351 lines
12 KiB
C
351 lines
12 KiB
C
/****************************************************************************
|
|
* drivers/usbdev/cdcacm.h
|
|
*
|
|
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __DRIVERS_USBDEV_CDCACM_H
|
|
#define __DRIVERS_USBDEV_CDCACM_H 1
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <nuttx/usb/usbdev.h>
|
|
#include <nuttx/usb/cdc.h>
|
|
#include <nuttx/usb/usbdev_trace.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
/* Configuration ************************************************************/
|
|
/* If the serial device is configured as part of a composite device than both
|
|
* CONFIG_USBDEV_COMPOSITE and CONFIG_CDCACM_COMPOSITE must be defined.
|
|
*/
|
|
|
|
#ifndef CONFIG_USBDEV_COMPOSITE
|
|
# undef CONFIG_CDCACM_COMPOSITE
|
|
#endif
|
|
|
|
#if defined(CONFIG_CDCACM_COMPOSITE) && !defined(CONFIG_CDCACM_STRBASE)
|
|
# define CONFIG_CDCACM_STRBASE (4)
|
|
#endif
|
|
|
|
#if defined(CONFIG_CDCACM_COMPOSITE) && !defined(CONFIG_COMPOSITE_IAD)
|
|
# warning "CONFIG_COMPOSITE_IAD may be needed"
|
|
#endif
|
|
|
|
/* Packet and request buffer sizes */
|
|
|
|
#ifndef CONFIG_CDCACM_COMPOSITE
|
|
# ifndef CONFIG_CDCACM_EP0MAXPACKET
|
|
# define CONFIG_CDCACM_EP0MAXPACKET 64
|
|
# endif
|
|
#endif
|
|
|
|
/* Interface IDs. If the serial driver is built as a component of a composite
|
|
* device, then the interface IDs may need to be offset.
|
|
*/
|
|
|
|
#ifndef CONFIG_CDCACM_COMPOSITE
|
|
# undef CONFIG_CDCACM_IFNOBASE
|
|
# define CONFIG_CDCACM_IFNOBASE 0
|
|
#endif
|
|
|
|
#ifndef CONFIG_CDCACM_IFNOBASE
|
|
# define CONFIG_CDCACM_IFNOBASE 0
|
|
#endif
|
|
|
|
/* Descriptors **************************************************************/
|
|
/* These settings are not modifiable via the NuttX configuration */
|
|
|
|
#define CDC_VERSIONNO 0x0110 /* CDC version number 1.10 (BCD) */
|
|
#define CDCACM_CONFIGIDNONE (0) /* Config ID means to return to address mode */
|
|
|
|
/* Interface IDs:
|
|
*
|
|
* CDCACM_NINTERFACES Two interfaces
|
|
* CDCACM_NOTIFID ID of the notifier interface
|
|
* CDCACM_NOTALTIFID No alternate for the notifier interface
|
|
* CDCACM_DATAIFID ID of the data interface
|
|
* CDCACM_DATAALTIFID No alternate for the data interface
|
|
*/
|
|
|
|
#define CDCACM_NINTERFACES (2) /* Number of interfaces in the configuration */
|
|
#define CDCACM_NOTIFID (CONFIG_CDCACM_IFNOBASE+0)
|
|
#define CDCACM_NOTALTIFID (0)
|
|
#define CDCACM_DATAIFID (CONFIG_CDCACM_IFNOBASE+1)
|
|
#define CDCACM_DATAALTIFID (0)
|
|
|
|
/* Configuration descriptor values */
|
|
|
|
#define CDCACM_CONFIGID (1) /* The only supported configuration ID */
|
|
|
|
/* Buffer big enough for any of our descriptors (the config descriptor is the
|
|
* biggest).
|
|
*/
|
|
|
|
#define CDCACM_MXDESCLEN (64)
|
|
|
|
/* Device descriptor values */
|
|
|
|
#define CDCACM_VERSIONNO (0x0101) /* Device version number 1.1 (BCD) */
|
|
#define CDCACM_NCONFIGS (1) /* Number of configurations supported */
|
|
|
|
/* String language */
|
|
|
|
#define CDCACM_STR_LANGUAGE (0x0409) /* en-us */
|
|
|
|
/* Descriptor strings. If there serial device is part of a composite device
|
|
* then the manufacturer, product, and serial number strings will be provided
|
|
* by the composite logic.
