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e15295649e
- many small changes to prepare upcoming support for Spartan-6 and usage of Cypress FX2 USB interface on nexys2/3 and atlys boards
73 lines
2.1 KiB
Tcl
73 lines
2.1 KiB
Tcl
# $Id: util.tcl 403 2011-08-06 17:36:22Z mueller $
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#
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# Copyright 2011- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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#
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# This program is free software; you may redistribute and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation, either version 2, or at your option any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for complete details.
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#
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# Revision History:
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# Date Rev Version Comment
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# 2011-08-06 403 1.0.1 add SINT and SINIT defs for serport init
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# 2011-03-26 373 1.0 Initial version
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# 2011-03-19 372 0.1 First draft
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#
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package provide rlink 1.0
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package require rutil 1.0
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namespace eval rlink {
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regdsc STAT {stat 7 3} {attn 4} {cerr 3} {derr 2} {rbnak 1} {rberr 0}
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regdsc INIT {anena 15} {itoena 14} {itoval 7 8}
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regdsc SINIT {fena 12} {fwidth 11 3} {fdelay 8 3} {rtsoff 5 3} {rtson 2 3}
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#
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# 'pseudo register', describes 3rd word in return list element for -rlist
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regdsc FLAGS {vol 16} \
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{chkdata 13} {chkstat 12} \
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{errcrc 11} {errcmd 10} {errmiss 9} {errnak 8} \
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{resend 7} {recov 6} {pktend 5} {pktbeg 4} \
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{done 2} {send 1} {init 0}
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variable IINT 0x00ff
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variable SINT 0x00fe
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#
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# init: reset rlink: disable enables; clear attn register
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#
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proc init {} {
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rlc exec \
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-init $rlink::IINT 0x0000 \
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-init $rlink::SINT [regbld rlink::SINIT {rtsoff 7} {rtson 6} ] \
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-attn
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return ""
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}
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#
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# isopen: returns 1 if open and 0 if close
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#
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proc isopen {} {
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if {[rlc open] eq ""} { return 0 }
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return 1
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}
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#
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# isfifo: returns 1 if open and fifo, 0 otherwise
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#
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proc isfifo {} {
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set name [rlc open]
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if {$name ne "" && [regexp -- {^fifo:} $name]} { return 1 }
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return 0
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}
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#
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# issim: returns 1 if open and in simulation mode, 0 otherwise
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#
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proc issim {} {
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if {![info exists rlink::sim_mode]} { return 0}
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return $rlink::sim_mode
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}
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}
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