#!/bin/sh

I2C_APP="/usr/bin/bus3-i2c"
WORD_ON="0xf0000000"
WORD_OFF="0x00000001"
PICO_ADDRESS="0x1b"

PICO_OPTION="$1"
PICO_OPTION_VALUE="$2"

# Reading a register needs something like:
#   bus3-i2c 0x1b wb 0x15 0x08
#   bus3-i2c 0x1b vb4

case ${PICO_OPTION_VALUE} in
"0")
			;;
"1")
			;;
*)
			echo "Invalid value" ; PICO_OPTION="invalid-as-well";;
esac

case ${PICO_OPTION} in
"hflip")
			if [ $2 -gt 0 ] ; then
				${I2C_APP} ${PICO_ADDRESS} wb4 0x08 ${WORD_ON}
			else
				${I2C_APP} ${PICO_ADDRESS} wb4 0x08 ${WORD_OFF}
			fi;;

"vflip")
			if [ $2 -gt 0 ] ; then
				${I2C_APP} ${PICO_ADDRESS} wb4 0x09 ${WORD_ON}
			else
				${I2C_APP} ${PICO_ADDRESS} wb4 0x09 ${WORD_OFF}
			fi;;

"temporal-enhance")
			if [ $2 -gt 0 ] ; then
				${I2C_APP} ${PICO_ADDRESS} wb4 0x26 ${WORD_ON}
			else
				${I2C_APP} ${PICO_ADDRESS} wb4 0x26 ${WORD_OFF}
			fi;;

*)
			echo "Usage: $0 vflip|hflip|temporal-enhance 0/1";;
esac