+static void print_call(KFile *ch, const AX25Call *call)
+{
+ kfile_printf(ch, "%.6s", call->call);
+ if (call->ssid)
+ kfile_printf(ch, "-%d", call->ssid);
+}
+
+/**
+ * Print a AX25 message in TNC-2 packet monitor format.
+ * \param ch a kfile channel where the message will be printed.
+ * \param msg the message to be printed.
+ */
+void ax25_print(KFile *ch, const AX25Msg *msg)
+{
+ print_call(ch, &msg->src);
+ kfile_putc('>', ch);
+ print_call(ch, &msg->dst);
+
+ #if CONFIG_AX25_RPT_LST
+ for (int i = 0; i < msg->rpt_cnt; i++)
+ {
+ kfile_putc(',', ch);
+ print_call(ch, &msg->rpt_lst[i]);
+ // TODO: add * to the trasmitting digi
+ }
+ #endif
+
+ kfile_printf(ch, ":%.*s\n", msg->len, msg->info);
+}
+
+
+/**
+ * Init the AX25 protocol decoder.
+ *
+ * \param ctx AX25 context to init.
+ * \param channel Used to gain access to the physical medium
+ * \param hook Callback function called when a message is received
+ */