Teensy2 USB Mass Storage with an SD card - Elastic Sheep — Because elasticdog was already taken
thanks so much, I´ve got other problem, I need write, text and values of adc (the adc, run sucesfully ) in a file .txt in the sd card, . I´m testing with the functions of avr libs (fdevopen) and the functions in your file, sd_raw. I know that I need work ...