Netduino plus 2 SD卡写入

Netduino plus 2自带SD卡槽，最大支持2G卡，以下是最基本的磁卡写入代码。

 

for (int i = 0; i < 50; i++)
            {
                using (var filestream = new FileStream(@"SD\OBDlog.txt", FileMode.Append))
                {
                    StreamWriter streamWriter = new StreamWriter(filestream);

                    streamWriter.WriteLine(i.ToString()+"-\nThis is a test...\nThis is only a test...\n");
                    streamWriter.Flush();
                    streamWriter.Close();
                    streamWriter.Dispose();
                    Thread.Sleep(100);
                    
                }
            }
            Thread.Sleep(5000);
            Debug.Print("Read File...");
            //Test reading from file just written
            using (var filestream = new FileStream(@"SD\OBDlog.txt", FileMode.Open))
            {
                StreamReader reader = new StreamReader(filestream);
                Debug.Print(reader.ReadToEnd());
                
                reader.Close();
                reader.Dispose();
            }