Search found 4 matches

by berpast
Sun Mar 12, 2017 10:53 am
Forum: General Discussion
Topic: Reducing clock frequency
Replies: 7
Views: 21740

Re: Reducing clock frequency

I just pulled the latest idf and I'm unable to find any new code that would allow to reduce the frequency.
I don't want to pressure the dev team, but is there any update plan for the development of this item?
by berpast
Sun Feb 26, 2017 10:56 pm
Forum: General Discussion
Topic: Reducing clock frequency
Replies: 7
Views: 21740

Reducing clock frequency

In order to reduce the power consumption, while still retaining WiFi connections, I cannot use deep sleep mode.
For this reason I'm trying to reduce the frequency to 2MHz.

The frequency gets properly reduces by calling the function rtc_set_cpu_freq and properly scaling the variable _xt_tick_divisor ...
by berpast
Thu Feb 16, 2017 10:46 pm
Forum: General Discussion
Topic: Battery and listening on wi-Fi
Replies: 7
Views: 27196

Re: Battery and listening on wi-Fi

I started measuring the current used by my ESP32. In menuconfig I enabled both WiFi and bluethoot, but anyhow I'm running a simple program like:

void app_main(void)
{
while (true) {
ESP_LOGI("Log", "Log\n");
vTaskDelay(5000 / portTICK_PERIOD_MS);
}
}

This program continuously consumes about ...
by berpast
Mon Feb 06, 2017 12:51 pm
Forum: General Discussion
Topic: Battery and listening on wi-Fi
Replies: 7
Views: 27196

Battery and listening on wi-Fi

I have two contrasting requirements:
1) Save on battery usage
2) Listen over Wi-Fi for commands coming from the cloud (I use MQTT to communicate with my platform)

I would like to receive the commands as soon as possible, but still save on battery usage as much as possible.

Is there any low power ...

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