void clockConfiguration(void)
{
CS_setExternalClockSource( LF_CRYSTAL_FREQUENCY_IN_HZ, HF_CRYSTAL_FREQUENCY_IN_HZ );
/*
* Initialize LFXT crystal oscillator without timeout. In case of failure
* the code remains 'stuck' in this function.
*/
CS_turnOnLFXT( CS_LFXT_DRIVE_0 );
// Set DCO to run at 8MHz
CS_setDCOFreq( CS_DCORSEL_1, CS_DCOFSEL_3 );
// Set ACLK to use LFXT as its oscillator source (32KHz)
CS_initClockSignal( CS_ACLK, CS_LFXTCLK_SELECT, CS_CLOCK_DIVIDER_1 );
// Set SMCLK to use DCO as its oscillator source
CS_initClockSignal( CS_SMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1 );
// Set MCLK to use DCO as its oscillator source
CS_initClockSignal( CS_MCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1 );
#if DEBUG
MCLK = CS_getMCLK();
SMCLK = CS_getSMCLK();
ACLK = CS_getACLK();
__no_operation();
#endif
}
void vInitialiseTimerForIntQueueTest( void )
{
/* Configure the timer channels. */
MAP_Timer32_initModule( (uint32_t)TIMER32_0_BASE, TIMER32_PRESCALER_1, TIMER32_32BIT, TIMER32_PERIODIC_MODE );
MAP_Timer32_setCount( (uint32_t)TIMER32_0_BASE, CS_getMCLK() / tmrTIMER_0_FREQUENCY );
MAP_Timer32_enableInterrupt( (uint32_t)TIMER32_0_BASE );
MAP_Timer32_startTimer( (uint32_t)TIMER32_0_BASE, false );
MAP_Interrupt_setPriority( INT_T32_INT1, tmrLOWER_PRIORITY );
MAP_Interrupt_enableInterrupt( INT_T32_INT1 );
MAP_Timer32_initModule( (uint32_t)TIMER32_1_BASE, TIMER32_PRESCALER_1, TIMER32_32BIT, TIMER32_PERIODIC_MODE );
MAP_Timer32_setCount( (uint32_t)TIMER32_1_BASE, CS_getMCLK() / tmrTIMER_1_FREQUENCY );
MAP_Timer32_enableInterrupt( (uint32_t)TIMER32_1_BASE );
MAP_Timer32_startTimer( (uint32_t)TIMER32_1_BASE, false );
MAP_Interrupt_setPriority( INT_T32_INT2, tmrHIGHER_PRIORITY );
MAP_Interrupt_enableInterrupt( INT_T32_INT2 );
}
