From 93986d97672f2a7bbfd11929ad8f5c7dc7181b5a Mon Sep 17 00:00:00 2001
From: Evgeny Zinoviev <me@ch1p.io>
Date: Fri, 12 Nov 2021 15:12:51 +0300
Subject: add timeout while waiting for i2c calls

---
 si7021d | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'si7021d')

diff --git a/si7021d b/si7021d
index 123fc39..2a1e6c6 100644
--- a/si7021d
+++ b/si7021d
@@ -38,8 +38,12 @@ async def handle_client(reader, writer):
             break
 
         if request == 'read':
-            rh, temp = await si7021_read()
-            data = dict(humidity=rh, temp=temp)
+            try:
+                rh, temp = await asyncio.wait_for(si7021_read(), timeout=3)
+                data = dict(humidity=rh, temp=temp)
+            except asyncio.TimeoutError as e:
+                logger.exception(e)
+                data = dict(error='i2c call timed out')
         else:
             data = dict(error='invalid request')
 
-- 
cgit v1.2.3