From 732d1963ed83abf4e5f1b06ec451a6943421d716 Mon Sep 17 00:00:00 2001
From: Guo Wenxue <guowenxue@gmail.com>
Date: Thu, 22 Sep 2022 00:36:11 +0800
Subject: [PATCH] update ds18b20.c to snprintf

---
 modules/c/gpiod.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/c/gpio.c b/modules/c/gpiod.c
similarity index 92%
rename from modules/c/gpio.c
rename to modules/c/gpiod.c
index 3ad04bd..c59e694 100644
--- a/modules/c/gpio.c
+++ b/modules/c/gpiod.c
@@ -40,8 +40,9 @@
 	if( argc != 3 )
 	{
 		printf("  Usage: sudo %s [BCM Pin number] [1/0]\n", argv[0]);
-		printf("example, turn BCM Pin #6 lowlevel : sudo %s 6 0\n", argv[0]);
-		printf("example, turn BCM Pin #6 highlevel: sudo %s 6 1\n", argv[0]);
+		printf("example, turn BCM Pin #19 lowlevel : sudo %s 19 0\n", argv[0]);
+		printf("example, turn BCM Pin #19 highlevel: sudo %s 19 1\n", argv[0]);
+		return 0;
 	}
 
 	bcm_pin = atoi(argv[1]);

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