利用omapl138平台，arm利用socket通信接收IEC61850数据包并交付给DSP进行解包和电能计算，程序设计利用多线程，可实现电能实时计算，满足4k采样速率。(Using omapl138 platform, arm uses socket communication to receive IEC61850 data packet and delivers it to DSP for unpacking and energy calculation. The program desi