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esp8266/modmachine: In lightsleep, only waiti if wifi is turned off.

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Otherwise the STA interface can't do DTIM sleeping correctly and power
consumption goes up.
This commit is contained in:
Damien George 2019-01-31 00:05:00 +11:00
parent 4dfcc255d5
commit 3ff3e96865
1 changed files with 5 additions and 1 deletions
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6
ports/esp8266/modmachine.c
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@ -105,10 +105,14 @@ STATIC mp_obj_t machine_lightsleep(size_t n_args, const mp_obj_t *args) {
}
max_us = max_ms * 1000;
}
uint32_t wifi_mode = wifi_get_opmode();
uint32_t start = system_get_time();
while (system_get_time() - start <= max_us) {
ets_event_poll();
asm("waiti 0");
if (wifi_mode == NULL_MODE) {
// Can only idle if the wifi is off
asm("waiti 0");
}
}
return mp_const_none;
}