From b7ace7490d9c2d384d17e388625af337ae28217b Mon Sep 17 00:00:00 2001
From: Andreas Poehlmann <andreas@poehlmann.io>
Date: Sun, 26 Sep 2021 11:06:30 +0200
Subject: [PATCH] [pyseabreeze] increase timeout in first get_serial_number
 call

Test if increasing the timeout for the first read after a spectrometer
is opened helps with getting the HDX to work reliably under Linux.

See #133.
---
 src/seabreeze/pyseabreeze/devices.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seabreeze/pyseabreeze/devices.py b/src/seabreeze/pyseabreeze/devices.py
index 3b419e5c..ddc918db 100644
--- a/src/seabreeze/pyseabreeze/devices.py
+++ b/src/seabreeze/pyseabreeze/devices.py
@@ -382,7 +382,7 @@ def get_serial_number(self):
                 return self.f.eeprom.eeprom_read_slot(0)
 
             elif isinstance(protocol, OBPProtocol):
-                serial_len = ord(protocol.query(0x00000101))
+                serial_len = ord(protocol.query(0x00000101, timeout_ms=10_000))
                 return protocol.query(0x00000100)[:serial_len].decode("utf8")
 
             else: