Communication ports, Clear_com, Close_com – Argox PA-20 Programming Guide User Manual
Page 91: Com_cts, Com_eot
PT-20 Programming Guide
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Purpose： Clear receive buffer
Syntax： void clear_com(int port);
Example call： clear_com(1);
Includes：
#include “SDK.h ”
Description： This routine is used to clear all data stored in the receive buffer. This can be
used to avoid mis-interpretation when overrun or other error occurred. Use
the argument “port” as the connect port which is chosen to open . You can
choose 1(RS232).
Returns： None
Purpose： To close specified communication port
Syntax： void close_com(int port);
Example call： close_com(1);
Includes：
#include “SDK.h ”
Description： The close_com disables the communication port specified. Use the
argument “port” as the connect port which is chosen to open . You can
choose 1(RS232).
Returns： None
Purpose： Get CTS level
Syntax： int close_com(int port);
Example call：
if (com_cts(1) = = 0) _printf(“COM 1 CTS is space);
else _printf(“COM 1 CTS is mark”);
Includes：
#include “SDK.h ”
Description： This routine is used to check current CTS level.
Use the argument “port” as
the connect port which is chosen to open. Now we only can choose
1(RS232).
Returns： 1 : allow to deliver
0 : not allow to deliver
Purpose： To see if any COM port transmission in process (End Of Transmission)
Syntax： int com_eot(int port);
Example call：
while (com_eot(1) != 0x00); write_com(1,”NEXT STRING”);
Includes：
#include “SDK.h ”