Where can I see schematic of TinyG ?
Really only Atxmega part of it interesting for me ,
I guess - driver part is approximately GRBLShield or near it.
Best regards .
Schematic of TinyG
I added a hardware section to the github where you can find the schematics.
If you are interested in bringing up an xmega project there is a lot of code in the firmware section you might want. Specifically the xmega_init, _eeprom, _interrupt and _rtc files are generally useful beyond just TinyG. Also, the Xmegas have issues with writing to non-volatile memory (Flash and EEPROM). If you intend to use these functions there is some very necessary code in the _eeprom file that implements the Atmel Errata instructions.
Also, the xio_ code implements a set of AVR GCC Stdio compatible device drivers for serial IO and memory-file IO.
- Alden
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