Directory StructureΒΆ

The following directory structure is used.

  • /root/OpenXCAccessory:
Directory Name Description
bluez-test-script BlueZ 5.23 test scripts (1)
openxc-python OpenXC Python development platform. (1)
startup Base board startup scripts (1)
common Common Software for OpenXC-Modem/OpenXC-V2X
modem Modem specific software
backup Place holder for Firmware Factory Reset and current software versions. Also has backup of configuration files such as WiFi, xc.conf, boardid, and topology
etc wpa configuration files for modem, V2X, and RSU
V2X V2X specific Software (1)
rsu RSU specific Software

Note

1 - Not covered in this document

  • /root/OpenXCAccessory/common
File Name Description
xcmodem_boardid

Hidden file to specify board type: where board_type is

board _type = {
  1. {‘type’: ‘MODEM-EVT’, ‘prefix’: ‘OpenXC-VI-MODEM’}, # OpenXC-Modem EVT
  2. {‘type’: ‘MODEM-DVT’, ‘prefix’: ‘OpenXC-VI-MODEM’}, # OpenXC-Modem DVT
  3. {‘type’: ‘V2X’ , ‘prefix’: ‘OpenXC-VI-V2X’} # OpenXC-V2X
  4. {‘type’: ‘RSU’ , ‘prefix’: ‘OpenXC-VI-V2X’} # OpenXC-V2X

}
xcmodem_topology

File to specify the config mode/topology

  1. Topology 1
  2. Topology 2
  3. Topology 3
xc_led.py LED unit test
xc_ser.py

Serial Terminal Emulator

Usage: xcmodem_ser.py [-h] dev
where dev: Serial Device
xc_cmd.py OpenXC-Modem application command handler and unit test
xc_app.py OpenXC-Modem application (Mobile / PC) agent and unit test
xc_vi.py OpenXC-Modem Vehicle Interface agent and unit test
xcmodem.conf.web OpenXC-Modem auto start script, used during board startup
xc.conf Local user variable options configuration file. This file is common to Modem, V2X and RSU
xc_rsu_common.py File for RSU functions that are common to V2X and RSU
ota_upgrade.py File for OTA upgrade functions
xc_ver.py PpenXC-Modem version
xc_scp.pem RSA Private Key
xc.common.py OpenXC-Modem common functions
cleanup.py RSU cleanup
  • /root/OpenXCAccessory/modem: (applicable for OpenXC Modem Accessory only)
File Name Description
xc.conf Link to the xc.conf file in common directory
xcmodem.conf.web Downloaded configuration file from remote server, if applicable
xcmodem.conf.bk Configuration backup file which is generated during upgrading process
xcmodem.conf.cur All options value currently in effect
trace_raw.json Current raw VI stream snapshot in json format
trace_raw_bk.json Back up of current raw VI stream snapshot to be processed for uploading
trace.json Modified upload-able VI stream snapshot in json format
xcmodem_gsm.py GSM agent and unit test
xcmodem_gsm.sh GSM debug shell script
xcmodem_gps.py GPS agent and unit test
xcmodem_gps.sh GPS debug shell script
  • /root/OpenXCAccessory/backup:
File Name Description
factory Directory to store factory released SW version info (upgrade.ver) and its upgraded package
current Directory to store current SW version info (upgrade.ver) and its upgraded package
other Directory to store backup of wpa_supplicant config files for Modem, V2X, RSU, and xc.conf before upgrade is performed. Boardid and topology are also backed up
previous Directory for previous SW version during over-the-air auto upgrade, if applicable
  • /root/OpenXCAccessory/v2x: (applicable for OpenXC V2X Accessory only)
File Name Description
xc.conf Link to the xc.conf file in common directory
xc_scp.pem PEM key file to access AWS
xc.conf.cur All options value currently in effect
xc_v2x.py V2X-MODEM MD client agent and unit test
  • /root/OpenXCAccessory/etc:
File Name Description
create_symlinks.sh Remove and replace exisiting .etc files with new files
wpa_supplicant_modem.conf Overwrite modem configuration file whenever changed
wpa_supplicant_rsu.conf Overwrite RSU configuration file whenever changed
wpa_supplicant_v2x.conf Overwrite V2X configuration file whenever changed
wpa_supplicant_v2x_top2.conf Overwrite V2X configuration file whenever changed in Topology 2
  • RSU: (applicable for OpenXC V2X Accessory only)
File Name Description
xc_rsu.py V2X-MODEM MD client agent and unit test
rsu_fn.py File for RSU specific functions e.g. garage