#!/bin/bash
-# Use this to quickly test run the server in valgrind
-#spawn-fcgi -p9005 -n ./valgrind.sh
-# Use this to run the server normally
-#./stream &
+
+# Check existence of program
+if [ ! -e "server" ]; then
+ (echo "Rebuild server.") 1>&2;
+ exit 1
+fi
+
+
+if [[ "$(uname -m)" != *arm* ]]; then
+ echo Not running on the BBB
+ # Use this to quickly test run the server in valgrind
+ #spawn-fcgi -p9005 -n ./valgrind.sh
+ # Use this to run the server normally
+ spawn-fcgi -p9005 -n ./server
+ exit 0
+fi
# Check running as root
if [ "$(whoami)" != "root" ]; then
- (echo "Run $0 as root.") 1>&2
- exit 1
+ (echo "Run $0 as root.") 1>&2
+ exit 1
fi
-# Check existence of program
-if [ ! -e "server" ]; then
- (echo "Rebuild server.") 1>&2;
- exit 1
-fi
+# Rotate the logs
+echo Rotating the system logs
+logrotate -f /etc/logrotate.d/mctxserv.conf
# Identify cape-manager slots
slot=$(echo /sys/devices/bone_capemgr.*/slots | awk '{print $1}')
pwm=/sys/class/pwm/
# Load PWM module
-#modprobe pwm_test
-(echo am33xx_pwm > $slot) 1>&2 >> /dev/null
-#for port in P9_21 P9_22 P9_14 P9_16 P9_29 P9_31 P9_42 P8_13 P8_19 P8_34 P8_36 P8_45 P8_46; do
-# echo bone_pwm_$port > $slot
-#done
-echo 0 > $pwm/export
-echo 1 > $pwm/export
-echo bone_pwm_P9_21 > $slot
-echo bone_pwm_P9_22 > $slot
+if [ $(cat $slot | grep am33xx_pwm -c) -gt 0 ]; then
+ echo am33xx_pwm already loaded, not loading again;
+else
+ echo Enabling PWM driver am33xx_pwm
+ echo am33xx_pwm > $slot
+fi;
+
+# Safe pins that won't interfere with one another
+#ports=(P9_22 P9_42 P9_16 P8_13 P9_28);
+#portnumbers=(0 2 4 6 7);
+#Full correspondence from pwm0-pwm7
+ports=(P9_22 P9_21 P9_42 P9_14 P9_16 P8_19 P8_13 P9_28);
+portnumbers=(0 1 2 3 4 5 6 7);
+# Enable PWM pins
+# They must be exported at this stage, before the device tree
+# overlay for that pin is enabled.
+for ((c=0; c < ${#ports[*]}; c++)); do
+ if [ ! -d $pwm/pwm${portnumbers[$c]} ]; then
+ echo Exporting PWM ${portnumbers[$c]} \(${ports[$c]}\)
+ echo ${portnumbers[$c]} > $pwm/export
+ else
+ echo PWM ${portnumbers[$c]} already enabled
+ fi;
+
+ if [ $(cat $slot | grep ${ports[$c]} -c) -gt 0 ]; then
+ echo PWM pin ${ports[$c]} already enabled, not enabling again
+ else
+ (echo bone_pwm_${ports[$c]} > $slot) 1>&2 >> /dev/null
+ fi;
+done;
# Load ADCs
-(echo cape-bone-iio > $slot) 1>&2 >> /dev/null
+if [ $(cat $slot | grep BB-ADC -c) -gt 0 ]; then
+ echo BB-ADC already loaded, not loading again;
+else
+ echo Enabling BB-ADC
+ (echo BB-ADC > $slot) 1>&2 >> /dev/null
+fi;
+
# Find adc_device_path
# NOTE: This has to be passed as a parameter, because it is not always the same. For some unfathomable reason. Hooray.
-adc_device_path=$(dirname $(find /sys -name *AIN0))
+#adc_device_path=$(dirname $(find /sys -name *AIN0))
+# Get the parameters
+. parameters
+
+echo "Parameters are: $parameters"
+
# Run the program with parameters
# TODO: Can tell spawn-fcgi to run the program as an unprivelaged user?
# But first will have to work out how to set PWM/GPIO as unprivelaged user
+# NOTE: Having the program automatically restart itself after a *FATAL ERROR* doesn't seem like such a good idea now
+# (Some things that call Fatal happen under circumstances where they will just keep calling Fatal every time the program starts)
+# Change the number of fails to 1 for now. We can potentially use different error codes for different types of errors, but that seems overkill.
fails=0
-while [ $fails -lt 10 ]; do
- spawn-fcgi -p9005 -n -- ./server -a "$adc_device_path"
- if [ "$?" == "0" ]; then
- exit 0
- fi
- fails=$(( $fails + 1 ))
- (echo "Restarting server after Fatal Error #$fails") 1>&2
-
+while [ $fails -lt 1 ]; do
+ spawn-fcgi -p9005 -n -- ./server $parameters
+ error=$?
+ if [ "$error" == "0" ]; then
+ exit 0
+ fi
+ fails=$(( $fails + 1 ))
+ (echo "Restarting server after Fatal Error #$fails") 1>&2
+
done
(echo "Server had too many Fatal Errors ($fails)") 1>&2
exit $fails
-