Basic working SD card.'

src/tasks/storage_task.cpp

@@ -1,9 +1,12 @@
 #include "storage_task.h"
 
+#include "../storage/storage_config.h"
 
-StorageTask::StorageTask(SDManager& manager)
+
+StorageTask::StorageTask(SDManager& manager, StorageState& state)
 :
 storage(manager),
+storageState(state),
 taskHandle(nullptr)
 {
 }
@@ -40,6 +43,11 @@ void StorageTask::run()
 {
     Serial.println("[Storage] Initializing SD card...");
 
+    storageState.begin();
+
+    // While the mount has not succeeded the dashboard must show "SD not found".
+    storageState.setMounted(false);
+
     // Retry the mount until it succeeds. This keeps the card dead-pin-capable:
     // reseating the card, fixing a wire, or powering the module will bring it
     // up without rebooting the Hub. (The SD init handshake runs at 400 kHz, so
@@ -53,17 +61,35 @@ void StorageTask::run()
         vTaskDelay(pdMS_TO_TICKS(5000));
     }
 
+    storageState.setMounted(true);
+    storageState.setCardType(storage.cardTypeName());
+
     storage.printCardInfo();
     storage.listFiles();
 
+    // Initial write-speed estimate for the dashboard.
+    storageState.setWriteSpeedBps(storage.measureWriteSpeed());
+    storageState.setCapacity(storage.totalBytes(), storage.usedBytes());
+
     TickType_t lastWake =
         xTaskGetTickCount();
 
+    uint32_t lastSpeedMeasure = millis();
+
     while (true)
     {
+        // Periodically re-estimate write speed and refresh capacity so the
+        // dashboard stays current. An interval of 0 disables re-measuring.
+        if (STORAGE_SPEED_MEASURE_INTERVAL_MS != 0 &&
+            millis() - lastSpeedMeasure >= STORAGE_SPEED_MEASURE_INTERVAL_MS)
+        {
+            lastSpeedMeasure = millis();
+            storageState.setWriteSpeedBps(storage.measureWriteSpeed());
+            storageState.setCapacity(storage.totalBytes(), storage.usedBytes());
+        }
+
         // Future integration point: a producer/consumer queue will feed
-        // audio data here to be flushed to the card. For now the task
-        // simply idles while the system runs.
+        // audio data here to be flushed to the card.
         vTaskDelayUntil(
             &lastWake,
             pdMS_TO_TICKS(1000)