Bash script to program Silabs SI53xx devices via I2C bus using txt file exported from ClockBuilder tool

siprog.sh

#!/bin/bash

I2CBUS="1"
I2CADDR="0x6a"

current_page="-1"

function set_page {
	if [ "x$current_page" == "x$1" ]; then return; fi

	echo "Setting current page to $1"
	i2cset -y $I2CBUS $I2CADDR 0x1 "0x$1"
	current_page=$1
}

if [[ $# -eq 0 ]];
then
	exit;
fi

cmd_regex="0x([0-9a-zA-Z]{2})?([0-9a-zA-Z]{2}),0x([0-9a-zA-Z]{2})"

delay_regex="# Delay 300 msec"

while read line
do
	if [[ $line =~ $delay_regex ]]; then
		sleep 1;
        fi
        if [[ $line =~ $cmd_regex ]]; then
		page=${BASH_REMATCH[1]}
		addr=${BASH_REMATCH[2]}
		data=${BASH_REMATCH[3]}
		if [ "x$page" != "x" ]; then
			set_page $page
		fi
		i2cset -y $I2CBUS $I2CADDR "0x$addr" "0x$data"
		echo "$page $addr $data"
	fi
done < $1