参考下面AWR1642 vital sign demo的相关代码：
MmwDemo_mboxReadTask() in C:\ti\mmwave_automotive_toolbox_2_9_1\labs\lab0001-driver-vital-signs\vitalSigns_target\mss\mss_main.c
MmwDemo_dssSendProcessOutputToMSS() in C:\ti\mmwave_automotive_toolbox_2_9_1\labs\lab0001-driver-vital-signs\vitalSigns_target\dss\dss_main.c
