awonak/libGravity
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Add option to rotate the display (#27)

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I needed to cut the bootsplash to make room for adding this features.

Reviewed-on: https://git.pinkduck.xyz/awonak/libGravity/pulls/27
This commit is contained in:
Adam Wonak
2025-08-10 02:47:59 +00:00
parent c5965aa1f7
commit 6ada2aba30
7 changed files with 46 additions and 63 deletions
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29
firmware/Gravity/Gravity.ino
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@ -66,10 +66,6 @@ void setup() {
// Start Gravity.
gravity.Init();
// Show bootsplash when initializing firmware.
Bootsplash();
delay(2000);
// Initialize the state manager. This will load settings from EEPROM
stateManager.initialize(app);
InitGravity(app);
@ -213,31 +209,34 @@ void HandleEncoderPressed() {
// Check if leaving editing mode should apply a selection.
if (app.editing_param) {
if (app.selected_channel == 0) { // main page
// TODO: rewrite as switch
if (app.selected_param == PARAM_MAIN_ENCODER_DIR) {
switch (app.selected_param) {
case PARAM_MAIN_ENCODER_DIR:
app.encoder_reversed = app.selected_sub_param == 1;
gravity.encoder.SetReverseDirection(app.encoder_reversed);
}
if (app.selected_param == PARAM_MAIN_SAVE_DATA) {
break;
case PARAM_MAIN_ROTATE_DISP:
app.rotate_display = app.selected_sub_param == 1;
gravity.display.setFlipMode(app.rotate_display ? 1 : 0);
break;
case PARAM_MAIN_SAVE_DATA:
if (app.selected_sub_param < StateManager::MAX_SAVE_SLOTS) {
app.selected_save_slot = app.selected_sub_param;
stateManager.saveData(app);
}
}
if (app.selected_param == PARAM_MAIN_LOAD_DATA) {
break;
case PARAM_MAIN_LOAD_DATA:
if (app.selected_sub_param < StateManager::MAX_SAVE_SLOTS) {
app.selected_save_slot = app.selected_sub_param;
stateManager.loadData(app, app.selected_save_slot);
InitGravity(app);
}
}
if (app.selected_param == PARAM_MAIN_FACTORY_RESET) {
break;
case PARAM_MAIN_FACTORY_RESET:
if (app.selected_sub_param == 0) { // Erase
// Show bootsplash during slow erase operation.
Bootsplash();
stateManager.factoryReset(app);
InitGravity(app);
}
break;
}
}
// Only mark dirty and reset selected_sub_param when leaving editing mode.
@ -313,6 +312,7 @@ void editMainParameter(int val) {
}
// These changes are applied upon encoder button press.
case PARAM_MAIN_ENCODER_DIR:
case PARAM_MAIN_ROTATE_DISP:
updateSelection(app.selected_sub_param, val, 2);
break;
case PARAM_MAIN_SAVE_DATA:
@ -381,6 +381,7 @@ void InitGravity(AppState& app) {
gravity.clock.SetTempo(app.tempo);
gravity.clock.SetSource(app.selected_source);
gravity.encoder.SetReverseDirection(app.encoder_reversed);
gravity.display.setFlipMode(app.rotate_display ? 1 : 0);
}
void ResetOutputs() {

1
firmware/Gravity/app_state.h
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@ -31,6 +31,7 @@ struct AppState {
Clock::Pulse selected_pulse = Clock::PULSE_PPQN_24;
bool editing_param = false;
bool encoder_reversed = false;
bool rotate_display = false;
bool refresh_screen = true;
};

