读串口并实时画波形，实现串口读取数据，根据得到的数据画出波形-UATR

利用串口或者蓝牙的通信方式将采集到的心电数据绘制成波形，并与matlab混合编程实现小波分析-Using serial or Bluetooth communication will be collected ECG data plotted waveform, and Hybrid Programming with matlab wavelet analysis