rework SD card logging

include/sdcard.h

@@ -6,11 +6,15 @@
 #include "globals.h"
 #include <stdio.h>
 #include <SPI.h>
+#include "esp_vfs_fat.h"
+#include "sdmmc_cmd.h"
+
+#define MOUNT_POINT "/sdcard"
 
 #if HAS_SDCARD == 1
-#include <SD.h>
+#include "driver/sdspi_host.h"
 #elif HAS_SDCARD == 2
-#include <SD_MMC.h>
+#include "driver/sdmmc_host.h"
 #else
 #error HAS_SDCARD unknown card reader value, must be either 1 or 2
 #endif
@@ -35,25 +39,6 @@
 #define SDCARD_SCLK SCK
 #endif
 
-// Default config for SDMMC_HOST_DEFAULT (4-bit bus width, slot 1)
-// https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/sdmmc_host.html
-
-#ifndef SDCARD_DATA0
-#define SDCARD_DATA0 2
-#endif
-
-#ifndef SDCARD_DATA1
-#define SDCARD_DATA1 4
-#endif
-
-#ifndef SDCARD_DATA2
-#define SDCARD_DATA2 12
-#endif
-
-#ifndef SDCARD_DATA3
-#define SDCARD_DATA3 13
-#endif
-
 #define SDCARD_FILE_NAME clientId
 #define SDCARD_FILE_HEADER "timestamp,wifi,ble"
 
@@ -62,6 +47,7 @@
 #endif
 
 bool sdcard_init(bool create = true);
+void sdcard_flush(void);
 void sdcard_close(void);
 void sdcardWriteData(uint16_t, uint16_t, uint16_t = 0);