Hi, Im working on a project using ESP32s3 for a HID USB device
As the power consumption and temp of the chip is bit higher then requirement
So I use external 32.768kHz xtal for BLE light sleep followed by this guide
https://github.com/espressif/esp-idf/is ... -500312453
which work fine, the temp does drop.
But a weird situation is that some some of the samples BLE not work normally and return error state 133
I want to ask if using 32.768kHz for BLE will cause any drawback?
or anything needed to be taken extra care?
Thank you for the help!
Any drawback if use external 32.768kHz xtal for BLE light sleep
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- Posts: 7
- Joined: Fri Sep 02, 2022 1:33 am
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- Posts: 7
- Joined: Fri Sep 02, 2022 1:33 am
Re: Any drawback if use external 32.768kHz xtal for BLE light sleep
Some update:
1. Some sample just keep reset itself
2. Some of them could be connected with BLE, but disconnected after a few sec with reason 0x08 (connection timeout)
3. There are a LED driven by IO12 will be turn on after power up, the abnormal samples will have a uneven flashing on that.
Thank for the great help!
1. Some sample just keep reset itself
2. Some of them could be connected with BLE, but disconnected after a few sec with reason 0x08 (connection timeout)
3. There are a LED driven by IO12 will be turn on after power up, the abnormal samples will have a uneven flashing on that.
Thank for the great help!
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- Posts: 7
- Joined: Fri Sep 02, 2022 1:33 am
Re: Any drawback if use external 32.768kHz xtal for BLE light sleep
Could anyone help?
Whats would be the possible cause (e.g. watchdog)?
Thanks for the help!
Whats would be the possible cause (e.g. watchdog)?
Thanks for the help!
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