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https://github.com/polhenarejos/pico-hsm.git
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Adding script to patch binary with desired VID:PID.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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patch_vidpid.sh
Executable file
77
patch_vidpid.sh
Executable file
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#!/bin/bash
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echo "----------------------------"
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echo "VID/PID patcher for HSM 2040"
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echo "----------------------------"
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echo ""
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if [ "$#" -le 0 ]; then
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echo "Usage: $0 VID:PID [input_uf2_file] [output_uf2_file]"
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exit 1
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fi
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IFS=':' read -r -a ARR <<< "$1"
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if [ ${#ARR[@]} -ne 2 ]; then
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echo "ERROR: Specify vendor and product ids as VID:PID (e.g., $0 CAFE:1234)"
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exit 1
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fi
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VID=${ARR[0]}
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PID=${ARR[1]}
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if [ ${#VID} -ne 4 ]; then
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echo "ERROR: VID length must be 4 hexadecimal characters"
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exit 1
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fi
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if [ ${#PID} -ne 4 ]; then
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echo "ERROR: PID length must be 4 hexadecimal characters"
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exit 1
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fi
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if ! [[ $VID =~ ^[0-9A-Fa-f]{1,}$ ]] ; then
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echo "ERROR: VID must contain hexadecimal characters"
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exit 1
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fi
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if ! [[ $PID =~ ^[0-9A-Fa-f]{1,}$ ]] ; then
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echo "ERROR: PID must contain hexadecimal characters"
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exit 1
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fi
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UF2_FILE_IF="hsm2040.uf2"
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UF2_FILE_OF="$UF2_FILE_IF"
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if [ "$#" -ge 2 ]; then
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UF2_FILE_IF="$2"
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UF2_FILE_OF="$UF2_FILE_IF"
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fi
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if [ "$#" -ge 3 ]; then
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UF2_FILE_OF="$3"
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fi
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echo -n "Patching ${UF2_FILE_IF}... "
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if [[ ! -f "$UF2_FILE_IF" ]]; then
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echo "ERROR: UF2 file ${UF2_FILE_IF} does not exist"
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exit 1
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fi
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if [ "$UF2_FILE_IF" != "$UF2_FILE_OF" ]; then
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cp -R $UF2_FILE_IF $UF2_FILE_OF
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fi
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BASE_ADDRESS=`xxd "$UF2_FILE_IF" | grep "fffe fdfc 0103 0102 0301" | cut -d " " -f1`
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ADDRESS="0x${BASE_ADDRESS%?}"
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LITTLE_VID="\x${VID:2:2}\x${VID:0:2}"
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LITTLE_PID="\x${PID:2:2}\x${PID:0:2}"
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printf "$LITTLE_VID$LITTLE_PID" | dd of="$UF2_FILE_OF" bs=1 seek=$(($ADDRESS)) conv=notrunc 2> /dev/null
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echo "Done!"
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echo ""
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echo "Patched file was saved in ${UF2_FILE_OF}"
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