From 4c2677100744cfa66d55d5f551523231799a781b Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Thu, 14 Apr 2022 10:08:52 +0800
Subject: [PATCH] Merge branch 'master' of ssh://master.iot-yun.club:2280/framwork
---
booster/test/comport.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/booster/test/comport.c b/booster/test/comport.c
index 80be4e4..267a94c 100644
--- a/booster/test/comport.c
+++ b/booster/test/comport.c
@@ -53,7 +53,7 @@
{NULL, 0, NULL, 0}
};
- while ((opt = getopt_long(argc, argv, "d:b:s:vh", long_options, NULL)) != -1)
+ while ((opt = getopt_long(argc, argv, "d:b:s:xvh", long_options, NULL)) != -1)
{
switch (opt)
{
@@ -175,10 +175,10 @@
ptr = strdup(name);
progname = basename(ptr);
- printf("Usage1: comport -d <device> [-b <baudrate>][-s <settings>] [-x]\n");
- printf(" -d[device ] device name\n");
+ printf("Usage: comport -d <device> [-b <baudrate>][-s <settings>] [-x]\n");
+ printf(" -d[device ] device name, such as /dev/ttyUSB0\n");
printf(" -b[baudrate] device baudrate (115200, 57600, 19200, 9600), default is 115200\n");
- printf(" -s[settings] device settings as like 8N1N(default setting)\n");
+ printf(" -s[settings] device settings as like 8N1N(defalt setting)\n");
printf(" - data bits: 8, 7\n");
printf(" - parity: N=None, O=Odd, E=Even, S=Space\n");
printf(" - stop bits: 1, 0\n");
--
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