feat: add BLE support for ESP32-C3 via BTDM VHCI - #58
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soypat
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Jul 27, 2026
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Tested on Xiao-ESP32C3 with my local bluetooth branch and heartrate and heartrate-monitor both working. Also, the current WiFi still working as well. tinygo-org/tinygo#5560 is needed to be merged, and then this PR is fully ready for review/merge. UPDATE: tinygo-org/tinygo#5560 has been merged. |
deadprogram
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July 28, 2026 11:03
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Any more feedback here @soypat or anyone else? |
Bring up the ROM BTDM controller behind a Virtual HCI transport so the tinygo bluetooth package can drive it (scanning, advertising, and central GATT). Fixes several ROM bring-up defects along the way (CPU frequency, PHY calibration, scan tables, interrupts) and a scheduler race that broke central GATT. Adds unit tests for the VHCI RX ring buffer. Signed-off-by: deadprogram <[email protected]>
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Squashed into a single commit. Ready to go! |
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Last call for feedback! |
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OK, merging. Thanks for review @soypat |
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Bring up the ESP32-C3 ROM BTDM controller behind a Virtual HCI transport so the tinygo bluetooth package can drive it. Verified by scanning: advertising reports arrive continuously with correct addresses, names and RSSI.
Requires PR tinygo-org/tinygo#5559 for the linker symbols to resolve.
Once merged, the
bluetoothpackage will require a PR to incorporate this PR.But scanning is working!