From 4b15f82f7d9879d629b87ca8905c2ae45cd50a55 Mon Sep 17 00:00:00 2001
From: stefanrueger <stefan.rueger@urclocks.com>
Date: Wed, 22 Jul 2026 08:04:40 +0200
Subject: [PATCH] Provide trace_dump()

---
 src/avr.c        | 15 +++++++++++++++
 src/libavrdude.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/src/avr.c b/src/avr.c
index ae2d6ca9..0aa7ccd8 100644
--- a/src/avr.c
+++ b/src/avr.c
@@ -1866,3 +1866,18 @@ void trace_buffer(const char *funstr, const unsigned char *buf, size_t buflen) {
   }
   msg_trace("\n");
 }
+
+// Output comms buffer like memory dump
+void trace_dump(const char *funstr, const unsigned char *buf, size_t buflen) {
+  pmsg_trace("%s: ", funstr);
+  while(buflen) {
+    char out[69];
+    size_t len = buflen > 16? 16: buflen;
+
+    str_hexdump16(out, buf, len);
+    msg_trace("%s\n", out);
+    buf += len;
+    if(buflen -= len)
+      pmsg_trace("%*s", (int) strlen(funstr)+2, "");
+  }
+}
diff --git a/src/libavrdude.h b/src/libavrdude.h
index b3772f5d..d8d3e96f 100644
--- a/src/libavrdude.h
+++ b/src/libavrdude.h
@@ -1233,6 +1233,7 @@ extern "C" {
   int avr_unlock(const PROGRAMMER *pgm, const AVRPART *p);
   void report_progress(int completed, int total, const char *hdr);
   void trace_buffer(const char *funstr, const unsigned char *buf, size_t buflen);
+  void trace_dump(const char *funstr, const unsigned char *buf, size_t buflen);
   int avr_has_paged_access(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m);
   int avr_has_paged_write(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m);
   int avr_has_paged_load(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m);