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#!/bin/sh
# Generates commands for whole DirectC operation. It expects to find
# the first command created by the user in output directory. It sends
# this command to DAppFpgaProg, reads reply, uses the reply to
# constructs the next command with data from .DAT file and sends the
# next command to DMAppFpgaProg. This is repeated until the reply
# contains result of the DirectC operation.
. ../utils.sh
. ../yup_comm.sh
COM_PORT='COM5'
extract_uint32()
{
file=$1
offset=$2
n=0x$(dd bs=1 count=4 if=$file skip=$offset 2>/dev/null | \
hexdump -C | awk '{ print $5 $4 $3 $2 }')
printf "%d\n" $n
}
usage()
{
{
echo "Usage: $0 DIR DAT"
echo " DIR directory with initial command and for generated commands"
echo " DAT .DAT file for DirectC operation"
} >&2
}
if [ $# -ne 2 ]; then
echo "ERROR: invalid number of arguments" >&2
usage
exit 1
fi
dir="$1"
datfile="$2"
yup_comm_start_server $COM_PORT
while true; do
next_cmd=$dir/$(ls "$dir" | grep '[0-9][0-9]*_cmd' | sort -n | tail -n1)
next_n=$(basename $next_cmd | cut -d_ -f1)
next_reply=$dir/${next_n}_reply
yup_comm_execute_dm_cmd $next_cmd $next_reply
[ $? -ne 0 ] && error "Cannot execute DMAppFpgaProg command $next_cmd"
if [ $(du -b $next_reply | awk '{ printf $1 }') -ne 9 ]; then
break
fi
offset=$(extract_uint32 $next_reply 1)
size=$(extract_uint32 $next_reply 5)
next_n=$(( $next_n + 1 ))
echo "Generating command ${next_n}_reply"
# Construct command Provide page data
printf '\x04' >"$dir/${next_n}_cmd"
dd bs=1 count=$size skip=$offset seek=1 \
if="$datfile" of=$dir/${next_n}_cmd 2>/dev/null
done
yup_comm_stop_server
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