From b2d7c5a4cc80481d98098867e45dddfb1fe68771 Mon Sep 17 00:00:00 2001
From: Valentin Ochs <a@0au.de>
Date: Wed, 10 Mar 2021 17:16:40 +0100
Subject: [PATCH] Variable thresholds

---
 door.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/door.py b/door.py
index 62e4e92..2dcec04 100644
--- a/door.py
+++ b/door.py
@@ -2,6 +2,10 @@
 import os, serial, socket, subprocess, select, datetime, sys
 import argparse
 
+OPEN_THRESHOLD = 35
+CLOSED_THRESHOLD = 60
+CLOSED_WANT = 135
+
 parser = argparse.ArgumentParser()
 parser.add_argument("--serial_port", default="/dev/serial/by-id/usb-Imaginaerraum.de_DoorControl_43363220195053573A002C0-if01")
 parser.add_argument("--nfc_fifo", default="/tmp/nfc_fifo")
@@ -120,10 +124,10 @@ def poll_door_state():
         data = int(data[1])
         state_pos = data
         changed = False
-        if data < 80 and state != OPEN:
+        if data < OPEN_THRESHOLD and state != OPEN:
             state = OPEN
             changed = True
-        elif data > 100 and state != CLOSE:
+        elif data > CLOSED_THRESHOLD and state != CLOSE:
             state = CLOSE
             changed = True
     return state
@@ -154,6 +158,12 @@ def handle_door_state():
     if action == IDLE:
         if state != old_state:
             log("Door changed unexpectedly:", state_names[state])
+            start_time = datetime.datetime.now()
+        if start_time and (datetime.datetime.now() - start_time).total_seconds() >= config.state_timeout:
+            start_time = None
+            if state_pos >= CLOSED_THRESHOLD and state_pos < CLOSED_WANT:
+                log("Closing door a bit more")
+                serial_port.write(target_state_cmd[CLOSE])
         return
 
     # Target state, next action, timeout action