Big refactor of code for readability and reusability. Mostly focusing on the UI code.
This commit is contained in:
@ -30,6 +30,7 @@ struct Channel {
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};
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struct AppState {
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bool refresh_screen = true;
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bool editing_param = false;
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byte selected_param = 0;
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byte selected_channel = 0; // 0=tempo, 1-6=output channel
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Source selected_source = SOURCE_INTERNAL;
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@ -37,6 +38,19 @@ struct AppState {
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};
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AppState app;
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enum ParamsMainPage {
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PARAM_MAIN_TEMPO,
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PARAM_MAIN_SOURCE,
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PARAM_MAIN_LAST,
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};
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enum ParamsChannelPage {
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PARAM_CH_MOD,
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PARAM_CH_PROB,
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PARAM_CH_DUTY,
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PARAM_CH_OFFSET,
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PARAM_CH_LAST,
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};
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// The number of clock mod options, hepls validate choices and pulses arrays are the same size.
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const int MOD_CHOICE_SIZE = 21;
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// Negative for multiply, positive for divide.
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@ -92,7 +106,7 @@ void loop() {
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}
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//
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// Firmware handlers.
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// Firmware handlers for clocks.
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//
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void HandleIntClockTick(uint32_t tick) {
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@ -128,9 +142,13 @@ void HandleExtClockTick() {
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app.refresh_screen = true;
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}
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//
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// UI handlers for encoder and buttons.
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//
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void HandlePlayPressed() {
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gravity.clock.IsPaused()
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? gravity.clock.Start()
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gravity.clock.IsPaused()
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? gravity.clock.Start()
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: gravity.clock.Stop();
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ResetOutputs();
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app.refresh_screen = true;
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@ -143,73 +161,83 @@ void HandleShiftPressed() {
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}
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void HandleEncoderPressed() {
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// TODO: make this more generic/dynamic
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// Main Global Settings Page.
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if (app.selected_channel == 0) {
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app.selected_param = (app.selected_param + 1) % 2;
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}
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// Selected Output Channels 1-6 Settings.
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else {
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app.selected_param = (app.selected_param + 1) % 4;
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}
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app.editing_param = !app.editing_param;
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app.refresh_screen = true;
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}
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void HandleRotate(Direction dir, int val) {
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// Execute the behavior of the current selected parameter.
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// Main Global Settings Page.
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if (app.selected_channel == 0) {
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switch (app.selected_param) {
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case 0:
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if (gravity.clock.ExternalSource()) {
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break;
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}
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gravity.clock.SetTempo(gravity.clock.Tempo() + val);
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app.refresh_screen = true;
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break;
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case 1:
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if (static_cast<Source>(app.selected_source) == 0 && val < 0) {
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app.selected_source = static_cast<Source>(SOURCE_LAST - 1);
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} else {
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app.selected_source = static_cast<Source>((app.selected_source + val) % SOURCE_LAST);
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}
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gravity.clock.SetSource(app.selected_source);
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app.refresh_screen = true;
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break;
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// Select a prameter when not in edit mode.
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if (!app.editing_param) {
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// Main Global Settings Page.
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if (app.selected_channel == 0) {
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if (app.selected_param == 0 && val < 0) {
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app.selected_param = PARAM_MAIN_LAST - 1;
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} else {
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app.selected_param = (app.selected_param + val) % PARAM_MAIN_LAST;
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}
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}
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// Selected Output Channels 1-6 Settings.
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else {
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if (app.selected_param == 0 && val < 0) {
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app.selected_param = PARAM_CH_LAST - 1;
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} else {
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app.selected_param = (app.selected_param + val) % PARAM_CH_LAST;
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}
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}
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}
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// Selected Output Channel Settings.
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// Edit selected param.
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else {
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auto& ch = GetSelectedChannel();
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// Main Global Settings Page.