|
|
*/
|
|
|
|
#ifndef CONFIG_CDCACM_COMPOSITE
|
|
# define CDCACM_MANUFACTURERSTRID (1)
|
|
# define CDCACM_PRODUCTSTRID (2)
|
|
# define CDCACM_SERIALSTRID (3)
|
|
# define CDCACM_CONFIGSTRID (4)
|
|
|
|
# define CDCACM_LASTBASESTRID (4)
|
|
# undef CONFIG_CDCACM_STRBASE
|
|
# define CONFIG_CDCACM_STRBASE (0)
|
|
#else
|
|
# define CDCACM_LASTBASESTRID CONFIG_CDCACM_STRBASE
|
|
#endif
|
|
|
|
/* These string IDs only exist if a user-defined string is provided */
|
|
|
|
#ifdef CONFIG_CDCACM_NOTIFSTR
|
|
# define CDCACM_NOTIFSTRID (CDCACM_LASTBASESTRID+1)
|
|
#else
|
|
# define CDCACM_NOTIFSTRID CDCACM_LASTBASESTRID
|
|
#endif
|
|
|
|
#ifdef CONFIG_CDCACM_DATAIFSTR
|
|
# define CDCACM_DATAIFSTRID (CDCACM_NOTIFSTRID+1)
|
|
#else
|
|
# define CDCACM_DATAIFSTRID CDCACM_NOTIFSTRID
|
|
#endif
|
|
|
|
#define CDCACM_LASTSTRID CDCACM_DATAIFSTRID
|
|
#define CDCACM_NSTRIDS (CDCACM_LASTSTRID - CONFIG_CDCACM_STRBASE)
|
|
|
|
/* Configuration descriptor size */
|
|
|
|
#if !defined(CONFIG_CDCACM_COMPOSITE)
|
|
|
|
/* Number of individual descriptors in the configuration descriptor:
|
|
* Configuration descriptor + (2) interface descriptors + (3) endpoint
|
|
* descriptors + (3) ACM descriptors.
|
|
*/
|
|
|
|
# define CDCACM_CFGGROUP_SIZE (9)
|
|
|
|
/* The size of the config descriptor: (9 + 2*9 + 3*7 + 4 + 5 + 5) = 62 */
|
|
|
|
# define SIZEOF_CDCACM_CFGDESC \
|
|
(USB_SIZEOF_CFGDESC + 2*USB_SIZEOF_IFDESC + 3*USB_SIZEOF_EPDESC + \
|
|
SIZEOF_ACM_FUNCDESC + SIZEOF_HDR_FUNCDESC + SIZEOF_UNION_FUNCDESC(1))
|
|
|
|
#elif defined(CONFIG_COMPOSITE_IAD)
|
|
|
|
/* Number of individual descriptors in the configuration descriptor:
|
|
* (1) interface association descriptor + (2) interface descriptors +
|
|
* (3) endpoint descriptors + (3) ACM descriptors.
|
|
*/
|
|
|
|
# define CDCACM_CFGGROUP_SIZE (9)
|
|
|
|
/* The size of the config descriptor: (8 + 2*9 + 3*7 + 4 + 5 + 5) = 61 */
|
|
|
|
# define SIZEOF_CDCACM_CFGDESC \
|
|
(USB_SIZEOF_IADDESC +2*USB_SIZEOF_IFDESC + 3*USB_SIZEOF_EPDESC + \
|
|
SIZEOF_ACM_FUNCDESC + SIZEOF_HDR_FUNCDESC + SIZEOF_UNION_FUNCDESC(1))
|
|
|
|
#else
|
|
|
|
/* Number of individual descriptors in the configuration descriptor:
|
|
* (2) interface descriptors + (3) endpoint descriptors + (3) ACM descriptors.
|
|
*/
|
|
|
|
# define CDCACM_CFGGROUP_SIZE (8)
|
|
|
|
/* The size of the config descriptor: (2*9 + 3*7 + 4 + 5 + 5) = 53 */
|
|
|
|
# define SIZEOF_CDCACM_CFGDESC \
|
|
(2*USB_SIZEOF_IFDESC + 3*USB_SIZEOF_EPDESC + SIZEOF_ACM_FUNCDESC + \
|
|
SIZEOF_HDR_FUNCDESC + SIZEOF_UNION_FUNCDESC(1))
|
|
#endif
|
|
|
|
/* Endpoint configuration ****************************************************/
|
|
|
|
#define CDCACM_EPINTIN_ADDR (USB_DIR_IN|CONFIG_CDCACM_EPINTIN)
|
|
#define CDCACM_EPINTIN_ATTR (USB_EP_ATTR_XFER_INT)
|
|
|
|
#define CDCACM_EPOUTBULK_ADDR (CONFIG_CDCACM_EPBULKOUT)
|
|
#define CDCACM_EPOUTBULK_ATTR (USB_EP_ATTR_XFER_BULK)
|
|
|
|
#define CDCACM_EPINBULK_ADDR (USB_DIR_IN|CONFIG_CDCACM_EPBULKIN)
|
|
#define CDCACM_EPINBULK_ATTR (USB_EP_ATTR_XFER_BULK)
|
|
|
|
/* Device driver definitions ************************************************/
|
|
/* A CDC/ACM device is specific by a minor number in the range of 0-255.
