in sev state

src/storage/storage_config.h

@@ -47,7 +47,7 @@
 
 // SPI until the SDIO-capable board arrives.
 #ifndef STORAGE_IFACE
-#define STORAGE_IFACE STORAGE_IFACE_SPI
+#define STORAGE_IFACE STORAGE_IFACE_SDMMC
 #endif
 
 // --- Common -----------------------------------------------------------------
@@ -75,12 +75,19 @@
 // --- SDIO / SD_MMC (production, 4-bit) --------------------------------------
 
 // Default ESP32 SDMMC slot-1 pins (GPIO matrix, freely re-routable).
-#define STORAGE_SDMMC_CLK  6
-#define STORAGE_SDMMC_CMD  11
-#define STORAGE_SDMMC_D0   7
-#define STORAGE_SDMMC_D1   8
-#define STORAGE_SDMMC_D2   9
-#define STORAGE_SDMMC_D3   10
+// Interface 1: #define STORAGE_SDMMC_CLK  6
+// Interface 1: #define STORAGE_SDMMC_CMD  11
+// Interface 1: #define STORAGE_SDMMC_D0   7
+// Interface 1: #define STORAGE_SDMMC_D1   8
+// Interface 1: #define STORAGE_SDMMC_D2   9
+// Interface 1: #define STORAGE_SDMMC_D3   10
+
+#define STORAGE_SDMMC_CLK  14
+#define STORAGE_SDMMC_CMD  15
+#define STORAGE_SDMMC_D0   2
+#define STORAGE_SDMMC_D1   4
+#define STORAGE_SDMMC_D2   12
+#define STORAGE_SDMMC_D3   13
 
 // false = 4-bit wide bus (required for >8 MB/s). Do NOT enable 1-bit mode.
 #define STORAGE_SDMMC_MODE_1BIT          false
@@ -113,14 +120,20 @@
 // this benchmark disabled by setting the interval to 0 (measure once at boot).
 #define STORAGE_SPEED_MEASURE_INTERVAL_MS 0
 
+// --- Bring-up sanity test ----------------------------------------------------
+
+// Small fixed-content file written at boot to prove the card's write path
+// works end to end (create/open/write/close on the live mount).
+#define STORAGE_TEST_FILE_PATH   STORAGE_MOUNT_POINT "/happy_file.txt"
+
 // --- Audio logging ----------------------------------------------------------
 //
 //  The DataLogger (docs/audio_logging.md) writes one multichannel WAV file
 //  per rotation. The Node collection task feeds it interleaved 40-channel PCM
 //  as chunks; the logger appends them and only the consumer touches the card.
 //
-//  Stream rate: 40 ch x 48 kHz x 2 B = 3,840,000 B/s. The 128 KB pool holds
-//  ~34 ms of audio, so collection rounds must stay <= ~25 ms (<= 96 KB) or
+//  Stream rate: 40 ch x 48 kHz x 2 B = 3,840,000 B/s. The 64 KB pool holds
+//  ~17 ms of audio, so collection rounds must stay <= ~12 ms (<= 48 KB) or
 //  the pool must grow (see docs/audio_logging.md section 7).
 
 // WAV parameters (must match what the Nodes produce).
@@ -129,8 +142,9 @@
 #define STORAGE_AUDIO_BITS             16
 
 // Chunk pool: STORAGE_LOG_POOL_SIZE chunks of STORAGE_LOG_CHUNK_SIZE bytes,
-// allocated with MALLOC_CAP_DMA. 128 KB total.
-#define STORAGE_LOG_CHUNK_SIZE         (16 * 1024)
+// allocated with MALLOC_CAP_DMA. 64 KB total. Each interleave round (see
+// NET_ROUND_FRAMES) must fit inside one chunk.
+#define STORAGE_LOG_CHUNK_SIZE         (8 * 1024)
 #define STORAGE_LOG_POOL_SIZE          8
 
 // Recording directory and rotation policy.