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Rev.1.00 2007.11.1
REC10B0002-0100
27
__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 );
}