5b9d73ed52
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4332 42af7a65-404d-4744-a932-0658087f49c3
319 lines
11 KiB
C
319 lines
11 KiB
C
/****************************************************************************
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* drivers/usbdev/cdcacm.h
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*
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* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_USBDEV_CDCACM_H
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#define __DRIVERS_USBDEV_CDCACM_H 1
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <nuttx/usb/usbdev.h>
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#include <nuttx/usb/cdc.h>
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#include <nuttx/usb/usbdev_trace.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* If the serial device is configured as part of a composite device than both
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* CONFIG_USBDEV_COMPOSITE and CONFIG_CDCSER_COMPOSITE must be defined.
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*/
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#ifndef CONFIG_USBDEV_COMPOSITE
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# undef CONFIG_CDCSER_COMPOSITE
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#endif
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#if defined(CONFIG_CDCSER_COMPOSITE) && !defined(CONFIG_CDCSER_STRBASE)
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# define CONFIG_CDCSER_STRBASE (4)
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#endif
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/* Packet and request buffer sizes */
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#ifndef CONFIG_CDCSER_COMPOSITE
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# ifndef CONFIG_CDCSER_EP0MAXPACKET
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# define CONFIG_CDCSER_EP0MAXPACKET 64
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# endif
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#endif
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/* Interface IDs. If the serial driver is built as a component of a composite
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* device, then the interface IDs may need to be offset.
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*/
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#ifndef CONFIG_CDCSER_COMPOSITE
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# undef CONFIG_CDCSER_IFNOBASE
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# define CONFIG_CDCSER_IFNOBASE 0
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#endif
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#ifndef CONFIG_CDCSER_IFNOBASE
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# define CONFIG_CDCSER_IFNOBASE 0
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#endif
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/* Descriptors **************************************************************/
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/* These settings are not modifiable via the NuttX configuration */
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#define CDC_VERSIONNO 0x0110 /* CDC version number 1.10 (BCD) */
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#define CDCSER_CONFIGIDNONE (0) /* Config ID means to return to address mode */
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/* Interface IDs:
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*
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* CDCSER_NINTERFACES Two interfaces
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* CDCSER_NOTIFID ID of the notifier interface
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* CDCSER_NOTALTIFID No alternate for the notifier interface
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* CDCSER_DATAIFID ID of the data interface
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* CDCSER_DATAALTIFID No alternate for the data interface
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*/
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#define CDCSER_NINTERFACES (2) /* Number of interfaces in the configuration */
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#define CDCSER_NOTIFID (CONFIG_CDCSER_IFNOBASE+0)
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#define CDCSER_NOTALTIFID CDCSER_NOTIFID
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#define CDCSER_DATAIFID (CONFIG_CDCSER_IFNOBASE+1)
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#define CDCSER_DATAALTIFID CDCSER_DATAIFID
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/* Configuration descriptor values */
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#define CDCSER_CONFIGID (1) /* The only supported configuration ID */
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/* Buffer big enough for any of our descriptors (the config descriptor is the
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* biggest).
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*/
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#define CDCSER_MXDESCLEN (64)
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/* Device descriptor values */
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#define CDCSER_VERSIONNO (0x0101) /* Device version number 1.1 (BCD) */
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#define CDCSER_NCONFIGS (1) /* Number of configurations supported */
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/* String language */
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#define CDCSER_STR_LANGUAGE (0x0409) /* en-us */
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/* Descriptor strings. If there serial device is part of a composite device
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* then the manufacturer, product, and serial number strings will be provided
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* by the composite logic.
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*/
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#ifndef CONFIG_CDCSER_COMPOSITE
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# define CDCSER_MANUFACTURERSTRID (1)
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# define CDCSER_PRODUCTSTRID (2)
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# define CDCSER_SERIALSTRID (3)
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# define CDCSER_CONFIGSTRID (4)
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# undef CONFIG_CDCSER_STRBASE
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# define CONFIG_CDCSER_STRBASE (4)
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#endif
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/* These string IDs only exist if a user-defined string is provided */
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#ifdef CONFIG_CDCSER_NOTIFSTR
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# define CDCSER_NOTIFSTRID (CONFIG_CDCSER_STRBASE+1)
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#else
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# define CDCSER_NOTIFSTRID CONFIG_CDCSER_STRBASE
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#endif
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#ifdef CONFIG_CDCSER_DATAIFSTR
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# define CDCSER_DATAIFSTRID (CDCSER_NOTIFSTRID+1)
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#else
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# define CDCSER_DATAIFSTRID CDCSER_NOTIFSTRID
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#endif
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#define CDCSER_LASTSTRID CDCSER_DATAIFSTRID
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/* Configuration descriptor size */
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#ifndef CONFIG_CDCSER_COMPOSITE
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/* Number of individual descriptors in the configuration descriptor:
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* Configuration descriptor + (2) interface descriptors + (3) endpoint
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* descriptors + (3) ACM descriptors.
