Search found 6 matches

by tosemusername
Mon Sep 30, 2019 7:31 pm
Forum: ESP32 IDF
Topic: Timer divider and frequency
Replies: 5
Views: 432

Re: Timer divider and frequency

Bumping...
by tosemusername
Tue Sep 24, 2019 10:00 pm
Forum: ESP32 IDF
Topic: Timer divider and frequency
Replies: 5
Views: 432

Re: Timer divider and frequency

Awesome. A couple more questions... https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/timer.html#interrupts When handling an interrupt within an interrupt serivce routine (ISR) I don't really get the wording here. Interrupts are handled inside ISRs, right? Since that's ...
by tosemusername
Tue Sep 17, 2019 5:24 pm
Forum: ESP32 IDF
Topic: Timer divider and frequency
Replies: 5
Views: 432

Re: Timer divider and frequency

Oh well, I just posted another closely related question on the forums and I can't find it due to it being submitted to approval, because I thought this one had not been posted and I didn't see any notification until after I did it. I would like the discussion to continue on the other thread, as I go...
by tosemusername
Tue Sep 17, 2019 5:01 pm
Forum: General Discussion
Topic: ESP32 timer
Replies: 1
Views: 161

ESP32 timer

1. What is the point of a prescaler anyway? From what I understand, it scales down the clock count, which basically reduces the resolution of the counter. 2. Why would that be good or intended? There must be a very good reason why hardware makers would put that in a CPU, and why is that? Moving on t...
by tosemusername
Mon Sep 09, 2019 5:50 pm
Forum: ESP32 IDF
Topic: Timer divider and frequency
Replies: 5
Views: 432

Timer divider and frequency

https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/timer.html#introduction The ESP32 chip contains two hardware timer groups. Each group has two general-purpose hardware timers. They are all 64-bit generic timers based on 16-bit prescalers and 64-bit up / down counters ...
by tosemusername
Mon Feb 25, 2019 5:52 pm
Forum: ESP-IDF 中文讨论版
Topic: ESP_ERR_NVS_NEW_VERSION_FOUND 错误如何解决
Replies: 4
Views: 1858

Re: ESP_ERR_NVS_NEW_VERSION_FOUND 错误如何解决

If newer firmware (v3.2) sees the NVS partition produced by older firmware, it will automatically update the format of the partition.
What exactly performs this action? And when is it performed?
Is it one of the python scripts at building time, or automatically at boot time? Or what?

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