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Code Issues Releases Wiki Activity

fix esp8266 remote_transmitter using incorrect timings (#1465)

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* replace delay by delayMicroseconds in delay_microseconds_accurate

* Use delay(0) to let wifi and os function run

* Linting

* Remove unneeded delayMicroseconds, keep it for low usec

* Avoid micros() overflow issue
This commit is contained in:
hcoohb
2021-02-02 00:59:27 +10:00
committed by GitHub
parent 4eeb111fa3
commit f402c89539
1 changed files with 7 additions and 5 deletions
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12
esphome/core/helpers.cpp
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@@ -171,15 +171,17 @@ uint8_t crc8(uint8_t *data, uint8_t len) {
} }
return crc; return crc;
} }
void delay_microseconds_accurate(uint32_t usec) { void delay_microseconds_accurate(uint32_t usec) {
if (usec == 0) if (usec == 0)
return; return;
if (usec < 5000UL) {
if (usec <= 16383UL) {
delayMicroseconds(usec); delayMicroseconds(usec);
} else { return;
delay(usec / 1000UL); }
delayMicroseconds(usec % 1000UL); uint32_t start = micros();
while (micros() - start < usec) {
delay(0);
} }
} }