|
|
* This maps to a character device at /dev/ttyACMx, x=0..255.
|
|
*/
|
|
|
|
#define CDCACM_DEVNAME_FORMAT "/dev/ttyACM%d"
|
|
#define CDCACM_DEVNAME_SIZE 16
|
|
|
|
/* Misc Macros **************************************************************/
|
|
/* MIN/MAX macros */
|
|
|
|
#ifndef MIN
|
|
# define MIN(a,b) ((a)<(b)?(a):(b))
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
# define MAX(a,b) ((a)>(b)?(a):(b))
|
|
#endif
|
|
|
|
/* Trace values *************************************************************/
|
|
|
|
#define CDCACM_CLASSAPI_SETUP TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SETUP)
|
|
#define CDCACM_CLASSAPI_SHUTDOWN TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SHUTDOWN)
|
|
#define CDCACM_CLASSAPI_ATTACH TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_ATTACH)
|
|
#define CDCACM_CLASSAPI_DETACH TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_DETACH)
|
|
#define CDCACM_CLASSAPI_IOCTL TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_IOCTL)
|
|
#define CDCACM_CLASSAPI_RECEIVE TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RECEIVE)
|
|
#define CDCACM_CLASSAPI_RXINT TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RXINT)
|
|
#define CDCACM_CLASSAPI_RXAVAILABLE TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RXAVAILABLE)
|
|
#define CDCACM_CLASSAPI_SEND TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SEND)
|
|
#define CDCACM_CLASSAPI_TXINT TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXINT)
|
|
#define CDCACM_CLASSAPI_TXREADY TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXREADY)
|
|
#define CDCACM_CLASSAPI_TXEMPTY TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXEMPTY)
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
enum cdcacm_epdesc_e
|
|
{
|
|
CDCACM_EPINTIN = 0, /* Interrupt IN endpoint descriptor */
|
|
CDCACM_EPBULKOUT, /* Bulk OUT endpoint descriptor */
|
|
CDCACM_EPBULKIN /* Bulk IN endpoint descriptor */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: cdcacm_mkstrdesc
|
|
*
|
|
* Description:
|
|
* Construct a string descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
int cdcacm_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc);
|
|
|
|
/****************************************************************************
|
|
* Name: cdcacm_getepdesc
|
|
*
|
|
* Description:
|
|
* Return a pointer to the raw device descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef CONFIG_CDCACM_COMPOSITE
|
|
FAR const struct usb_devdesc_s *cdcacm_getdevdesc(void);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: cdcacm_getepdesc
|
|
*
|
|
* Description:
|
|
* Return a pointer to the raw endpoint descriptor (used for configuring
|
|
* endpoints)
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR const struct usb_epdesc_s *cdcacm_getepdesc(enum cdcacm_epdesc_e epid);
|
|
|
|
/****************************************************************************
|
|
* Name: cdcacm_mkepdesc
|
|
*
|
|
* Description:
|
|
* Construct the endpoint descriptor using the correct max packet size.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_USBDEV_DUALSPEED
|
|
void cdcacm_mkepdesc(enum cdcacm_epdesc_e epid,
|
|
uint16_t mxpacket, FAR struct usb_epdesc_s *outdesc);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: cdcacm_mkcfgdesc
|
|
*
|
|
* Description:
|
|
* Construct the configuration descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_USBDEV_DUALSPEED
|
|
int16_t cdcacm_mkcfgdesc(FAR uint8_t *buf, uint8_t speed, uint8_t type);
|
|
#else
|
|
int16_t cdcacm_mkcfgdesc(FAR uint8_t *buf);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: cdcacm_getqualdesc
|
|
*
|
|
* Description:
|
|
* Return a pointer to the raw qual descriptor
|
|
*
|
|
****************************************************************************/
|
|
|
|
#if !defined(CONFIG_CDCACM_COMPOSITE) && defined(CONFIG_USBDEV_DUALSPEED)
|
|
FAR const struct usb_qualdesc_s *cdcacm_getqualdesc(void);
|
|
#endif
|
|
|
|
#endif /* __DRIVERS_USBDEV_CDCACM_H */
|