vscphlp_setRemoteVariableDouble

int vscphlp_setRemoteVariableDouble( long handle, 
                                    const char *pName, 
                                    double value )

Parameters

handle

Handle for the communication channel obtained from a call to vscphlp_newsession.

pName

Pointer to a string containing the name of the variable. This name should have a character a-z as its first character and is not case sensitive.

value

Pointer to double variable that get the value of the string variable.

Return Value

Return VSCP_ERROR_SUCCESS on success, VSCP_ERROR_ERROR on failure. If the connection is closed VSCP_ERROR_CONNECTION is returned. VSCP_ERROR_PARAMETER is returned if called while in a receive loop.

Description

Set variable value from double variable.

Example

// Write a value to an float variable
if ( VSCP_ERROR_SUCCESS == 
        ( rv = vscphlp_setRemoteVariableDouble( handle1, "test_float_variable", 1.2345001 )  ) ) {
    printf( "Command success: vscphlp_setRemoteVariableDouble on channel 1\n" );
}
else {
    printf("\aCommand error: vscphlp_setRemoteVariableDouble on channel 1  Error code=%d\n", rv);
}

See Also

vscphlp_getRemoteVariableDouble


Very Simple Control Protocol
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