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# $Id: test_attn.tcl 661 2015-04-03 18:28:41Z mueller $

#

# Copyright 2011-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

#

# This program is free software; you may redistribute and/or modify it under

# the terms of the GNU General Public License as published by the Free

# Software Foundation, either version 2, 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 complete details.

#

#  Revision History:

# Date         Rev Version  Comment

# 2015-04-03   661   2.1    drop estatdef (stat err check default now)

# 2014-11-09   603   2.0    use rlink v4 address layout and iface

# 2011-03-27   374   1.0    Initial version

# 2011-03-20   372   0.1    First Draft

#

package provide rbtest 1.0

package require rutiltpp

package require rutil

package require rlink

namespace eval rbtest {

  #

  # Test with stat connectivity of the cntl register.

  #

  proc test_attn {{attnmsk 0x0}} {

    # quit if nothing to do...

    if {$attnmsk == 0} {return 0}

    #

    set apats {}

    for {set i 0} {$i < 16} {incr i} {

      set apat [expr {1 << $i}]

      if {[expr {$apat & $attnmsk}]} {lappend apats $apat}

    }

    #

    set errcnt 0

    rlc errcnt -clear

    #

    rlc log "rbtest::test_attn - init: clear regs and attn flags"

    rlc exec -init te.cntl [regbld rbtest::INIT cntl data fifo]

    rlc exec -attn

    #

    #-------------------------------------------------------------------------

    rlc log "  test 1: verify connection of attn bits"

    foreach apat $apats {

      rlc exec \

        -wreg te.attn $apat \

        -rreg te.cntl -estat [regbld rlink::STAT attn] \

        -attn         -edata $apat \

        -rreg te.cntl -estat 0x0

    }

    #

    #-------------------------------------------------------------------------

    rlc log "  test 2: verify that attn flags accumulate"

    foreach apat $apats {

      rlc exec -wreg te.attn $apat

    }

    rlc exec -attn -edata $attnmsk

    #

    #-------------------------------------------------------------------------

    #rlc log "  test 3: verify that <attn> comma is send"

    #set apat [lindex $apats 0]

    #rlc exec -init 0xff [regbld rlink::INIT anena] -estat $esdval $esdmsk 

    #rlc exec -wreg te.attn $apat -estat $esdval $esdmsk

    #rlc wtlam 1.

    #rlc exec -attn -edata $apat -estat $esdval $esdmsk

    #

    #-------------------------------------------------------------------------

    rlc log "rbtest::test_attn - cleanup: clear regs and attn flags"

    rlc exec -init te.cntl [regbld rbtest::INIT cntl data fifo]

    rlc exec -attn

    #

    incr errcnt [rlc errcnt -clear]

    return $errcnt

  }

}