From b3242ef8fddf71ee75cacc89932dfe96304c6d8a Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh-essen.com>
Date: Fri, 24 Nov 2006 11:09:36 +0000
Subject: [PATCH] Fixed lost frames display bug when no frames were sent.
---
master/master.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/master/master.c b/master/master.c
index 58a12175..a27f356a 100644
--- a/master/master.c
+++ b/master/master.c
@@ -842,6 +842,7 @@ ssize_t ec_master_info(ec_master_t *master, /**< EtherCAT master */
off_t off = 0;
ec_eoe_t *eoe;
uint32_t cur, sum, min, max, pos, i;
+ unsigned int frames_lost;
off += sprintf(buffer + off, "\nVersion: %s", ec_master_version_str);
off += sprintf(buffer + off, "\nMode: ");
@@ -864,8 +865,9 @@ ssize_t ec_master_info(ec_master_t *master, /**< EtherCAT master */
master->device->tx_count);
off += sprintf(buffer + off, " Frames received: %u\n",
master->device->rx_count);
- off += sprintf(buffer + off, " Frames lost: %u\n",
- master->device->tx_count - master->device->rx_count - 1);
+ frames_lost = master->device->tx_count - master->device->rx_count;
+ if (frames_lost) frames_lost--;
+ off += sprintf(buffer + off, " Frames lost: %u\n", frames_lost);
off += sprintf(buffer + off, "\nTiming (min/avg/max) [us]:\n");
--
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