static inline u32 dispatch_t150(t150 a151, t18 a152)
{
switch (a151) {
case FUN_ENUM_align32:
return align32(a152);
default:
return min_u32(a152);
}
}
static ICACHE_RAM_ATTR void timer1Interrupt() {
uint32_t nextEventCycles;
#if F_CPU == 160000000
uint8_t cnt = 20;
#else
uint8_t cnt = 10;
#endif
do {
nextEventCycles = MicrosecondsToCycles(MAXIRQUS);
for (size_t i = 0; i < countof(waveform); i++) {
Waveform *wave = &waveform[i];
uint32_t now;
// If it's not on, ignore!
if (!wave->enabled) {
continue;
}
// Check for toggles
now = GetCycleCount();
int32_t cyclesToGo = wave->nextServiceCycle - now;
if (cyclesToGo < 0) {
wave->state = !wave->state;
if (wave->state) {
SetGPIO(wave->gpioMask);
if (wave->gpio16Mask) {
GP16O |= wave->gpio16Mask; // GPIO16 write slow as it's RMW
}
wave->nextServiceCycle = now + wave->nextTimeHighCycles;
nextEventCycles = min_u32(nextEventCycles, wave->nextTimeHighCycles);
} else {
ClearGPIO(wave->gpioMask);
if (wave->gpio16Mask) {
GP16O &= ~wave->gpio16Mask;
}
wave->nextServiceCycle = now + wave->nextTimeLowCycles;
nextEventCycles = min_u32(nextEventCycles, wave->nextTimeLowCycles);
}
} else {
uint32_t deltaCycles = wave->nextServiceCycle - now;
nextEventCycles = min_u32(nextEventCycles, deltaCycles);
}
}
} while (--cnt && (nextEventCycles < MicrosecondsToCycles(4)));
uint32_t curCycleCount = GetCycleCount();
uint32_t deltaCycles = curCycleCount - lastCycleCount;
lastCycleCount = curCycleCount;
// Check for timed-out waveforms out of the high-frequency toggle loop
for (size_t i = 0; i < countof(waveform); i++) {
Waveform *wave = &waveform[i];
if (wave->timeLeftCycles) {
// Check for unsigned underflow with new > old
if (deltaCycles >= wave->timeLeftCycles) {
// Done, remove!
wave->enabled = false;
ClearGPIO(wave->gpioMask);
GP16O &= ~wave->gpio16Mask;
} else {
uint32_t newTimeLeftCycles = wave->timeLeftCycles - deltaCycles;
wave->timeLeftCycles = newTimeLeftCycles;
}
}
}
if (timer1CB) {
nextEventCycles = min_u32(nextEventCycles, timer1CB());
}
#if F_CPU == 160000000
if (nextEventCycles <= 5 * MicrosecondsToCycles(1)) {
nextEventCycles = MicrosecondsToCycles(1) / 2;
} else {
nextEventCycles -= 5 * MicrosecondsToCycles(1);
}
nextEventCycles = nextEventCycles >> 1;
#else
if (nextEventCycles <= 6 * MicrosecondsToCycles(1)) {
nextEventCycles = MicrosecondsToCycles(1) / 2;
} else {
nextEventCycles -= 6 * MicrosecondsToCycles(1);
}
#endif
ReloadTimer(nextEventCycles);
}
