PutCom2

Availability

All terminals

Description

PutCom2() transmits a character through the specified serial communications port.

Syntax

int PutCom2( int port, unsigned char c );

Arguments

unsigned char c

Character or byte that is to be transmitted

int port

port specifies which serial communications port is to be opened. See the table below for details.

Terminal	Supported ports	Description
OPN-2500 & OPN-6000	COM0 COM1 COM7 COM8 COM9 COM10 COM11 COM12 COM13 COM14 COM15 COM16 COM17 COM18	USB-VCP (Opticon 1D COM-Port) USB-CDC (Opticon 2D COM-Port) USB-CDC (OptiConnect) USB-CDC (Opticon 2D COM-Port) USB-HID (Human Interface device) USB-MSD (Mass Storage) Bluetooth HID (No white list) Bluetooth HID (White list) Bluetooth LE UART & OptiConnect (No white list) Bluetooth LE UART & OptiConnect (White list) Bluetooth LE OptiConnect(No white list) Bluetooth LE OptiConnect (White list) Bluetooth LE UART (No white list) Bluetooth LE UART (White list)

int c

c is the character that is to be transmitted.

Returns

OK or ERROR.

Remarks

When the COM port was not opened previously, ERROR will be returned.

Example

#include <stdio.h>
#include "lib.h"

void main( void )
{
    int ch;

    ComOpen( COM9 );    // Open the COM port for USB-VCP

    for(;;)
    {
        if( (ch = GetCom2( COM9, 0 )) != -1)
        {
            PutCom2( COM9, ch );
        }
        Idle();    // Very important to lower the power consumption
    }
}