Other Serial Port Api; Get_Com_Status - ICP DAS USA MP-8 43 Series Function Reference

Serial
4.4 Other

4.4.1 Get_Com_Status

Description:
The function can obtain COM Port status.
Syntax:
long Get_Com_Status
Parameter:
cPort:
Return Value:
0 :
1 :
<0:
Example:
unsigned char m_ComPort=3;
DWORD m_baudrate=9600;
char m_databit=8;
char m_parity=0;
char m_stopbit=0;
WORD t1,t2;
long RET ;
RET= Get_Com_Status(m_ComPort);
RET=Open_Com(m_ComPort, m_baudrate, m_databit, m_parity, m_stopbit);
RET= Get_Com_Status(m_ComPort);
RET=Close_Com(m_ComPort);
Remark:
http://www.icpdas.com
port API
(unsigned char
[Input] 1=COM1, 2=COM2 .... , MAXPORT
COM port is not in used.
COM port is in used.
Error code, please refer to "Appendix A Error Code".
//Com_port of PAC
MP-8x43 Function Reference V 1.0
++
[C ]
cPort)
//RET= 0
//RET= 1
100