# Detect devices attached to the USB hub or directly to the beaglebone.
# We need to know which USB port each device is in, so we can
# label data streams appropriately.
# (e.g. assign a physical antenna or microphone ID to each audio stream)
#
# USB Hub:
#   create symlink in /dev/usb_hub_port_nums.txt to a file giving the map
#   between usb device path and port number.  Only works for hubs we've 
#   created these files for.
# 
# Disk drives:
#   mount under /media/disk.port=X.name=Y
#   make alias at /dev/bonedongle/disk.port=X.name=Y
#
# GPS:
#   make alias at /dev/bonedongle/gps.port=X
#
# Audio device (e.g. funcube)
#   make alias at /dev/bonedongle/DDD.port=X.alsaDev=Y.usbPath=Z
#   where DDD is one of:
#    funcubePro
#    funcubeProPlus
#    usbAudio
#   
# Heavily modified from Arch linux file media-by-label-auto-mount.rules

# uncomment the following block for debug info
#ACTION=="add",IMPORT{program}="/bin/sh -c 'echo Add %p %k >> /tmp/rules.txt'",GOTO="main"
#ACTION=="remove",IMPORT{program}="/bin/sh -c 'echo Remove %p %k >> /tmp/rules.txt'",GOTO="main"
#ACTION=="change",IMPORT{program}="/bin/sh -c 'echo Change %p %k >> /tmp/rules.txt'",GOTO="main"
#IMPORT{program}="/bin/sh -c 'echo Unknown %p %k >> /tmp/rules.txt'"

SUBSYSTEM!="usb",GOTO="not_usb_hub"

## detect USB hubs
LABEL="main"
KERNEL!="1-1",GOTO="not_usb_hub"
ACTION=="add",ATTR{idVendor}=="1a40",ATTR{idProduct}=="0201",GOTO="GWC_HU2SA0R"
ACTION=="add",ATTR{idVendor}=="05e3",ATTR{idProduct}=="0610",GOTO="DLINK_DUBH7"
ACTION=="add",ATTR{idVendor}=="050d",ATTR{idProduct}=="0416",GOTO="STAPLES_BELKIN"
ACTION!="remove",GOTO="done"
IMPORT{program}="/bin/rm -f /dev/usb_hub_port_nums.txt"
GOTO="done"

LABEL="GWC_HU2SA0R"
IMPORT{program}="/bin/rm -f /dev/usb_hub_port_nums.txt"
IMPORT{program}="/bin/ln -s /home/bone/proj/bonedongle/udev-rules/hub_GWC_HU2SA0R_portnums.txt /dev/usb_hub_port_nums.txt"
GOTO="done"

LABEL="DLINK_DUBH7"
IMPORT{program}="/bin/rm -f /dev/usb_hub_port_nums.txt"
IMPORT{program}="/bin/ln -s /home/bone/proj/bonedongle/udev-rules/hub_DLINK_DUBH7_portnums.txt /dev/usb_hub_port_nums.txt"
GOTO="done"

LABEL="STAPLES_BELKIN"
IMPORT{program}="/bin/rm -f /dev/usb_hub_port_nums.txt"
IMPORT{program}="/bin/ln -s /home/bone/proj/bonedongle/udev-rules/hub_STAPLES_BELKIN_portnums.txt /dev/usb_hub_port_nums.txt"
GOTO="done"

####################  END OF HUB DETECTION #######################
LABEL="not_usb_hub"
###################  START OF DISK DETECTION #####################

KERNEL!="sd[a-z][0-9]",KERNEL!="sd[a-z]",GOTO="not_disk"
ACTION!="add", GOTO="not_add_disk"
# don't try to mount the root device itself
KERNEL!="sd[a-z][0-9]",GOTO="done"
IMPORT{program}="/sbin/blkid -o udev -p %N"
IMPORT{program}="/usr/bin/gawk -f /home/bone/proj/bonedongle/scripts/get_usb_device_port_number.awk %p"

# Disk: import FS info
ENV{mount_dir}="disk_port%E{PORT_NUM}-%n"
ENV{disk_name}="disk.port=%E{PORT_NUM}.name=%k.mount=%E{mount_dir}"
# Global mount options
ENV{mount_options}="defaults,relatime,users"
# Filesystem-specific mount options
ENV{ID_FS_TYPE}=="vfat", ENV{mount_options}="%E{mount_options},gid=100,umask=002,utf8"
ENV{ID_FS_TYPE}=="ext4", ENV{mount_options}="%E{mount_options},group,users,suid"
ENV{ID_FS_TYPE}=="ntfs", ENV{mount_options}="%E{mount_options},gid=100,umask=002,utf8 -tntfs-3g"
SYMLINK+="bonedongle/%E{disk_name}"

