Search found 3 matches
- Fri Jan 30, 2026 7:10 am
- Forum: ESP-IDF
- Topic: ESP32C2 data retention between deep-sleep resets
- Replies: 4
- Views: 383
- Wed Jan 28, 2026 10:53 am
- Forum: ESP-IDF
- Topic: ESP32C2 data retention between deep-sleep resets
- Replies: 4
- Views: 383
ESP32C2 data retention between deep-sleep resets
Hi!
I'm using deep sleep in my ESP32C2 application and I need to keep one measly uint16_t between resets.
RTC_DATA_ATTR seem to not work.
I read the reference manual and there seem to be 8-32bit registers that persist (RTC_CNTL_STORE0..7_REG) but in ESP-IDF's rtc.h I see they are all used by ESP ...
I'm using deep sleep in my ESP32C2 application and I need to keep one measly uint16_t between resets.
RTC_DATA_ATTR seem to not work.
I read the reference manual and there seem to be 8-32bit registers that persist (RTC_CNTL_STORE0..7_REG) but in ESP-IDF's rtc.h I see they are all used by ESP ...
- Fri Jul 16, 2021 6:43 am
- Forum: ESP-AT
- Topic: Can't build esp-at project (classic bluetooth needed)
- Replies: 3
- Views: 15379
Can't build esp-at project (classic bluetooth needed)
Hello!
We want to enable Classic BT on WROOM-32D, so I tried to follow this simple guide: https://docs.espressif.com/projects/esp-at/en/latest/Compile_and_Develop/How_to_clone_project_and_compile_it.html
I'm stuck at "Configure", point 4.
I already tried what suggested in this link
https://www ...
We want to enable Classic BT on WROOM-32D, so I tried to follow this simple guide: https://docs.espressif.com/projects/esp-at/en/latest/Compile_and_Develop/How_to_clone_project_and_compile_it.html
I'm stuck at "Configure", point 4.
I already tried what suggested in this link
https://www ...