78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
#include "buttonhandler/ButtonHandler.h"
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using namespace Pinetime::Controllers;
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void ButtonTimerCallback(TimerHandle_t xTimer) {
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auto* sysTask = static_cast<Pinetime::System::SystemTask*>(pvTimerGetTimerID(xTimer));
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sysTask->PushMessage(Pinetime::System::Messages::HandleButtonTimerEvent);
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}
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void ButtonHandler::Init(Pinetime::System::SystemTask* systemTask) {
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buttonTimer = xTimerCreate("buttonTimer", pdMS_TO_TICKS(200), pdFALSE, systemTask, ButtonTimerCallback);
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}
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ButtonActions ButtonHandler::HandleEvent(Events event) {
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static constexpr TickType_t doubleClickTime = pdMS_TO_TICKS(200);
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static constexpr TickType_t longPressTime = pdMS_TO_TICKS(400);
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static constexpr TickType_t longerPressTime = pdMS_TO_TICKS(2000);
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if (event == Events::Press) {
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buttonPressed = true;
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} else if (event == Events::Release) {
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releaseTime = xTaskGetTickCount();
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buttonPressed = false;
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}
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switch (state) {
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case States::Idle:
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if (event == Events::Press) {
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xTimerChangePeriod(buttonTimer, doubleClickTime, 0);
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xTimerStart(buttonTimer, 0);
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state = States::Pressed;
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}
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break;
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case States::Pressed:
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if (event == Events::Press) {
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if (xTaskGetTickCount() - releaseTime < doubleClickTime) {
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xTimerStop(buttonTimer, 0);
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state = States::Idle;
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return ButtonActions::DoubleClick;
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}
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} else if (event == Events::Release) {
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xTimerChangePeriod(buttonTimer, doubleClickTime, 0);
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xTimerStart(buttonTimer, 0);
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} else if (event == Events::Timer) {
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if (buttonPressed) {
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xTimerChangePeriod(buttonTimer, longPressTime - doubleClickTime, 0);
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xTimerStart(buttonTimer, 0);
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state = States::Holding;
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} else {
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state = States::Idle;
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return ButtonActions::Click;
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}
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}
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break;
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case States::Holding:
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if (event == Events::Release) {
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xTimerStop(buttonTimer, 0);
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state = States::Idle;
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return ButtonActions::Click;
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} else if (event == Events::Timer) {
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xTimerChangePeriod(buttonTimer, longerPressTime - longPressTime - doubleClickTime, 0);
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xTimerStart(buttonTimer, 0);
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state = States::LongHeld;
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return ButtonActions::LongPress;
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}
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break;
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case States::LongHeld:
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if (event == Events::Release) {
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xTimerStop(buttonTimer, 0);
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state = States::Idle;
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} else if (event == Events::Timer) {
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state = States::Idle;
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return ButtonActions::LongerPress;
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}
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break;
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}
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return ButtonActions::None;
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}
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