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Filesbraids
..
bootloader
data
drivers
hardware_design
resources
test
README.md
__init__.py
analog_oscillator.cc
analog_oscillator.h
braids.cc
digital_oscillator.cc
digital_oscillator.h
envelope.h
excitation.h
macro_oscillator.cc
macro_oscillator.h
makefile
parameter_interpolation.h
quantizer.cc
quantizer.h
quantizer_scales.h
resources.cc
resources.h
settings.cc
settings.h
signature_waveshaper.h
svf.h
ui.cc
ui.h
vco_jitter_source.h
ui.cc
// Copyright 2012 Olivier Gillet. // // Author: Olivier Gillet (ol.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. // // ----------------------------------------------------------------------------- // // User interface. #include "braids/ui.h" #include <cstring> #include "stmlib/system/system_clock.h" namespace braids { using namespace stmlib; const uint32_t kEncoderLongPressTime = 800; void Ui::Init() { encoder_.Init(); display_.Init(); queue_.Init(); sub_clock_ = 0; value_ = 0; mode_ = MODE_SPLASH; setting_ = SETTING_OSCILLATOR_SHAPE; setting_index_ = 0; } void Ui::Poll() { system_clock.Tick(); // Tick global ms counter. ++sub_clock_; encoder_.Debounce(); if (encoder_.just_pressed()) { encoder_press_time_ = system_clock.milliseconds(); inhibit_further_switch_events_ = false; } if (!inhibit_further_switch_events_) { if (encoder_.pressed()) { uint32_t duration = system_clock.milliseconds() - encoder_press_time_; if (duration >= kEncoderLongPressTime) { queue_.AddEvent(CONTROL_ENCODER_LONG_CLICK, 0, 0); inhibit_further_switch_events_ = true; } } else if (encoder_.released()) { queue_.AddEvent(CONTROL_ENCODER_CLICK, 0, 0); } } int32_t increment = encoder_.increment(); if (increment != 0) { queue_.AddEvent(CONTROL_ENCODER, 0, increment); } if ((sub_clock_ & 1) == 0) { display_.Refresh(); } } void Ui::FlushEvents() { queue_.Flush(); } void Ui::RefreshDisplay() { switch (mode_) { case MODE_SPLASH: { char text[] = " "; text[0] = '\x98' + (splash_frame_ & 0x7); display_.Print(text); } break; case MODE_EDIT: { uint8_t value = settings.GetValue(setting_); if (setting_ == SETTING_OSCILLATOR_SHAPE && settings.meta_modulation()) { value = meta_shape_; } display_.Print(settings.metadata(setting_).strings[value]); } break; case MODE_MENU: { if (setting_ == SETTING_CV_TESTER) { char text[] = " "; if (!blink_) { for (uint8_t i = 0; i < kDisplayWidth; ++i) { text[i] = '\x90' + (cv_[i] * 7 >> 12); } } display_.Print(text); } else if (setting_ == SETTING_MARQUEE) { uint8_t length = strlen(settings.marquee_text()); uint8_t padded_length = length + 2 * kDisplayWidth - 4; uint8_t position = ((cv_[0] >> 4) * (padded_length - 1)) >> 8; position += (marquee_step_ % padded_length); position += 1; char text[] = " "; for (uint8_t i = 0; i < kDisplayWidth; ++i) { uint8_t index = (position + i) % padded_length; if (index >= kDisplayWidth && index < kDisplayWidth + length) { text[i] = settings.marquee_text()[index - kDisplayWidth]; } } display_.Print(text); } else { display_.Print(settings.metadata(setting_).name); } } break; case MODE_CALIBRATION_STEP_1: display_.Print(">C2 "); break; case MODE_CALIBRATION_STEP_2: display_.Print(">C4 "); break; case MODE_MARQUEE_EDITOR: { char text[] = " "; for (uint8_t i = 0; i < kDisplayWidth; ++i) { if ((marquee_character_ + i) >= kDisplayWidth - 1) { const char* marquee_text = settings.marquee_text(); text[i] = marquee_text[marquee_character_ + i - kDisplayWidth + 1]; } } display_.Print(text); } break; default: break; } } void Ui::OnLongClick() { switch (mode_) { case