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	<title>错误帧 &#8211; 上海同星智能科技有限公司</title>
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	<link>https://www.tosunai.com</link>
	<description>Engineer Everything!</description>
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	<title>错误帧 &#8211; 上海同星智能科技有限公司</title>
	<link>https://www.tosunai.com</link>
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	<item>
		<title>Q&#038;A系列 &#124; 如何屏蔽报文窗口中的错误帧干扰？</title>
		<link>https://www.tosunai.com/how-to-filter-out-the-disturbance-of-erroneous-frames-from-the-message-window/</link>
					<comments>https://www.tosunai.com/how-to-filter-out-the-disturbance-of-erroneous-frames-from-the-message-window/#respond</comments>
		
		<dc:creator><![CDATA[pan]]></dc:creator>
		<pubDate>Mon, 05 Jan 2026 08:45:16 +0000</pubDate>
				<category><![CDATA[软件操作教程]]></category>
		<category><![CDATA[CCP / XCP 标定]]></category>
		<category><![CDATA[TSMaster]]></category>
		<category><![CDATA[TSMaster使用教程]]></category>
		<category><![CDATA[分析]]></category>
		<category><![CDATA[报文信息]]></category>
		<category><![CDATA[错误帧]]></category>
		<guid isPermaLink="false">https://www.tosunai.com/?p=22583</guid>

					<description><![CDATA[<p>在使用TSMaster进行车载网络测试与分析时，工程师们常常需要实时监测CAN/CAN FD等总线上的通信报文 [&#8230;]</p>
<p>&lt;p&gt;The post <a rel="nofollow" href="https://www.tosunai.com/how-to-filter-out-the-disturbance-of-erroneous-frames-from-the-message-window/">Q&#038;A系列 | 如何屏蔽报文窗口中的错误帧干扰？</a> first appeared on <a rel="nofollow" href="https://www.tosunai.com">上海同星智能科技有限公司</a>.&lt;/p&gt;</p>
]]></description>
										<content:encoded><![CDATA[
<p class="wp-block-paragraph">在使用TSMaster进行车载网络测试与分析时，工程师们常常需要实时监测CAN/CAN FD等总线上的通信报文。然而，在实车或测试环境中，总线上偶尔会出现错误帧（Error Frame），这些错误帧会频繁刷屏报文信息窗口，干扰工程师对正常通信报文的观察与分析。</p>



<p class="wp-block-paragraph">例如，在跟踪某个特定ID的报文时，滚动窗口中不断出现的错误帧会导致目标报文被快速顶出可视范围，严重影响分析效率。</p>



<p class="wp-block-paragraph">在本期 《TSMaster QA系列》 视频中，TSMaster 提供了灵活的数据过滤机制，支持在报文信息窗口中将错误帧临时屏蔽或彻底隐藏。让我们一起来看下具体的屏蔽方法吧~</p>



<p class="wp-block-paragraph"></p>



<blockquote class="wp-block-quote is-style-default is-layout-flow wp-block-quote-is-layout-flow">
<h2 class="wp-block-heading has-black-color has-text-color has-link-color wp-elements-2" style="font-style:normal;font-weight:600"><strong><strong><strong><strong>屏蔽错误帧</strong>？</strong></strong></strong></h2>
</blockquote>


<p><iframe style="aspect-ratio: 16 / 9;" src="//player.bilibili.com/player.html?isOutside=true&#038;aid=115264188319316&#038;bvid=BV18bn8zqEPJ&#038;cid=32623561680&#038;p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"></iframe></p>



<p class="wp-block-paragraph"></p>
<p>&lt;p&gt;The post <a rel="nofollow" href="https://www.tosunai.com/how-to-filter-out-the-disturbance-of-erroneous-frames-from-the-message-window/">Q&#038;A系列 | 如何屏蔽报文窗口中的错误帧干扰？</a> first appeared on <a rel="nofollow" href="https://www.tosunai.com">上海同星智能科技有限公司</a>.&lt;/p&gt;</p>
]]></content:encoded>
					
