diff options
Diffstat (limited to 'src/buttonhandler')
-rw-r--r-- | src/buttonhandler/ButtonActions.h | 7 | ||||
-rw-r--r-- | src/buttonhandler/ButtonHandler.cpp | 78 | ||||
-rw-r--r-- | src/buttonhandler/ButtonHandler.h | 24 |
3 files changed, 109 insertions, 0 deletions
diff --git a/src/buttonhandler/ButtonActions.h b/src/buttonhandler/ButtonActions.h new file mode 100644 index 00000000..21be441b --- /dev/null +++ b/src/buttonhandler/ButtonActions.h @@ -0,0 +1,7 @@ +#pragma once + +namespace Pinetime { + namespace Controllers { + enum class ButtonActions { None, Click, DoubleClick, LongPress, LongerPress }; + } +} diff --git a/src/buttonhandler/ButtonHandler.cpp b/src/buttonhandler/ButtonHandler.cpp new file mode 100644 index 00000000..91e8bbd0 --- /dev/null +++ b/src/buttonhandler/ButtonHandler.cpp @@ -0,0 +1,78 @@ +#include "ButtonHandler.h" + +using namespace Pinetime::Controllers; + +void ButtonTimerCallback(TimerHandle_t xTimer) { + auto* sysTask = static_cast<Pinetime::System::SystemTask*>(pvTimerGetTimerID(xTimer)); + sysTask->PushMessage(Pinetime::System::Messages::HandleButtonTimerEvent); +} + +void ButtonHandler::Init(Pinetime::System::SystemTask* systemTask) { + buttonTimer = xTimerCreate("buttonTimer", 0, pdFALSE, systemTask, ButtonTimerCallback); +} + +ButtonActions ButtonHandler::HandleEvent(Events event) { + static constexpr TickType_t doubleClickTime = pdMS_TO_TICKS(200); + static constexpr TickType_t longPressTime = pdMS_TO_TICKS(400); + static constexpr TickType_t longerPressTime = pdMS_TO_TICKS(2000); + + if (event == Events::Press) { + buttonPressed = true; + } else if (event == Events::Release) { + releaseTime = xTaskGetTickCount(); + buttonPressed = false; + } + + switch (state) { + case States::Idle: + if (event == Events::Press) { + xTimerChangePeriod(buttonTimer, doubleClickTime, 0); + xTimerStart(buttonTimer, 0); + state = States::Pressed; + } + break; + case States::Pressed: + if (event == Events::Press) { + if (xTaskGetTickCount() - releaseTime < doubleClickTime) { + xTimerStop(buttonTimer, 0); + state = States::Idle; + return ButtonActions::DoubleClick; + } + } else if (event == Events::Release) { + xTimerChangePeriod(buttonTimer, doubleClickTime, 0); + xTimerStart(buttonTimer, 0); + } else if (event == Events::Timer) { + if (buttonPressed) { + xTimerChangePeriod(buttonTimer, longPressTime - doubleClickTime, 0); + xTimerStart(buttonTimer, 0); + state = States::Holding; + } else { + state = States::Idle; + return ButtonActions::Click; + } + } + break; + case States::Holding: + if (event == Events::Release) { + xTimerStop(buttonTimer, 0); + state = States::Idle; + return ButtonActions::Click; + } else if (event == Events::Timer) { + xTimerChangePeriod(buttonTimer, longerPressTime - longPressTime - doubleClickTime, 0); + xTimerStart(buttonTimer, 0); + state = States::LongHeld; + return ButtonActions::LongPress; + } + break; + case States::LongHeld: + if (event == Events::Release) { + xTimerStop(buttonTimer, 0); + state = States::Idle; + } else if (event == Events::Timer) { + state = States::Idle; + return ButtonActions::LongerPress; + } + break; + } + return ButtonActions::None; +} diff --git a/src/buttonhandler/ButtonHandler.h b/src/buttonhandler/ButtonHandler.h new file mode 100644 index 00000000..44b20f19 --- /dev/null +++ b/src/buttonhandler/ButtonHandler.h @@ -0,0 +1,24 @@ +#pragma once + +#include "ButtonActions.h" +#include "systemtask/SystemTask.h" +#include <FreeRTOS.h> +#include <timers.h> + +namespace Pinetime { + namespace Controllers { + class ButtonHandler { + public: + enum class Events : uint8_t { Press, Release, Timer }; + void Init(Pinetime::System::SystemTask* systemTask); + ButtonActions HandleEvent(Events event); + + private: + enum class States : uint8_t { Idle, Pressed, Holding, LongHeld }; + TickType_t releaseTime = 0; + TimerHandle_t buttonTimer; + bool buttonPressed = false; + States state = States::Idle; + }; + } +} |