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File: [CENS] / emstar / sensors / audiod / vxpc_server / vxp_kernel.h (download) / (as text)
Revision: 1.4, Fri Jul 15 05:09:02 2005 UTC (4 years, 4 months ago) by girod
Branch: MAIN
CVS Tags: pregeonet, acoustic-05-18-06, PRE_TOSNIC_FIX, PRE_64BIT, LAURA_CALIBRATION_EXPERIMENTS, HEAD, ESS_RELEASE_3_5, ESS_RELEASE_3_4, ESS_RELEASE_3_2, ESS_RELEASE_3_1, ESS_RELEASE_3_0, ESS_RELEASE_2_0, ESS_CONNECTIVITY, ESS_CENTROUTE_TESTING, ESS2-CMS-V1_5_pretest, ESS2-CMS-V1_4cMergeSympathy, EMSTAR_RELEASE_2_5, CYCLOPS_RELEASE_CANDIDATE_2_0, CYCLOPS_PRERELEASE_STABLE, CENTROUTE_EMSTAR_SOCKETS, BG_1_0, BANGLADESH_ARSENIC_1_2, BANGLADESH_ARSENIC_1_1, AMARSS_JR_DEPLOYMENT_6_05_07
Changes since 1.3: +2 -1 lines

added send timing interface to kernel header..

/*
 *
 * Copyright (c) 2005 The Regents of the University of California.  All 
 * rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Neither the name of the University 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 REGENTS 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 REGENTS 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 __VXP_KERNEL_H__
#define __VXP_KERNEL_H__

/* 
 *  The VXP sync interface is implemented via the /proc filesystem.
 *  When the proc device is read, the following struct is reported,
 *  telling the time of the request and the number of samples recorded
 *  from the beginning of each pcm's open() at that time.
 */

#define VXP_SYNC_DEVICE          "/proc/vx_sync_bin"
#define VXP_TRIGGER_SYNC_DEVICE  "/proc/vx_last_trigger"

typedef struct vxp_sync_report {
  struct timeval cpu_time;
  uint64_t pcm_count[2];
} vxp_sync_report_t;

#endif

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