Renesas M16C/62P Group

Rev.1.00 2007.11.1

REC10B0002-0100

__OpenSerialDriver

Synopsis <Open a serial port>

Boolean __OpenSerialDriver(unsigned long data)

data Setup data

Description Opens and initializes a specified serial port.

[data]

For data, the following values can be set.

RAPI_COM1 UART0 RAPI_COM2 UART1

RAPI_COM3 UART2 RAPI_COM4 SI/O3

RAPI_COM5 SI/O4

Return value

If the serial port specification is incorrect, RAPI_FALSE is returned; otherwise,

RAPI_TRUE is returned.

Functionality Serial I/O

Reference __CloseSerialDriver

Remark • If an undefined value is specified in the argument, operation of the API cannot be

guaranteed.

Program example

#include ”rapi_sif_m16c_62p”

void func( void )

{

/* Open serial driver */

return __OpenSerialDriver( RAPI_COM1 );

}