Add host mode USB Class driver stubs, add beginnings of a CDC host class driver.
Split out common defines/types from class drivers into a seperate common class driver directory. Make central USB Class driver dispatch headers, used for both device and host modes.
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Dean Camera
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97 changed files with 2694 additions and 1205 deletions
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@ -28,25 +28,21 @@
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this software.
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*/
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/** \ingroup Group_USBDeviceClassDrivers
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* @defgroup Group_USBClassCDCDevice CDC Device Class Driver - LUFA/Drivers/Class/Device/CDC.h
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*
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* \section Sec_Dependencies Module Source Dependencies
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* The following files must be built with any user project that uses this module:
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* - LUFA/Drivers/USB/Class/Device/CDC.c
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/** \ingroup Group_USBClassCDC
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* @defgroup Group_USBClassCDCDevice CDC Class Device Mode Driver
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*
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* \section Module Description
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* Functions, macros, variables, enums and types related to the management of USB CDC Class interfaces
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* within a USB device, for the implementation of CDC-ACM virtual serial ports.
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* Device Mode USB Class driver framework interface, for the CDC USB Class driver.
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*
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* @{
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*/
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#ifndef _CDC_CLASS_H_
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#define _CDC_CLASS_H_
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#ifndef _CDC_CLASS_DEVICE_H_
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#define _CDC_CLASS_DEVICE_H_
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/* Includes: */
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#include "../../USB.h"
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#include "../Common/CDC.h"
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#include <string.h>
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@ -55,137 +51,8 @@
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extern "C" {
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#endif
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/* Macros: */
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/** CDC Class specific request to get the current virtual serial port configuration settings. */
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#define REQ_GetLineEncoding 0x21
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/** CDC Class specific request to set the current virtual serial port configuration settings. */
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#define REQ_SetLineEncoding 0x20
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/** CDC Class specific request to set the current virtual serial port handshake line states. */
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#define REQ_SetControlLineState 0x22
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/** Notification type constant for a change in the virtual serial port handshake line states, for
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* use with a USB_Notification_Header_t notification structure when sent to the host via the CDC
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* notification endpoint.
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*/
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#define NOTIF_SerialState 0x20
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/** Mask for the DTR handshake line for use with the REQ_SetControlLineState class specific request
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* from the host, to indicate that the DTR line state should be high.
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*/
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#define CDC_CONTROL_LINE_OUT_DTR (1 << 0)
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/** Mask for the RTS handshake line for use with the REQ_SetControlLineState class specific request
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* from the host, to indicate that theRTS line state should be high.
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*/
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#define CDC_CONTROL_LINE_OUT_RTS (1 << 1)
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/** Mask for the DCD handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the DCD line state is currently high.
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*/
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#define CDC_CONTROL_LINE_IN_DCD (1 << 0)
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/** Mask for the DSR handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the DSR line state is currently high.
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*/
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#define CDC_CONTROL_LINE_IN_DSR (1 << 1)
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/** Mask for the BREAK handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the BREAK line state is currently high.
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*/
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#define CDC_CONTROL_LINE_IN_BREAK (1 << 2)
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/** Mask for the RING handshake line for use with the a NOTIF_SerialState class specific notification
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* from the device to the host, to indicate that the RING line state is currently high.
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*/
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#define CDC_CONTROL_LINE_IN_RING (1 << 3)
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/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
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* to indicate that a framing error has occurred on the virtual serial port.
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*/
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#define CDC_CONTROL_LINE_IN_FRAMEERROR (1 << 4)
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/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
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* to indicate that a parity error has occurred on the virtual serial port.
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*/
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#define CDC_CONTROL_LINE_IN_PARITYERROR (1 << 5)
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/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
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* to indicate that a data overrun error has occurred on the virtual serial port.
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*/
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#define CDC_CONTROL_LINE_IN_OVERRUNERROR (1 << 6)
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/** Macro to define a CDC class-specific functional descriptor. CDC functional descriptors have a
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* uniform structure but variable sized data payloads, thus cannot be represented accurately by
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* a single typedef struct. A macro is used instead so that functional descriptors can be created
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* easily by specifying the size of the payload. This allows sizeof() to work correctly.
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*
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* \param DataSize Size in bytes of the CDC functional descriptor's data payload
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*/
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#define CDC_FUNCTIONAL_DESCRIPTOR(DataSize) \
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struct \
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{ \
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USB_Descriptor_Header_t Header; \
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uint8_t SubType; \
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uint8_t Data[DataSize]; \
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}
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/* Enums: */
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/** Enum for the possible line encoding formats of a virtual serial port. */
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enum CDCDevice_CDC_LineCodingFormats_t
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{
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CDC_LINEENCODING_OneStopBit = 0, /**< Each frame contains one stop bit */
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CDC_LINEENCODING_OneAndAHalfStopBits = 1, /**< Each frame contains one and a half stop bits */
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CDC_LINEENCODING_TwoStopBits = 2, /**< Each frame contains two stop bits */
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};
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/** Enum for the possible line encoding parity settings of a virtual serial port. */
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enum CDCDevice_LineCodingParity_t
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{
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CDC_PARITY_None = 0, /**< No parity bit mode on each frame */
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CDC_PARITY_Odd = 1, /**< Odd parity bit mode on each frame */
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CDC_PARITY_Even = 2, /**< Even parity bit mode on each frame */
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CDC_PARITY_Mark = 3, /**< Mark parity bit mode on each frame */
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CDC_PARITY_Space = 4, /**< Space parity bit mode on each frame */
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};
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/* Type Defines: */
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/** Class state structure. An instance of this structure should be made for each CDC interface
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* within the user application, and passed to each of the CDC class driver functions as the
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* CDCInterfaceInfo parameter. The contents of this structure should be set to their correct
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* values when used, or ommitted to force the library to use default values.
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*/
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typedef struct
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{
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uint8_t ControlInterfaceNumber; /**< Interface number of the CDC control interface within the device */
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uint8_t DataINEndpointNumber; /**< Endpoint number of the CDC interface's IN data endpoint */
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uint16_t DataINEndpointSize; /**< Size in bytes of the CDC interface's IN data endpoint */
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uint8_t DataOUTEndpointNumber; /**< Endpoint number of the CDC interface's OUT data endpoint */
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uint16_t DataOUTEndpointSize; /**< Size in bytes of the CDC interface's OUT data endpoint */
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uint8_t NotificationEndpointNumber; /**< Endpoint number of the CDC interface's IN notification endpoint, if used */
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uint16_t NotificationEndpointSize; /**< Size in bytes of the CDC interface's IN notification endpoint, if used */
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uint8_t ControlLineState; /**< Current control line states, as set by the host */
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struct
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{
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uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
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uint8_t CharFormat; /**< Character format of the virtual serial port, a value from the
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* CDCDevice_CDC_LineCodingFormats_t enum
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*/
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uint8_t ParityType; /**< Parity setting of the virtual serial port, a value from the
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* CDCDevice_LineCodingParity_t enum
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*/
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uint8_t DataBits; /**< Bits of data per character of the virtual serial port */
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} LineEncoding;
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} USB_ClassInfo_CDC_t;
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/* Function Prototypes: */
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#if defined(INCLUDE_FROM_CDC_CLASS_C)
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#if defined(INCLUDE_FROM_CDC_CLASS_DEVICE_C)
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void CDC_Device_Event_Stub(void);
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void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_t* CDCInterfaceInfo)
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ATTR_WEAK ATTR_ALIAS(CDC_Device_Event_Stub);
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