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Diffstat (limited to 'LUFA/Drivers/USB/HighLevel/StdRequestType.h')
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/StdRequestType.h | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/StdRequestType.h b/LUFA/Drivers/USB/HighLevel/StdRequestType.h new file mode 100644 index 0000000..7c18ead --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/StdRequestType.h @@ -0,0 +1,247 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ 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 control endpoint request definitions.
+ *
+ * This file contains structures and macros for the easy creation and parsing of standard USB control requests.
+ *
+ * \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_StdRequest Standard USB Requests
+ *
+ * This module contains definitions for the various control request parameters, so that the request
+ * details (such as data direction, request recipient, etc.) can be extracted via masking.
+ *
+ * @{
+ */
+
+#ifndef __STDREQTYPE_H__
+#define __STDREQTYPE_H__
+
+ /* Includes: */
+ #include <stdint.h>
+
+ /* 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: */
+ /* Macros: */
+ /** Mask for the request type parameter, to indicate the direction of the request data (Host to Device
+ * or Device to Host). The result of this mask should then be compared to the request direction masks.
+ *
+ * \see REQDIR_* macros for masks indicating the request data direction.
+ */
+ #define CONTROL_REQTYPE_DIRECTION 0x80
+
+ /** Mask for the request type parameter, to indicate the type of request (Device, Class or Vendor
+ * Specific). The result of this mask should then be compared to the request type masks.
+ *
+ * \see REQTYPE_* macros for masks indicating the request type.
+ */
+ #define CONTROL_REQTYPE_TYPE 0x60
+
+ /** Mask for the request type parameter, to indicate the recipient of the request (Standard, Class
+ * or Vendor Specific). The result of this mask should then be compared to the request recipient
+ * masks.
+ *
+ * \see REQREC_* macros for masks indicating the request recipient.
+ */
+ #define CONTROL_REQTYPE_RECIPIENT 0x1F
+
+ /** \name Control Request Data Direction Masks */
+ //@{
+ /** Request data direction mask, indicating that the request data will flow from host to device.
+ *
+ * \see \ref CONTROL_REQTYPE_DIRECTION macro.
+ */
+ #define REQDIR_HOSTTODEVICE (0 << 7)
+
+ /** Request data direction mask, indicating that the request data will flow from device to host.
+ *
+ * \see \ref CONTROL_REQTYPE_DIRECTION macro.
+ */
+ #define REQDIR_DEVICETOHOST (1 << 7)
+ //@}
+
+ /** \name Control Request Type Masks */
+ //@{
+ /** Request type mask, indicating that the request is a standard request.
+ *
+ * \see \ref CONTROL_REQTYPE_TYPE macro.
+ */
+ #define REQTYPE_STANDARD (0 << 5)
+
+ /** Request type mask, indicating that the request is a class-specific request.
+ *
+ * \see \ref CONTROL_REQTYPE_TYPE macro.
+ */
+ #define REQTYPE_CLASS (1 << 5)
+
+ /** Request type mask, indicating that the request is a vendor specific request.
+ *
+ * \see \ref CONTROL_REQTYPE_TYPE macro.
+ */
+ #define REQTYPE_VENDOR (2 << 5)
+ //@}
+
+ /** \name Control Request Recipient Masks */
+ //@{
+ /** Request recipient mask, indicating that the request is to be issued to the device as a whole.
+ *
+ * \see \ref CONTROL_REQTYPE_RECIPIENT macro.
+ */
+ #define REQREC_DEVICE (0 << 0)
+
+ /** Request recipient mask, indicating that the request is to be issued to an interface in the
+ * currently selected configuration.
+ *
+ * \see \ref CONTROL_REQTYPE_RECIPIENT macro.
+ */
+ #define REQREC_INTERFACE (1 << 0)
+
+ /** Request recipient mask, indicating that the request is to be issued to an endpoint in the
+ * currently selected configuration.
+ *
+ * \see \ref CONTROL_REQTYPE_RECIPIENT macro.
