fe6b0619f9
The enumeration process for composite and non-composite devices has a lot of duplicate code. Treating the code for composite devices as universal enumeration code can reduce redundant code. Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>
146 lines
5.2 KiB
C
146 lines
5.2 KiB
C
/****************************************************************************
|
|
* drivers/usbdev/composite.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __DRIVERS_USBDEV_COMPOSITE_H
|
|
#define __DRIVERS_USBDEV_COMPOSITE_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
|
|
#include <nuttx/usb/usb.h>
|
|
#include <nuttx/usb/usbdev.h>
|
|
#include <nuttx/usb/usbdev_trace.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_USBDEV_COMPOSITE
|
|
# define NUM_DEVICES_TO_HANDLE (8)
|
|
#else
|
|
# define NUM_DEVICES_TO_HANDLE (1)
|
|
#endif
|
|
|
|
/* These settings are not modifiable via the NuttX configuration */
|
|
|
|
#define COMPOSITE_CONFIGIDNONE (0) /* Config ID = 0 means to return to address mode */
|
|
#define COMPOSITE_CONFIGID (1) /* The only supported configuration ID */
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
struct composite_devobj_s
|
|
{
|
|
/* Device description given by the user code in the dynamic
|
|
* configuration.
|
|
*/
|
|
|
|
struct composite_devdesc_s compdesc;
|
|
|
|
/* Pointer to device class */
|
|
|
|
FAR struct usbdevclass_driver_s *dev;
|
|
};
|
|
|
|
/* This structure describes the internal state of the driver */
|
|
|
|
struct composite_dev_s
|
|
{
|
|
FAR struct usbdev_s *usbdev; /* usbdev driver pointer */
|
|
FAR struct usbdev_req_s *ctrlreq; /* Allocated control request */
|
|
int cfgdescsize; /* Total size of the configuration descriptor: */
|
|
int ninterfaces; /* The total number of interfaces in this composite device */
|
|
uint8_t config; /* Configuration number */
|
|
uint8_t ndevices; /* Num devices in this composite device */
|
|
struct composite_devobj_s device[NUM_DEVICES_TO_HANDLE]; /* Device class object */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_USBDEV_COMPOSITE
|
|
extern const char g_compvendorstr[];
|
|
extern const char g_compproductstr[];
|
|
extern const char g_compserialstr[];
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: composite_mkstrdesc
|
|
*
|
|
* Description:
|
|
* Construct a string descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
int composite_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc);
|
|
|
|
/****************************************************************************
|
|
* Name: composite_getepdesc
|
|
*
|
|
* Description:
|
|
* Return a pointer to the composite device descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR const struct usb_devdesc_s *composite_getdevdesc(void);
|
|
|
|
/****************************************************************************
|
|
* Name: composite_mkcfgdesc
|
|
*
|
|
* Description:
|
|
* Construct the composite configuration descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_USBDEV_DUALSPEED
|
|
int16_t composite_mkcfgdesc(FAR struct composite_dev_s *priv,
|
|
FAR uint8_t *buf, uint8_t speed, uint8_t type);
|
|
#else
|
|
int16_t composite_mkcfgdesc(FAR struct composite_dev_s *priv,
|
|
FAR uint8_t *buf);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: composite_getqualdesc
|
|
*
|
|
* Description:
|
|
* Return a pointer to the composite qual descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_USBDEV_DUALSPEED
|
|
FAR const struct usb_qualdesc_s *composite_getqualdesc(void);
|
|
#endif
|
|
|
|
#endif /* __DRIVERS_USBDEV_COMPOSITE_H */
|