cbrake

# /etc/udev/rules.d/99-usb-serial.rules
# udevadm info --attribute-walk -n /dev/ttyUSB0  |grep serial (can be used to get serial number)
# udevadm control --reload-rules (reload rules)
# udevadm trigger (re-add all devices)
# see https://wiki.archlinux.org/index.php/Bus_pirate
# for some reason, ATTRS{bInterfaceNumber}=="00" is not working, hence the use of ENV{}

# single USB/serial adapters
SUBSYSTEM=="tty", ATTRS{serial}=="A900TUKZ", SYMLINK+="ttyUSB_bub_1"
SUBSYSTEM=="tty", ATTRS{serial}=="A700fdWb", SYMLINK+="ttyUSB_bub_2"

cbrake

DESCRIPTION = "Network Hotplug"
LICENSE = "CLOSED"

PR = "r1"

SRC_URI = " \
           file://network@.service \
           file://network.rules \
          "

cbrake

Z Alerts
  Inactive*
    all cond met -> Last Action Active and less 30m since last action?
  Action
    all cond met-> Active
    not all cond met -> Inactive
  Active
    any cond not met -> Check Repeat Limit?
    30m since last action -> Action
  Check Repeat Limit?

cbrake

Sketch 2
  First State
    some event -> Second State
  Second State

cbrake

Powered*
  power failed -> Red On
  Green
    tick -> Yellow
  Yellow
    tick -> Red
  Red
    tick -> Green

Unpowered

cbrake

Powered*
  power failed -> Red On
  Green
    tick -> Yellow
  Yellow
    tick -> Red
  Red
    tick -> Green

Unpowered

cbrake

Powered*
  power failed -> Red On
  Green
    tick -> Yellow
  Yellow
    tick -> Red
  Red
    tick -> Green

Unpowered

cbrake

Keybase proof

I hereby claim:

• I am cbrake on github.
• I am cbrake (https://keybase.io/cbrake) on keybase.
• I have a public key ASBZOtALNM5H4CyxpzaZYhofjWv_xZCEOuWzKXE2ijjhFwo

To claim this, I am signing this object:

cbrake

commit 26da54a68b2c9415da84b27e3f402f822b767310 (HEAD -> devtool, tag: devtool-patched)
Author: Cliff Brake <cbrake@bec-systems.com>
Date:   Thu Jul 6 18:16:59 2017 -0400

    add okvc driver
    
    %% original patch: 0001-add-okvc-driver.patch

commit 2f50a8580a23faea3108d6cc15a052983b047640 (tag: devtool-base, imx-rel_imx_4.1.15_2.0.0_ga-var02)
Author: Felix Radensky <felix.r@variscite.com>

cbrake

#!/usr/bin/env lua

-- the following will eventually fail on lua5.1 and luajit
-- with:
-- 	lua: test-uloop.lua:30: Interrupted system call

uloop = require 'uloop'
uloop.init()

local t