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TDA2X可以通过SPI口发送命令给AWR2243，AWR2243 firmware收到命令后会根据参数去控制硬件。请看\mmwave_dfp_02_02_00_03\docs\mmwave_dfp_user_guide.pdf里的9. API Sequence关于外部processor和awr2243通信流程。命令的参数解释参考mmWave-Radar-Interface-Control.pdf。 https://www.ti.com/tool/download/MMWAVE-DFP-2G
