Support fs lock

Author: TienHuyIoT

libraries/SD_MMC/src/SD_MMC.cpp

@@ -36,7 +36,7 @@ SDMMCFS::SDMMCFS(FSImplPtr impl)
     : FS(impl), _card(NULL)
 {}
 
-bool SDMMCFS::begin(const char * mountpoint, bool mode1bit, bool format_if_mount_failed, int maxOpenFiles)
+bool SDMMCFS::begin(const char * mountpoint, bool mode1bit, bool format_if_mount_failed, int sdmmc_frequency, int maxOpenFiles)
 {
     if(_card) {
         return true;
@@ -59,7 +59,7 @@ bool SDMMCFS::begin(const char * mountpoint, bool mode1bit, bool format_if_mount
         .io_int_wait = &sdmmc_host_io_int_wait,
         .command_timeout_ms = 0
     };
-    host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
+    host.max_freq_khz = sdmmc_frequency;
 #ifdef BOARD_HAS_1BIT_SDMMC
     mode1bit = true;
 #endif

libraries/SD_MMC/src/SD_MMC.h

@@ -18,6 +18,13 @@
 #include "driver/sdmmc_types.h"
 #include "sd_defines.h"
 
+// If reading/writing to the SD card is unstable, 
+// you can define BOARD_MAX_SDMMC_FREQ with lower value (Ex. SDMMC_FREQ_DEFAULT) 
+// in pins_arduino.h for your board variant.
+#ifndef BOARD_MAX_SDMMC_FREQ
+#define BOARD_MAX_SDMMC_FREQ SDMMC_FREQ_HIGHSPEED
+#endif
+
 #ifndef SDMMC_HOST_MAX_FILES_DEFAULT
 #define SDMMC_HOST_MAX_FILES_DEFAULT 10
 #endif
@@ -32,7 +39,7 @@ class SDMMCFS : public FS
 
 public:
     SDMMCFS(FSImplPtr impl);
-    bool begin(const char *mountpoint = "/sdcard", bool mode1bit = false, bool format_if_mount_failed = false, int maxOpenFiles = SDMMC_HOST_MAX_FILES_DEFAULT);
+    bool begin(const char *mountpoint = "/sdcard", bool mode1bit = false, bool format_if_mount_failed = false, int sdmmc_frequency = BOARD_MAX_SDMMC_FREQ, int maxOpenFiles = SDMMC_HOST_MAX_FILES_DEFAULT);
     void end();
     sdcard_type_t cardType();
     uint64_t cardSize();

tools/sdk/include/config/sdkconfig.h

@@ -72,7 +72,7 @@
 #define CONFIG_APP_COMPILE_TIME_DATE 1
 #define CONFIG_CXX_EXCEPTIONS 1
 #define CONFIG_D2WD_PSRAM_CLK_IO 9
-#define CONFIG_FATFS_FS_LOCK 0
+#define CONFIG_FATFS_FS_LOCK 10
 #define CONFIG_IP_LOST_TIMER_INTERVAL 120
 #define CONFIG_SPIFFS_META_LENGTH 4
 #define CONFIG_ESP32_PANIC_PRINT_REBOOT 1
@@ -171,7 +171,7 @@
 #define CONFIG_SUPPRESS_SELECT_DEBUG_OUTPUT 1
 #define CONFIG_GATTS_SEND_SERVICE_CHANGE_MODE 0
 #define CONFIG_MAKE_WARN_UNDEFINED_VARIABLES 1
-#define CONFIG_FATFS_TIMEOUT_MS 10000
+#define CONFIG_FATFS_TIMEOUT_MS 1000
 #define CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM 32
 #define CONFIG_ESP_HTTP_CLIENT_ENABLE_HTTPS 1
 #define CONFIG_MBEDTLS_CCM_C 1