我需要用两个串口，连接两个仪器，现在我的程序是列出了两个选项框，分别让用户去选择，然后分别点击打开。串口号这么多，用户很多时候也不知道这两个分别连接的是哪个串口，所以很不方便。有什么办法可以让下拉框里只显示出相应的串口-I need to use two serial port, connecting the two instruments, and now my program is listed two options box, let the user to select, and the

STC单片机串口接收多个字节，晶振频率必须为11。0592MHz，以减小串口传输误差。-STC microcontroller serial port to receive multiple bytes, the crystal frequency must be 11.0592MHz, to reduce the serial transmission errors.

用labview编写的采集温度的多个通道通讯的程序，用STM32的串口发送数据到电脑上-Prepared using the acquisition temperature of the multi-channel communication procedures, using STM32 serial port to send data to the computer

多个串口通信VI通过开关量实现交互，每次保证一个VI在运行