Ken Van Hoeylandt
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
#include <Tactility/lvgl/Statusbar.h>
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#include <Tactility/service/ServiceContext.h>
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#include <Tactility/service/ServiceManifest.h>
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#include <Tactility/service/memorychecker/MemoryCheckerService.h>
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#include <tactility/lvgl_icon_statusbar.h>
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#include <tactility/log.h>
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namespace tt::service::memorychecker {
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constexpr auto* TAG = "MemoryChecker";
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// Total memory (in bytes) that should be free before warnings occur
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constexpr auto TOTAL_FREE_THRESHOLD = 10'000;
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// Smallest memory block size (in bytes) that should be available before warnings occur
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constexpr auto LARGEST_FREE_BLOCK_THRESHOLD = 2'000;
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static size_t getInternalFree() {
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#ifdef ESP_PLATFORM
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return heap_caps_get_free_size(MALLOC_CAP_INTERNAL);
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#else
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// PC mock data
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return 1024 * 1024;
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#endif
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}
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static size_t getInternalLargestFreeBlock() {
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#ifdef ESP_PLATFORM
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return heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL);
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#else
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// PC mock data
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return 1024 * 1024;
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#endif
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}
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static bool isMemoryLow() {
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bool memory_low = false;
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const auto total_free = getInternalFree();
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if (total_free < TOTAL_FREE_THRESHOLD) {
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LOG_W(TAG, "Internal memory low: %d bytes", (int)total_free);
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memory_low = true;
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}
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const auto largest_block = getInternalLargestFreeBlock();
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if (largest_block < LARGEST_FREE_BLOCK_THRESHOLD) {
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LOG_W(TAG, "Largest free internal memory block is %d bytes", (int)largest_block);
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memory_low = true;
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}
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return memory_low;
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}
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bool MemoryCheckerService::onStart(ServiceContext& service) {
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auto lock = mutex.asScopedLock();
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lock.lock();
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statusbarIconId = lvgl::statusbar_icon_add(LVGL_ICON_STATUSBAR_MEMORY, false);
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lvgl::statusbar_icon_set_visibility(statusbarIconId, false);
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timer.setCallbackPriority(Thread::Priority::Lower);
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timer.start();
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return true;
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}
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void MemoryCheckerService::onStop(ServiceContext& service) {
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timer.stop();
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// Lock after timer stop, because the timer task might still be busy and this way we await it
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auto lock = mutex.asScopedLock();
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lock.lock();
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lvgl::statusbar_icon_remove(statusbarIconId);
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}
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void MemoryCheckerService::onTimerUpdate() {
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auto lock = mutex.asScopedLock();
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lock.lock();
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bool memory_low = isMemoryLow();
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if (memory_low != memoryLow) {
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memoryLow = memory_low;
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lvgl::statusbar_icon_set_visibility(statusbarIconId, memory_low);
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}
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}
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extern const ServiceManifest manifest = {
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.id = "MemoryChecker",
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.createService = create<MemoryCheckerService>
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};
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}
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