Addition of settings. Store setting on the sd card. Access settings t…

app/Readme.md

@@ -0,0 +1,28 @@
+To implement the settings storage on the SD card, replace the 'mkdir_for_file'  with the  following function  that can be found in the  Zephyr core file - `settings_file.c`, located at `zephyr/subsys/settings/src/settings_file.c`.
+
+
+static int mkdir_for_file(const char *file_path)
+{
+    char dir_path[SETTINGS_FILE_NAME_MAX];
+    int err;
+
+    for (size_t i = 0; file_path[i] != '\0'; i++) {
+        if (i > 0 && file_path[i] == '/') {
+            dir_path[i] = '\0';
+
+            // Skip mkdir for FatFS root directories (ending with ':')
+            if (strrchr(dir_path, ':') == &dir_path[strlen(dir_path) - 1]) {
+                LOG_DBG("FatFS root directory detected, skipping mkdir for path: %s",
+                        dir_path);
+            } else {
+                err = mkdir_if_not_exists(dir_path);
+                if (err) {
+                    return err;
+                }
+            }
+        }
+        dir_path[i] = file_path[i];
+    }
+
+    return 0;
+}

app/boards/nucleo_f302r8.overlay → app/boards/panomic_board.overlay

@@ -25,3 +25,16 @@
 &gpioc {
   status = "okay";
 };
+
+&spi1 {
+	sdhc0: sdhc@0 {
+		compatible = "zephyr,sdhc-spi-slot";
+		reg = <0>;
+		status = "okay";
+		mmc {
+			compatible = "zephyr,sdmmc-disk";
+			status = "okay";
+		};
+		spi-max-frequency = <4000000>;
+	};
+};

app/debug.conf

@@ -12,30 +12,33 @@ CONFIG_APP_LOG_LEVEL_DBG=y
 
 # Enable stack sentinel to detect stack overflows
 #CONFIG_STACK_SENTINEL=y
-
-CONFIG_HEAP_MEM_POOL_SIZE=16384
 #CONFIG_HW_STACK_PROTECTION=y
 
 # Shell Related Configs
 # Enable Shell for GPIO
 CONFIG_GPIO=y
 CONFIG_GPIO_SHELL=y
+
+#Enable UART console
 CONFIG_UART_CONSOLE=y
 
 # Enable Shell for I2C
 CONFIG_I2C=y
 CONFIG_I2C_SHELL=y
 
+#Enables settings on shell
+CONFIG_SETTINGS_SHELL=y
+
 #ENABLE TO USE SYSTEM VIEW TRACE
 #***********************************************************************************
-CONFIG_STDOUT_CONSOLE=y
-# enable to use thread names
-CONFIG_THREAD_NAME=y
-CONFIG_SEGGER_SYSTEMVIEW=y
-CONFIG_USE_SEGGER_RTT=y
-CONFIG_TRACING=y
-# enable for post-mortem tracing
-CONFIG_SEGGER_SYSVIEW_POST_MORTEM_MODE=n
+# CONFIG_STDOUT_CONSOLE=y
+# # enable to use thread names
+# CONFIG_THREAD_NAME=y
+# CONFIG_SEGGER_SYSTEMVIEW=y
+# CONFIG_USE_SEGGER_RTT=y
+# CONFIG_TRACING=y
+# # enable for post-mortem tracing
+# CONFIG_SEGGER_SYSVIEW_POST_MORTEM_MODE=n
 #***********************************************************************************
 
 # #ENABLE ALL BELOW PERCEPIO CONFIGURATION TO WORK WITH PERCEPIO TRACELIZER SOFTWARE

app/prj.conf

@@ -3,6 +3,10 @@
 #
 # This file contains selected Kconfig options for the application.
 
+# Heap and stack sizes
+CONFIG_HEAP_MEM_POOL_SIZE=8192
+CONFIG_MAIN_STACK_SIZE=4096
+
 CONFIG_SENSOR=y
 CONFIG_BLINK=y
 
@@ -25,3 +29,19 @@ CONFIG_SHELL_HISTORY=y
 # Disable log redirection to shell to separate it
 CONFIG_SHELL_LOG_BACKEND=n 
 
+#SD card configurations
+CONFIG_DISK_ACCESS=y
+CONFIG_FILE_SYSTEM=y
+CONFIG_FAT_FILESYSTEM_ELM=y
+CONFIG_MAIN_STACK_SIZE=2048
+
+CONFIG_SPI=y
+CONFIG_DISK_DRIVER_SDMMC=y
+CONFIG_SPI_STM32=y
+
+#Settings configuations
+CONFIG_SETTINGS=y
+CONFIG_SETTINGS_RUNTIME=y
+
+CONFIG_SETTINGS_FILE=y
+CONFIG_SETTINGS_FILE_PATH="/SD:/settings/settings.txt"