Add a settings console command

components/settings/CMakeLists.txt

@@ -1,5 +1,5 @@
 idf_component_register(
   SRCS "settings.c"
   INCLUDE_DIRS "."
-  REQUIRES fatal nvs_flash
+  REQUIRES console_wrapper fatal nvs_flash
 )

components/settings/settings.c

@@ -5,6 +5,7 @@
 
 #include "settings.h"
 
+#include "console.h"
 #include "fatal.h"
 
 #include "esp_log.h"
@@ -165,6 +166,34 @@ static void add_callback(ItemIndex item, SettingsCallback callback)
 	}
 }
 
+static int command_func(int argc, char **argv)
+{
+	if (argc == 2) {
+		for (unsigned i = 0; i < ITEM_COUNT; ++i) {
+			if (strcmp(state[i].id, argv[1]) != 0)
+				continue;
+			char buffer[SETTINGS_MAX_VALUE_SIZE];
+			(void)get(i, buffer, SETTINGS_MAX_VALUE_SIZE);
+			printf("%s\n", buffer);
+			return 0;
+		}
+		printf("Setting not found\n");
+		return 1;
+	} else if (argc == 3) {
+		for (unsigned i = 0; i < ITEM_COUNT; ++i) {
+			if (strcmp(state[i].id, argv[1]) != 0)
+				continue;
+			set(i, argv[2]);
+			return 0;
+		}
+		printf("Setting not found\n");
+		return 1;
+	} else {
+		printf("Invalid number of arguments\n");
+		return 1;
+	}
+}
+
 void settings_init()
 {
 	esp_err_t error;
@@ -187,6 +216,10 @@ void settings_init()
 			save(item);
 		}
 	}
+
+	console_register(
+	    "settings", "Get or set a setting",
+	    "settings <id> OR settings <id> <value>", command_func);
 }
 
 void settings_set_hostname(const char *hostname)