Analyze the resource of DSP, utilizing its Multichannel Buffered Serial Ports (McBSP) which simulates SPI protocol to interface with ECG collecting module and utilizing its Host-Port interface (HPI) to interface with network module.

• 分析DSP的资源，利用其多通道缓冲串口（McBSP）模拟SPI协议和心电采集模块接口，利用主机接口（HPI）和网络模块接口。