Avoiding app failure if can't switch the ZP USB DCDC on

ZeroPhone · Jan 28, 2019 · ee7bb58 · ee7bb58
1 parent c9ee249
commit ee7bb58
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/apps/keyboard_fallback/main.py b/apps/keyboard_fallback/main.py
@@ -12,7 +12,6 @@
 
 from zerophone_hw import USB_DCDC
 
-dcdc = USB_DCDC()
 
 class KeyboardFallbackApp(ZeroApp):
 
@@ -56,7 +55,11 @@ def process_dm_event(self, event):
             self.c.centered_text("USB kb connected")
         elif event == "custom_i2c_disconnected":
             self.c.centered_text("Keypad not found!")
-            dcdc.on()
+            try:
+                dcdc = USB_DCDC()
+                dcdc.on()
+            except:
+                logger.exception("Can't turn the ZP USB DC-DC on!")
         elif event == "looking_for_usb_keyboard":
             self.c.centered_text("Keypad not found!", ch=16)
             self.c.centered_text("Looking for USB kb")