Merge branch 'master' of https://github.com/pazzarpj/aiomodbus

pazzarpj · Jul 12, 2021 · 4167d23 · 4167d23
2 parents f881529 + 01f959f
commit 4167d23
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/aiomodbus/serial.py b/aiomodbus/serial.py
@@ -164,8 +164,8 @@ async def read_coils(
             0x01,
             address,
             count,
-            decode_packing=">BBB" + "B" * (count // 8 + 1) + "H",
-            packet_length=5 + 1 * (count // 8 + 1),
+            decode_packing=">BBB" + "B" * ((count - 1) // 8 + 1) + "H",
+            packet_length=5 + 1 * ((count - 1) // 8 + 1),
             timeout=timeout,
         )
         return self._upack_bits(*resp[1:])[:count]
@@ -178,8 +178,8 @@ async def read_discrete_inputs(
             0x02,
             address,
             count,
-            decode_packing=">BBB" + "B" * (count // 8 + 1) + "H",
-            packet_length=5 + 1 * (count // 8 + 1),
+            decode_packing=">BBB" + "B" * ((count - 1) // 8 + 1) + "H",
+            packet_length=5 + 1 * ((count - 1) // 8 + 1),
             timeout=timeout,
         )
         return self._upack_bits(*resp[1:])[:count]