samples: nfc: writable_ndef_msg: Align documentation

The change updates documentation and
aligns comments related to the file system.

Signed-off-by: Marcin Jelinski <[email protected]>

Author: maje-emb

samples/nfc/writable_ndef_msg/README.rst

@@ -110,10 +110,11 @@ In addition, it uses the Type 4 Tag library from `sdk-nrfxlib`_:
 
 It uses the following Zephyr libraries:
 
-* ``include/atomic.h``
-* ``include/zephyr.h``
-* ``include/device.h``
-* ``include/nvs/nvs.h``
+* :ref:`zephyr:nvs_api`
+* :ref:`zephyr:zms_api`
+* :file:`include/zephyr/zephyr.h`
+* :file:`include/zephyr/device.h`
+
 * :ref:`GPIO Interface <zephyr:api_peripherals>`
 
 The sample also uses the following secure firmware component:

samples/nfc/writable_ndef_msg/src/main.c

@@ -126,7 +126,7 @@ int main(void)
 		printk("Cannot initialize board!\n");
 		goto fail;
 	}
-	/* Initialize NVS. */
+	/* Initialize storage. */
 	if (ndef_file_setup() < 0) {
 		printk("Cannot setup NDEF file!\n");
 		goto fail;

samples/nfc/writable_ndef_msg/src/ndef_file_m.c

@@ -32,7 +32,7 @@
 static const uint8_t m_url[] = /**< Default NDEF message: URL "nordicsemi.com". */
 	{'n', 'o', 'r', 'd', 'i', 'c', 's', 'e', 'm', 'i', '.', 'c', 'o', 'm'};
 
-/* Flash partition for NVS */
+/* Flash partition for storage*/
 #define FLASH_DEVICE FIXED_PARTITION_DEVICE(storage_partition)
 /* Flash block size in bytes */
 #define SECTOR_SIZE  (DT_PROP(DT_CHOSEN(zephyr_flash), erase_block_size))
@@ -72,7 +72,7 @@ int ndef_file_setup(void)
 #endif /* defined(CONFIG_NVS) */
 
 	if (err < 0) {
-		printk("Cannot initialize NVS!\n");
+		printk("Cannot initialize storage!\n");
 	}
 
 	return err;

samples/nfc/writable_ndef_msg/src/ndef_file_m.h

@@ -19,7 +19,7 @@
 #include <zephyr/types.h>
 
 /**
- * @brief   Function for initializing the NVS module.
+ * @brief   Function for initializing the storage module.
  *
  * @return 0 when module has been set up properly,
  * error code otherwise.
@@ -29,7 +29,7 @@ int ndef_file_setup(void);
 /**
  * @brief   Function for updating NDEF message in the flash file.
  *
- * @details NVS update operation is performed on main loop.
+ * @details Storage update operation is performed on main loop.
  *
  * @param buff Pointer to the NDEF message to be stored in flash.
  * @param size Size of NDEF message.