Update buildroot stuff
This commit is contained in:
parent
230397f0da
commit
9f02fba74a
3
.gitmodules
vendored
3
.gitmodules
vendored
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[submodule "buildroot"]
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path = buildroot
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url = https://github.com/buildroot/buildroot.git
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[submodule "door_control"]
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path = door_control
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url = ssh://irgit@imaginaerraum.de:2201/apo/DoorControl.git
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2
br_external/Config.in
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2
br_external/Config.in
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source "$BR2_EXTERNAL_DOOR_PI_PATH/package/poll_desfire/Config.in"
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source "$BR2_EXTERNAL_DOOR_PI_PATH/package/libfreefare_git/Config.in"
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1
br_external/external.desc
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1
br_external/external.desc
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name: DOOR_PI
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1
br_external/external.mk
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1
br_external/external.mk
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include $(sort $(wildcard $(BR2_EXTERNAL_DOOR_PI_PATH)/package/*/*.mk))
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12
br_external/package/libfreefare_git/Config.in
Normal file
12
br_external/package/libfreefare_git/Config.in
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config BR2_PACKAGE_LIBFREEFARE_GIT
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bool "libfreefare (git)"
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depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
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select BR2_PACKAGE_OPENSSL
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select BR2_PACKAGE_LIBNFC
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help
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Library for high level manipulation of MIFARE cards.
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http://nfc-tools.org/index.php?title=Libfreefare
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comment "libfreefare needs a toolchain w/ threads"
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depends on !BR2_TOOLCHAIN_HAS_THREADS
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18
br_external/package/libfreefare_git/libfreefare_git.mk
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br_external/package/libfreefare_git/libfreefare_git.mk
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################################################################################
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#
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# libfreefare
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#
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################################################################################
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LIBFREEFARE_GIT_VERSION = e95406c
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# Do not use the github helper here, the generated tarball is *NOT*
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# the same as the one uploaded by upstream for the release.
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LIBFREEFARE_GIT_SITE = $(call github,nfc-tools,libfreefare,$(LIBFREEFARE_GIT_VERSION))
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LIBFREEFARE_GIT_DEPENDENCIES = host-pkgconf libnfc openssl
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LIBFREEFARE_GIT_INSTALL_STAGING = YES
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LIBFREEFARE_GIT_LICENSE = LGPL-3.0+ with exception
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LIBFREEFARE_GIT_LICENSE_FILES = COPYING
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LIBFREEFARE_GIT_CONF_ENV += LIBS=`$(PKG_CONFIG_HOST_BINARY) --libs openssl`
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LIBFREEFARE_GIT_AUTORECONF = YES
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$(eval $(autotools-package))
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7
br_external/package/poll_desfire/Config.in
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7
br_external/package/poll_desfire/Config.in
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config BR2_PACKAGE_POLL_DESFIRE
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bool "poll_desfire"
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select BR2_PACKAGE_LIBFREEFARE_GIT
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help
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poll desfire cards
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https://git.imaginaerraum.de/apo/PollDesfire
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19
br_external/package/poll_desfire/poll_desfire.mk
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br_external/package/poll_desfire/poll_desfire.mk
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POLL_DESFIRE_VERSION = 0.0.1
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POLL_DESFIRE_SOURCE = poll_desfire_v$(POLL_DESFIRE_VERSION).tar.gz
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POLL_DESFIRE_SITE = https://git.imaginaerraum.de/apo/PollDesfire/archive
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POLL_DESFIRE_DEPENDENCIES = libfreefare_git host-pkgconf
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POLL_DESFIRE_LICENSE = GPL-3.0
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define POLL_DESFIRE_BUILD_CMDS
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$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) all
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endef
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define POLL_DESFIRE_INSTALL_STAGING_CMDS
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$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) PREFIX=$(STAGING_DIR) install
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endef
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define POLL_DESFIRE_INSTALL_TARGET_CMDS
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$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) PREFIX=$(TARGET_DIR) install
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endef
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$(eval $(generic-package))
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1
door_control
Submodule
1
door_control
Submodule
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Subproject commit e48f0f63385f5990440524c66ba925466f8e292f
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Binary file not shown.
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#!/usr/bin/python
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import os, serial, socket, subprocess, select, datetime, sys
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import paho.mqtt.client as mqcl
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import argparse
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OPEN_THRESHOLD = 80
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CLOSED_THRESHOLD = 100
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CLOSED_WANT = 160
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parser = argparse.ArgumentParser()
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parser.add_argument("--serial_port", default="/dev/serial/by-id/usb-Imaginaerraum.de_DoorControl_43363220195053573A002C0-if01")
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parser.add_argument("--nfc_fifo", default="/tmp/nfc_fifo")
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parser.add_argument("--control_socket", default="/tmp/nfc.sock")
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parser.add_argument("--valid_tokens", default="/etc/door_tokens")
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parser.add_argument("--log_file", default="/tmp/nfc.log")
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parser.add_argument("--state_timeout", type=float, default=10)
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parser.add_argument("--repeat_time", type=float, default=5)
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parser.add_argument("--mqtt_host", default="10.10.21.2")
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config = parser.parse_args()
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mqttc = mqcl.Client()
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def timestamp():
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return datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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# Log data to stdout and the log file
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def log(*args):
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data = "%s %s" % (timestamp(), " ".join(str(i) for i in args))
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lgf.write(data + "\n")
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lgf.flush()
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print(data)
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def mqtt(topic, msg, persistent = True):
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mqttc.publish("door/" + topic, msg, qos=2, retain=persistent)
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# Opens the socket that can control the daemon
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# Commands are TBD
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def open_control_socket():
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global control_socket
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global config
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global comm_channels
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if os.path.exists(config.control_socket):
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os.unlink(config.control_socket)
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control_socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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control_socket.bind(config.control_socket)
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control_socket.listen(5)
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comm_channels = []
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# Opens the serial port to talk to the lock actuator
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# Might return a failure. In that case, it will be tried again later
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def open_serial_port():
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global serial_port
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global config
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try:
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serial_port = serial.Serial(config.serial_port, timeout=2)
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except:
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serial_port = None
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pass
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# Detected tokens are passed in through a FIFO
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def open_nfc_fifo():
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global nfc_fifo
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global config
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nfc_fifo = open(config.nfc_fifo, "r")
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# Refresh valid tokens from the configured file
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def read_valid_tokens():
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global valid
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global config
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try:
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log("Loading tokens")
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valid = {}
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lines =[ s.strip() for s in open(config.valid_tokens, "r").readlines() ]
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for l in lines:
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l = l.split(' ', 1)
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if len(l) > 1:
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if l[0] in valid:
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log("Warning: Overwriting token %s" % (l[0],))
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log("Got token: %s (%s)" % (l[0], l[1]))
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valid[l[0]] = l[1]
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else:
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log("Got unnamed token: %s" % (l[0],))
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valid[l[0]] = None
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except:
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valid = {}
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log("Error reading token file")
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raise
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# Opens the log file for writing
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def open_logfile():
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global lgf
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global config
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lgf = open(config.log_file, "a+")
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# Actions
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IDLE, CLOSE, OPEN_THEN_CLOSE, OPEN, CLOSE_THEN_OPEN = range(5)
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state_names = {
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OPEN: "open",
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CLOSE: "close"
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}
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action_names = {
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IDLE: "idling",
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OPEN: "waiting for open door",
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CLOSE: "waiting for closed door",
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OPEN_THEN_CLOSE: "waiting for open door, then closing again",
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CLOSE_THEN_OPEN: "waiting for closed door, then opening again"
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}
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# Current door state
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state = None
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state_pos = 0
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# Current target action
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action = CLOSE
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# Start time of the current action
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start_time = None
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# How often the action was repeated
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repeats = 0
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# Read the state of the door from the serial port
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def poll_door_state():
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global state
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global state_pos
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global serial_port
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serial_port.reset_input_buffer()
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serial_port.write(b"R")
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data = serial_port.readline().strip().split()
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if data[0] == b'pos:':
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data = int(data[1])
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if state_pos != data:
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mqtt("position/value", data, True)
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state_pos = data
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changed = False
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if data < OPEN_THRESHOLD and state != OPEN:
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state = OPEN
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changed = True
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mqtt("state/value", "open", True)
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elif data > CLOSED_THRESHOLD and state != CLOSE:
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state = CLOSE
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changed = True
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mqtt("state/value", "closed", True)
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return state
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# Check the door state and send commands through a state machine
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def handle_door_state():
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global action, target, serial_port, start_time, repeats
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# Commands associated with each target state
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target_state_cmd = {
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OPEN: b'O',
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CLOSE: b'C'
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}
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old_state = state
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# If no serial port, try to open it or return
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if not serial_port:
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try:
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open_serial_port()
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except:
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return
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# Get new state
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poll_door_state()
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# Idle + change = key?
