Adds the ability to cycle back to the previous credential with LIGHT.
Long pressing LIGHT activates the LED.
Co-authored-by: Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com>
* Move from .c to .h as needed for consistency.
* When missing from both, copy from pull request or wiki.
* When missing entirely, infer functionality from source code.
* totp : rework and add SHA256/512
* totp : comment code
* totp : fix SHA224/SHA384 and examples
* totp : fix bug in totp_face_lfs
* totp : init_totp_record to SHA1
* totp : move TOTP-MCU to TOTP, update README and example
* totp : SHAX, use size_t n instead of harcoded 8
* clarify what to put in TOTP face
Co-authored-by: Emilien <Emilien>
Co-authored-by: joeycastillo <joeycastillo@utexas.edu>
