From cd006b9357bcb632a2d4539c086fb93ca6ae23c6 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Mon, 17 Nov 2025 23:37:49 +0800
Subject: [PATCH] Update lightd to support DS18B20 and TLS2561

---
 project/lightd/hal/ds18b20.h |   31 +++++++++++++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/project/lightd/hal/ds18b20.h b/project/lightd/hal/ds18b20.h
new file mode 100644
index 0000000..e756134
--- /dev/null
+++ b/project/lightd/hal/ds18b20.h
@@ -0,0 +1,31 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio
+ *                  All rights reserved.
+ *
+ *       Filename:  ds18b20.h
+ *    Description:  This file is temperature sensor DS18B20 code
+ *
+ *        Version:  1.0.0(2023/8/10)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "2023/8/10 12:13:26"
+ *
+ * Pin connection:
+ *
+ *               DS18B20 Module          Raspberry Pi Board
+ *                   VCC      <----->      #Pin1(3.3V)
+ *                   DQ       <----->      #Pin7(BCM GPIO4)
+ *                   GND      <----->      GND
+ *
+ * /boot/config.txt:
+ *
+ *          dtoverlay=w1-gpio-pullup,gpiopin=4
+ *
+ ********************************************************************************/
+
+#ifndef  _DS18B20_H_
+#define  _DS18B20_H_
+
+extern int ds18b20_get_temperature(float *temp);
+
+#endif   /* ----- #ifndef _DS18B20_H_  ----- */
+

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