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*/
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# define CDCSER_CFGGROUP_SIZE (9)
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/* The size of the config descriptor: (9 + 2*9 + 3*7 + 4 + 5 + 5) = 62 */
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# define SIZEOF_CDCSER_CFGDESC \
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(USB_SIZEOF_CFGDESC + 2*USB_SIZEOF_IFDESC + 3*USB_SIZEOF_EPDESC + \
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SIZEOF_ACM_FUNCDESC + SIZEOF_HDR_FUNCDESC + SIZEOF_UNION_FUNCDESC(1))
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#else
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/* Number of individual descriptors in the configuration descriptor:
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* (2) interface descriptors + (3) endpoint descriptors + (3) ACM descriptors.
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*/
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# define CDCSER_CFGGROUP_SIZE (8)
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/* The size of the config descriptor: (2*9 + 3*7 + 4 + 5 + 5) = 53 */
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# define SIZEOF_CDCSER_CFGDESC \
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(2*USB_SIZEOF_IFDESC + 3*USB_SIZEOF_EPDESC + SIZEOF_ACM_FUNCDESC + \
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SIZEOF_HDR_FUNCDESC + SIZEOF_UNION_FUNCDESC(1))
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#endif
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/* Endpoint configuration ****************************************************/
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#define CDCSER_EPINTIN_ADDR (USB_DIR_IN|CONFIG_CDCSER_EPINTIN)
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#define CDCSER_EPINTIN_ATTR (USB_EP_ATTR_XFER_INT)
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#define CDCSER_EPOUTBULK_ADDR (CONFIG_CDCSER_EPBULKOUT)
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#define CDCSER_EPOUTBULK_ATTR (USB_EP_ATTR_XFER_BULK)
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#define CDCSER_EPINBULK_ADDR (USB_DIR_IN|CONFIG_CDCSER_EPBULKIN)
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#define CDCSER_EPINBULK_ATTR (USB_EP_ATTR_XFER_BULK)
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/* Misc Macros **************************************************************/
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/* MIN/MAX macros */
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#ifndef MIN
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# define MIN(a,b) ((a)<(b)?(a):(b))
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#endif
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#ifndef MAX
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# define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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/* Trace values *************************************************************/
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#define CDCSER_CLASSAPI_SETUP TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SETUP)
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#define CDCSER_CLASSAPI_SHUTDOWN TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SHUTDOWN)
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#define CDCSER_CLASSAPI_ATTACH TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_ATTACH)
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#define CDCSER_CLASSAPI_DETACH TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_DETACH)
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#define CDCSER_CLASSAPI_IOCTL TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_IOCTL)
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#define CDCSER_CLASSAPI_RECEIVE TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RECEIVE)
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#define CDCSER_CLASSAPI_RXINT TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RXINT)
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#define CDCSER_CLASSAPI_RXAVAILABLE TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RXAVAILABLE)
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#define CDCSER_CLASSAPI_SEND TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SEND)
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#define CDCSER_CLASSAPI_TXINT TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXINT)
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#define CDCSER_CLASSAPI_TXREADY TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXREADY)
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#define CDCSER_CLASSAPI_TXEMPTY TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXEMPTY)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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enum cdcser_epdesc_e
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{
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CDCSER_EPINTIN = 0, /* Interrupt IN endpoint descriptor */
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CDCSER_EPBULKOUT, /* Bulk OUT endpoint descriptor */
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CDCSER_EPBULKIN /* Bulk IN endpoint descriptor */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: cdcser_mkstrdesc
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*
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* Description:
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* Construct a string descriptor
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*
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****************************************************************************/
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int cdcser_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc);
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/****************************************************************************
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* Name: cdcser_getepdesc
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*
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* Description:
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* Return a pointer to the raw device descriptor
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*
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****************************************************************************/
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#ifndef CONFIG_CDCSER_COMPOSITE
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FAR const struct usb_devdesc_s *cdcser_getdevdesc(void);
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#endif
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/****************************************************************************
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* Name: cdcser_getepdesc
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*
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* Description:
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* Return a pointer to the raw endpoint descriptor (used for configuring
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* endpoints)
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*
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****************************************************************************/
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FAR const struct usb_epdesc_s *cdcser_getepdesc(enum cdcser_epdesc_e epid);
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/****************************************************************************
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* Name: cdcser_mkepdesc
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*
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* Description:
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* Construct the endpoint descriptor using the correct max packet size.
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*
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****************************************************************************/
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#ifdef CONFIG_USBDEV_DUALSPEED
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void cdcser_mkepdesc(enum cdcser_epdesc_e epid,
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uint16_t mxpacket, FAR struct usb_epdesc_s *outdesc);
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#endif
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/****************************************************************************
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* Name: cdcser_mkcfgdesc
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*
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* Description:
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* Construct the configuration descriptor
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*
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****************************************************************************/
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#ifdef CONFIG_USBDEV_DUALSPEED
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int16_t cdcser_mkcfgdesc(FAR uint8_t *buf, uint8_t speed, uint8_t type);
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#else
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int16_t cdcser_mkcfgdesc(FAR uint8_t *buf);
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#endif
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/****************************************************************************
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* Name: cdcser_getqualdesc
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*
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* Description:
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* Return a pointer to the raw qual descriptor
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*
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****************************************************************************/
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#if !defined(CONFIG_CDCSER_COMPOSITE) && defined(CONFIG_USBDEV_DUALSPEED)
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FAR const struct usb_qualdesc_s *cdcser_getqualdesc(void);
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#endif
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#endif /* __DRIVERS_USBDEV_CDCACM_H */
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