Getinterruptflag - Renesas M16C/62P Group Reference Manual

__GetInterruptFlag

Synopsis <Get the status of external interrupt flag>
Boolean __GetInterruptFlag(unsigned long data1, unsigned int *data2))
Gets the value of interrupt request flag of a specified external interrupt.
Description
[data1]
[data2]
Return value If the external interrupt specification is incorrect, RAPI_FALSE is returned; otherwise,
RAPI_TRUE is returned.
Functionality External interrupt
__SetInterrupt, __EnableInterrupt,
Reference
•
Remark
Program example
#include " rapi_interrupt_m16c_62p.h"
void func( void )
{
}
Rev.1.00 2007.11.1
REC10B0002-0100
data1 Setup data 1
data2 Pointer to the buffer in which the acquired flag data is stored
RAPI_INT0 Uses _INT0 interrupt.
RAPI_INT1 Uses _INT1 interrupt.
RAPI_INT2 Uses _INT2 interrupt.
RAPI_INT3 Uses _INT3 interrupt.
RAPI_INT4 Uses _INT4 interrupt.
RAPI_INT5 Uses _INT5 interrupt.
RAPI_KEY Uses key input interrupt.
0 0 0 0 0
Value of interrupt request flag (0: Interrupt not requested; 1: Interrupt requested)
If an undefined value is specified in the first argument, operation of the API cannot
be guaranteed.
unsigned char data;
/* Get flag of _INT2 interrupt */
__GetInterruptFlag( RAPI_INT2, &data );
0 0
__ClearInterruptFlag
85