From 3a04b1f488c041505665ef1a129c8b0695decb8d Mon Sep 17 00:00:00 2001
From: BlackMark <me@blackmark.me>
Date: Sun, 12 Apr 2020 12:01:53 +0200
Subject: [PATCH] Add topcard detection for avrdude

---
 stk500v2/main.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/stk500v2/main.cpp b/stk500v2/main.cpp
index 405ce4a..cab4170 100644
--- a/stk500v2/main.cpp
+++ b/stk500v2/main.cpp
@@ -236,6 +236,8 @@ static inline void formatGetParameterAnswer(Message &msg)
 		msg.body[2] = 2;
 	} else if (msg.body[1] == PARAM_OSC_CMATCH) {
 		msg.body[2] = 127;
+	} else if (msg.body[1] == PARAM_TOPCARD_DETECT) {
+		msg.body[2] = 0xFF;
 	} else {
 		msg.size = 2;
 	}