llcontrol.h

Go to the documentation of this file.

/*****************************************************************************
 *
 * File: llcontrol.h
 *
 * $RCSfile: llcontrol.h,v $
 * 
 * Copyright (C) 2001 D-TACQ Solutions Ltd
 *
 * Description:
 *     application implementing the LOW LATENCY CONTROL feture
 *
 * $Id: llcontrol.h,v 1.1.4.17 2009/09/29 13:09:14 pgm Exp $
 * $Log: llcontrol.h,v $
 * Revision 1.1.4.17  2009/09/29 13:09:14  pgm
 * RFM emulation (not complete)
 *
 * Revision 1.1.4.16  2009/04/02 13:19:01  pgm
 * docs away
 *
 * Revision 1.1.4.15  2009/03/28 18:47:39  pgm
 * sync2VAO32 take 1
 *
 * Revision 1.1.4.14  2006/02/23 21:56:40  pgm
 * remove unwanted statics
 *
 * Revision 1.1.4.13  2006/01/15 11:18:18  pgm
 * SYNC_2V
 *
 * Revision 1.1.4.12  2006/01/09 13:40:31  pgm
 * SYNC_2V mode implemented
 *
 * Revision 1.1.4.11  2005/12/07 10:21:15  pgm
 * *** empty log message ***
 *
 * Revision 1.1.4.10  2005/12/06 21:22:40  pgm
 * ACQ216HS channels=2 pulls in antiphase
 *
 * Revision 1.1.4.9  2005/12/06 18:11:31  pgm
 * ACQ216HS (ChannelMask) option
 *
 * Revision 1.1.4.8  2005/11/04 17:26:18  pgm
 * *** empty log message ***
 *
 * Revision 1.1.4.7  2005/10/03 15:03:48  pgm
 * acq216 llc with prams
 *
 * Revision 1.1.4.6  2005/09/25 20:31:50  pgm
 * blocklen
 *
 * Revision 1.1.4.5  2005/08/11 10:02:24  pgm
 * SYNC_ECM - init host side slave memory areas
 *
 * Revision 1.1.4.4  2005/08/01 11:10:24  pgm
 * V2 part 1 running - local status, no hbpoll - ECM 100 acheived
 *
 * Revision 1.1.4.3  2004/12/09 22:31:57  pgm
 * microsecond timestamps do the BIZ - ECM20 here we go
 *
 * Revision 1.1.4.2  2004/12/09 12:58:34  pgm
 * various attempts at repartitioning for speed
 *
 * Revision 1.1.4.1  2004/11/04 07:13:13  pgm
 * merged multicard case
 *
 * Revision 1.1.2.7  2004/09/26 19:50:58  pgm
 * *** empty log message ***
 *
 * Revision 1.1.2.6  2004/09/26 11:32:39  pgm
 * multiboard tstats pollstats in
 *
 * Revision 1.1.2.5  2004/09/25 21:16:28  pgm
 * multiboard case runs
 *
 * Revision 1.1.2.4  2004/09/25 11:53:03  pgm
 * first pass multi done - check it works for n==1
 *
 * Revision 1.1.2.3  2004/09/25 09:12:35  pgm
 * *** empty log message ***
 *
 * Revision 1.1.2.2  2004/09/25 09:08:31  pgm
 * first UI/test split
 *
 * Revision 1.1.2.1  2004/09/25 08:46:04  pgm
 * *** empty log message ***
 *
 * Revision 1.1.2.1  2004/09/25 08:44:47  pgm
 * *** empty log message ***
 *
 */


/** @file llcontrol.h shared data structs for llcontrol. */

#ifndef __LLCONTROL_H__
#define __LLCONTROL_H__

extern int verbose;
extern int G_quit;

#define MAXTEST 12

/** defines resources dedicated to each card. */
struct Card {
        int slot;
        int channels;
        struct MU* mbx;           /* mapping to mailboxes on card */
        struct DmaBuffer* buf;    /* mapping of host-side buffer  */

        unsigned tlatch;
        unsigned sync_2v_offset_status_hsbt;
};

/** defines timing of the shot. */
struct TimingStats {
        int iter;         /** iteration. */
        u32 tlatch;       /** Tlatch: time the adc was clocked at. */
        u32 tinst;        /** Tinst: time the counter was read at. */
        u32 tprocess;     /** Process time on target */
        int hb_poll;      /** Host buffer poll count.
                           *  first card, indicates amount of slack time
                           * other cards, should be small 
                           */
        int target_poll;  /* expect to be 1 for each card, a big number 
                             indicates that hb_poll mechanism failed */
        u32 test_points[MAXTEST];
};