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Q&#038;A系列 &#124; LIN发送总掉链子？TSMaster一招教你搞定“Interval Time Error”错误帧</title>
		<link>https://www.tosunai.com/fixing-interval-time-error-frames/</link>
					<comments>https://www.tosunai.com/fixing-interval-time-error-frames/#respond</comments>
		
		<dc:creator><![CDATA[pan]]></dc:creator>
		<pubDate>Tue, 23 Dec 2025 09:56:49 +0000</pubDate>
				<category><![CDATA[软件操作教程]]></category>
		<category><![CDATA[LIN]]></category>
		<category><![CDATA[TSMaster]]></category>
		<category><![CDATA[TSMaster使用教程]]></category>
		<category><![CDATA[仿真]]></category>
		<category><![CDATA[分析]]></category>
		<category><![CDATA[错误帧]]></category>
		<guid isPermaLink="false">https://www.tosunai.com/?p=22535</guid>

					<description><![CDATA[<p>在LIN总线开发测试中，你是否也遇到过这个让人头疼的瞬间—精心配置的调度表一启动，预期的报文没等来，却频频在T [&#8230;]</p>
<p>&lt;p&gt;The post <a rel="nofollow" href="https://www.tosunai.com/fixing-interval-time-error-frames/">Q&#038;A系列 | LIN发送总掉链子？TSMaster一招教你搞定“Interval Time Error”错误帧</a> first appeared on <a rel="nofollow" href="https://www.tosunai.com">上海同星智能科技有限公司</a>.&lt;/p&gt;</p>
]]></description>
										<content:encoded><![CDATA[
<p class="wp-block-paragraph">在LIN总线开发测试中，你是否也遇到过这个让人头疼的瞬间—精心配置的调度表一启动，预期的报文没等来，却频频在TSMaster报错窗口中捕捉到“3F错误帧”，并伴随一句冰冷的提示：“Interval Time Error”？</p>



<p class="wp-block-paragraph">这并非个例。许多工程师都曾在这个问题上“卡过脖子”：明明配置看起来没问题，为什么LIN帧的发送间隔就是不对？是主节点时钟偏差？从节点响应延迟？还是调度表参数设置存在隐藏陷阱？</p>



<p class="wp-block-paragraph">在本期 《TSMaster QA系列》 视频中，我们将直击这个经典问题：</p>



<p class="wp-block-paragraph"></p>



<blockquote class="wp-block-quote is-style-default is-layout-flow wp-block-quote-is-layout-flow">
<h2 class="wp-block-heading has-black-color has-text-color has-link-color wp-elements-4" style="font-style:normal;font-weight:600"><strong><strong><strong>3F 错误帧？</strong></strong></strong></h2>
</blockquote>


<p><iframe style="aspect-ratio: 16 / 9;" src="//player.bilibili.com/player.html?isOutside=true&#038;aid=115229560343663&#038;bvid=BV1m6WuznEqq&#038;cid=32482658739&#038;p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"></iframe></p>



<p class="wp-block-paragraph"></p>
<p>&lt;p&gt;The post <a rel="nofollow" href="https://www.tosunai.com/fixing-interval-time-error-frames/">Q&#038;A系列 | LIN发送总掉链子？TSMaster一招教你搞定“Interval Time Error”错误帧</a> first appeared on <a rel="nofollow" href="https://www.tosunai.com">上海同星智能科技有限公司</a>.&lt;/p&gt;</p>
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>干货分享&#124;TSMaster采样点配置方法与消除错误帧流程</title>
		<link>https://www.tosunai.com/tsmaster-sampling-point-configuration-method-and-error-frame-elimination-process/</link>
					<comments>https://www.tosunai.com/tsmaster-sampling-point-configuration-method-and-error-frame-elimination-process/#respond</comments>
		