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if (app.selected_channel == 0) {
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switch (static_cast<ParamsMainPage>(app.selected_param)) {
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case PARAM_MAIN_TEMPO:
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if (gravity.clock.ExternalSource()) {
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break;
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}
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gravity.clock.SetTempo(gravity.clock.Tempo() + val);
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app.refresh_screen = true;
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break;
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switch (app.selected_param) {
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case 0:
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if (dir == DIRECTION_INCREMENT && ch.clock_mod_index < MOD_CHOICE_SIZE - 1) {
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ch.clock_mod_index += 1;
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} else if (dir == DIRECTION_DECREMENT && ch.clock_mod_index > 0) {
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ch.clock_mod_index -= 1;
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}
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break;
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case 1:
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ch.probability = constrain(ch.probability + val, 0, 100);
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break;
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case 2:
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ch.duty_cycle = constrain(ch.duty_cycle + val, 0, 100);
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break;
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case 3:
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ch.offset = constrain(ch.offset + val, 0, 100);
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break;
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case PARAM_MAIN_SOURCE:
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if (static_cast<Source>(app.selected_source) == 0 && val < 0) {
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app.selected_source = static_cast<Source>(SOURCE_LAST - 1);
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} else {
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app.selected_source = static_cast<Source>((app.selected_source + val) % SOURCE_LAST);
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}
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gravity.clock.SetSource(app.selected_source);
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app.refresh_screen = true;
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break;
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}
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}
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uint32_t mod_pulses = clock_mod_pulses[ch.clock_mod_index];
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ch.duty_cycle_pulses = max((int)((mod_pulses * (100L - ch.duty_cycle)) / 100L), 1);
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ch.offset_pulses = (int)(mod_pulses * (100L - ch.offset) / 100L);
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// Selected Output Channel Settings.
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else {
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auto& ch = GetSelectedChannel();
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app.refresh_screen = true;
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switch (static_cast<ParamsChannelPage>(app.selected_param)) {
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case PARAM_CH_MOD:
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if (dir == DIRECTION_INCREMENT && ch.clock_mod_index < MOD_CHOICE_SIZE - 1) {
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ch.clock_mod_index += 1;
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} else if (dir == DIRECTION_DECREMENT && ch.clock_mod_index > 0) {
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ch.clock_mod_index -= 1;
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}
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break;
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case PARAM_CH_PROB:
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ch.probability = constrain(ch.probability + val, 0, 100);
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break;
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case PARAM_CH_DUTY:
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ch.duty_cycle = constrain(ch.duty_cycle + val, 0, 99);
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break;
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case PARAM_CH_OFFSET:
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ch.offset = constrain(ch.offset + val, 0, 99);
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break;
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}
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uint32_t mod_pulses = clock_mod_pulses[ch.clock_mod_index];
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ch.duty_cycle_pulses = max((int)((mod_pulses * (100L - ch.duty_cycle)) / 100L), 1);
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ch.offset_pulses = (int)(mod_pulses * (100L - ch.offset) / 100L);
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}
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}
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app.refresh_screen = true;
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}
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void HandlePressedRotate(Direction dir, int val) {
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@ -240,6 +268,18 @@ void ResetOutputs() {
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// UI Display functions.
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//
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// Constants for screen layout and fonts
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constexpr int SCREEN_CENTER_X = 32;
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constexpr int MAIN_TEXT_Y = 26;
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constexpr int SUB_TEXT_Y = 42;
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constexpr int MENU_ITEM_HEIGHT = 14;
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constexpr int MENU_BOX_PADDING = 4;
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constexpr int MENU_BOX_WIDTH = 64;
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constexpr int VISIBLE_MENU_ITEMS = 3;
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constexpr int CHANNEL_BOXES_Y = 50;
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constexpr int CHANNEL_BOX_WIDTH = 18;
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constexpr int CHANNEL_BOX_HEIGHT = 14;
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void UpdateDisplay() {
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app.refresh_screen = false;
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gravity.display.firstPage();
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@ -254,109 +294,50 @@ void UpdateDisplay() {
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} while (gravity.display.nextPage());
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}
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void DisplaySelectedChannel() {
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int top = 50;
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int boxWidth = 18;
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int boxHeight = 14;
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gravity.display.drawHLine(1, top, 126);
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for (int i = 0; i < 7; i++) {
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gravity.display.setDrawColor(1);
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(app.selected_channel == i)
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? gravity.display.drawBox(i * boxWidth, top, boxWidth, boxHeight)
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: gravity.display.drawVLine(i * boxWidth, top, boxHeight);
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gravity.display.setDrawColor(2);
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if (i == 0) {
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gravity.display.setDrawColor(2);
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gravity.display.setBitmapMode(1);
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auto icon = gravity.clock.IsPaused() ? pause_icon : play_icon;
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gravity.display.drawXBM(2, top, play_icon_width, play_icon_height, icon);
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} else {
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gravity.display.setFont(TEXT_FONT);
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gravity.display.setCursor((i * boxWidth) + 7, 63);
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gravity.display.print(i);
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}
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}
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gravity.display.drawVLine(126, top, boxHeight);
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}
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void DisplayMainPage() {
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gravity.display.setFontMode(1);
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gravity.display.setDrawColor(2);
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gravity.display.setFont(TEXT_FONT);
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int textWidth;
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int textY = 26;
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int subTextY = 42;
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// Display selected editable value
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char mainText[8];
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const char* subText;
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// Display selected editable value.
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if (app.selected_param == 0) {
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gravity.display.setFont(LARGE_FONT);
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char num_str[3];
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// Serial MIID is too unstable to display bpm in real time.
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if (app.selected_source == SOURCE_EXTERNAL_MIDI) {
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sprintf(num_str, "%s", "EXT");
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sprintf(mainText, "%s", "EXT");
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} else {
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sprintf(num_str, "%d", gravity.clock.Tempo());
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sprintf(mainText, "%d", gravity.clock.Tempo());
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}
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textWidth = gravity.display.getUTF8Width(num_str);
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gravity.display.drawStr(32 - (textWidth / 2), textY, num_str);
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("BPM");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "BPM");
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subText = "BPM";
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} else if (app.selected_param == 1) {
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switch (app.selected_source) {
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case SOURCE_INTERNAL:
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gravity.display.setFont(LARGE_FONT);
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textWidth = gravity.display.getUTF8Width("INT");
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gravity.display.drawStr(32 - (textWidth / 2), textY, "INT");
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("Clock");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "Clock");
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sprintf(mainText, "%s", "INT");
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subText = "Clock";
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break;
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case SOURCE_EXTERNAL_PPQN_24:
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gravity.display.setFont(LARGE_FONT);
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textWidth = gravity.display.getUTF8Width("EXT");
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gravity.display.drawStr(32 - (textWidth / 2), textY, "EXT");
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("24 PPQN");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "24 PPQN");
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sprintf(mainText, "%s", "EXT");
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subText = "24 PPQN";
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break;
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case SOURCE_EXTERNAL_PPQN_4:
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gravity.display.setFont(LARGE_FONT);
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textWidth = gravity.display.getUTF8Width("EXT");
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gravity.display.drawStr(32 - (textWidth / 2), textY, "EXT");
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("4 PPQN");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "4 PPQN");
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sprintf(mainText, "%s", "EXT");
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subText = "4 PPQN";
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break;
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case SOURCE_EXTERNAL_MIDI:
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gravity.display.setFont(LARGE_FONT);
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textWidth = gravity.display.getUTF8Width("EXT");
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gravity.display.drawStr(32 - (textWidth / 2), textY, "EXT");
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("MIDI");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "MIDI");
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sprintf(mainText, "%s", "EXT");
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subText = "MIDI";
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break;
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}
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}
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int idx;
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int drawX;
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int height = 14;
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int padding = 4;
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drawCenteredText(mainText, MAIN_TEXT_Y, LARGE_FONT);
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drawCenteredText(subText, SUB_TEXT_Y, TEXT_FONT);
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// Draw selected menu item box.
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gravity.display.drawBox(65, (height * app.selected_param) + 2, 63, height + 1);
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// Draw each menu item.
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textWidth = gravity.display.getUTF8Width("Tempo");
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drawX = (SCREEN_WIDTH - textWidth) - padding;
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gravity.display.drawStr(drawX, height * ++idx, "Tempo");
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textWidth = gravity.display.getUTF8Width("Source");
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drawX = (SCREEN_WIDTH - textWidth) - padding;
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gravity.display.drawStr(drawX, height * ++idx, "Source");
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// Draw Main Page menu items
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const char* menu_items[PARAM_MAIN_LAST] = {"Tempo", "Source"};
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drawMenuItems(menu_items);
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}
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void DisplayChannelPage() {
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@ -364,89 +345,123 @@ void DisplayChannelPage() {
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gravity.display.setFontMode(1);
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gravity.display.setDrawColor(2);
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gravity.display.setFont(LARGE_FONT);
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int textWidth;
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int textY = 26;
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int subTextY = 42;
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char num_str[4];
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// Display selected editable value
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char mainText[5];
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const char* subText;
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// Display selected editable value.