MODE_MARQUEE_EDITOR: settings.Save(); mode_ = MODE_MENU; break; case MODE_MENU: if (setting_ == SETTING_CALIBRATION) { mode_ = MODE_CALIBRATION_STEP_1; } else if (setting_ == SETTING_MARQUEE) { mode_ = MODE_MARQUEE_EDITOR; marquee_character_ = 0; marquee_dirty_character_ = false; uint8_t length = strlen(settings.marquee_text()); settings.mutable_marquee_text()[length] = '\xA0'; } else if (setting_ == SETTING_VERSION) { settings.Reset(); settings.Save(); } break; default: break; } } void Ui::OnClick() { switch (mode_) { case MODE_EDIT: mode_ = MODE_MENU; break; case MODE_MARQUEE_EDITOR: { if (marquee_character_ == 53) { ++marquee_character_; settings.mutable_marquee_text()[marquee_character_] = '\0'; } else if (settings.marquee_text()[marquee_character_] == '\xA0') { settings.mutable_marquee_text()[marquee_character_] = '\0'; } else { if (marquee_dirty_character_) { settings.mutable_marquee_text()[marquee_character_ + 1] = \ settings.marquee_text()[marquee_character_]; } ++marquee_character_; marquee_dirty_character_ = false; } if (settings.marquee_text()[marquee_character_] == '\0') { settings.Save(); mode_ = MODE_MENU; } } break; case MODE_MENU: if (setting_ <= SETTING_LAST_EDITABLE_SETTING) { mode_ = MODE_EDIT; if (setting_ == SETTING_OSCILLATOR_SHAPE) { settings.Save(); } } else if (setting_ == SETTING_VERSION) { mode_ = MODE_SPLASH; } break; case MODE_CALIBRATION_STEP_1: adc_code_c2_ = cv_[2]; adc_code_min_[0] = cv_[0]; adc_code_min_[1] = cv_[1]; mode_ = MODE_CALIBRATION_STEP_2; break; case MODE_CALIBRATION_STEP_2: settings.Calibrate( adc_code_c2_, cv_[2], cv_[3], adc_code_min_[0], cv_[0], adc_code_min_[1], cv_[1]); mode_ = MODE_MENU; break; default: break; } } void Ui::OnIncrement(const Event& e) { switch (mode_) { case MODE_MARQUEE_EDITOR: { char c = settings.marquee_text()[marquee_character_]; c += e.data; if (c <= ' ') { c = ' '; } else if (c >= '\xA0') { c = '\xA0'; } settings.mutable_marquee_text()[marquee_character_] = c; marquee_dirty_character_ = true; } break; case MODE_EDIT: { int16_t value = settings.GetValue(setting_); value = settings.metadata(setting_).Clip(value + e.data); settings.SetValue(setting_, value); display_.set_brightness(settings.GetValue(SETTING_BRIGHTNESS) + 1); } break; case MODE_MENU: { setting_index_ += e.data; if (setting_index_ < 0) { setting_index_ = 0; } else if (setting_index_ >= SETTING_LAST) { setting_index_ = SETTING_LAST - 1; } setting_ = settings.setting_at_index(setting_index_); marquee_step_ = 0; } break; default: break; } } void Ui::DoEvents() { bool refresh_display_ = false; while (queue_.available()) { Event e = queue_.PullEvent(); if (e.control_type == CONTROL_ENCODER_CLICK) { OnClick(); } else if (e.control_type == CONTROL_ENCODER_LONG_CLICK) { OnLongClick(); } else if (e.control_type == CONTROL_ENCODER) { OnIncrement(e); } refresh_display_ = true; } if (queue_.idle_time() > 1000) { refresh_display_ = true; } if (queue_.idle_time() >= 50 && mode_ == MODE_SPLASH) { ++splash_frame_; if (splash_frame_ == 8) { splash_frame_ = 0; mode_ = MODE_EDIT; setting_ = SETTING_OSCILLATOR_SHAPE; } refresh_display_ = true; } if (queue_.idle_time() >= 50 && (setting_ == SETTING_CV_TESTER || setting_ == SETTING_MARQUEE)) { refresh_display_ = true; } if (queue_.idle_time() >= 50 && setting_ == SETTING_OSCILLATOR_SHAPE && mode_ == MODE_EDIT && settings.meta_modulation()) { refresh_display_ = true; } if (refresh_display_) { queue_.Touch(); RefreshDisplay(); blink_ = false; } } } // namespace braids
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