__interrupt void TIMER0_B1_VECTOR_ISR(void)
#endif
{
switch(__even_in_range(TB0IV,14))
{
case 0: break; // No interrupt
case 2: break; // CCR1 not used
case 4: break; // CCR2 not used
case 6: break; // CCR3 reserved
case 8: break; // CCR4 reserved
case 10: break; // CCR5 reserved
case 12: // CCR6
/* INLINED because we don't want extra overhead of a function call */
/* This requires ~10 us */
{
current = TB0CCR6;
#if DEBUG_SOFTWARE_FLL
/* set debug pulse after reading count value */
DEBUG3_HIGH();
#endif
difference = current - previous;
/* Get current dco_mod value ignoring reserved bits */
ucs_dco_mod = (UCSCTL0 & MOD_MASK);
if ( FirstPassComplete == 'F')
{
if ( difference > EXPECTED_DELTA )
{
DecrementMod();
}
else if ( difference < EXPECTED_DELTA )
{
IncrementMod();
}
/* Write the value to the register */
UCSCTL0 = (ucs_dco_mod & MOD_MASK);
}
else
{
/* set flag and wait for next time */
FirstPassComplete = 'F';
}
previous = current;
TB0CCTL6 &= ~CCIFG;
#if DEBUG_SOFTWARE_FLL
DEBUG3_LOW();
#endif
}
break;
default:
break;
}
}
void vApplicationIdleHook(void)
{
/* Put the processor to sleep if the serial port indicates it is OK and
* all of the queues are empty.
*
* This will stop the OS scheduler.
*/
SppReadyToSleep = SerialPortReadyToSleep();
TaskDelayLockCount = GetTaskDelayLockCount();
AllTaskQueuesEmptyFlag = AllTaskQueuesEmpty();
#if 0
if ( SppReadyToSleep )
{
DEBUG3_HIGH();
}
else
{
DEBUG3_LOW();
}
#endif
if ( SppReadyToSleep
&& TaskDelayLockCount == 0
&& AllTaskQueuesEmptyFlag )
{
extern xTaskHandle IdleTaskHandle;
CheckStackUsage(IdleTaskHandle,"Idle Task");
/* Call MSP430 Utility function to enable low power mode 3. */
/* Put OS and Processor to sleep. Will need an interrupt */
/* to wake us up from here. */
MSP430_LPM_ENTER();
}
}
