insert costycnc folder in documents arduino ... see photo
Project for include sd card to grbl 1.1h
copied from:
https://github.com/ryanj1234/SD_TUTORIAL_PART4
beautiful tutorial about sdcard:
http://www.edproject.co.uk/18Series15.html
cosduino bootloader from sdcard
https://sites.google.com/site/atmega8pro/cosduino_bootloader
1001000
400000 boot
8192*512=4194304
0x2000*0x200=400000
1401000
0x1000000 root directory (penso che e offset da 0x400000... deve adaugare 0x400000 >> 0x1400000
0x1001000 prima file >> 1401000/200=sector A008
0x1002000 seconda file >> 1402000/200=sector A010