Search found 3 matches

by zachleedogg
Thu Jan 22, 2026 10:32 pm
Forum: ESP-IDF
Topic: NimBLE tx data sent callback is not from an interupt.
Replies: 2
Views: 407

Re: NimBLE tx data sent callback is not from an interupt.

Thanks, i'll look into that.

I still think it seems odd that there is no way to query the nimble buffer state before attempting to ble_gatts_notify_custom.

It seems that the only way to know if the buffer is full is to call ble_gatts_notify_custom and look for ENOMEM error returned.

I just ...
by zachleedogg
Tue Jan 20, 2026 9:52 pm
Forum: ESP-IDF
Topic: NimBLE tx data sent callback is not from an interupt.
Replies: 2
Views: 407

NimBLE tx data sent callback is not from an interupt.

Hello,

I'm using the nordic UART service and am successfully using it as a bluetooth serial console to an ESP32-S3 on a mobile phone.

My only issue is that sometimes I overrun the internal tx message FIFO and messages get dropped. I was using the ble_gap_event callback to detect when a TX message ...
by zachleedogg
Tue Oct 28, 2025 6:51 pm
Forum: Hardware
Topic: Trying to mirror GPIO 1 to GPIO 40
Replies: 0
Views: 2520

Trying to mirror GPIO 1 to GPIO 40

Using a ESP32-S3-1 WROOM. Custom circuit board.

I designed a pcb to work with a 3.5" TFT display over 8bit parallel interface. I failed to notice that the firmware driver for this display requires many IO to be in range 0-31.

Two of my IO do not meet the requirement.

I wonder if it is possible to ...

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