local board_id_len=$(($header_len - 40))
local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
echo "Found CHK image with device board_id $board_id"
- echo "Flashing CHK images in unsupported. Please use only .trx files."
- return 1
+
+ magic=$(get_magic_long_at "$1" "$header_len")
+ [ "$magic" != "48445230" ] && {
+ echo "No valid TRX firmware in the CHK image"
+ return 1
+ }
+
+ return 0
;;
"cybertan")
local magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
echo "Found CyberTAN image with device magic: $magic"
- echo "Flashing CyberTAN images in unsupported. Please use only .trx files."
- return 1
+
+ magic=$(get_magic_long_at "$1" 32)
+ [ "$magic" != "48445230" ] && {
+ echo "No valid TRX firmware in the CyberTAN image"
+ return 1
+ }
+
+ return 0
;;
"trx")
return 0