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1 serial i/o, Basicopenserialdriver – Renesas M16C/62P Group User Manual

Page 18

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Rev.1.00 2007.11.1
REC10B0002-0100

16

4.2.1 Serial I/O

__BasicOpenSerialDriver

Synopsis

Boolean __BasicOpenSerialDriver(unsigned long data)

data Setup

data

Description

Opens and initializes a specified serial port.

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

__BasicCloseSerialDriver

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 __BasicOpenSerialDriver( RAPI_COM1 );
}