From 7b7eb62535ac2d5ce2370ffec482e73e3eda77db Mon Sep 17 00:00:00 2001
From: Benjamin Braatz <benjamin.braatz@graph-it.com>
Date: Mon, 3 Jan 2022 13:04:43 +0100
Subject: [PATCH] Poll input cards (in case of unreliable interrupt).

---
 controlpi_plugins/pcf8574.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/controlpi_plugins/pcf8574.py b/controlpi_plugins/pcf8574.py
index fe3924e..d981440 100644
--- a/controlpi_plugins/pcf8574.py
+++ b/controlpi_plugins/pcf8574.py
@@ -166,5 +166,7 @@ class InputCard(BasePlugin):
                                                   'state': new_state}))
 
     async def run(self) -> None:
-        """Run no code proactively."""
-        pass
+        """Poll I2C state (in case interrupt doesn't work)."""
+        while True:
+            await asyncio.sleep(0.05)
+            self._read()
-- 
2.34.1