#define ACQ196_BIGBUF_AREA 0x1000000  /* 16MB buffer assigned to each card */
#define MAXCARDS 16
#define MAXAO32  6                    /** Max AO32 Slave Cards */

/** defines a test [shot] . */
struct TestDescription {
        enum Mode { 
                M_NULL,                 /**< null test                  */
                M_SCM,                  /**< Soft Clock Master          */
                M_ECS,                  /**< External Clock Slave       */
                M_ECM,                  /**< ECM External Clock Master  */
                M_SYNC_ECM,             /**< ECM, sync AO update        */
                M_SYNC_2V,              /**< ECM, 2 Vector sync         */
                M_SYNC_2VAO32,          /**< ECM, 2 Vector sync + AO32 cards */
                M_MEASURE_BRIDGE,       /**< measure bridge latency     */
                M_SYNC_2VRFM            /**< M_SYNC_2V, monitor at remote */
        } mode;
        
        struct ARG {
                int interval;    /**< SCM: usecs delay  */
                int divisor;     /**< ECM: external clock divisor       */
        }
                arg;
        int iter;              /**< current iteration #                 */
            
        int iterations;        /**< #samples to acquire                 */
        int decimation;        /**< {0..15} (0 won't do much!)          */
        int overwrite;         /**< NOT append                          */
        const char*outfname;    /**< root name of output file (if output rqd)*/
        int do_work;           /**< do work (like read data in RT)      */
        int clkpos;            /**< 1=> clock positive edge             */
        int trpos;             /**< 1=> trigger positive edge           */
        int internal_loopback; 
        int min_latency_test;   /**< trim for abs minimum latency       */

        int mask_ints;         /**< optionally mask interrupts          */
        const char* mask_ints_mask;
        char* unmask_ints_mask;

        int ncards;
        struct Card cards[MAXCARDS];

        struct TimingStats* stats_buf[MAXCARDS];

        void* work_buf[MAXCARDS];

        int samples;                 /* # samples per capture, default:1 */
        int sample_size;
        int hb_polling;

        int update_dacs;
        char* dac_data_file;
        char* dac_data;
        int dac_data_samples;
        int dac_cursor;

        int feedback;
        int feedback_channel;

        int tlog;                      /* log times if set */
        const char* tlog_binfile;      /* to this file     */
        int sample_offset;             /* bytes to incr tgt point each smpl */

        int hardware_gate_off;         /* gate off is using by hardware, so
                                        * don't poll for it */
        u32 V2_BUFS[8]; 

        int ao32_count;
        int ao32_ids[MAXAO32];

        struct LLC200_INIT *llc200_init;
        int llc200_init_count;
        int acq216hs_ch12ch34_bonding;
};

#define LLC200_INIT_SZ sizeof(struct LLC200_INIT)

#define V2_NOBUF 1   /**< no buffer required,  0 offset may be valid! */

#define IS_SYNC_2V(mode) \
        ((mode) == M_SYNC_2V || (mode) == M_SYNC_2VAO32 || \
                (mode) == M_SYNC_2VRFM)
/*
 * define iterator for cards, assumes icard is a volatile variable
 * this is _much_ better represented in C++, see htstream for example
 */

/*
 * iterator variable must be in scope for each call:
 */
#define EACHCARD(td) (&(td)->cards[icard])
#define EACHMBX(td) ((td)->cards[icard].mbx)
#define EACHBUF(td) ((td)->cards[icard].buf)
#define EACHSLOT(td) ((td)->cards[icard].slot)

/*
 * This is the iterator. WARNING: unsafe bracketing, easy to misuse!
 */
#define FOREACHCARD for (int icard = 0; icard != td->ncards; ++icard)

#define FIRSTCARD(td) (&(td)->cards[0])
#define FIRSTMBX(td) ((td)->cards[0].mbx)
#define FIRSTBUF(td) ((td)->cards[0].buf)
#define FIRSTSLOT(td) ((td)->cards[0].slot)

#define THIS_CARD icard
#define MASTER  (icard == 0)

/* 
 * Core module EXPORTS these functions: 
 */

void setupAbortHandler( struct TestDescription* td );
void setupMonitor( int millisec );
void initCardResource(struct Card* card);
/*
 * Code module IMPORTS these functions
 */


static inline int td_sample_size(struct TestDescription* td)
{
        return td->sample_size;
//      return td->channels * sizeof(short);
}
static inline int td_dss(struct TestDescription* td)
{
        return td_sample_size(td) * td->iterations;
}


void updateTimingStats(
        struct TimingStats* buffer, int iter, struct TimingStats* stats); 
#endif