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fix CPU usage of esp32c3 with ml307

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This commit is contained in:
Terrence
2025-06-29 05:40:27 +08:00
parent f2f54ba1fd
commit d1c586239c
4 changed files with 34 additions and 17 deletions
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11
main/background_task.cc
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@@ -18,12 +18,16 @@ BackgroundTask::~BackgroundTask() {
}
}
void BackgroundTask::Schedule(std::function<void()> callback) {
bool BackgroundTask::Schedule(std::function<void()> callback) {
std::lock_guard<std::mutex> lock(mutex_);
if (waiting_for_completion_ > 0) {
return false;
}
if (active_tasks_ >= 30) {
int free_sram = heap_caps_get_free_size(MALLOC_CAP_INTERNAL);
if (free_sram < 10000) {
ESP_LOGW(TAG, "active_tasks_ == %u, free_sram == %u", active_tasks_.load(), free_sram);
ESP_LOGW(TAG, "active_tasks_ == %d, free_sram == %u", active_tasks_, free_sram);
return false;
}
}
active_tasks_++;
@@ -38,13 +42,16 @@ void BackgroundTask::Schedule(std::function<void()> callback) {
}
});
condition_variable_.notify_all();
return true;
}
void BackgroundTask::WaitForCompletion() {
std::unique_lock<std::mutex> lock(mutex_);
waiting_for_completion_++;
condition_variable_.wait(lock, [this]() {
return background_tasks_.empty() && active_tasks_ == 0;
});
waiting_for_completion_--;
}
void BackgroundTask::BackgroundTaskLoop() {