		<dc:creator><![CDATA[zhang, yaping]]></dc:creator>
		<pubDate>Mon, 27 Nov 2023 09:38:07 +0000</pubDate>
				<category><![CDATA[软件操作教程]]></category>
		<category><![CDATA[TSMaster]]></category>
		<category><![CDATA[其他]]></category>
		<category><![CDATA[采样点配置]]></category>
		<category><![CDATA[错误帧]]></category>
		<guid isPermaLink="false">https://www.tosunai.com/?p=5546</guid>

					<description><![CDATA[<p>overview前言 当通讯节点间采样点参数和波特率参数不匹配造成一些错误帧时，我们如何在TSMaster中设 [&#8230;]</p>
<p>&lt;p&gt;The post <a rel="nofollow" href="https://www.tosunai.com/tsmaster-sampling-point-configuration-method-and-error-frame-elimination-process/">干货分享|TSMaster采样点配置方法与消除错误帧流程</a> first appeared on <a rel="nofollow" href="https://www.tosunai.com">上海同星智能科技有限公司</a>.&lt;/p&gt;</p>
]]></description>
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					<h4 class="elementor-heading-title elementor-size-default">当通讯节点间采样点参数和波特率参数不匹配造成一些错误帧时，我们如何在TSMaster中设置以及调整波特率参数和采样点参数，来减少以及消除总线上出现的错误帧，进一步提高通信质量。本文着重讲解讲解如何借用TSmaster更加便捷地获取相应的采样点参数以及波特率参数并通过API设置到用户程序中。<br><br><i><b>本文关键字：</b></i><em style="max-width: 100%;font-family: system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 16px;letter-spacing: 1.1px;text-align: justify;visibility: visible"><span style="max-width: 100%;letter-spacing: 1.1px;font-size: 14px;visibility: visible"><b>采样点、波特率、错误帧、tsapp_configure_canfd_re</b>gs</span></em></h4>				</div>
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									<p><u>采样点定义</u></p><p><u>采样点导致的通信问题</u></p><p><u>如何在TSMaster中调整采样点参数</u></p><p><u style="font-variant-ligatures: normal; font-variant-caps: normal; font-family: Verdana, sans-serif; font-size: 15px; font-style: normal; font-weight: 400;">tsapp_configure_canfd_regs参数配置</u><u><br /></u></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">一、采样点定义</h2>				</div>
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									<p>采样点是CAN控制器读取总线电平，并解释各个比特的逻辑值的时间点。在我们了解采样点之前，我们需要先了解CAN报文中位时间的概念以及位时间的组成部分，位时间指的是每传输一位数据所需要的时间，而CAN控制器的最小时间周期称作时间份额（Time Quantum,简称TQ），它是通过对芯片晶振周期进行分频而得来的。一个位时间由若干个TQ组成（通常为8到25个），同时根据功能的不同，可以分为4个阶段：同步段、传播段、相位缓冲段1和相位缓冲段2。</p>								</div>
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															<img fetchpriority="high" decoding="async" width="1024" height="271" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2-1024x271.png" class="attachment-large size-large wp-image-5549" alt="位时间的组成" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2-1024x271.png 1024w, https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2-300x79.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2-768x203.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2-18x5.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2-800x212.png 800w, https://www.tosunai.com/wp-content/uploads/2023/11/图片1-2.png 1080w" sizes="(max-width: 1024px) 100vw, 1024px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 21">															</div>
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									<p><b>四个阶段的功能如下：</b></p>								</div>
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									<p>●  同步段：用于实现时序调整，总线上各个节点的跳变沿产生在同步段内，通常为1个TQ。</p><p>●  传播段：用于补偿网络上的物理延迟时间，这些延迟时间包含信号在总线上的传输延迟和CAN节点内部的处理延迟。 </p><p>● 相位缓冲段1（Phase_Seg1）和相位缓冲段2（Phase_Seg2）：用于补偿跳变沿的相位误差，其长度会在重同步的实现过程中延长或缩短。 </p><p>CAN通信中不同得分波特率时间对应的采样点以及位时间的份额不尽相同。常见的采样点以及相关的参数如下表所示。以波特率为500K为例，一个位时间被分配成16个时间份额，而采样点在第14个时间份额。</p>								</div>
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															<img decoding="async" width="733" height="294" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片2-2.png" class="attachment-large size-large wp-image-5550" alt="can通信中常见的采样参数" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片2-2.png 733w, https://www.tosunai.com/wp-content/uploads/2023/11/图片2-2-300x120.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片2-2-18x7.png 18w" sizes="(max-width: 733px) 100vw, 733px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 22">															</div>
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									<p>合适的采样点位置是CAN控制器正常通信的保证，其重要性主要有以下三点：</p><p>●  对于CAN网络这个整体而言，各个节点应该尽量使用相同的采样点位置，否则容易出现采样错误，进而使整个网络的通信出现故障； </p><p>●  对于单个节点而言，过早的采样使得节点易受位时间初期的电平波动影响，进而导致采样错误； </p><p>●  受限于重同步的要求和相位缓冲段的宽度，CAN控制器无法过晚采样。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">二、采样点导致的通信问题</h2>				</div>
