mirror of
https://github.com/openhwgroup/cvw
synced 2025-01-23 13:04:28 +00:00
81 lines
2.3 KiB
Bash
Executable File
81 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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###########################################
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## write-bytes.sh
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##
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## Written: Jacob Pease jacobpease@protonmail.com
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## Created: November 2nd, 2024
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## Modified:
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##
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## Purpose: Write a sequence of bytes from text file to an output file and a flash card.
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##
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## A component of the CORE-V-WALLY configurable RISC-V project.
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## https://github.com/openhwgroup/cvw
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##
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## Copyright (C) 2021-24 Harvey Mudd College & Oklahoma State University
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##
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## SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
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##
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## Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
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## except in compliance with the License, or, at your option, the Apache License version 2.0. You
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## may obtain a copy of the License at
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##
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## https:##solderpad.org/licenses/SHL-2.1/
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##
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## Unless required by applicable law or agreed to in writing, any work distributed under the
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## License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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## either express or implied. See the License for the specific language governing permissions
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## and limitations under the License.
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################################################################################################
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# This file writes a bunch of bytes to the flash card based on a text
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# file input with bytes written in hexadecimal.
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usage() { echo "Usage: $0 [-zh] [-b <path/to/buildroot>] <device>" 1>&2; exit 1; }
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help() {
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echo "Usage: $0 [OPTIONS] <device>"
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echo " -i Input text file with hex bytes."
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echo " -b <path/to/buildroot> Output binary file."
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exit 0;
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}
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INPUTFILE=""
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OUTPUTFILE=""
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ARGS=()
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while [ $OPTIND -le "$#" ] ; do
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if getopts "hi:o:" arg ; then
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case "${arg}" in
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h) help
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;;
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i) INPUTFILE=${OPTARG}
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;;
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o) OUTPUTFILE=${OPTARG}
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;;
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esac
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else
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ARGS+=("${!OPTIND}")
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((OPTIND++))
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fi
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done
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SDCARD=${ARGS[0]}
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if [ ! -e $INPUTFILE ] ; then
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echo -e "Error: Input file $INPUTFILE does not exist."
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exit 1
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fi
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if [ -e $OUTPUTFILE ] ; then
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echo -e "Error: Output file $OUTPUTFILE already exists."
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exit 1
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fi
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for word in $(cat "$INPUTFILE")
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do
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echo -en "\x$word" >> $OUTPUTFILE
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done
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dd if=$OUTPUTFILE of="$SDCARD"
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