Search found 5 matches
- Fri May 05, 2023 11:02 am
- Forum: ESP32 Arduino
- Topic: esp32c3 timer registers
- Replies: 3
- Views: 1628
Re: esp32c3 timer registers
I think that after an interrupt occurs, the timer value is not reset to 0, but the alarm value will simply increase, and I really don't like this work logic. tried to manually reset the value to 0 through the registers, and then set the new value, but it did not work.
- Fri May 05, 2023 8:01 am
- Forum: ESP32 Arduino
- Topic: esp32c3 timer registers
- Replies: 3
- Views: 1628
esp32c3 timer registers
Hello! I want to create a project where I need to use timer 0 to count an unlimited number of bars (time) and vice versa to count down a certain amount of time with a interupt at the end. these regimes must change quite quickly and often. tried to do it through the idf function, but it didn't work p...
- Sat Jul 17, 2021 12:07 pm
- Forum: ESP32 Arduino
- Topic: PCNT (Pulse Counter) example (arduino ide)
- Replies: 5
- Views: 12876
PCNT (Pulse Counter) example (arduino ide)
Hi. I need to count high frequency pulses. On the internet i found that the esp32 has such a thing as PCNT (Pulse Counter)
even found its description but nowhere can find an example that could ideally output the number of pulses per second in compor. Please help )
even found its description but nowhere can find an example that could ideally output the number of pulses per second in compor. Please help )
- Sat May 29, 2021 9:00 pm
- Forum: General Discussion
- Topic: fast pulse counter esp32
- Replies: 2
- Views: 3424
Re: fast pulse counter esp32
Did you mean the maximum number of pulses/sec is 10,000,000 (10 million) because that would be the max based on the 0.01uS pulse you stated. I have read in this forum that the maximum frequency of the pulse counter function is 40 Mhz. You can than configure the pulse counter to generate an interrup...
- Fri May 28, 2021 9:30 am
- Forum: General Discussion
- Topic: fast pulse counter esp32
- Replies: 2
- Views: 3424
fast pulse counter esp32
Hello everybody.) need count the pulses. The pulse itself lasts about 0.1 - 0.01 uS, and their number can reach 10,000,000,000 in 1 second (usually no more 100) . attachInterrupt not suitable because the entrance to the Interrupt takes 1.6 uS. Сan recommend what can be used for this ?