void stepperSetSpeed(uint32_t rpm)
{
uint32_t ticksOneRPM = ((CFG_CPU_CCLK/SCB_SYSAHBCLKDIV) / stepperStepsPerRotation) * 60;
// Set stepper RPM
stepperStepDelay = ticksOneRPM / rpm;
// Initialise 32-bit timer 0 with the appropriate delay
timer32Init(0, stepperStepDelay);
timer32Enable(0);
}
void WAKEUP_IRQHandler(void)
{
uint32_t regVal;
// Reconfigure system clock/PLL
cpuPllSetup(CPU_MULTIPLIER_6);
// Clear match bit on timer
TMR_TMR32B0EMR = 0;
// Clear pending bits
SCB_STARTRSRP0CLR = SCB_STARTRSRP0CLR_MASK;
// Clear SLEEPDEEP bit
SCB_SCR &= ~SCB_SCR_SLEEPDEEP;
// Disable the deep sleep timer
TMR_TMR32B0TCR = TMR_TMR32B0TCR_COUNTERENABLE_DISABLED;
/* This handler takes care of all the port pins if they
are configured as wakeup source. */
regVal = SCB_STARTSRP0;
if (regVal != 0)
{
SCB_STARTRSRP0CLR = regVal;
}
// Reconfigure CT32B0
timer32Init(0, TIMER32_DEFAULTINTERVAL);
timer32Enable(0);
// Perform peripheral specific and custom wakeup tasks
pmuRestoreHW();
/* See tracker for bug report. */
__asm volatile ("NOP");
return;
}