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									<p>CAN网络采用异步通信的方式，因此需要根据波特率进行采样，采样原理如下图所示。红色箭头则表示采样点的位置，采样得到的数据为“1010 1010”。</p>								</div>
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															<img decoding="async" width="770" height="345" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片3jpg.jpg" class="attachment-large size-large wp-image-5551" alt="can通信采样原理示意图" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片3jpg.jpg 770w, https://www.tosunai.com/wp-content/uploads/2023/11/图片3jpg-300x134.jpg 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片3jpg-768x344.jpg 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片3jpg-18x8.jpg 18w" sizes="(max-width: 770px) 100vw, 770px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 23">															</div>
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									<p>若采样点设置提前20%，则采样后得到的数据为“0101 1010”，与图1中数据相比较，图4中采样得到的第五位数据就不相同。因此，在CAN通信网络中，如果传输节点之间的采样点差异不同，则会造成数据传输传输错误，并且随着传输的数据越多，累计的错误数据位就越多。所以在进行CAN网络通信时，需要将各个节点的波特率和采样点设置位相同的。</p>								</div>
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															<img loading="lazy" decoding="async" width="770" height="358" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片4jpg.jpg" class="attachment-large size-large wp-image-5552" alt="采样示意图" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片4jpg.jpg 770w, https://www.tosunai.com/wp-content/uploads/2023/11/图片4jpg-300x139.jpg 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片4jpg-768x357.jpg 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片4jpg-18x8.jpg 18w" sizes="auto, (max-width: 770px) 100vw, 770px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 24">															</div>
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									<p>在CAN通信网络中，节点之间波特率和采样点设置不匹配导致的问题主要表现是出现错误帧。以波特率500k、采样点80%（相位缓冲段1为63、相位缓冲段2为16）与波特率250k、采样点50%（相位缓冲段1为3、相位缓冲段2为4）为例，使用同星硬件TC1016和TSmaster进行测试，分别将以上波特率和采样点参数部署至短接的CAN1与CAN2通道。</p>								</div>
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															<img loading="lazy" decoding="async" width="979" height="373" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片5-2.png" class="attachment-large size-large wp-image-5553" alt="CAN2通道波特率和采样点参数配置" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片5-2.png 979w, https://www.tosunai.com/wp-content/uploads/2023/11/图片5-2-300x114.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片5-2-768x293.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片5-2-18x7.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片5-2-800x305.png 800w" sizes="auto, (max-width: 979px) 100vw, 979px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 25">															</div>
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															<img loading="lazy" decoding="async" width="983" height="344" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片6-2.png" class="attachment-large size-large wp-image-5554" alt="CAN2通道波特率和采样点参数配置" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片6-2.png 983w, https://www.tosunai.com/wp-content/uploads/2023/11/图片6-2-300x105.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片6-2-768x269.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片6-2-18x6.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片6-2-800x280.png 800w" sizes="auto, (max-width: 983px) 100vw, 983px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 26">															</div>
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									<p>在此参数配置条件下，在TSMaster的报文发送窗口发送报文，然后可以在报文信息窗口下看到报文数据在总线上传输的状态。如下图所示，在通信节点之间的波特率和采样点参数配置不相同的情况下，报文信息窗口会出现错误帧。</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="111" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3-1024x111.png" class="attachment-large size-large wp-image-5555" alt="节点间采样点参数不同导致的错误帧" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3-1024x111.png 1024w, https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3-300x33.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3-768x84.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3-18x2.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3-800x87.png 800w, https://www.tosunai.com/wp-content/uploads/2023/11/图片7-3.png 1378w" sizes="auto, (max-width: 1024px) 100vw, 1024px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 27">															</div>
