读取和写入串行端口。使用功能读取和写入串行端口。其中函数用于读取资源名

Read and write serial ports. Use the function to read and write the serial port. The function is used to read the specified amount of bytes of the device or interface specified by the resource name and return the data to the playback buffer. The name of the resource indicates the resource to be opened; the total number of bytes is the number of bytes to be read; the output of the resource name is the copy returned by the function; the read buffer contains the data read from the device. The write function allows data written to the buffer to be written to the device or interface specified by the resource name.

Read and write to serial ports. Use the feature to read and write to serial ports. Where the function reads the specified number of bytes of the device or interface specified by the resource name, and returns the data to the playback buffer. The name of the resource indicates the resource to be opened; the total number of bytes to read; the output of the resource name is a copy of the function returned; and the read buffer contains the data read from the device. The write feature allows data written to the buffer to be written to a device or interface specified by the resource name.

Read and write to the serial port. Use the function to read and write to the serial port. The function is used to read the specified byte amount of the device or interface specified by the resource name and return the data to the playback buffer. Where the name of the resource indicates the resource to open; the total number of bytes is the number of bytes to read; the output of the resource name is the copy returned by the function; the read buffer contains the data read from the device. The write function allows data written to the buffer to be written to a device or interface specified by the resource name.<br>