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IWR1443: How to modify the baud rate of IWR1443 radar from 921600 to 115200( measurement for vital signs)?

Part Number: IWR1443

In the code of Vital Signs in CCS for IWR1443 radar, the baud rate of the serial port is 921600. However, my wireless sensor supports up to 115,200 baud rates. I hope to recieve data by the serial port which can be changed to 115200 baud rate. May I ask how to modify the code in CCS to reduce the baud rate to satisfy the baud rate supported by my wireless sensor (921600→115200) ?

I have tried to modify it in this way below, but after firing the program and sending the command, the radar startup light was not on, and no data came out. May I ask how should I do? Thank you very much !
(before the change )
/* Initialize the DEMO configuration: */
gMmwMCB.cfg.sysClockFrequency = (200 * 1000000);
gMmwMCB.cfg.loggingBaudRate = 921600;
gMmwMCB.cfg.commandBaudRate = 115200;
(after the change )
/* Initialize the DEMO configuration: */
gMmwMCB.cfg.sysClockFrequency = (200 * 1000000);
gMmwMCB.cfg.loggingBaudRate = 115200
gMmwMCB.cfg.commandBaudRate = 115200;