#!/bin/bash
usage(){
    echo "Usage:"
    echo "switch_antenna trace|cable"
}

if [ ! -d "/sys/class/gpio/gpio428/" ]; then
    echo 428 > /sys/class/gpio/export
    echo out > /sys/class/gpio/gpio428/direction
fi
if [ ! -d "/sys/class/gpio/gpio429/" ]; then
    echo 429 > /sys/class/gpio/export
    echo out > /sys/class/gpio/gpio429/direction
fi
if [ $# -ne 1  ];
then
    usage
    exit
fi
if [ $1 = 'trace' ]
then
    echo 1 > /sys/class/gpio/gpio428/value
    echo 0 > /sys/class/gpio/gpio429/value
    echo "Setting antenna to trace mode"
elif [ $1 = 'cable' ]
then
    echo 0 > /sys/class/gpio/gpio428/value
    echo 1 > /sys/class/gpio/gpio429/value
    echo "Setting antenna to cable mode"
else 
    usage
    exit
fi
