tweak

shittyrobot.py

@@ -4,6 +4,7 @@ import socket
 import select
 import neopixel
 from machine import Pin
+import errno
 
 def do_connect(tries=0):
     if tries > 3:
@@ -32,11 +33,22 @@ def do_connect(tries=0):
 def do_ap():
     ap_if = network.WLAN(network.WLAN.IF_AP)
     ap_if.active(True)
-    ap_if.config(ssid='My AP123', channel=11, key='asdf1234')
+    ap_if.config(ssid='My AP123', channel=13, key='asdf1234')
     ap_if.ifconfig(('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
     print(ap_if.config('ssid'))
     print(ap_if.config('channel'))
     print('AP ready.')
+
+    # wait for someone to connect
+    for i in range(30):
+        if ap_if.isconnected():
+            print('Client connected')
+            return
+        time.sleep(1)
+
+    # reset device
+    print('Timeout waiting for client. Resetting device..')
+    machine.reset()
         
 
 def setup_listener():
@@ -144,9 +156,16 @@ def mainloop(l):
             if debug:
                 print('RCV: ', a)
             y.write(a)
-        except OSError:
-            # timeout
-            a = b'x'
+        except OSError as e:
+            if e.errno == errno.EWOULDBLOCK or e.errno == errno.EAGAIN:
+                # timeout
+                a = b'x'
+            else:
+                # socket error
+                if debug:
+                    print('Socket error: ', e)
+                y.close()
+                mainloop(l)
         if a == b'':
             # EOF
             y.close()