// Copyright 2016 Emilie Gillet. // // Author: Emilie Gillet (emilie.o.gillet@gmail.com) // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. // // See http://creativecommons.org/licenses/MIT/ for more information. // // ----------------------------------------------------------------------------- // // Driver for the 2 switches. #ifndef PLAITS_DRIVERS_SWITCHES_H_ #define PLAITS_DRIVERS_SWITCHES_H_ #include "avrlib/gpio.h" namespace pure_adsr { template class Switch { public: Switch() {} ~Switch() {} void Init() { DigitalInput::Init(); } void Debounce() { switch_state_ = (switch_state_ << 1) | Switch::pressed_immediate(); } inline bool released() { return switch_state_ == 0x7f; } inline bool just_pressed() { return switch_state_ == 0x80; } inline bool pressed() { return switch_state_ == 0x00; } inline bool pressed_immediate() { return DigitalInput::Read(); } private: uint8_t switch_state_; DISALLOW_COPY_AND_ASSIGN(Switch); }; } // namespace plaits #endif // PLAITS_DRIVERS_SWITCHES_H_