory. */
|
|
};
|
|
#endif
|
|
|
|
/* Global Variables: */
|
|
/** Indicates the currently set configuration number of the device. USB devices may have several
|
|
* different configurations which the host can select between; this indicates the currently selected
|
|
* value, or 0 if no configuration has been selected.
|
|
*
|
|
* \attention This variable should be treated as read-only in the user application, and never manually
|
|
* changed in value.
|
|
*
|
|
* \ingroup Group_Device
|
|
*/
|
|
extern uint8_t USB_Device_ConfigurationNumber;
|
|
|
|
#if !defined(NO_DEVICE_REMOTE_WAKEUP)
|
|
/** Indicates if the host is currently allowing the device to issue remote wakeup events. If this
|
|
* flag is cleared, the device should not issue remote wakeup events to the host.
|
|
*
|
|
* \attention This variable should be treated as read-only in the user application, and never manually
|
|
* changed in value.
|
|
*
|
|
* \note To reduce FLASH usage of the compiled applications where Remote Wakeup is not supported,
|
|
* this global and the underlying management code can be disabled by defining the
|
|
* \c NO_DEVICE_REMOTE_WAKEUP token in the project makefile and passing it to the compiler via
|
|
* the -D switch.
|
|
*
|
|
* \ingroup Group_Device
|
|
*/
|
|
extern bool USB_Device_RemoteWakeupEnabled;
|
|
#endif
|
|
|
|
#if !defined(NO_DEVICE_SELF_POWER)
|
|
/** Indicates if the device is currently being powered by its own power supply, rather than being
|
|
* powered by the host's USB supply. This flag should remain cleared if the device does not
|
|
* support self powered mode, as indicated in the device descriptors.
|
|
*
|
|
* \ingroup Group_Device
|
|
*/
|
|
extern bool USB_Device_CurrentlySelfPowered;
|
|
#endif
|
|
|
|
/* Private Interface - For use in library only: */
|
|
#if !defined(__DOXYGEN__)
|
|
#if defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)
|
|
#error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
|
|
#elif defined(USE_RAM_DESCRIPTORS) && defined(USE_FLASH_DESCRIPTORS)
|
|
#error USE_RAM_DESCRIPTORS and USE_FLASH_DESCRIPTORS are mutually exclusive.
|
|
#elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)
|
|
#error USE_FLASH_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
|
|
#elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS) && defined(USE_RAM_DESCRIPTORS)
|
|
#error Only one of the USE_*_DESCRIPTORS modes should be selected.
|
|
#endif
|
|
|
|
/* Function Prototypes: */
|
|
void USB_Device_ProcessControlRequest(void);
|
|
|
|
#if defined(__INCLUDE_FROM_DEVICESTDREQ_C)
|
|
static void USB_Device_SetAddress(void);
|
|
static void USB_Device_SetConfiguration(void);
|
|
static void USB_Device_GetConfiguration(void);
|
|
static void USB_Device_GetDescriptor(void);
|
|
static void USB_Device_GetStatus(void);
|
|
static void USB_Device_ClearSetFeature(void);
|
|
|
|
#if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
|
|
static void USB_Device_GetInternalSerialDescriptor(void);
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
/* Disable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|