Check I2C::Bus instance exists before updating it

denko-rb · Sep 27, 2024 · 0e4acb1 · 0e4acb1
1 parent 7ff144d
commit 0e4acb1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/denko/board.rb b/lib/denko/board.rb
@@ -97,7 +97,8 @@ def update(line)
       match = pin.match /\AI2C(\d*)/
       if match
         dev_index = match[1].to_i
-        hw_i2c_devs[dev_index].update(message)
+        dev = hw_i2c_devs[dev_index]
+        dev.update(message) if dev
         return
       end