[Updated in 02/2020 - SDK 12.3.0]
- download toolchain https://launchpad.net/gcc-arm-embedded/+download
loRe goddade
bertrandmartel
/ nRF51_linux_intall.md
Last active
June 7, 2025 19:14
nRF51 Development Kit complete setup for Linux
atc1441
/ UpdateProtocolDafit.txt
Last active
September 13, 2025 16:58
DaFit App Update Protocol manual
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| Basic Manual for DaFit Fitness Tracker firmware update protocol, works for nearly any nRF52832 tracker from Company DaFit | |
| The minimum size of update file is 0x10000(can be filled with garbage to get to size) and the maximum size is 0x2F000 | |
| the update will first get stored onto the external flash at position 0x3D1000 by the stock firmware(not by the bootloader) | |
| the size of the update will get stored at 0x3D0000 on external flash with 4 bytes uint32_t | |
| when bootloader gets activated it will copy the update from external flash to 0x23000 of the nRF52 internal flash. | |
| Connect to device, |