From 941a5fb12fa59fbe75d1ee4fa680e8a5d4e2f810 Mon Sep 17 00:00:00 2001
From: Christoffer Martinsson <christoffer.martinsson@mildef.com>
Date: Sat, 17 Sep 2022 21:51:45 +0200
Subject: [PATCH] added watchdog and more led indication

---
 main.py | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/main.py b/main.py
index 1d97643..3ac25f5 100644
--- a/main.py
+++ b/main.py
@@ -1,23 +1,34 @@
 import network
 import time
 import config
-from machine import Pin, UART, Timer
+from machine import Pin, UART, WDT
 from umqtt.simple import MQTTClient
 
 prefix = config.MQTT_ID + "/"
 
-led = machine.Pin("LED", machine.Pin.OUT)
+led = Pin("LED", machine.Pin.OUT)
 led.value(1)
+time.sleep_us(200)
+led.value(0)
+time.sleep_us(200)
+led.value(1)
+time.sleep_us(200)
+led.value(0)
+time.sleep_us(200)
+led.value(1)
+
+wdt = WDT(timeout=30000)
 
 wlan = network.WLAN(network.STA_IF)
 wlan.active(True)
 wlan.connect(config.WIFI_SSID, config.WIFI_PASS)
 
-timer = Timer()
-
 while not wlan.isconnected() and wlan.status() >= 0:
     print("Waiting to connect:")
-    time.sleep(1)
+    led.value(1)
+    time.sleep_us(500)
+    led.value(0)
+    time.sleep_us(500)
     
 print("Connected!")
 led.value(0)
@@ -71,6 +82,7 @@ data = ""
 
 while True:
     led.value(0)
+    wdt.feed()
 
     if uart.any():
         led.value(1)