Adding XIAO ESP32C6 with BLE support #5421
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caveman99
requested changes
Nov 23, 2024
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I am testing a few corner cases with this. Especially with the other C6 board (TLora C6) we have. Is it ok to push minor corrections to your branch? |
caveman99
approved these changes
Nov 24, 2024
Sure, I am fine with that! |
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@caveman99 just FYI, I'm fixing the failed builds for other targets... 🤷 |
…e into xiao_esp32c6_with_ble
Bluetooth functionality is working again 🎉
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Hi @caveman99 , I think we're good to go now. Could you take a look please? |
alexbegoon
changed the title
caveman99
reviewed
Jan 4, 2025
…_esp32c6_with_ble
…/firmware into xiao_esp32c6_with_ble
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Status: it compiles again but i don't see any BLE advertising emitted from my TLora C6. I have Seeed Xiao C6 incoming in about 10 days to counter-check. Another thing i noticed when working with VSCode on Windows, due to the different file name handling compared to Linux the wrong RTC.h and CTR.h headers are picked up, presumably in ESP-IDF directories. I did remedy this for the RTC.h by prefixing the dir, but the crypto engine header is not so easy. I hope i can come up with a fix for this. |
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Hi @caveman99 , Thank you for your effort! Great catch regarding the Windows environment. I didn’t encounter that issue on my Ubuntu setup. If you could share more details, I might be able to replicate it on my end as well. I built and flashed your commit 934096e d5bc is another xiao esp32c6 node flashed with 934096e commit that I can communicate just fine: 
Two things come to mind regarding BLE:
Mine is: sdkconfig.seeed-xiao-esp32c6 |
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Bluetooth is indeed enabled per info dump. I was scanning with the Android "nRF52 connect" app for any bluetooth signal from the device and wasn't lucky. i'll compare the sdkconfig later when i am back home. |
…_ble Conflicts: .gitignore
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I have a xiao C6 here now and can confirm it's advertising after boot. shame it doesn't find a radio but that's not important for this use case :-) Now to find out why the Tlora-C6 doesn't advertise. By the way, there's excessive logspam from the ESP-IDF libs, every time a GPIO toggles it locks. Is there a way to disable that during build? |
Invert LED state for a heartbeat
…e into xiao_esp32c6_with_ble
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Hi @caveman99, Thank you for confirming on your side. We are one step closer. First of all, take a look at this new flag. If it is applied, then a 2.4GHz antenna must be attached to the module to avoid damaging the RF output.
I’m not sure which radio you're talking about, but I can help you with the wiring if needed. I currently use a cheap AliExpress module with an SX1276, but I plan to switch to a Wio SX1262 soon (the PCB is already in development).
Yes, you're right. I fixed it here. Now, the log level for GPIO is set to WARN.
Yes, this is interesting one. I'll check if this module have some sort of balun/rf-switch that has to be managed by a gpio pin. |
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Hi @caveman99 , I checked online, and the best I could find is this schematic. Unfortunately, it seems the RF frontend is grounded there. I don’t have this module to verify, but I’m quite sure the only antenna it has is a sub-ghz antenna. 🤷♂️ I don’t believe this module can support a 2.4 ghz connection. 
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Related to #4692
The main purpose of this PR is to enhance the ESP32-C6 target by integrating BLE functionality