From ee33b492c544a8b3b9bbc912d850622ad7ee365c Mon Sep 17 00:00:00 2001
From: Yan <2031974+yangit@users.noreply.github.com>
Date: Sun, 21 Apr 2024 02:54:28 +0800
Subject: [PATCH] Fix write-single-coil.ts incorrect processing of true value
 #338

The WriteSingleCoilResponseBody constructor declares that it can handle `boolen` but it can not do that.
So I have addled  boolean handling into the function.
---
 src/response/write-single-coil.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/response/write-single-coil.ts b/src/response/write-single-coil.ts
index 396f375..2ce6363 100644
--- a/src/response/write-single-coil.ts
+++ b/src/response/write-single-coil.ts
@@ -53,8 +53,12 @@ export default class WriteSingleCoilResponseBody extends ModbusWriteResponseBody
   constructor (address: number, value: 0 | 0xff00 | boolean) {
     super(FC.WRITE_SINGLE_COIL)
     this._address = address
-
-    this._value = value === 0xFF00 ? 0xFF00 : 0x0000
+    
+    if (value === true || value === 0xFF00) {
+        this._value = 0xFF00
+    } else {
+        this._value = 0x0000
+    }
   }
 
   public createPayload () {