Public Access
twislaandClaude Opus 5.5
44de78ea62
A failed mount retries for ~2.5 s, which froze the UI every 15 s while no card was inserted. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
#include "storage_service.h"
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#include <SD.h>
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#include "platform/pins.h"
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#include "platform/shared_spi.h"
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namespace roro {
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void StorageService::start() {
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if (task_) return;
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lock_ = xSemaphoreCreateMutex();
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xTaskCreate(taskEntry, "storage", 4096, this, 1, &task_);
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}
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void StorageService::stop() {
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if (!task_) return;
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vTaskDelete(task_);
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task_ = nullptr;
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if (mounted_) SD.end();
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mounted_ = false;
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}
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StorageState StorageService::state() const {
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xSemaphoreTake(lock_, portMAX_DELAY);
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StorageState copy = monitor_.state();
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xSemaphoreGive(lock_);
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return copy;
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}
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void StorageService::taskEntry(void* self) {
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auto* service = static_cast<StorageService*>(self);
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for (;;) {
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service->poll();
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vTaskDelay(pdMS_TO_TICKS(kPollMs));
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}
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}
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bool StorageService::mount() {
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return SD.begin(pins::kSdCs, sharedSpi(), 20000000, "/sd", 5, false);
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}
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void StorageService::poll() {
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if (mounted_) {
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// Detect removal: the root can no longer be opened.
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File root = SD.open("/");
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if (!root) {
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SD.end();
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mounted_ = false;
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}
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}
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if (!mounted_) mounted_ = mount();
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bool present = mounted_;
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uint64_t total = present ? SD.totalBytes() : 0;
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uint64_t used = present ? SD.usedBytes() : 0;
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xSemaphoreTake(lock_, portMAX_DELAY);
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monitor_.update(present, total, used);
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xSemaphoreGive(lock_);
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}
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} // namespace roro
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