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#!/bin/bash
sysdir=/sys/devices/platform/mts-io
setwificap() {
WIFICAP=0
if [[ -f ${sysdir}/capability/wifi ]] && (($(cat ${sysdir}/capability/wifi) == 1)) ; then
WIFICAP=1
fi
}
lora_init() {
# reset lora chip
mts-io-sysfs store lora/reset 1
mts-io-sysfs store lora/reset 0
usleep 100000
mts-io-sysfs store lora/reset 1
}
eth_init() {
# reset eth phy
mts-io-sysfs store eth-reset 1
mts-io-sysfs store eth-reset 0
usleep 100000
mts-io-sysfs store eth-reset 1
}
# Normal state when powered up
wifi_init1() {
(($WIFICAP)) || return 0
# reset wlan
mts-io-sysfs store wlan-rst 0
# disable wlan
mts-io-sysfs store wlan-en 0
}
wifi_init2() {
(($WIFICAP)) || return 0
mts-io-sysfs store wlan-en 1
usleep 30000 # 30mS according to WILC1000 spec.
mts-io-sysfs store wlan-rst 1
}
cell_init() {
# remove /dev/modem_at[0,1] symlinks
rm -f /dev/modem_at[0,1]
if [ -w /sys/devices/platform/mts-io/radio-power] ; then
# power down the cellular chip gracefully
mts-io-sysfs store radio-power 0
# power up the cellular chip
mts-io-sysfs store radio-power 1
fi
}
start_lora_led_updater() {
lora-led-updater &
}
case $1 in
start)
echo "Loading mts-io module"
modprobe -r atmel_mci
modprobe mts_io
setwificap
wifi_init1
lora_init
eth_init
cell_init &
start_lora_led_updater
wifi_init2
modprobe atmel_mci
(($WIFICAP)) && modprobe wilc1000
(($WIFICAP)) && modprobe wilc1000-sdio
;;
stop)
echo "Unloading mts-io module"
wifi_init1 # Power down wifi
modprobe -r wilc1000 >/dev/null 2>&1
modprobe -r wilc1000-sdio >/dev/null 2>&1
modprobe -r mts_io >/dev/null 2>&1
;;
*)
echo "Usage: $0 {start|stop}"
exit 2
;;
esac
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