From 3b7f795803d3c46dabc937334cd6101d0b621190 Mon Sep 17 00:00:00 2001
From: Leonard de Ruijter <alderuijter@gmail.com>
Date: Sat, 14 Dec 2024 09:44:29 +0100
Subject: [PATCH] Filter for the correct usage page in the Brailliant driver

---
 source/brailleDisplayDrivers/brailliantB.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/brailleDisplayDrivers/brailliantB.py b/source/brailleDisplayDrivers/brailliantB.py
index 67670d80e9d..730ea1552b9 100644
--- a/source/brailleDisplayDrivers/brailliantB.py
+++ b/source/brailleDisplayDrivers/brailliantB.py
@@ -35,6 +35,7 @@
 HR_KEYS = b"\x04"
 HR_BRAILLE = b"\x05"
 HR_POWEROFF = b"\x07"
+HID_USAGE_PAGE = 0x93
 
 KEY_NAMES = {
 	1: "power",  # Brailliant BI 32, 40 and 80.
@@ -147,6 +148,9 @@ def __init__(self, port="auto"):
 			# Try talking to the display.
 			try:
 				if self.isHid:
+					if (usasePage := portInfo.get("HIDUsagePage")) != HID_USAGE_PAGE:
+						log.debugWarning(f"Ignoring device {port!r} with usage page {usasePage!r}")
+						continue
 					self._dev = hwIo.Hid(port, onReceive=self._hidOnReceive)
 				else:
 					self._dev = hwIo.Serial(