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|
#!/bin/bash
### BEGIN INIT INFO
# Provides: mts-io
# Default-Start: S
# Default-Stop:
# Short-Description: load the mts-io driver
# Description: mts-io driver initializes the Conduit hardware and
# provides user mode access through the driver to the
# Conduit features.
### END INIT INFO
. /etc/default/mts-io
i2c=/sys/bus/i2c/devices/
GPSCONFIGTYPE="/var/run/config/gpstype"
DEVTREE="/sys/kernel/config/device-tree/overlays/"
((fail=0))
# To log debug, set LOGDBG to /usr/bin/LOGGER
if ((DEBUG)) ; then
LOGDBG=/usr/bin/logger
${LOGDBG} -t "mts-io" -p daemon.info -s "LOGDBG turned on"
else
LOGDBG=":"
fi
hw=""
hw_name=""
MTAC_MODULES=""
((HASAP=0))
sethwtype() {
# mts-io must be loaded before trying this
hw=$(${SYSFS} show hw-version)
hw_name=(${hw//-/ })
# Only MTCDT and MTCDTIP have accessory cards, and
# MTCDTIPHP does not have accessory cards.
((HASAP==0))
case $hw_name in
MTCDTIPHP)
;;
MTCDT|MTCDTIP)
((HASAP = 1))
;;
*)
;;
esac
MTAC_MODULES=$(cd /lib/modules/$(uname -r)/extra/;ls mtac_* 2>/dev/null)
}
setdevtree() {
# add device tree overlays, if they exist.
[[ -d /lib/dtoverlays ]] || return 1
(
cd /lib/dtoverlays
for f in $(ls ${hw}*) ; do
if ! [[ -d ${DEVTREE} ]] ; then
mount configfs
fi
f1=${f/#${hw}-/}
f2=${f1/%.dtbo}
# f2 is the extracted device name
/bin/mkdir ${DEVTREE}/$f2
/bin/cat $f >${DEVTREE}/$f2/dtbo
done
)
}
SYSFS="/usr/sbin/mts-io-sysfs"
LRST="/usr/sbin/mts-util-lora2-reset"
${LOGDBG} -p daemon.info 'mts-io script'
sysdir=/sys/devices/platform/mts-io
gpiodir=/sys/class/gpio
port1=${sysdir}/ap1
port2=${sysdir}/ap2
USBRST=${sysdir}/usbhub-reset
NEED_I2C_RESET=0
HWVER=""
HWNAME=""
HWLVL=""
RST[0]="${sysdir}/wifi-bt-reset"
RST[1]="${sysdir}/mtq-reset"
RST[2]="${sysdir}/ap1/reset"
RST[3]="${sysdir}/ap1/creset"
RST[4]="${sysdir}/ap2/reset"
RST[5]="${sysdir}/ap2/creset"
RST[6]="${sysdir}/secure-reset"
RST[7]="${sysdir}/eth-reset"
RST[8]="${sysdir}/sm1-reset"
# GPSGNSSRESET is now set low during boot and is special cased.
#if ((GPSGNSSRESET)) ; then
# RST[9]="${sysdir}/gnss-reset"
#fi
WPIN[0]="${sysdir}/ap1/cdone"
WPIN[1]="${sysdir}/ap2/cdone"
USLPTIME=60000 # 30 milliseconds from Redpine Signals Reset Spec
WAIT="/bin/busybox usleep ${USLPTIME}"
# Wait 10 WAIT intervals for pins to come high
waitpins() {
((i=0))
while((i < ${#WPIN[@]})) ; do
((j=0))
while [[ -r ${WPIN[$i]} ]] && ! (($(cat ${WPIN[$i]}))) ; do
logger -t "mts-io" -p daemon.error -s "Wait on ${WPIN[$i]}"
${WAIT}
((j++))
if ((j > 10)) ; then
((fail++))
${LOGDBG} -t "mts-io" -p daemon.error -s "Ready failure on ${WPIN[$i]}"
break
fi
done
((i++))
done
}
reset_path() {
pin=$1
${LOGDBG} -t "mts-io" -p daemon.info Reset $pin
if [[ -f ${pin} ]] ; then
if ! ( (echo 1 >${pin}) && ${WAIT} && (echo 0 >${pin}) && ${WAIT} && (echo 1 >${pin}) ) ; then
/usr/bin/logger -t "mts-io" -p daemon.error -s "Failed write to ${pin}"
return 1
fi
sleep 2
${LOGDBG} -t "mts-io" -p daemon.info Completeed reset $pin
else
${LOGDBG} -t "mts-io" -p daemon.info "${pin} does not exist"
fi
return 0
}
reset_array() {
((i=${#RST[@]}-1))
while ((i>=0)) ; do
if [[ -f ${RST[$i]} ]] ; then
if ! ( (echo 1 >${RST[i]}) ) ; then
/usr/bin/logger -t "mts-io" -p daemon.error -s "Failed write to ${RST[$i]}"
fail=1
else
${LOGDBG} -t "mts-io" -p daemon.error -s "Wrote 1 to ${RST[$i]}"
fi
else
${LOGDBG} -t "mts-io" -p daemon.info "${RST[$i]} does not exist"
RST[$i]=""
fi
((i--))
done
((DBG)) && (cd $sysdir ; head gnss-reset eth-reset wifi-bt-reset usbhub-reset | logger -p daemon.info)
((i=${#RST[@]}-1))
while ((i>=0)) ; do
${LOGDBG} -s -p daemon.info "i value is $i RST is ${RST[$i]} count is ${#RST[$i]}"
if ((${#RST[$i]} > 0)) && [[ -f ${RST[$i]} ]] ; then
if ! ( (echo 0 >${RST[i]}) ) ; then
/usr/bin/logger -t "mts-io" -p daemon.error -s "Failed write to ${RST[$i]}"
fail=1
else
${LOGDBG} -t "mts-io" -p daemon.error -s "Wrote 0 to ${RST[$i]}"
:
fi
else
${LOGDBG} -t "mts-io" -p daemon.info "${RST[$i]} does not exist"
fi
((i--))
done
${WAIT}
((DBG)) && (cd $sysdir ; head gnss-reset eth-reset wifi-bt-reset usbhub-reset | logger -p daemon.info)
((i=${#RST[@]}-1))
while ((i>=0)) ; do
if ((${#RST[$i]} > 0)) && [[ -f ${RST[$i]} ]] ; then
if ! ( (echo 1 >${RST[$i]}) ) ; then
/usr/bin/logger -t "mts-io" -p daemon.error -s "Failed write to ${RST[$i]}"
fail=1
else
${LOGDBG} -t "mts-io" -p daemon.error -s "Wrote 1 to ${RST[$i]}"
fi
else
${LOGDBG} -t "mts-io" -p daemon.info "${RST[$i]} does not exist"
fi
((i--))
done
((DBG)) && (cd $sysdir ; head gnss-reset eth-reset wifi-bt-reset usbhub-reset | logger -p daemon.info)
return $fail
}
read_card_info() {
ap1_product_id=""
ap2_product_id=""
if [[ -d $sysdir/ap1 ]]; then
ap1_product_id=$(cat $sysdir/ap1/product-id)
fi
if [[ -d $sysdir/ap2 ]]; then
ap2_product_id=$(cat $sysdir/ap2/product-id)
fi
lora_hw=$(${SYSFS} show lora/hw-version 2> /dev/null)
if [ -d $port1 ] && [[ $(cat $port1/hw-version) = $lora_hw ]]; then
modprobe spidev
ln -sf /dev/spidev32766.2 /dev/spidev0.0
elif [ -d $port2 ] && [[ $(cat $port2/hw-version) = $lora_hw ]]; then
modprobe spidev
ln -sf /dev/spidev32765.2 /dev/spidev0.0
elif [[ ${hw_name} == MTCAP ]]; then
modprobe spidev
elif [[ ${hw_name} == MTCDTIPHP ]]; then
modprobe spidev
ln -sf /dev/spidev32766.2 /dev/spidev0.0
fi
}
mfser_init() {
found_ap1=0
if [[ $ap1_product_id =~ ^MTAC-MFSER- ]]; then
/usr/bin/logger -t "mts-io" -p daemon.info -s "Linking /dev/mfser to /dev/ttyAP1"
ln -sf /dev/ttyAP1 /dev/mfser
found_ap1=1
fi
if [[ $ap2_product_id =~ ^MTAC-MFSER- ]]; then
if [[ $found_ap1 = 1 ]]; then
/usr/bin/logger -t "mts-io" -p daemon.info -s "Linking /dev/mfser-2 to /dev/ttyAP2"
ln -sf /dev/ttyAP2 /dev/mfser-2
else
/usr/bin/logger -t "mts-io" -p daemon.info -s "Linking /dev/mfser to /dev/ttyAP2"
ln -sf /dev/ttyAP2 /dev/mfser
fi
fi
}
set_gpslink() {
[[ -d /var/run/config ]] || mkdir /var/run/config
gpscap=$(cat ${sysdir}/capability/gps)
# For all hardware except MTCDTIPHP, the gpscapability
# flag indicates whether or not we have a GPS.
if ! [[ ${hw_name} =~ ^MTCDTIPHP$ ]] && ((gpscap == 0)) ; then
return
fi
# Oldest MTRV1 uses venuse on ttyS1.
if [[ ${hw_name} == MTRV1 ]] && [[ ${hw} != MTRV1-0.0 ]] ; then
ln -sf /dev/ttyXRUSB0 /dev/gps0
echo "u-blox" >"$GPSCONFIGTYPE"
return
fi
if [[ ${hw_name} == MTR ]] || [[ ${hw_name} == MTRV1 ]] || [[ ${hw_name} == MTHS ]] ; then
ln -sf /dev/ttyS1 /dev/gps0
echo "venus" >"$GPSCONFIGTYPE"
return
fi
if [[ ${hw} == MTCDT ]] && [[ ${HWLVL} == 0.0 ]] ; then
# No GPS
return
fi
if [[ ${hw_name} == MTCDTIPHP ]] ; then
NEED_I2C_RESET=1
ln -sf /dev/ttyXRUSB0 /dev/gps0
return
fi
# Default MTCDT-0.1
echo "u-blox" >"$GPSCONFIGTYPE"
ln -sf /dev/ttyXRUSB2 /dev/gps0
}
case $1 in
start)
# Point the firmware API at our i2c EEPROMs
echo -n ${i2c} > /sys/module/firmware_class/parameters/path
/usr/bin/logger -t "mts-io" -p daemon.info -s "Loading mts-io module"
if ! modprobe mts_io ; then
((fail++))
fi
sethwtype
setdevtree
if ((HASAP == 1)) ; then
# install mtac explicitly or any unused modules will cause
# junk to the log as mtac is loaded and unloaded each time.
modprobe mtac
for f in ${MTAC_MODULES} ; do
modprobe ${f//.ko} 2>&1 | grep -v 'No such device or address'
done
fi
set_gpslink # Set GPS symlink.
/usr/bin/logger -t "mts-io" -p daemon.info -s "Resetting system modules"
read_card_info
has_gnss_reset=0
# On boot, gnss-reset will be low
if [[ -f ${sysdir}/gnss-reset ]] ; then
if (($(mts-io-sysfs show gnss-reset) == 1)) ; then
mts-io-sysfs store gnss-reset 0
fi
has_gnss_reset=1
fi
/bin/busybox usleep $USLPTIME
reset_array
if ((has_gnss_reset)) ; then
mts-io-sysfs store gnss-reset 1
fi
# use radio-reset init script for radio-reset
mfser_init
waitpins
# Fix Telit error -62 and Redpine wrong USB speed detection on reset.
sleep 1
if ! reset_path $USBRST ; then
((fail++))
fi
if ((${#lora_hw} > 0)) && [[ ${lora_hw} =~ ^MTCDTIPHP-LORA-2\.1 ]] ; then
if [[ -x ${LRST} ]] ; then
${LRST} -g -f
else
/usr/bin/logger -t "mts-io" -p daemon.err -s "ERROR: Missing ${LRST} -- Cannot initialize LoRa."
fi
fi
if [[ -d ${DEVTREE} ]] ; then
/bin/umount configfs
fi
if ((fail == 0)) ; then
echo "OK"
else
echo "FAIL"
fi
exit $fail
;;
stop)
/usr/bin/logger -t "mts-io" -p daemon.info -s "Unloading mtac modules and mts-io module"
MTAC_MODULES=$(lsmod | grep '^mtac_' | sed -e 's/_/-/' -e 's/ .*//')
for f in ${MTAC_MODULES} ; do
if ! modprobe -r "$f" ; then
rmmod "$f"
fi
done
if ! modprobe -r mtac ; then
rmmod mtac
fi
if ! modprobe -r mts-io ; then
rmmod mtsio
fi
RETVAL=$?
if ((RETVAL == 0)) ; then
echo "OK"
else
echo "FAIL"
fi
;;
restart)
$0 stop
sleep 1
$0 start
;;
reload)
/usr/bin/logger -t "mts-io" -p daemon.info -s "Resetting system modules"
if ! reset_path $USBRST ; then
((fail++))
fi
/bin/busybox usleep $USLPTIME
reset_array
# Use radio-reset init script for radio-reset
mfser_init
if ((fail == 0)) ; then
echo "OK"
else
echo "FAIL"
fi
exit $fail
;;
status)
if [[ -d ${sysdir} ]] ; then
echo Driver is loaded
exit 0
else
echo Driver is not loaded
exit 3
fi
;;
*)
echo "Usage: $0 {start|stop|status|restart}"
exit 2
;;
esac
|