Control Hardware from VFP's MsComm Routine with RS8255 72 I/O Port
RS8255 PC Remote RS232/RS422 Control Set has main control assemble with AT89S8252 Microcontroller supported Microsoft Communication Control of VFP Rounties. Sample control hardware VFP’s code included How to Switch ON or Switch OFF and How to read status value in 72 Bit I/O ports.That the combinenation serial communication with rs xxx and I/O port is the better way, because the implementation in win/NT or w2k .. xp is possible.More Detial Please Visite my website at http://thaisofthouse.cjb.net (Thaifox Programmer)
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