28
firmware/Gravity/display.h
View File

@ -104,6 +104,7 @@ enum ParamsMainPage : uint8_t {
PARAM_MAIN_RESET,
PARAM_MAIN_PULSE,
PARAM_MAIN_ENCODER_DIR,
PARAM_MAIN_ROTATE_DISP,
PARAM_MAIN_SAVE_DATA,
PARAM_MAIN_LOAD_DATA,
PARAM_MAIN_FACTORY_RESET,
@ -256,9 +257,6 @@ void DisplayMainPage() {
case Clock::SOURCE_EXTERNAL_PPQN_4:
subText = F("4 PPQN");
break;
case Clock::SOURCE_EXTERNAL_PPQN_2:
subText = F("2 PPQN");
break;
case Clock::SOURCE_EXTERNAL_PPQN_1:
subText = F("1 PPQN");
break;
@ -316,6 +314,10 @@ void DisplayMainPage() {
mainText = F("DIR");
subText = app.selected_sub_param == 0 ? F("DEFAULT") : F("REVERSED");
break;
case PARAM_MAIN_ROTATE_DISP:
mainText = F("ROT");
subText = app.selected_sub_param == 0 ? F("DEFAULT") : F("FLIPPED");
break;
case PARAM_MAIN_SAVE_DATA:
case PARAM_MAIN_LOAD_DATA:
if (app.selected_sub_param == StateManager::MAX_SAVE_SLOTS) {
@ -347,7 +349,7 @@ void DisplayMainPage() {
drawCenteredText(subText.c_str(), SUB_TEXT_Y, TEXT_FONT);
// Draw Main Page menu items
String menu_items[PARAM_MAIN_LAST] = {F("TEMPO"), F("SOURCE"), F("CLK RUN"), F("CLK RESET"), F("PULSE OUT"), F("ENCODER DIR"), F("SAVE"), F("LOAD"), F("ERASE")};
String menu_items[PARAM_MAIN_LAST] = {F("TEMPO"), F("SOURCE"), F("CLK RUN"), F("CLK RESET"), F("PULSE OUT"), F("ENCODER DIR"), F("ROTATE DISP"), F("SAVE"), F("LOAD"), F("ERASE")};
drawMenuItems(menu_items, PARAM_MAIN_LAST);
}
@ -497,22 +499,4 @@ void UpdateDisplay() {
} while (gravity.display.nextPage());
}
void Bootsplash() {
gravity.display.firstPage();
do {
int textWidth;
String loadingText = F("LOADING....");
gravity.display.setFont(TEXT_FONT);
textWidth = gravity.display.getStrWidth(StateManager::SKETCH_NAME);
gravity.display.drawStr(16 + (textWidth / 2), 20, StateManager::SKETCH_NAME);
textWidth = gravity.display.getStrWidth(StateManager::SEMANTIC_VERSION);
gravity.display.drawStr(16 + (textWidth / 2), 32, StateManager::SEMANTIC_VERSION);
textWidth = gravity.display.getStrWidth(loadingText.c_str());
gravity.display.drawStr(26 + (textWidth / 2), 44, loadingText.c_str());
} while (gravity.display.nextPage());
}
#endif // DISPLAY_H

3
firmware/Gravity/save_state.cpp
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@ -17,7 +17,7 @@
// Define the constants for the current firmware.
const char StateManager::SKETCH_NAME[] = "ALT GRAVITY";
const char StateManager::SEMANTIC_VERSION[] = "V2.0.0BETA4"; // NOTE: This should match the version in the library.properties file.
const char StateManager::SEMANTIC_VERSION[] = "2.0.0"; // NOTE: This should match the version in the library.properties file.
// Number of available save slots.
const byte StateManager::MAX_SAVE_SLOTS = 10;
@ -212,6 +212,7 @@ void StateManager::_saveMetadata(const AppState& app) {
// Global user settings
current_meta.selected_save_slot = app.selected_save_slot;
current_meta.encoder_reversed = app.encoder_reversed;
current_meta.rotate_display = app.rotate_display;
EEPROM.put(METADATA_START_ADDR, current_meta);
interrupts();

5
firmware/Gravity/save_state.h
View File

@ -52,11 +52,12 @@ class StateManager {
// This struct holds the data that identifies the firmware version.
struct Metadata {
char sketch_name[16];
char version[16];
char sketch_name[12];
char version[5];
// Additional global/hardware settings
byte selected_save_slot;
bool encoder_reversed;
bool rotate_display;
};
struct ChannelState {
byte base_clock_mod_index;

2
library.properties
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@ -1,5 +1,5 @@
name=libGravity
version=2.0.0beta3
version=2.0.0
author=Adam Wonak
maintainer=awonak <github.com/awonak>
sentence=Hardware abstraction library for Sitka Instruments Gravity eurorack module

9
src/clock.h
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@ -35,7 +35,6 @@ class Clock {
SOURCE_INTERNAL,
SOURCE_EXTERNAL_PPQN_24,
SOURCE_EXTERNAL_PPQN_4,
SOURCE_EXTERNAL_PPQN_2,
SOURCE_EXTERNAL_PPQN_1,
SOURCE_EXTERNAL_MIDI,
SOURCE_LAST,
@ -43,9 +42,9 @@ class Clock {
enum Pulse {
PULSE_NONE,
PULSE_PPQN_1,
PULSE_PPQN_4,
PULSE_PPQN_24,
PULSE_PPQN_4,
PULSE_PPQN_1,
PULSE_LAST,
};
@ -98,10 +97,6 @@ class Clock {
uClock.setClockMode(uClock.EXTERNAL_CLOCK);
uClock.setInputPPQN(uClock.PPQN_4);
break;
case SOURCE_EXTERNAL_PPQN_2:
uClock.setClockMode(uClock.EXTERNAL_CLOCK);
uClock.setInputPPQN(uClock.PPQN_2);
break;
case SOURCE_EXTERNAL_PPQN_1:
uClock.setClockMode(uClock.EXTERNAL_CLOCK);
uClock.setInputPPQN(uClock.PPQN_1);