我想利用功能代码= 03,这意味着读取保持寄存器,但是在连接硬件后出现一些错误。
我用的是j2mod-1.06 jar文件和rxtx,我用的是eclipse,在eclipse中,在覆盖期间它的这一部分显示为红色,这意味着它没有运行。
row
此处是其代码
<div class="container">
<div class="row justify-content-center">
<div class="col-xl-4 col-md-6 col-lg-4">
<div class="footer_widget">
<h3 class="footer_title">
Enter your number
</h3>
<form asp-action="Search" method="get" class="newsletter_form">
<input type="text" name="number" placeholder="Enter your number" style="height: 50px;background: #fff;padding-left: 20px;font-size: 15px;color: #000;border: 1px solid #596672;border-radius: 30px;width: 100%;">
<button type="submit" style="position: absolute;height: 40px; border: none;color: #fff;background: #2EBDBE; padding: 0 22px; cursor: pointer; border-radius: 30px; top: 5px; right: 5px; font-size: 13px; font-weight: 500;">
Submit
</button>
</form>
<p class="newsletter_text">
Enter your number/name and click on submit ....
</p>
</div>
</div>
</div>
</div>
这是我得到的错误。
catch (Exception exception)
{
System.out.println("Not Run");
exception.printStackTrace();
}
/* Read the first four holding registers */
try
{
slaveResponse = serialMaster.readMultipleRegisters(unitID, startingRegister, registerCount);
for (int i = 0; i < slaveResponse.length; i++)
{
System.out.println("reg" + i + " = " + slaveResponse[i]);
}
}