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#!/bin/bash -eu

###############################################################################

#

# Copyright (C) 2015

# ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>

# P.O.Box 2, 7990 AA Dwingeloo, The Netherlands

#

# 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 3 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, see <http://www.gnu.org/licenses/>.

#

###############################################################################

# Purpose:

# . Extract fMax from Timequest report file

# Usage:

# . $ quartus_fmax [project].sta.rpt [clk]

# . [clk] is the full path of the clock of interest; copy/paste this from Timequest GUI.

if [ ! -z $1 ]; then

    # $1 was given

    RPT_FILE=$1

else

    : # $1 was not given

    echo 'Pass a .sta.rpt file as first argument.'

    exit 1

fi

if [ ! -z $2 ]; then

    : # $2 was given

    CLK=$2

else

    : # $2 was not given

    echo 'Pass (part of) the clock path as second argument.'

    exit 1

fi

nof_clk=`awk '/; Slow 900mV 85C Model Fmax Summary/,/This panel reports FMAX/' $RPT_FILE | grep -c $CLK`

if [ $nof_clk = 0 ]; then

    echo 'Clock not found; check provided clock path'

    exit 1

elif [ $nof_clk -gt 1 ]; then

    echo 'Multiple clocks found; check provided clock path.'

    exit 1

else

    # Good; only one clock found mathing user passed clk path.

    awk '/; Slow 900mV 85C Model Fmax Summary/,/This panel reports FMAX/' $RPT_FILE | grep $CLK | cut -d';' -f2

fi