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修改时间 09-27-2008 09:22 PM
帮忙看看我的程序
为什么每次要读串口的数据时都出现这个错误-1073807253,有时候读出的数据是正确的。也有时候读出错误的结果或者读不出数据
写入的字符AE,8E,分别是我的串口设备启动和停止命令。十六进制字符。
02,为写入的查询命令,应该返回值0007 0000 ,也是十六进制字符。
用串口调试助手调试时,没有问题。
修改时间 09-27-2008 09:25 PM
修改时间 10-05-2008 07:49 PM
请高手帮帮忙,看一下我的程序
修改时间 10-05-2008 09:18 PM
修改时间 10-06-2008 02:06 AM
可是读出的数据是已经读完了的
没有遗漏啊
修改时间 10-07-2008 10:00 PM
你的现象有些怪
看程序结构并没有问题
而且你也串口通讯是正常的
所以很有必要看一下你的设备是不是串口有问题
另外就是有没有同时运行的其他串口相关程序与该程序冲突
修改时间 10-08-2008 12:37 AM
if 用串口调试助手调试时,没有问题。
and I have viewed enclosed sample, I comment the first delay is quite not enought, just 0.01s,
solution: attempt to modify all delay time to 300ms above.....
修改时间 10-08-2008 01:24 AM
谢谢轻风清雨的回复
我运行LABVIEW时,串口调试助手,max,等都是关闭的。没有冲突啊。
修改时间 10-08-2008 01:26 AM
to Yukee
I tried modify all delay time to 500 ms.
but nothing changed.
the same error still happened.
修改时间 10-08-2008 01:52 AM
reinstall ur Labview and visa driver
may be something wrong with them
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