From ebd49339a93218129a3c956f76ca34e150773f6f Mon Sep 17 00:00:00 2001
From: Nils Schulte <git@nilsschulte.de>
Date: Thu, 19 Mar 2020 23:46:27 +0100
Subject: [PATCH] scan Wifi b4 connecting

---
 Screens.py | 6 +++++-
 boot.py    | 6 +++---
 upload.sh  | 2 +-
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Screens.py b/Screens.py
index 15512ca..453637a 100644
--- a/Screens.py
+++ b/Screens.py
@@ -19,9 +19,13 @@ class ClockScreen():
         else:
             self.running = False
 
+    self onClicked(button):
+        if button == 0:
+            pass
+
     def __await__(self):
         for i,b in enumerate(self.buttons):
-            b.setCallbacks(onPushDown=lambda i=i:self.stopIfAllPressed(i),onPushUp=lambda i=i:self.leds[i].off())
+            b.setCallbacks(onPushDown=lambda i=i:self.stopIfAllPressed(i),onPushUp=lambda i=i:self.leds[i].off(),onClick=lambda i=i:self.onClicked(i))
         self.running = True
         self.clock.start()
         while self.running:
diff --git a/boot.py b/boot.py
index f3d3aa5..f7a6dc8 100644
--- a/boot.py
+++ b/boot.py
@@ -2,13 +2,13 @@ import network
 import webrepl
 
 webrepl.start()
-
 sta_if = network.WLAN(network.STA_IF)
 sta_if.active(True)
 
+availableNetworkSSIDs = [s[0].decode() for s in sta_if.scan()]
 #load wifi credentials from file
 with open("wifi-credentials","r") as f:
 	ssid = f.readline().replace("\n","")
 	password = f.readline().replace("\n","")
-
-sta_if.connect(ssid,password)
+	if ssid in availableNetworkSSIDs:
+		sta_if.connect(ssid,password)
diff --git a/upload.sh b/upload.sh
index bd8dc11..3396f96 100755
--- a/upload.sh
+++ b/upload.sh
@@ -6,7 +6,7 @@ if [ "$#" != 0 ]; then
 	IP="$1"
 fi
 
-for i in $(ls *.py)
+for i in $(ls *.py $2 )
 do
    if [[ $md5files != *"$(md5sum $i | cut -d' ' -f1)"* ]]; then
        echo $(md5sum $i)