windows 串口通信。有关串口输入输出，I/O操作。 RS－232接口原理实现-windows serial communication. The serial input and output, I / O operations. RS-232 interface is realized

serial programming, posix serial api,serial how to, RS-232 programming in linux, etc -serial programming, posix serial api,serial how to, RS-232 programming in linux, etc ....

Simple UPS monitoring daemon v1.2 (supsd) uses a simple dumb serial cable (RS-232) connected to UPS/No-break Power Supply, in order to shutdown system when it gets running for a while using the battery power.-Simple UPS monitoring daemon v1.2 (supsd)

Definitions for modes of operations of synchronous serial lines, both RS-232 and RS-449 This structure must be kept under 16 bytes in order to work with the ifreq ioctl kludge.