From 566ddb2ea03e2514de50f2ca861a2674f6e840ac Mon Sep 17 00:00:00 2001
From: 562935844@qq.com
Date: 星期一, 27 十一月 2023 13:32:27 +0800
Subject: [PATCH] 新增科技系统、门锁、新风和地暖支持
---
HDL_TTLSDK485/src/main/java/com/hdl/sdk/ttl/Utils/HDLUtlis/HDLUtlis.java | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 49 insertions(+), 0 deletions(-)
diff --git a/HDL_TTLSDK485/src/main/java/com/hdl/sdk/ttl/Utils/HDLUtlis/HDLUtlis.java b/HDL_TTLSDK485/src/main/java/com/hdl/sdk/ttl/Utils/HDLUtlis/HDLUtlis.java
index 8bd411c..135fb82 100644
--- a/HDL_TTLSDK485/src/main/java/com/hdl/sdk/ttl/Utils/HDLUtlis/HDLUtlis.java
+++ b/HDL_TTLSDK485/src/main/java/com/hdl/sdk/ttl/Utils/HDLUtlis/HDLUtlis.java
@@ -89,4 +89,53 @@
}
return progress;
}
+
+
+ /**
+ * 4 byte 杞崲涓篺loat绫诲瀷
+ *
+ * @param b1
+ * @param b2
+ * @param b3
+ * @param b4
+ * @return
+ */
+ public static float byteToFloat(byte b1, byte b2, byte b3, byte b4) {
+ byte[] mByte = new byte[4];
+ mByte[0] = b1;
+ mByte[1] = b2;
+ mByte[2] = b3;
+ mByte[3] = b4;
+ return byteArrayToFloat(mByte);
+ }
+
+
+ /**
+ * byte[4]鏁扮粍 杞崲涓篺loat绫诲瀷
+ *
+ * @param arr 闀垮害涓�4
+ * @return
+ */
+ public static float byteArrayToFloat(byte[] arr) {
+ try {
+ return Float.intBitsToFloat(getInt(arr));
+ } catch (Exception e) {
+ e.printStackTrace();
+ return 0;
+ }
+ }
+
+
+ /**
+ * 杩炵画4涓瓧鑺傝幏寰椾竴涓猧nt
+ *
+ * @param arr
+ * @return int
+ */
+ public static int getInt(byte[] arr) {
+ return (0xff000000 & (arr[0] << 24)) |
+ (0x00ff0000 & (arr[1] << 16)) |
+ (0x0000ff00 & (arr[2] << 8)) |
+ (0x000000ff & arr[3]);
+ }
}
--
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