pslr_scsi.h

/*
    pkTriggerCord
    Copyright (C) 2011-2019 Andras Salamon <andras.salamon@melda.info>
    Remote control of Pentax DSLR cameras.

    based on:

    PK-Remote
    Remote control of Pentax DSLR cameras.
    Copyright (C) 2008 Pontus Lidman <pontus@lysator.liu.se>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 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
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU General Public License
    and GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PSLR_SCSI_H
#define PSLR_SCSI_H

#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>

#ifdef RAD10
#include <windows.h>
#endif

#define CHECK(x) do {                           \
        int __r;                                \
        __r = (x);                                                      \
        if (__r != PSLR_OK) {                                           \
            pslr_write_log(PSLR_ERROR, "%s:%d:%s failed: %d\n", __FILE__, __LINE__, #x, __r); \
            return __r;                                                 \
        }                                                               \
    } while (0)

typedef enum {
    PSLR_OK = 0,
    PSLR_DEVICE_ERROR,
    PSLR_SCSI_ERROR,
    PSLR_COMMAND_ERROR,
    PSLR_READ_ERROR,
    PSLR_NO_MEMORY,
    PSLR_PARAM,                 /* Invalid parameters to API */
    PSLR_ERROR_MAX
} pslr_result;

/* This also could be used to specify FDTYPE HANDLE for Win32, but this seems tricky with includes */
#ifdef LIBGPHOTO2
typedef struct _GPPort GPPort;
#define FDTYPE GPPort*
#else
/* classic UNIX style handle */
#define FDTYPE int
#endif

int scsi_read(FDTYPE sg_fd, uint8_t *cmd, uint32_t cmdLen,
              uint8_t *buf, uint32_t bufLen);

int scsi_write(FDTYPE sg_fd, uint8_t *cmd, uint32_t cmdLen,
               uint8_t *buf, uint32_t bufLen);

char **get_drives(int *drive_num);

pslr_result get_drive_info(char* drive_name, FDTYPE* device,
                           char* vendor_id, int vendor_id_size_max,
                           char* product_id, int product_id_size_max);

void close_drive(FDTYPE *device);
#endif