LAUNCHXL-CC2650: Internal battery monitor sample code

Dale Kramer

Expert 2615 points

Part Number: LAUNCHXL-CC2650
Other Parts Discussed in Thread: CC2650

I am trying to find sample code to use the internal battery monitor to read the current supply voltage to the CC2650.

I have looked at the TRM chapter 18 and have got this far:

But I do not know what code to put in my Project Zero to:

1. Set BATUPD.STAT to 1

2. Read this 32bit register into a uint32_t variable in my program

I can not find any CCS sample code to do this.

I know it is very simple to do this with a couple of code lines but all this resister access is new to me.

Any help would be appreciated.

Dale

over 4 years ago

0 YiKai Chen over 4 years ago

Guru 735685 points

I suppose you use API AONBatMonBatteryVoltageGet to do battery level reading. Please refer to discussions in

0 Dale Kramer over 4 years ago in reply to YiKai Chen

Expert 2615 points

Thank-you YiKai!

Just for interest sake, what search terms did you use to find that link? (I searched an awful long time before I created the topic)

0 YiKai Chen over 4 years ago in reply to Dale Kramer

Guru 735685 points

I use “CC2650 AONBatMonBatteryVoltageGet“ to do search.

0 Dale Kramer over 4 years ago in reply to YiKai Chen

Expert 2615 points

LOL yes, but how could I have found out what I was looking for was called "AONBatMonBatteryVoltageGet", I hate making topics when I could have found it myself.

That function name does not even appear in the 2650 datasheet or TRM.

0 YiKai Chen over 4 years ago in reply to Dale Kramer

Guru 735685 points

It's based on my experiences in this E2E forum and that's why I am helping you here.

0 Dale Kramer over 4 years ago in reply to YiKai Chen

Expert 2615 points

OK thanks!

For those that follow in my footsteps, in my case I started with Project Zero, so I had to add an include after I found "aon_batmon.h" in my c:\ti directory.

Here is the remmed out search path and the include line to point to that file (I know there is a better way to do that but I don't know it ;) ):

//C:\ti\simplelink_cc13x0_sdk_4_10_01_01\source\ti\devices\cc13x0\driverlib\aon_batmon.h

#include "C:/ti/simplelink_cc13x0_sdk_4_10_01_01/source/ti/devices/cc13x0/driverlib/aon_batmon.h"

0 YiKai Chen over 4 years ago in reply to Dale Kramer

Guru 735685 points

You can use "#include <driverlib/aon_batmon.h>".

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LAUNCHXL-CC2650: Internal battery monitor sample code