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/****************************************************************************
* drivers/usbdev/cdc_serial.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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_USBDEV_CDC_SERIAL_H
#define __DRIVERS_USBDEV_USBDEV_CDC_SERIAL_H 1
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <nuttx/usb/usbdev.h>
#include <nuttx/usb/usbdev_trace.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* Descriptors **************************************************************/
/* These settings are not modifiable via the NuttX configuration */
#define CDCSER_CONFIGIDNONE (0) /* Config ID means to return to address mode */
#define CDCSER_INTERFACEID (0)
#define CDCSER_ALTINTERFACEID (0)
/* Configuration descriptor values */
#define CDCSER_CONFIGID (1) /* The only supported configuration ID */
/* Endpoint configuration */
#define CDCSER_EPINTIN_ADDR (USB_DIR_IN|CONFIG_CDCSER_EPINTIN)
#define CDCSER_EPINTIN_ATTR (USB_EP_ATTR_XFER_INT)
#define CDCSER_EPOUTBULK_ADDR (CONFIG_CDCSER_EPBULKOUT)
#define CDCSER_EPOUTBULK_ATTR (USB_EP_ATTR_XFER_BULK)
#define CDCSER_EPINBULK_ADDR (USB_DIR_IN|CONFIG_CDCSER_EPBULKIN)
#define CDCSER_EPINBULK_ATTR (USB_EP_ATTR_XFER_BULK)
/* Buffer big enough for any of our descriptors (the config descriptor is the
* biggest).
*/
#define CDCSER_MXDESCLEN (64)
/* 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 CDCSER_CLASSAPI_SETUP TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SETUP)
#define CDCSER_CLASSAPI_SHUTDOWN TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SHUTDOWN)
#define CDCSER_CLASSAPI_ATTACH TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_ATTACH)
#define CDCSER_CLASSAPI_DETACH TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_DETACH)
#define CDCSER_CLASSAPI_IOCTL TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_IOCTL)
#define CDCSER_CLASSAPI_RECEIVE TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RECEIVE)
#define CDCSER_CLASSAPI_RXINT TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RXINT)
#define CDCSER_CLASSAPI_RXAVAILABLE TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_RXAVAILABLE)
#define CDCSER_CLASSAPI_SEND TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_SEND)
#define CDCSER_CLASSAPI_TXINT TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXINT)
#define CDCSER_CLASSAPI_TXREADY TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXREADY)
#define CDCSER_CLASSAPI_TXEMPTY TRACE_EVENT(TRACE_CLASSAPI_ID, USBSER_TRACECLASSAPI_TXEMPTY)
/****************************************************************************
* Public Types
****************************************************************************/
enum cdcser_epdesc_e
{
CDCSER_EPINTIN = 0, /* Interrupt IN endpoint descriptor */
CDCSER_EPBULKOUT, /* Bulk OUT endpoint descriptor */
CDCSER_EPBULKIN /* Bulk IN endpoint descriptor */
};
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: cdcser_mkstrdesc
*
* Description:
* Construct a string descriptor
*
****************************************************************************/
int cdcser_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc);
/****************************************************************************
* Name: cdcser_getepdesc
*
* Description:
* Return a pointer to the raw device descriptor
*
****************************************************************************/
FAR const struct usb_devdesc_s *cdcser_getdevdesc(void);
/****************************************************************************
* Name: cdcser_getepdesc
*
* Description:
* Return a pointer to the raw endpoint descriptor (used for configuring
* endpoints)
*
****************************************************************************/
FAR const struct usb_epdesc_s *cdcser_getepdesc(enum cdcser_epdesc_e epid);
/****************************************************************************
* Name: cdcser_mkepdesc
*
* Description:
* Construct the endpoint descriptor using the correct max packet size.
*
****************************************************************************/
#ifdef CONFIG_USBDEV_DUALSPEED
void cdcser_mkepdesc(enum cdcser_epdesc_e epid,
uint16_t mxpacket, FAR struct usb_epdesc_s *outdesc);
#endif
/****************************************************************************
* Name: cdcser_mkcfgdesc
*
* Description:
* Construct the configuration descriptor
*
****************************************************************************/
#ifdef CONFIG_USBDEV_DUALSPEED
int16_t cdcser_mkcfgdesc(FAR uint8_t *buf, uint8_t speed, uint8_t type);
#else
int16_t cdcser_mkcfgdesc(FAR uint8_t *buf);
#endif
/****************************************************************************
* Name: cdcser_getqualdesc
*
* Description:
* Return a pointer to the raw qual descriptor
*
****************************************************************************/
#ifdef CONFIG_USBDEV_DUALSPEED
FAR const struct usb_qualdesc_s *cdcser_getqualdesc(void);
#endif
#endif /* __DRIVERS_USBDEV_USBDEV_CDC_SERIAL_H */
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