# Mount the device
MODE:="0666"
ENV{PORT_NUM}!="0",RUN+="/bin/mkdir -p /media/%E{mount_dir}", RUN+="/bin/mount -o %E{mount_options} /dev/%k /media/%E{mount_dir}"
GOTO="done"

LABEL="not_add_disk"
# Clean up after removal
ACTION!="remove",GOTO="done"
IMPORT{program}="/sbin/blkid -o udev -p %N"
IMPORT{program}="/usr/bin/gawk -f /home/bone/proj/bonedongle/scripts/get_usb_device_port_number.awk %p"
ENV{mount_dirs}="port%E{PORT_NUM}_disk*"
ENV{PORT_NUM}!="",RUN+="/bin/sh -c 'for DEV in /media/%E{mount_dirs}; do umount -l $DEV; rmdir $DEV; done'"
GOTO="done"

###################  END OF DISK DETECTION #####################
LABEL="not_disk"
################# START OTHER DEVICE DETECTION #################

## detect funcube dongles
ACTION=="add",SUBSYSTEMS=="usb",ATTRS{idVendor}=="04d8",ATTRS{idProduct}=="fb56",ENV{MYDEVNAME}="funcubePro",GOTO="usbaudio"
ACTION=="add",SUBSYSTEMS=="usb",ATTRS{idVendor}=="04d8",ATTRS{idProduct}=="fb31",ENV{MYDEVNAME}="funcubeProPlus",GOTO="usbaudio"

## detect PL2303 serial port and assume it's a GPS (FIXME!)
ACTION=="add",SUBSYSTEMS=="usb",ATTRS{idVendor}=="067b",ATTRS{idProduct}=="2303",KERNEL=="tty*",GOTO="pl2303gps"

## detect sensorgnome PPSGPS (with our own custom local VID/PID)
ACTION=="add",SUBSYSTEMS=="usb",ATTRS{idVendor}=="bd09",ATTRS{idProduct}=="0001",GOTO="sg_ppsgps"

## any other sound device is assumed to be USB audio
ACTION=="add",SUBSYSTEMS=="sound",ENV{MYDEVNAME}="usbAudio",GOTO="usbaudio"

## otherwise, we ignore this event
GOTO="done"

# pl2303gps serial port: add a link indicating which port the device is in
LABEL="pl2303gps"
IMPORT{program}="/bin/stty -F /dev/ttyUSB%n 4800"
IMPORT{program}="/usr/bin/gawk -f /home/bone/proj/bonedongle/scripts/get_usb_device_port_number.awk %p"
MODE:="0666"
ENV{PORT_NUM}!="",SYMLINK+="bonedongle/gps.port=%E{PORT_NUM}.pps=0",SYMLINK+="gps0",TAG+="systemd"
GOTO="done"

# sensorgnome PPSGPS: a US Globalsat MR350P serial GPS interfaced via an FTDI EVAL232R board,
# with PPS signal going directly to GPIO pin 48 (= pin 15 on jumper P9)
LABEL="sg_ppsgps"
IMPORT{program}="/sbin/modprobe ftdi_sio product=0x0001 vendor=0xbd09"
IMPORT{program}="/bin/stty -F /dev/ttyUSB%n 4800"
IMPORT{program}="/usr/bin/gawk -f /home/bone/proj/bonedongle/scripts/get_usb_device_port_number.awk %p"

MODE:="0666"
ENV{PORT_NUM}!="",SYMLINK+="bonedongle/gps.port=%E{PORT_NUM}.pps=1",SYMLINK+="gps0",TAG+="systemd"
GOTO="done"

# any usb audio device
LABEL="usbaudio"
MODE:="0666"
IMPORT{program}="/usr/bin/gawk -f /home/bone/proj/bonedongle/scripts/get_usb_device_port_number.awk %p"
DRIVERS=="usb",KERNEL=="controlC[0-9]",SYMLINK+="bonedongle/%E{MYDEVNAME}.port=%E{PORT_NUM}.alsaDev=%n.usbPath=%s{busnum}:%s{devnum}"
GOTO="done"

LABEL="done"
# Exit