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Rev.1.01 2007.02.16
RJJ10J1643-0101
33
__BasicSendingStatusRead
Synopsis
<Read transmit status>
Boolean __BasicSendingStatusRead(unsigned long data)
data Setup data
Description
Returns the transmit status of serial communication. For data, the following values can
be set.
(M16C)
RAPI_COM1 UART0 RAPI_COM2 UART1
RAPI_COM3 UART2 RAPI_COM4 SI/O3
RAPI_COM5 SI/O4
(R8C)
RAPI_COM1 UART0 RAPI_COM2 UART1
(H8/300H)
RAPI_COM1 SCI3 channel 1 RAPI_COM2 SCI3 channel 2
RAPI_COM3 SCI3 channel 3
Return value
If no data exists in the transmit buffer, RAPI_TRUE is returned; if data exists,
RAPI_FALSE is returned.
Functionality
Serial I/O
Reference
__BasicStartSerialSending
, __BasicStopSerialSending
Remark
•
The specifiable serial ports differ with each CPU used.
•
If an undefined value is specified in the argument, operation of the API cannot be
guaranteed.
Program example
#include ”rapi_sif_r8c_13.h”
void func( void )
{
..........
if (__BasicSendingStatusRead( RAPI_COM1 ) == RAPI_TRUE) {
/* Transmission completion */
}
..........
}