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- /**
- * u3_tool - U3 USB stick manager
- * Copyright (C) 2007 Daviedev, daviedev@users.sourceforge.net
- *
- * 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #ifndef __U3_SCSI_H__
- #define __U3_SCSI_H__
- /**
- * @file u3_scsi.h
- *
- * @description Declare some helper functions to provide a subsystem
- * independent way of sending SCSI commands to a U3 device.
- */
- #include "u3.h"
- #define U3_CMD_LEN 12
- /**
- * Open U3 device
- *
- * This opens the device addressed by the variable 'which'.
- *
- * @param device pointer to U3 handle that will be used to access the
- * newly openned device.
- *
- * @returns U3_SUCCESS if successful, else U3_FAILURE and
- * an error string can be obtained using u3_error()
- */
- int u3_open(u3_handle_t *device, const char *which);
- /**
- * Close U3 device
- *
- * This closes the u3 device handle pointed to by 'device'
- *
- * @param device U3 handle
- */
- void u3_close(u3_handle_t *device);
- /**
- * dxfer_direction values as used by u3_send_cmd()
- *
- * @see 'u3_send_cmd()'
- */
- enum {
- U3_DATA_NONE = 0, // dont transfer extra data
- U3_DATA_TO_DEV = 1, // send data to device
- U3_DATA_FROM_DEV = 2, // read data from device
- };
- /**
- * Execute a scsi command at device
- *
- * This send the given SCSI CDB in 'cmd' to the device given by 'device'.
- * Optional data is transfered from or to the device. The SCSI status as
- * returned by the device is placed in 'status'.
- *
- * @param device U3 handle
- * @param cmd SCSI CDB
- * @param dxfer_direction Direction of extra data, given by on of the
- * U3_DATA_* enum values
- * @param dxfer_len Length of extra data
- * @param dxfer_data Buffer with extra data
- * @param status Pointer to variable to return SCSI status in
- *
- * @returns U3_SUCCESS if successful, else U3_FAILURE and
- * an error string can be obtained using u3_error()
- */
- int u3_send_cmd(u3_handle_t *device, uint8_t cmd[U3_CMD_LEN],
- int dxfer_direction, int dxfer_length, uint8_t *dxfer_data,
- uint8_t *status);
- #endif // __U3_SCSI_H__
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