VersaMCU/bootloader/boards/versapad_bootloader.json
cjjohn de52b57041 Add UF2 bootloader for USB firmware flashing
Vendored and trimmed from microsoft/uf2-samdx1, adapted to the actual
ATSAMD21G17D (128 KiB flash / 16 KiB RAM), fixing the flash/RAM-size
mismatch that the previously commented-out SAM-BA bootloader target
had (it assumed a 256 KiB SAMD21G18A). Builds as a standalone
PlatformIO environment (bootloader/platformio.ini), no python2/make
dependency. Compiles clean, fits in the 8 KiB bootloader region
(7292/8192 bytes). Not yet flashed/verified on real hardware.
2026-08-03 20:56:58 +02:00

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JSON

{
"build": {
"core": "N/A",
"cpu": "cortex-m0plus",
"extra_flags": "-D__SAMD21G17A__",
"f_cpu": "48000000L",
"mcu": "samd21g17d"
},
"connectivity": ["usb"],
"frameworks": [],
"name": "VersaPad v2 (UF2 bootloader, Atmel-ICE build target)",
"upload": {
"maximum_ram_size": 16384,
"maximum_size": 8192,
"protocol": "atmel-ice",
"require_upload_port": false
},
"url": "",
"vendor": "Custom"
}