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if action == IDLE:
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if state != old_state:
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log("Door changed unexpectedly:", state_names[state])
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start_time = datetime.datetime.now()
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if start_time and (datetime.datetime.now() - start_time).total_seconds() >= config.state_timeout:
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start_time = None
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if state_pos >= CLOSED_THRESHOLD and state_pos < CLOSED_WANT:
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log("Closing door a bit more")
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serial_port.write(target_state_cmd[CLOSE])
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return
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# Target state, next action, timeout action
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actions = {
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OPEN: (OPEN, IDLE, CLOSE_THEN_OPEN ),
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CLOSE: (CLOSE, IDLE, OPEN_THEN_CLOSE ),
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OPEN_THEN_CLOSE: (OPEN, CLOSE, CLOSE ),
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CLOSE_THEN_OPEN: (CLOSE, OPEN, OPEN )
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}
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if start_time == None:
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start_time = datetime.datetime.now()
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serial_port.write(target_state_cmd[actions[action][0]])
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# Target state reached
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if state == actions[action][0]:
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# Select next action, reset start time and repetitions
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action = actions[action][1]
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start_time = datetime.datetime.now()
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repeats = 0
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# On idle, we're done
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if action == IDLE:
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log("Reached target position:", state_names[state])
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return
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# Execution time
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t = (datetime.datetime.now() - start_time).total_seconds()
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if t >= config.state_timeout:
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# Timeout -> switch to timeout action
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action = actions[action][2]
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start_time = None
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repeats = 0
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log("Timeout. Switching to", action_names[action])
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elif t >= (1 + repeats) * config.repeat_time:
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# Repeat every couple of seconds
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repeats += 1
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serial_port.write(target_state_cmd[actions[action][0]])
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log("Repeating command:", target_state_cmd[actions[action][0]])
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def open_door():
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global action
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global start_time
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log("Opening the door")
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action = OPEN
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start_time = None
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mqtt("state/target", "open", True)
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handle_door_state()
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def close_door():
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global action
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global start_time
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log("Closing the door")
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action = CLOSE
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start_time = None
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mqtt("state/target", "closed", True)
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handle_door_state()
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def toggle_door_state():
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global state, action
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if state == CLOSE:
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open_door()
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else:
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close_door()
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def handle_nfc_token(token = None):
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global valid
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if not token:
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token = nfc_fifo.readline()
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if token == "":
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open_nfc_fifo()
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token = token.strip()
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if token in valid:
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name = valid[token]
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if name:
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name = "%s (%s)" % (token, name)
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else:
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name = token
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log("Valid token: %s" % name)
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toggle_door_state()
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else:
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log("Invalid token:", token)
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mqtt("token/last_invalid", "%s;%s" % (timestamp(), token))
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class LineBuffer(object):
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def __init__(self, f, handler):
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self.data = b''
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self.f = f
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self.handler = handler
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def update(self):
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data = self.f.recv(1024)
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if not data:
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return False
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self.data += data
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d = self.data.split(b'\n')
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d, self.data = d[:-1], d[-1]
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for i in d:
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self.handler(self.f, i)
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return True
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def handle_cmd(comm, data):
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cmd = data.decode('utf8').split()
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cmd, args = cmd[0], cmd[1:]
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log("Got command:", data)
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send = lambda x: comm.send(x.encode('utf8'))
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if cmd == 'fake':
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log("Faking token", args[0])
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send("Handling token\n")
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handle_nfc_token(args[0])
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elif cmd == 'open':
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log("Control socket opening door")
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send("Opening door")
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open_door()
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elif cmd == 'close':
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log("Control socket closing door")
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send("Closing door")
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close_door()
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elif cmd == 'rld':
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log("Reloading tokens")
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send("Reloading tokens")
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read_valid_tokens()
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elif cmd == 'stat':
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send("Door status is %s, position is %d. Current action: %s (%g seconds ago)\n" % (
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state_names.get(state, "None"),
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state_pos,
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action_names[action],
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(datetime.datetime.now() - start_time).total_seconds()))
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open_logfile()
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read_valid_tokens()
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open_nfc_fifo()
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open_serial_port()
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open_control_socket()
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mqttc.on_connect = lambda client, userdata, flags, rc: log("Connected to mqtt host with result %s" % (str(rc), ))
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mqttc.connect_async(config.mqtt_host, keepalive = 60)
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mqttc.loop_start()
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buffers = {}
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while True:
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readable = select.select([ nfc_fifo, control_socket ] + comm_channels, [], [], 1)[0]
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for c in readable:
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if c == nfc_fifo:
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handle_nfc_token()
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elif c == control_socket:
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log("Got connection")
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sock = control_socket.accept()[0]
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buffers[sock] = LineBuffer(sock, handle_cmd)
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comm_channels += [sock]
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else:
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if not buffers[c].update():
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log("Lost connection")
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del buffers[c]
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comm_channels.remove(c)
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handle_door_state()
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