From 0f33a31ee559ba5fbb58e7e4b4dfe26c37f6cb71 Mon Sep 17 00:00:00 2001
From: Artem Chepurnyi <mail@artemchep.com>
Date: Sat, 29 Jun 2024 16:44:44 +0300
Subject: [PATCH] fix: Correctly read battery packs' values - wait before
 setting the target pack number #109

---
 .../bluetti_bt/bluetti_bt_lib/bluetooth/device_reader.py     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/custom_components/bluetti_bt/bluetti_bt_lib/bluetooth/device_reader.py b/custom_components/bluetti_bt/bluetti_bt_lib/bluetooth/device_reader.py
index 6dd6fd0..bbb3be4 100644
--- a/custom_components/bluetti_bt/bluetti_bt_lib/bluetooth/device_reader.py
+++ b/custom_components/bluetti_bt/bluetti_bt_lib/bluetooth/device_reader.py
@@ -117,6 +117,11 @@ class DeviceReader:
                                 _LOGGER.warning("Pack polling failed (pack_num %i doesn't match expected %i)", set_pack, pack)
                                 continue
 
+                            if self.bluetti_device.pack_num_max > 1:
+                                # We need to wait after switching packs 
+                                # for the data to be available
+                                await asyncio.sleep(5)
+                            
                             for command in pack_commands:
                                 # Request & parse result for each pack
                                 try: