Renesas M16C/62P Group Computer Hardware User Manual


 
Rev.1.00 2007.11.1
REC10B0002-0100
16
4.2.1 Serial I/O
__BasicOpenSerialDriver
Synopsis
<Open a serial port>
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 );
}