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									<p>因此，在TSMaster报文信息窗口出现错误帧的时候，检查节点之间的波特率和采样点参数配置是一个重点排查的方向。除此之外，不仅仅是上图所展示的错误帧类型，当报文信息窗口出现其他错误帧类型，诸如bit error、form error等（如图8和图9所示），都需要检查波特率和采样点采样点参数配置。</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="128" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2-1024x128.png" class="attachment-large size-large wp-image-5556" alt="错误帧" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2-1024x128.png 1024w, https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2-300x38.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2-768x96.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2-18x2.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2-800x100.png 800w, https://www.tosunai.com/wp-content/uploads/2023/11/图片8-2.png 1160w" sizes="auto, (max-width: 1024px) 100vw, 1024px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 28">															</div>
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															<img loading="lazy" decoding="async" width="1024" height="32" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2-1024x32.png" class="attachment-large size-large wp-image-5557" alt="错误帧" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2-1024x32.png 1024w, https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2-300x9.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2-768x24.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2-18x1.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2-800x25.png 800w, https://www.tosunai.com/wp-content/uploads/2023/11/图片9-2.png 1311w" sizes="auto, (max-width: 1024px) 100vw, 1024px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 29">															</div>
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					<h2 class="elementor-heading-title elementor-size-default">三、如何在TSMaster中调整采样点</h2>				</div>
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									<p>当因为采样点设置不当，导致在TSMaster的报文信息窗口观测到错误帧时，此时需要重新调整TSMaster中的参数配置，以实现节点之间的正常通信。因此，如何在TSMaster中调整采样点和波特率参数以消除错误帧，提高通信质量尤为重要。但在此之前，需要知道如何计算采样点。</p>								</div>
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															<img loading="lazy" decoding="async" width="434" height="81" src="https://www.tosunai.com/wp-content/uploads/2023/11/1700710309104.png" class="attachment-large size-large wp-image-5558" alt="采样点" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/1700710309104.png 434w, https://www.tosunai.com/wp-content/uploads/2023/11/1700710309104-300x56.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/1700710309104-18x3.png 18w" sizes="auto, (max-width: 434px) 100vw, 434px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 30">															</div>
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									<p>其中，TSEG1和TSEG2在TSmaster中分别表示为相位缓冲段1和相位缓冲段2。在知道采样点的计算公式后，可以根据被测件的通信参数准确计算出相应的采样点参数，然后可进一步在TSMaster的总线硬件界面中配置好相应参数，以实现节点间的正常通讯。</p>								</div>
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									<p><b>调整采样点和波特率参数的步骤：</b></p>								</div>
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									<p>● 步骤一：首先需要在通道需选择界面选择相应的硬件通道，并点击确认。</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="582" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1-1024x582.png" class="attachment-large size-large wp-image-5559" alt="选择通道" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1-1024x582.png 1024w, https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1-300x171.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1-768x437.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1-18x10.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1-800x455.png 800w, https://www.tosunai.com/wp-content/uploads/2023/11/图片10-1.png 1029w" sizes="auto, (max-width: 1024px) 100vw, 1024px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 31">															</div>
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									<ul><li>步骤二：确定通道后，在总线硬件界面配置波特率参数。</li></ul>								</div>