+ */
+ #define REQREC_ENDPOINT (2 << 0)
+
+ /** Request recipient mask, indicating that the request is to be issued to an unspecified element
+ * in the currently selected configuration.
+ *
+ * \see \ref CONTROL_REQTYPE_RECIPIENT macro.
+ */
+ #define REQREC_OTHER (3 << 0)
+ //@}
+
+ /* Type Defines: */
+ /** \brief Standard USB Control Request
+ *
+ * Type define for a standard USB control request.
+ *
+ * \see The USB 2.0 specification for more information on standard control requests.
+ */
+ typedef struct
+ {
+ uint8_t bmRequestType; /**< Type of the request. */
+ uint8_t bRequest; /**< Request command code. */
+ uint16_t wValue; /**< wValue parameter of the request. */
+ uint16_t wIndex; /**< wIndex parameter of the request. */
+ uint16_t wLength; /**< Length of the data to transfer in bytes. */
+ } USB_Request_Header_t;
+
+ /* Enums: */
+ /** Enumeration for the various standard request commands. These commands are applicable when the
+ * request type is \ref REQTYPE_STANDARD (with the exception of \ref REQ_GetDescriptor, which is always
+ * handled regardless of the request type value).
+ *
+ * \see Chapter 9 of the USB 2.0 Specification.
+ */
+ enum USB_Control_Request_t
+ {
+ REQ_GetStatus = 0, /**< Implemented in the library for device, endpoint and interface
+ * recipients. Passed to the user application for other recipients
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_ClearFeature = 1, /**< Implemented in the library for device, endpoint and interface
+ * recipients. Passed to the user application for other recipients
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_SetFeature = 3, /**< Implemented in the library for device, endpoint and interface
+ * recipients. Passed to the user application for other recipients
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_SetAddress = 5, /**< Implemented in the library for the device recipient. Passed
+ * to the user application for other recipients via the
+ * \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_GetDescriptor = 6, /**< Implemented in the library for device and interface recipients. Passed to the
+ * user application for other recipients via the
+ * \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_SetDescriptor = 7, /**< Not implemented in the library, passed to the user application
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_GetConfiguration = 8, /**< Implemented in the library for the device recipient. Passed
+ * to the user application for other recipients via the
+ * \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_SetConfiguration = 9, /**< Implemented in the library for the device recipient. Passed
+ * to the user application for other recipients via the
+ * \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_GetInterface = 10, /**< Not implemented in the library, passed to the user application
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_SetInterface = 11, /**< Not implemented in the library, passed to the user application
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ REQ_SynchFrame = 12, /**< Not implemented in the library, passed to the user application
+ * via the \ref EVENT_USB_Device_ControlRequest() event when received in
+ * device mode. */
+ };
+
+ /** Feature Selector values for Set Feature and Clear Feature standard control requests directed to the device, interface
+ * and endpoint recipients.
+ */
+ enum USB_Feature_Selectors_t
+ {
+ FEATURE_SEL_EndpointHalt = 0x00, /**< Feature selector for Clear Feature or Set Feature commands. When
+ * used in a Set Feature or Clear Feature request this indicates that an
+ * endpoint (whose address is given elsewhere in the request should have
+ * its stall condition changed.
+ */
+ FEATURE_SEL_DeviceRemoteWakeup = 0x01, /**< Feature selector for Device level Remote Wakeup enable set or clear.
+ * This feature can be controlled by the host on devices which indicate
+ * remote wakeup support in their descriptors to selectively disable or
+ * enable remote wakeup.
+ */
+ FEATURE_SEL_TestMode = 0x02, /**< Feature selector for Test Mode features, used to test the USB controller
+ * to check for incorrect operation.
+ */
+ };
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Macros: */
+ #define FEATURE_SELFPOWERED_ENABLED (1 << 0)
+ #define FEATURE_REMOTE_WAKEUP_ENABLED (1 << 1)
+ #endif
+
+#endif
+
+/** @} */
+
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