uS Delay Function Using Core Timer
//******************************
//******************************
//********** DELAY US **********
//******************************
//******************************
//Uses Core Timer
void delay_us (uint16_t delay)
{
unsigned int int_status;
int_status = INTDisableInterrupts();
OpenCoreTimer((INSTRUCTION_CLOCK_FREQUENCY / 2000000) * delay); // Core Timer updates every 2 ticks
mCTClearIntFlag(); //Clear core timer interrupt flag before re-enabling interrupts to avoid posibility of ISR from another interrupt causing us to miss the CT interrupt.
INTRestoreInterrupts(int_status);
while( !mCTGetIntFlag() )
;
mCTClearIntFlag();
}mS Delay Function Using Core Timer
//#define INSTRUCTION_CLOCK_FREQUENCY 80000000
//******************************
//******************************
//********** DELAY MS **********
//******************************
//******************************
//Uses Core Timer
void delay_ms (uint16_t delay)
{
unsigned int int_status;
while(delay--)
{
int_status = INTDisableInterrupts();
OpenCoreTimer(INSTRUCTION_CLOCK_FREQUENCY / 2000); // Core Timer updates every 2 ticks
mCTClearIntFlag(); //Clear core timer interrupt flag before re-enabling interrupts to avoid posibility of ISR from another interrupt causing us to miss the CT interrupt.
INTRestoreInterrupts(int_status);
while( !mCTGetIntFlag() )
;
}
mCTClearIntFlag();
}
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