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switch (app.selected_param) {
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case 0: // Clock Mod
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char mod_str[4];
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if (clock_mod[ch.clock_mod_index] > 1) {
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sprintf(mod_str, "/%d", clock_mod[ch.clock_mod_index]);
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textWidth = gravity.display.getUTF8Width(mod_str);
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gravity.display.drawStr(32 - (textWidth / 2), textY, mod_str);
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("Divide");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "Divide");
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case 0: { // Clock Mod
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int mod_value = clock_mod[ch.clock_mod_index];
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if (mod_value > 1) {
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sprintf(mainText, "/%d", mod_value);
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subText = "Divide";
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} else {
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sprintf(mod_str, "x%d", abs(clock_mod[ch.clock_mod_index]));
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textWidth = gravity.display.getUTF8Width(mod_str);
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gravity.display.drawStr(32 - (textWidth / 2), textY, mod_str);
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("Multiply");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "Multiply");
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sprintf(mainText, "x%d", abs(mod_value));
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subText = "Multiply";
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}
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break;
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}
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case 1: // Probability
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sprintf(num_str, "%d%%", ch.probability);
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textWidth = gravity.display.getUTF8Width(num_str);
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gravity.display.drawStr(32 - (textWidth / 2), textY, num_str);
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("Hit Chance");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "Hit Chance");
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sprintf(mainText, "%d%%", ch.probability);
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subText = "Hit Chance";
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break;
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case 2: // Duty Cycle
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sprintf(num_str, "%d%%", ch.duty_cycle);
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textWidth = gravity.display.getUTF8Width(num_str);
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gravity.display.drawStr(32 - (textWidth / 2), textY, num_str);
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("Pulse Width");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "Pulse Width");
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sprintf(mainText, "%d%%", ch.duty_cycle);
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subText = "Pulse Width";
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break;
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case 3: // Offset
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sprintf(num_str, "%d%%", ch.offset);
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textWidth = gravity.display.getUTF8Width(num_str);
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gravity.display.drawStr(32 - (textWidth / 2), textY, num_str);
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gravity.display.setFont(TEXT_FONT);
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textWidth = gravity.display.getUTF8Width("Shift Hit");
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gravity.display.drawStr(32 - (textWidth / 2), subTextY, "Shift Hit");
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sprintf(mainText, "%d%%", ch.offset);
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subText = "Shift Hit";
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break;
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}
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int idx = 0;
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int drawX;
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int height = 14;
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int padding = 4;
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drawCenteredText(mainText, MAIN_TEXT_Y, LARGE_FONT);
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drawCenteredText(subText, SUB_TEXT_Y, TEXT_FONT);
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// Draw Channel Page menu items
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const char* menu_items[PARAM_CH_LAST] = {
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"Mod", "Probability", "Duty Cycle", "Offset"};
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drawMenuItems(menu_items);
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}
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void DisplaySelectedChannel() {
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int boxX = CHANNEL_BOX_WIDTH;
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int boxY = CHANNEL_BOXES_Y;
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int boxWidth = CHANNEL_BOX_WIDTH;
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int boxHeight = CHANNEL_BOX_HEIGHT;
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int textOffset = 7; // Half of font width
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// Draw top and right side of frame.
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gravity.display.drawHLine(1, boxY, SCREEN_WIDTH - 2);
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gravity.display.drawVLine(SCREEN_WIDTH - 2, boxY, boxHeight);
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for (int i = 0; i < OUTPUT_COUNT + 1; i++) {
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// Draw box frame or filled selected box.
