8000 Waveform: int/uint8_t inconsistency and implied stop PWM by dok-net · Pull Request #8008 · esp8266/Arduino · GitHub
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Waveform: int/uint8_t inconsistency and implied stop PWM #8008

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Waveform: int/uint8_t inconsistency and implied stop PWM #8008

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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
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Clean code.
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@dok-net
dok-net committed Dec 23, 2022
commit 5de25bde5e3a947bc6f0f275ba6725451f5f8ef8
4 changes: 3 additions & 1 deletion cores/esp8266/core_esp8266_wiring_pwm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,9 @@ extern void __analogWriteMode(uint8_t pin, int val, bool openDrain) {
// val: the duty cycle: between 0 (always off) and 255 (always on).
// So if val = 0 we have digitalWrite(LOW), if we have val==range we have digitalWrite(HIGH)
if (_setPWM(pin, val, analogScale)) {
if (val > 0 && val < analogScale) analogMap |= (1 << pin);
if (val > 0 && val < analogScale) {
analogMap |= (1 << pin);
}
} else {
const bool detach = (val == 0 || val == analogScale);
// To go steady LOW or HIGH, let the waveform run into next duty cycle, if any. Then stop.
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