From a64b89175ee23760778dd9376d27d60a5c3eada2 Mon Sep 17 00:00:00 2001
From: Robert Fisk <robert_fisk@fastmail.fm>
Date: Sat, 30 Apr 2016 14:43:00 +1200
Subject: [PATCH] Improved HID report parser compatibility

---
 Downstream/Src/downstream_hid.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Downstream/Src/downstream_hid.c b/Downstream/Src/downstream_hid.c
index e9cff89..c490d02 100644
--- a/Downstream/Src/downstream_hid.c
+++ b/Downstream/Src/downstream_hid.c
@@ -194,6 +194,10 @@ HAL_StatusTypeDef Downstream_HID_Mouse_ParseReportDescriptor(void)
                 }
                 break;
             }
+            currentUsageIndex = 0;
+            xUsageIndex = 0xFF;
+            yUsageIndex = 0xFF;
+            wheelUsageIndex = 0xFF;
             currentReportBitIndex += (currentReportSize * currentReportCount);
             if (currentReportBitIndex >= (HID_MAX_REPORT_LEN * 8))
             {