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by ky3orr
Sun Jul 07, 2024 12:36 pm
Forum: ESP32 Arduino
Topic: How to lower GPIO/PCNT ISRs service time on CORE0 or get rid of FreeRTOS?
Replies: 0
Views: 1110

How to lower GPIO/PCNT ISRs service time on CORE0 or get rid of FreeRTOS?

Hi All, I am working on DPLL design where I am synchronizing external 10MHz OCXO to the external GNSS PPS signal. I am using PCNT to get OCXO readouts and PPS ISR to lock PCNT readouts as this signal gates the measurements. PCNT overflow ISR handles data queueing which is picked up next by the appli...