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gravity.display.setDrawColor(1);
|
||||
(app.selected_channel == i)
|
||||
? gravity.display.drawBox(i * boxWidth, boxY, boxWidth, boxHeight)
|
||||
: gravity.display.drawVLine(i * boxWidth, boxY, boxHeight);
|
||||
|
||||
// Draw clock status icon or each channel number.
|
||||
gravity.display.setDrawColor(2);
|
||||
if (i == 0) {
|
||||
gravity.display.setBitmapMode(1);
|
||||
auto icon = gravity.clock.IsPaused() ? pause_icon : play_icon;
|
||||
gravity.display.drawXBM(2, boxY, play_icon_width, play_icon_height, icon);
|
||||
} else {
|
||||
gravity.display.setFont(TEXT_FONT);
|
||||
gravity.display.setCursor((i * boxWidth) + textOffset, SCREEN_HEIGHT - 1);
|
||||
gravity.display.print(i);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void drawMenuItems(const char* menu_items[]) {
|
||||
// Draw menu items
|
||||
gravity.display.setFont(TEXT_FONT);
|
||||
int textHeight = gravity.display.getFontAscent();
|
||||
|
||||
// Draw selected menu item box.
|
||||
gravity.display.drawBox(65, (height * min(2, app.selected_param)) + 2, 63, height + 1);
|
||||
|
||||
// Draw each menu item.
|
||||
if (app.selected_param < 3) {
|
||||
textWidth = gravity.display.getUTF8Width("Mod");
|
||||
drawX = (SCREEN_WIDTH - textWidth) - padding;
|
||||
gravity.display.drawStr(drawX, (height * ++idx), "Mod");
|
||||
// Draw selected menu item box
|
||||
int selectedBoxY = 0;
|
||||
if (app.selected_param == PARAM_CH_LAST - 1) {
|
||||
selectedBoxY = MENU_ITEM_HEIGHT * min(2, app.selected_param);
|
||||
} else if (app.selected_param > 0) {
|
||||
selectedBoxY = MENU_ITEM_HEIGHT;
|
||||
}
|
||||
|
||||
textWidth = gravity.display.getUTF8Width("Probability");
|
||||
drawX = (SCREEN_WIDTH - textWidth) - padding;
|
||||
gravity.display.drawStr(drawX, (height * ++idx), "Probability");
|
||||
int boxX = MENU_BOX_WIDTH + 1;
|
||||
int boxY = selectedBoxY + 2;
|
||||
int boxWidth = MENU_BOX_WIDTH - 1;
|
||||
int boxHeight = MENU_ITEM_HEIGHT + 1;
|
||||
|
||||
textWidth = gravity.display.getUTF8Width("Duty Cycle");
|
||||
drawX = (SCREEN_WIDTH - textWidth) - padding;
|
||||
gravity.display.drawStr(drawX, (height * ++idx), "Duty Cycle");
|
||||
app.editing_param
|
||||
? gravity.display.drawBox(boxX, boxY, boxWidth, boxHeight)
|
||||
: gravity.display.drawFrame(boxX, boxY, boxWidth, boxHeight);
|
||||
|
||||
if (app.selected_param > 2) {
|
||||
textWidth = gravity.display.getUTF8Width("Offset");
|
||||
drawX = (SCREEN_WIDTH - textWidth) - padding;
|
||||
gravity.display.drawStr(drawX, (height * ++idx), "Offset");
|
||||
// Draw the visible menu items
|
||||
int start_index = 0;
|
||||
if (app.selected_param == PARAM_CH_LAST - 1) {
|
||||
start_index = PARAM_CH_LAST - VISIBLE_MENU_ITEMS;
|
||||
} else if (app.selected_param > 0) {
|
||||
start_index = app.selected_param - 1;
|
||||
}
|
||||
|
||||
for (int i = 0; i < VISIBLE_MENU_ITEMS; ++i) {
|
||||
int idx = start_index + i;
|
||||
drawRightAlignedText(menu_items[idx], MENU_ITEM_HEIGHT * (i + 1));
|
||||
}
|
||||
}
|
||||
|
||||
// Helper function to draw centered text
|
||||
void drawCenteredText(const char* text, int y, const uint8_t* font) {
|
||||
gravity.display.setFont(font);
|
||||
int textWidth = gravity.display.getUTF8Width(text);
|
||||
gravity.display.drawStr(SCREEN_CENTER_X - (textWidth / 2), y, text);
|
||||
}
|
||||
|
||||
// Helper function to draw right-aligned text
|
||||
void drawRightAlignedText(const char* text, int y) {
|
||||
int textWidth = gravity.display.getUTF8Width(text);
|
||||
int drawX = (SCREEN_WIDTH - textWidth) - MENU_BOX_PADDING;
|
||||
gravity.display.drawStr(drawX, y, text);
|
||||
}
|
||||
Reference in New Issue
Block a user