42e843b463
* Remove version from artifact name * Target C++ 20 and higher * Use cpp string * Better crash implementation * String utils in cpp style * Replace parameter methods with start() method * MutexType to Mutex::Type * Kernel c to cpp style * Cleanup event flag * More cpp conversions * Test fixes * Updated ideas docs
84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
#include "Mutex.h"
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#include "Timer.h"
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#include "service/ServiceContext.h"
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#include "TactilityCore.h"
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#include "TactilityHeadless.h"
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#include "service/ServiceRegistry.h"
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#include <cstdlib>
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#define TAG "sdcard_service"
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namespace tt::service::sdcard {
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static int32_t sdcard_task(void* context);
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extern const ServiceManifest manifest;
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struct ServiceData {
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Mutex mutex;
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std::unique_ptr<Timer> updateTimer;
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hal::sdcard::State lastState = hal::sdcard::StateUnmounted;
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bool lock(TickType_t timeout) const {
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return mutex.acquire(timeout) == TtStatusOk;
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}
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void unlock() const {
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tt_check(mutex.release() == TtStatusOk);
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}
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};
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static void onUpdate(std::shared_ptr<void> context) {
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auto data = std::static_pointer_cast<ServiceData>(context);
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if (!data->lock(50)) {
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TT_LOG_W(TAG, "Failed to acquire lock");
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return;
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}
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hal::sdcard::State new_state = hal::sdcard::getState();
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if (new_state == hal::sdcard::StateError) {
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TT_LOG_W(TAG, "Sdcard error - unmounting. Did you eject the card in an unsafe manner?");
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hal::sdcard::unmount(kernel::millisToTicks(1000));
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}
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if (new_state != data->lastState) {
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data->lastState = new_state;
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}
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data->unlock();
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}
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static void onStart(ServiceContext& service) {
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if (hal::getConfiguration().sdcard != nullptr) {
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auto data = std::make_shared<ServiceData>();
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service.setData(data);
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data->updateTimer = std::make_unique<Timer>(Timer::TypePeriodic, onUpdate, data);
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// We want to try and scan more often in case of startup or scan lock failure
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data->updateTimer->start(1000);
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} else {
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TT_LOG_I(TAG, "task not started due to config");
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}
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}
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static void onStop(ServiceContext& service) {
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auto data = std::static_pointer_cast<ServiceData>(service.getData());
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if (data->updateTimer != nullptr) {
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// Stop thread
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data->updateTimer->stop();
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data->updateTimer = nullptr;
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}
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}
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extern const ServiceManifest manifest = {
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.id = "sdcard",
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.onStart = onStart,
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.onStop = onStop
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};
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} // namespace
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