* Send command to RS232 serial device
Function SendCommand(Port, Baud, Command)
Local Kode
Local Buffer
* reset (open) the port
Kode = xSioReset(Port, 1024, 1024)
* error ? (negative return codes are errors)
if Kode < 0
return Kode
endif
xSioBaud(Port, Baud)
* send string
Kode = xSioPuts(Port, @Command, Len(Command))
if Kode < 0
return Kode
endif
* wait up to 500 mSec for a response
Kode = xSioWaitFor(Port, 500)
if Kode < 0
return Kode
endif
* allow time for entire response (depends on serial device)
Kode = xSioSleep(250)
* display response
Buffer = SPACE(256)
Kode = xSioGets(Port, @Buffer, 255)
if Kode > 0
? Left(Buffer, Kode)
endif
return Kode
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