HDMI2USB XMODEM Helper Script

write_firm.sh

#!/bin/sh

if [ "$#" -lt 3 ]; then
  echo "Usage: $0 bin-file address interface" >&2
  exit 1
fi

LEN_CRC=`~/bin/getcrc32.py $1 | cut -d' ' -f2-`
PROG_CMD="write spi xmodem $2 $LEN_CRC"

echo "$PROG_CMD" > $3
sleep 1 # If we don't have this, we can accidentally send before
        # the receiver is ready. Will wait 10 seconds before
        # transmitting.
sx -kvv $1 < $3 > $3
stdbuf -oL grep -m 1 -e "successfully" -e "error" -e "failed" $3