From 9831facfc753fd040fa2b3d1b40ed634c2fca507 Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <makenne@microsoft.com>
Date: Sat, 12 Dec 2020 14:32:03 -0800
Subject: [PATCH] fix opcode decode

---
 firmware/bootloader/bootloader.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/bootloader/bootloader.cpp b/firmware/bootloader/bootloader.cpp
index fa90dee..0855e82 100644
--- a/firmware/bootloader/bootloader.cpp
+++ b/firmware/bootloader/bootloader.cpp
@@ -128,7 +128,7 @@ void RunBootloaderLoop()
             continue;
         }
 
-        uint8_t opcode = (frame.EID >> 16) & 0xFF;
+        uint8_t opcode = (frame.EID >> 16) & 0x0F;
         uint16_t embeddedData = frame.EID & 0xFFFF;
 
         switch (opcode) {