Willy-JL f5a64c96a8 Add trailing subdir to subtree remote files %!s(int64=2) %!d(string=hai) anos
..
assets 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
scenes 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
views 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
.gitsubtree f5a64c96a8 Add trailing subdir to subtree remote files %!s(int64=2) %!d(string=hai) anos
LICENSE 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
README.md 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
application.fam 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin.c 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_audio.c 8ae2535e9f DTMFDolphin: Speaker fixes by nano %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_audio.h 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_data.c 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_data.h 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_event.h 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_hal.c 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_hal.h 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
dtmf_dolphin_i.h 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos
phone.png 81cb0a3e14 Add dtmf_dolphin from https://github.com/litui/dtmf_dolphin %!s(int64=2) %!d(string=hai) anos

README.md

Image

DTMF Dolphin

DTMF (Dual-Tone Multi-Frequency) dialer, Bluebox, and Redbox.

Now in a release-ready state for both Dialer, Bluebox, and Redbox (US/UK) functionality!

Please note that using the current tone output method, the 2600 tone is scaled about 33 Hz higher than it should be. This is a limitation of the current sample rate.

This is for educational/entertainment purposes only. While the code generates sine waves, the buzzer on the Flipper Zero uses PWM which interferes with the cleanness of the signal. While the tones generated sound fairly accurate, they may not be detected by DTMF applications. This is a hardware limitation.

Educational Links: