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 * @file libshut.h
 * @brief HID Library - Generic serial SHUT backend for Generic HID Access (using MGE HIDParser)
 *        SHUT stands for Serial HID UPS Transfer, and was created by MGE UPS SYSTEMS
 * @author Copyright (C) 2006 - 2007
 *    Arnaud Quette <aquette.dev@gmail.com>
 * This program is sponsored by MGE UPS SYSTEMS - opensource.mgeups.com
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      GNU General Public License for more details.
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 * -------------------------------------------------------------------------- */

#ifndef LIBSHUT_H
#define LIBSHUT_H

#include "main.h" /* for subdrv_info_t */
#include "nut_stdint.h" /* for uint16_t */

extern upsdrv_info_t comm_upsdrv_info; 

 * SHUTDevice_t: Describe a SHUT device. This structure contains exactly
 * the 5 pieces of information by which a SHUT device identifies
 * itself, so it serves as a kind of "fingerprint" of the device. This
 * information must be matched exactly when reopening a device, and
 * therefore must not be "improved" or updated by a client
 * program. Vendor, Product, and Serial can be NULL if the
 * corresponding string did not exist or could not be retrieved.
00044 typedef struct SHUTDevice_s {
00045       uint16_t    VendorID; /*!< Device's Vendor ID */
00046       uint16_t    ProductID; /*!< Device's Product ID */
00047       char*       Vendor; /*!< Device's Vendor Name */
00048       char*       Product; /*!< Device's Product Name */
      char*       Serial; /* Product serial number */
      char*       Bus;    /* Bus name, e.g. "003" */
} SHUTDevice_t;

 * shut_communication_subdriver_s: structure to describe the communication routines
00056 typedef struct shut_communication_subdriver_s {
      const char *name;                   /* name of this subdriver           */
      const char *version;                      /* version of this subdriver        */
      int (*open)(int *upsfd,             /* try to open the next available   */
            SHUTDevice_t *curDevice,      /* device matching USBDeviceMatcher_t     */
            char *device_path,
            int (*callback)(int upsfd, SHUTDevice_t *hd, unsigned char *rdbuf, int rdlen));
      void (*close)(int upsfd);
      int (*get_report)(int upsfd, int ReportId,
      unsigned char *raw_buf, int ReportSize );
      int (*set_report)(int upsfd, int ReportId,
      unsigned char *raw_buf, int ReportSize );
      int (*get_string)(int upsfd,
      int StringIdx, char *buf, size_t buflen);
      int (*get_interrupt)(int upsfd,
      unsigned char *buf, int bufsize, int timeout);
} shut_communication_subdriver_t;

extern shut_communication_subdriver_t     shut_subdriver;

 * Notification levels
 * These are however not processed currently
00080 #define OFF_NOTIFICATION      1     /* notification off */
#define LIGHT_NOTIFICATION    2     /* light notification */
#define COMPLETE_NOTIFICATION 3     /* complete notification for UPSs which do */
                              /* not support disabling it like some early */
                              /* Ellipse models */

#endif /* LIBSHUT_H */

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