From 1eb7b8c508321e193c7f705ae12bef0cdfcbe782 Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Sat, 4 Jan 2020 21:05:01 -0700
Subject: [PATCH] Start door controller fix

---
 .gitignore       | 108 +++++++++++++++++++++++++++++++++++++++++++++++
 main.py          |  69 ++++++++++++++++++++++++++++++
 requirements.txt |   2 +
 3 files changed, 179 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 main.py
 create mode 100644 requirements.txt

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..51a898a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,108 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+# Editor
+*.swp
+*.swo
+
+# DB
+db.sqlite3
+
+cardexport.json
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..9f9f86e
--- /dev/null
+++ b/main.py
@@ -0,0 +1,69 @@
+import logging
+logging.basicConfig(
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+    level=logging.INFO)
+
+import os
+import json
+import sys
+#import RPi.GPIO as GPIO
+import serial
+import time
+
+RELAY_PIN = 17
+RFID_EN_PIN = 27
+CARDS_FILE = 'cardexport.json'
+
+ser = None
+recent = {}
+cards = {}
+
+def init():
+    global ser
+
+    #GPIO.setwarnings(False)
+    #GPIO.setmode(GPIO.BCM)
+    #GPIO.setup(RELAY_PIN, GPIO.OUT)
+    #GPIO.output(RELAY_PIN, GPIO.LOW)
+    #GPIO.setup(RFID_EN_PIN, GPIO.OUT)
+    #GPIO.output(RFID_EN_PIN, GPIO.LOW)
+    logging.info('GPIO initialized.')
+
+    #ser = serial.Serial(port='/dev/ttyAMA0', baudrate=2400, timeout=0.1)
+    logging.info('Serial initialized.')
+
+    with open(CARDS_FILE, 'r') as f:
+        cards = json.load(f)
+    logging.info('Read in {} card numbers.'.format(str(len(cards))))
+
+
+
+def loop():
+    card = ser.readline()
+    if not card:
+        return
+
+    card = card.strip()
+    if len(card) != 10:
+        return
+
+    now = time.time()
+    if card in recent:
+        if now - recent[card] < 5.0:
+            recent[card] = now
+            return
+    recent[card] = now
+
+    logging.info('Read card # ' + card)
+    handle_card_read(card)
+
+if __name__ == '__main__':
+    logging.info('Initializing...')
+    init()
+
+    logging.info('Running main loop...')
+    try:
+        while True:
+            loop()
+    except KeyboardInterrupt:
+        logging.info('Exiting...')
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4386cea
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+pkg-resources==0.0.0
+pyserial==3.4