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#include "Metronome.h"
#include "Screen.h"
#include "Symbols.h"
#include "lvgl/lvgl.h"
#include "FreeRTOSConfig.h"
#include "task.h"
#include <string>
#include <tuple>
using namespace Pinetime::Applications::Screens;
namespace {
float calculateDelta(const TickType_t startTime, const TickType_t currentTime) {
TickType_t delta = 0;
// Take care of overflow
if (startTime > currentTime) {
delta = 0xffffffff - startTime;
delta += (currentTime + 1);
} else {
delta = currentTime - startTime;
}
return static_cast<float>(delta) / static_cast<float>(configTICK_RATE_HZ);
}
static void eventHandler(lv_obj_t* obj, lv_event_t event) {
Metronome* screen = static_cast<Metronome*>(obj->user_data);
screen->OnEvent(obj, event);
}
lv_obj_t* createLabel(const char* name, lv_obj_t* reference, lv_align_t align, lv_font_t* font, uint8_t x = 0, uint8_t y = 0) {
lv_obj_t* label = lv_label_create(lv_scr_act(), nullptr);
lv_obj_set_style_local_text_font(label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, font);
lv_obj_set_style_local_text_color(label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
lv_label_set_text(label, name);
lv_obj_align(label, reference, align, x, y);
return label;
}
}
Metronome::Metronome(DisplayApp* app, Controllers::MotorController& motorController, System::SystemTask& systemTask)
: Screen(app), running {true}, currentState {States::Stopped}, startTime {}, motorController {motorController}, systemTask {systemTask} {
bpmArc = lv_arc_create(lv_scr_act(), nullptr);
bpmArc->user_data = this;
lv_obj_set_event_cb(bpmArc, eventHandler);
lv_arc_set_bg_angles(bpmArc, 0, 270);
lv_arc_set_rotation(bpmArc, 135);
lv_arc_set_range(bpmArc, 40, 220);
lv_arc_set_value(bpmArc, bpm);
lv_obj_set_size(bpmArc, 210, 210);
lv_arc_set_adjustable(bpmArc, true);
lv_obj_align(bpmArc, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 7);
bpmValue = createLabel(std::to_string(lv_arc_get_value(bpmArc)).c_str(), bpmArc, LV_ALIGN_IN_TOP_MID, &jetbrains_mono_76, 0, 55);
bpmLegend = createLabel("bpm", bpmValue, LV_ALIGN_OUT_BOTTOM_MID, &jetbrains_mono_bold_20, 0, 0);
bpmTap = lv_btn_create(lv_scr_act(), nullptr);
bpmTap->user_data = this;
lv_obj_set_event_cb(bpmTap, eventHandler);
lv_obj_set_style_local_bg_opa(bpmTap, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_TRANSP);
lv_obj_set_height(bpmTap, 80);
lv_obj_align(bpmTap, bpmValue, LV_ALIGN_IN_TOP_MID, 0, 0);
bpbDropdown = lv_dropdown_create(lv_scr_act(), nullptr);
bpbDropdown->user_data = this;
lv_obj_set_event_cb(bpbDropdown, eventHandler);
lv_obj_set_style_local_pad_left(bpbDropdown, LV_DROPDOWN_PART_MAIN, LV_STATE_DEFAULT, 20);
lv_obj_set_style_local_pad_left(bpbDropdown, LV_DROPDOWN_PART_LIST, LV_STATE_DEFAULT, 20);
lv_obj_align(bpbDropdown, lv_scr_act(), LV_ALIGN_IN_BOTTOM_LEFT, 15, -4);
lv_dropdown_set_options(bpbDropdown, "1\n2\n3\n4\n5\n6\n7\n8\n9");
lv_dropdown_set_selected(bpbDropdown, bpb - 1);
bpbLegend = lv_label_create(bpbDropdown, nullptr);
lv_label_set_text(bpbLegend, "bpb");
lv_obj_align(bpbLegend, bpbDropdown, LV_ALIGN_IN_RIGHT_MID, -15, 0);
playPause = lv_btn_create(lv_scr_act(), nullptr);
playPause->user_data = this;
lv_obj_set_event_cb(playPause, eventHandler);
lv_obj_align(playPause, lv_scr_act(), LV_ALIGN_IN_BOTTOM_RIGHT, -15, -10);
lv_obj_set_height(playPause, 39);
playPauseLabel = lv_label_create(playPause, nullptr);
lv_label_set_text(playPauseLabel, Symbols::play);
}
Metronome::~Metronome() {
systemTask.PushMessage(System::Messages::EnableSleeping);
lv_obj_clean(lv_scr_act());
}
bool Metronome::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
return false;
}
bool Metronome::Refresh() {
switch (currentState) {
case States::Stopped: {
break;
}
case States::Running: {
if (calculateDelta(startTime, xTaskGetTickCount()) >= (60.0 / bpm)) {
counter--;
startTime -= 60.0 / bpm;
startTime = xTaskGetTickCount();
if (counter == 0) {
counter = bpb;
motorController.SetDuration(90);
} else {
motorController.SetDuration(30);
}
}
break;
}
}
return running;
}
void Metronome::OnEvent(lv_obj_t* obj, lv_event_t event) {
switch (event) {
case LV_EVENT_VALUE_CHANGED: {
if (obj == bpmArc) {
bpm = lv_arc_get_value(bpmArc);
lv_label_set_text_fmt(bpmValue, "%03d", bpm);
} else if (obj == bpbDropdown) {
bpb = lv_dropdown_get_selected(obj) + 1;
}
break;
}
case LV_EVENT_PRESSED: {
if (obj == bpmTap) {
float timeDelta = calculateDelta(tappedTime, xTaskGetTickCount());
if (tappedTime == 0 || timeDelta > 3) {
tappedTime = xTaskGetTickCount();
} else {
bpm = ceil(60.0 / timeDelta);
lv_arc_set_value(bpmArc, bpm);
lv_label_set_text_fmt(bpmValue, "%03d", bpm);
tappedTime = xTaskGetTickCount();
}
}
break;
}
case LV_EVENT_CLICKED: {
if (obj == playPause) {
currentState = (currentState == States::Stopped ? States::Running : States::Stopped);
switch (currentState) {
case States::Stopped: {
lv_label_set_text(playPauseLabel, Symbols::play);
systemTask.PushMessage(System::Messages::EnableSleeping);
break;
}
case States::Running: {
lv_label_set_text(playPauseLabel, Symbols::pause);
systemTask.PushMessage(System::Messages::DisableSleeping);
startTime = xTaskGetTickCount();
counter = 1;
break;
}
}
}
break;
}
}
}
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