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Full consolidation of "phase locking" and "PWM locking" waveform generators #8011

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Full consolidation of "phase locking" and "PWM locking" waveform generators #8011

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b89932c
Pin has uint8_t, not int type.
dok-net Apr 29, 2021
2776d16
Can't image stopWaveform is called but PWM shall not stop.
dok-net Apr 29, 2021
98537bd
let analogWrite coexist with open-drain mode
dok-net May 2, 2021
36b2bd3
Don't force timer on PWM update as this is pulled by ISR, but only im…
dok-net May 2, 2021
ff0782c
Correct shutdown sequence for phase-sync waveform generator in analog…
dok-net May 2, 2021
293f767
Correction to IRQ latency and ISR delta logic.
dok-net May 3, 2021
50ded37
Early firing the ISR causes interruption to other waveforms, let it p…
dok-net May 3, 2021
f17ba7f
Stopping of the same pin always wins over starting.
dok-net May 3, 2021
5de25bd
Clean code.
dok-net May 19, 2021
6dbd371
Prevent initial bad clock drift calculation on timer init.
dok-net May 31, 2021
d8893b0
stopWaveform in _setPWM caused unconditional _stopPWM.
dok-net Jun 6, 2021
9c612a9
Prevent inlining of `initTimer()`
dok-net Dec 10, 2022
a1ffcbd
Merge PWM code and updated generic phase-locking waveform code into u…
dok-net May 3, 2021
e662f2d
Remove enablePhaseLockedWaveform().
dok-net May 1, 2021
8750088
Remove paranoid check.
dok-net May 1, 2021
6bafed4
Carry over a few insights from comparing to original waveform (phase-…
dok-net May 3, 2021
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5 changes: 0 additions & 5 deletions cores/esp8266/Tone.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,6 @@ static void _startTone(uint8_t _pin, uint32_t high, uint32_t low, uint32_t durat
return;
}

// Stop any analogWrites (PWM) because they are a different generator
_stopPWM(_pin);
// If there's another Tone or startWaveform on this pin
// it will be changed on-the-fly (no need to stop it)

pinMode(_pin, OUTPUT);

high = std::max(high, (uint32_t)microsecondsToClockCycles(25)); // new 20KHz maximum tone frequency,
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4 changes: 0 additions & 4 deletions cores/esp8266/core_esp8266_features.h
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Original file line number Diff line number Diff line change
Expand Up @@ -123,9 +123,6 @@ inline int esp_get_cpu_freq_mhz()
#endif


// Call this function in your setup() to cause the phase locked version of the generator to
// be linked in automatically. Otherwise, the default PWM locked version will be used.
void enablePhaseLockedWaveform(void);

// Determine when the sketch runs on ESP8285
#if !defined(CORE_MOCK)
Expand All @@ -136,7 +133,6 @@ inline bool esp_is_8285()
return false;
}
#endif

#ifdef __cplusplus
}
#endif
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