static ret_code_t fds_test_write(uint32_t tmp)
{
		#define FILE_ID     0x1111
		#define REC_KEY     0x2222
	//	static uint32_t const m_deadbeef[2] = {0xDEADBEEF,0xBAADF00D};
	 uint32_t  m_deadbeef[1] = {tmp};
		fds_record_t        record;
		fds_record_desc_t   record_desc;
		fds_record_chunk_t  record_chunk;
		// Set up data.
		record_chunk.p_data         = m_deadbeef;
		record_chunk.length_words   = 2;
		// Set up record.
		record.file_id              = FILE_ID;
		record.key              		= REC_KEY;
		record.data.p_chunks       = &record_chunk;
		record.data.num_chunks   = 1;
				
		ret_code_t ret = fds_record_write(&record_desc, &record);
		if (ret != FDS_SUCCESS)
		{
				return ret;
		}
		 NRF_LOG_INFO("Writing Record ID = %d \r\n",record_desc.record_id);
		return NRF_SUCCESS;
}


I am calling this function in main as below snippet:


		while(count!=50)
	{
		tmp = 280;
	read_sensor_data(0x02, 0,(uint8_t*)&tmp, sizeof(tmp));
	tmp = (tmp/10);
	err_code =fds_test_write(tmp);
		APP_ERROR_CHECK(err_code);
		nrf_delay_ms(2000);
count++;
	}