From 8c0af77ba990627753f4278a3848466131ea46fb Mon Sep 17 00:00:00 2001
From: XANTRONIX Development <dev@xantronix.com>
Date: Thu, 23 May 2019 01:49:26 -0500
Subject: [PATCH] Initial support of rudimentary candump output format

---
 bin/can2dump.c | 14 ++++++++++----
 bin/main.c     |  2 ++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/bin/can2dump.c b/bin/can2dump.c
index 50ee6e4..00bf317 100644
--- a/bin/can2dump.c
+++ b/bin/can2dump.c
@@ -74,10 +74,16 @@ int hexagram_main_can2dump(int argc, char **argv) {
     }
 
     while (hexagram_capture_read(capture, &timestamp, &frame) >= 0) {
-        fprintf(fh, "%s 0x%x %02x %02x %02x %02x %02x %02x %02x %02x\n",
-            ifname, frame.can_id,
-            frame.data[0], frame.data[1], frame.data[2], frame.data[3],
-            frame.data[4], frame.data[5], frame.data[6], frame.data[7]);
+        uint8_t i;
+
+        fprintf(fh, "%7s  %03X   [%d] ",
+            ifname, frame.can_id, frame.can_dlc);
+
+        for (i=0; i<frame.can_dlc; i++) {
+            fprintf(fh, " %02X", frame.data[i]);
+        }
+
+        fprintf(fh, "\n");
     }
 
     if (argc == 2) {
diff --git a/bin/main.c b/bin/main.c
index 76aa16f..84b5630 100644
--- a/bin/main.c
+++ b/bin/main.c
@@ -5,6 +5,7 @@
 
 #include "capture.h"
 #include "replay.h"
+#include "can2dump.h"
 #include "pcap2can.h"
 #include "pcapreplay.h"
 
@@ -17,6 +18,7 @@ typedef struct {
 hexagram_app apps[] = {
     { "capture",    hexagram_arglist_capture,    hexagram_main_capture    },
     { "replay",     hexagram_arglist_replay,     hexagram_main_replay     },
+    { "can2dump",   hexagram_arglist_can2dump,   hexagram_main_can2dump   },
     { "pcap2can",   hexagram_arglist_pcap2can,   hexagram_main_pcap2can   },
     { "pcapreplay", hexagram_arglist_pcapreplay, hexagram_main_pcapreplay },
     { NULL, NULL, NULL }