From c6c3f1cc41f9863a27896a80a05cd68f1401fca3 Mon Sep 17 00:00:00 2001
From: SikongJueluo <selfconfusion@gmail.com>
Date: Thu, 10 Jul 2025 18:42:33 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8Di2c=E5=8F=91=E9=80=81?=
 =?UTF-8?q?=E6=95=B0=E6=8D=AE=E5=8C=85=E9=94=99=E8=AF=AF=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
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---
 server/src/Peripherals/I2cClient.cs | 10 ++++++++++
 server/src/UdpClientPool.cs         |  6 ++----
 server/src/WebProtocol.cs           |  3 +++
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/server/src/Peripherals/I2cClient.cs b/server/src/Peripherals/I2cClient.cs
index 50fd083..14e65a1 100644
--- a/server/src/Peripherals/I2cClient.cs
+++ b/server/src/Peripherals/I2cClient.cs
@@ -113,6 +113,16 @@ public class I2c
 
         // 写入数据到I2C FIFO写入口
         {
+            var i2cData = new byte[data.Length * 4];
+            int i = 0;
+            foreach (var item in data)
+            {
+                i2cData[i++] = 0x00;
+                i2cData[i++] = 0x00;
+                i2cData[i++] = 0x00;
+                i2cData[i++] = item;
+            }
+
             var ret = await UDPClientPool.WriteAddr(this.ep, 2, I2cAddr.Write, data);
             if (!ret.IsSuccessful)
             {
diff --git a/server/src/UdpClientPool.cs b/server/src/UdpClientPool.cs
index 5dbddb9..c8edc84 100644
--- a/server/src/UdpClientPool.cs
+++ b/server/src/UdpClientPool.cs
@@ -454,13 +454,11 @@ public class UDPClientPool
         {
             // Sperate Data Array
             var isLastData = i == writeTimes - 1;
-            var sendDataArray =
-                isLastData ?
+            var sendDataArray = isLastData ?
                 dataArray[(i * (256 * (32 / 8)))..] :
                 dataArray[(i * (256 * (32 / 8)))..((i + 1) * (256 * (32 / 8)))];
 
-            // Write Jtag State Register
-            opts.BurstLength = ((byte)(sendDataArray.Length / 4 - 1));
+            opts.BurstLength = ((byte)Math.Min(sendDataArray.Length / 4 - 1, 1));
             ret = await UDPClientPool.SendAddrPackAsync(endPoint, new SendAddrPackage(opts));
             if (!ret) return new(new Exception("Send 1st address package failed!"));
 
diff --git a/server/src/WebProtocol.cs b/server/src/WebProtocol.cs
index 67f542a..9b1012e 100644
--- a/server/src/WebProtocol.cs
+++ b/server/src/WebProtocol.cs
@@ -269,6 +269,9 @@ namespace WebProtocol
             if (bodyData.Length > 256 * (32 / 8))
                 throw new Exception("The data of SendDataPackage can't over 256 * 32bits");
 
+            if (bodyData.Length % 4 != 0)
+                throw new Exception("The data of SendDataPackage should be divided by 4");
+
             this.bodyData = bodyData;
 
             _ = _reserved;