TTS and ASR module with auto Voice Active Detecting supported for Freeswitch. I build it for Nature sound interactive, With the embedded LUA engine we could easly build a Freeswtich application like this.
A small embedded Modbus protocol stack, written in C language, support master and slave, support discrete mapping, support non-blocking and blocking read and write mode, and provide a complete example, can be transplanted to different processors, simple to use, portable.