From 6564f4f5d4706621e468a2125c0f0a5dbc8c1853 Mon Sep 17 00:00:00 2001
From: diekleinekuh <markus.henschel@yaak.ai>
Date: Fri, 17 Feb 2023 17:52:25 +0100
Subject: [PATCH] issue flow control messages on the scanned bus

---
 bus_protocols/isotp_handler.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bus_protocols/isotp_handler.cpp b/bus_protocols/isotp_handler.cpp
index 249a550..0f27be3 100644
--- a/bus_protocols/isotp_handler.cpp
+++ b/bus_protocols/isotp_handler.cpp
@@ -249,7 +249,7 @@ void ISOTP_HANDLER::processFrame(const CANFrame &frame)
         messageBuffer.insert(msg.frameId(), msg);
         //The sending ID is set to the last ID we used to send from this class which is
         //very likely to be correct. But, caution, there is a chance that it isn't. Beware.
-        if (issueFlowMsgs && lastSenderID > 0)
+        if (issueFlowMsgs && lastSenderID > 0 && lastSenderBus==frame.bus)
         {
             CANFrame outFrame;
             outFrame.bus = lastSenderBus;