Salvo是一种非常精简的实时操作系统，可以运行在像PIC, 51这类RAM ROM很少的单片机上。这是PIC上的代码-Salvo is a very streamlined real-time operating system, you can run like the PIC, 51 such little RAM ROM Single Chip. This is the PIC code

PIC Microcom with wireless PN Code Generator Firmware source code with PIC21xx and Internal CLK