AWR1843BOOST: How to completely reset device ?

Lei

Expert 2050 points

Part Number: AWR1843BOOST
Other Parts Discussed in Thread: AWR1843,

I could not find a SW method to completely reboot the AWR1843 Boost except using HW method (turn off the power).

I have tried function SOC_softReset, but it seems this function only resets part of chipsets, and after the reset, the AWR1843Boost doesn't work normally.

How to completely reset/reboot the AWR1843 Boost over SW method?

Thanks

over 3 years ago

0 Jitendra Gupta over 3 years ago

TI__Guru 69960 points

Using software you can do the device warm reset.

It can be done via external mean or internal watchdog expire or register write to force warm reset

https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1031605/awr1843boost-warm-reset

Here is code snippet to cause warm reset to AWR1843 device (may work with other mmwave sensor variants as well).

/* topRCM->SOFTSYSRST */
uint32_t* regAddr = (uint32_t*)0xFFFFE11C;
/* Warm reset */
*regAddr = 0xAD;

Regards,

Jitendra

0 Lei over 3 years ago in reply to Jitendra Gupta

Expert 2050 points

Thanks. Can you please tell what is the difference between warm reset and soft reset?

+1 Jitendra Gupta over 3 years ago in reply to Lei

TI__Guru 69960 points

Soft reset only resets the R4F core however warm reset resets all the cores MSS, DSS and BSS. It is as equivalent to power cycle but not exactly power on reset.

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AWR1843BOOST: How to completely reset device ?