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															<img loading="lazy" decoding="async" width="991" height="339" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片11-1.png" class="attachment-large size-large wp-image-5560" alt="配置波特率和采样点参数" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片11-1.png 991w, https://www.tosunai.com/wp-content/uploads/2023/11/图片11-1-300x103.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片11-1-768x263.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片11-1-18x6.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片11-1-800x274.png 800w" sizes="auto, (max-width: 991px) 100vw, 991px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 32">															</div>
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									<p>以CAN通信网络为例，波特率的选择范围由125kbps至1000kbps，波特率的选择要参考被测件的通信参数，并且在TSmaster中波特率参数设置应与之对应，若在不清楚被测件波特率参数的情况下，可以询问厂商或者换用其他波特率参数进行通信，看看在其他波特率参数下可否改善出现错误帧的情况。</p>								</div>
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															<img loading="lazy" decoding="async" width="740" height="135" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片12-1.png" class="attachment-large size-large wp-image-5561" alt="波特率参数选项" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片12-1.png 740w, https://www.tosunai.com/wp-content/uploads/2023/11/图片12-1-300x55.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片12-1-18x3.png 18w" sizes="auto, (max-width: 740px) 100vw, 740px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 33">															</div>
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									<p>● 步骤三：配置采样点参数（即仲裁段位时间） </p><p>TSMaster提供诸多采样点参数，以供配置使用。参考总线硬件界面中的仲裁段位时间选项，同一个采样点可能对应的相位缓冲段1参数和相位缓冲段2参数不尽相同，因此，在选择采样点时需要用到采样点公式进行计算，根据被测件的的通信参数，选择与之对应的相位缓冲段1参数和相位缓冲段2参数进而计算出采样点参数。</p>								</div>
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															<img loading="lazy" decoding="async" width="811" height="299" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片13.jpg" class="attachment-large size-large wp-image-5563" alt="采样点参数选项" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片13.jpg 811w, https://www.tosunai.com/wp-content/uploads/2023/11/图片13-300x111.jpg 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片13-768x283.jpg 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片13-18x7.jpg 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片13-800x295.jpg 800w" sizes="auto, (max-width: 811px) 100vw, 811px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 34">															</div>
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									<p>此外，当根据被测件计算出来的采样点参数或者相位缓冲段1参数和相位缓冲段2参数在仲裁段位时间参数选项列表中无法找到时，可以在选项列表中选择与之相近的参数进行配置即可。若使用者在不知道被测件的通信参数下，推荐使用TSMaster中默认采样点参数即可。</p>								</div>
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															<img loading="lazy" decoding="async" width="811" height="286" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片14.jpg" class="attachment-large size-large wp-image-5565" alt="TSMaster默认采样点参数" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片14.jpg 811w, https://www.tosunai.com/wp-content/uploads/2023/11/图片14-300x106.jpg 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片14-768x271.jpg 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片14-18x6.jpg 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片14-800x282.jpg 800w" sizes="auto, (max-width: 811px) 100vw, 811px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 35">															</div>
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					<h2 class="elementor-heading-title elementor-size-default">四、tsapp_configure_canfd_regs参数配置</h2>				</div>
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									<p>TSMaster提供众多的API函数给用户进行二次开发，通过API函数编写更加符合自己需求的用户程序实现各项功能。当使用二次开发的程序出现通信错误时，可以使用上述方法在TSMaster界面中不断调整采样点和波特率等参数的配置，以改善总线中出现错误帧的情况，进而获取更加符合与被测件之间进行通信的采样点和波特率等参数。</p><p>tsapp_configure_canfd_regs函数作用是配置 CAN FD 控制器内部寄存器，让控制器的采样点，同步跳变宽度等参数更加精确。函数如图15所示：</p>								</div>
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															<img loading="lazy" decoding="async" width="691" height="345" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片15-1.png" class="attachment-large size-large wp-image-5566" alt="tsapp_configure_canfd_regs函数" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片15-1.png 691w, https://www.tosunai.com/wp-content/uploads/2023/11/图片15-1-300x150.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片15-1-18x9.png 18w" sizes="auto, (max-width: 691px) 100vw, 691px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 36">															</div>
