Changed NVS storage for settings in flash from 2 to 4KB.

Added note to _platformio.ino_ files.

main/driver.c

@@ -57,6 +57,9 @@
 #include "grbl/motor_pins.h"
 #include "grbl/machine_limits.h"
 #include "grbl/pin_bits_masks.h"
+#if NVSDATA_BUFFER_ENABLE
+#include "grbl/nvs_buffer.h"
+#endif
 
 #if CONFIG_IDF_TARGET_ESP32S3
 #include "esp32s3/clk.h"
@@ -2925,7 +2928,7 @@ bool driver_init (void)
 #else
     hal.info = "ESP32";
 #endif
-    hal.driver_version = "241003";
+    hal.driver_version = "241025";
     hal.driver_url = GRBL_URL "/ESP32";
 #ifdef BOARD_NAME
     hal.board = BOARD_NAME;
@@ -3026,14 +3029,22 @@ bool driver_init (void)
 #if EEPROM_ENABLE
     i2c_eeprom_init();
 #else
-    if(nvsInit()) {
+    static const esp_partition_t *partition;
+
+    if((partition = nvsInit())) {
         hal.nvs.type = NVS_Flash;
         hal.nvs.memcpy_from_flash = nvsRead;
         hal.nvs.memcpy_to_flash = nvsWrite;
+        hal.nvs.size_max = partition->size;
     } else
         hal.nvs.type = NVS_None;
 #endif
 
+#if NVSDATA_BUFFER_ENABLE
+    if(hal.nvs.type != NVS_None)
+    	nvs_buffer_alloc(); // Reallocate memory block for NVS buffer
+#endif
+
 #if DRIVER_SPINDLE_ENABLE
 
  #if DRIVER_SPINDLE_PWM_ENABLE

main/nvs.c

@@ -5,23 +5,22 @@
 
   Part of grblHAL
 
-  Copyright (c) 2018-2023 Terje Io
+  Copyright (c) 2018-2024 Terje Io
 
-  Grbl is free software: you can redistribute it and/or modify
+  grblHAL is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
-  Grbl is distributed in the hope that it will be useful,
+  grblHAL is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
-  along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
+  along with grblHAL. If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "esp_partition.h"
 #include "esp_log.h"
 
 #include "nvs.h"
@@ -73,9 +72,9 @@ bool nvsWrite (uint8_t *source)
     return ok;
 }
 
-bool nvsInit (void)
+const esp_partition_t *nvsInit (void)
 {
     grblNVS = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_ANY, "grbl");
 
-    return grblNVS != NULL;
+    return grblNVS;
 }

main/nvs.h

@@ -1,26 +1,28 @@
 /*
-  nvs.c - An embedded CNC Controller with rs274/ngc (g-code) support
+  nvs.h - An embedded CNC Controller with rs274/ngc (g-code) support
 
   Peristent storage of settings in flash
 
   Part of grblHAL
 
-  Copyright (c) 2018 Terje Io
+  Copyright (c) 2018-2024 Terje Io
 
-  Grbl is free software: you can redistribute it and/or modify
+  grblHAL is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
-  Grbl is distributed in the hope that it will be useful,
+  grblHAL is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
-  along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
+  along with grblHAL. If not, see <http://www.gnu.org/licenses/>.
 */
 
-bool nvsInit(void);
+#include "esp_partition.h"
+
+const esp_partition_t *nvsInit(void);
 bool nvsRead (uint8_t *dest);
 bool nvsWrite (uint8_t *source);

platformio.cnc3040.ini

@@ -8,6 +8,12 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
+#
+# NOTE: PlatformIO support is provided by the community and platformio.ini is
+# not maintained or tested by the repo owner.
+# Please submit a PR with bug fixes and enhancments.
+#
+
 [platformio]
 src_dir = main
 include_dir = main

platformio.ini

@@ -2,6 +2,12 @@
 # Building for BDring new 6x board
 #
 
+#
+# NOTE: PlatformIO support is provided by the community and platformio.ini is
+# not maintained or tested by the repo owner.
+# Please submit a PR with bug fixes and enhancments.
+#
+
 [platformio]
 src_dir = main
 include_dir = main