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															<img loading="lazy" decoding="async" width="862" height="249" src="https://www.tosunai.com/wp-content/uploads/2023/11/1700711377779.png" class="attachment-large size-large wp-image-5567" alt="表格：tsapp_configure_canfd_regs函数输入参数表" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/1700711377779.png 862w, https://www.tosunai.com/wp-content/uploads/2023/11/1700711377779-300x87.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/1700711377779-768x222.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/1700711377779-18x5.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/1700711377779-800x231.png 800w" sizes="auto, (max-width: 862px) 100vw, 862px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 37">															</div>
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									<p>上面这些参数看起来很繁琐，但是可以通过 TSMaster 的配置器直接查看到对应的参数值。以仲裁场 500k，仲裁采样点 80%，数据场 2000k，数据场采样点 80%为例。进入TSMaster，打开总线硬件配置，如图16所示。</p>								</div>
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															<img loading="lazy" decoding="async" width="988" height="414" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片16-1.png" class="attachment-large size-large wp-image-5568" alt="总线硬件配置" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片16-1.png 988w, https://www.tosunai.com/wp-content/uploads/2023/11/图片16-1-300x126.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片16-1-768x322.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片16-1-18x8.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片16-1-800x335.png 800w" sizes="auto, (max-width: 988px) 100vw, 988px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 38">															</div>
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									<p>展开仲裁段位时间选项，精确选择 80%的采样点，如图17所示：</p>								</div>
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															<img loading="lazy" decoding="async" width="830" height="443" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片17.jpg" class="attachment-large size-large wp-image-5570" alt="仲裁段位时间" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片17.jpg 830w, https://www.tosunai.com/wp-content/uploads/2023/11/图片17-300x160.jpg 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片17-768x410.jpg 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片17-18x10.jpg 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片17-800x427.jpg 800w" sizes="auto, (max-width: 830px) 100vw, 830px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 39">															</div>
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									<p>因此，可以看到 AArbSEG1 = 31，AArbSEG2 = 8， AArbPrescaler = 2；AArbSJW= 6（&lt;= AArbSEG2 即可），AArbBaudrate = 500。 </p><p>同理，可以获得数据场的参数配置，如图18所示：</p>								</div>
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															<img loading="lazy" decoding="async" width="829" height="470" src="https://www.tosunai.com/wp-content/uploads/2023/11/图片18.png" class="attachment-large size-large wp-image-5571" alt="数据段位时间" srcset="https://www.tosunai.com/wp-content/uploads/2023/11/图片18.png 829w, https://www.tosunai.com/wp-content/uploads/2023/11/图片18-300x170.png 300w, https://www.tosunai.com/wp-content/uploads/2023/11/图片18-768x435.png 768w, https://www.tosunai.com/wp-content/uploads/2023/11/图片18-18x10.png 18w, https://www.tosunai.com/wp-content/uploads/2023/11/图片18-800x454.png 800w" sizes="auto, (max-width: 829px) 100vw, 829px" title="干货分享|TSMaster采样点配置方法与消除错误帧流程 40">															</div>
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									<p>因此采样点和波特率等参数的获取和调整都可以在TSMaster中完成，通过这样的调试方式可以让TSMaster的功能充分发挥出来，更加便捷地帮助使用者完成开发所需。</p>								</div>
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		<p>&lt;p&gt;The post <a rel="nofollow" href="https://www.tosunai.com/tsmaster-sampling-point-configuration-method-and-error-frame-elimination-process/">干货分享|TSMaster采样点配置方法与消除错误帧流程</a> first appeared on <a rel="nofollow" href="https://www.tosunai.com">上海同星智能科技有限公司</a>.&lt;/p&gt;</p>
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