LPSTK-CC1352R: Hall effect sensor not activated

Heping Ding

In the code (multi_sensor) that comes with the device, the Hall effect sensor (DRV5032FBDBZ) is not activated at all. That means that 1) its output is not read in by the ADC input port it is connected to, and 2) no data from this sensor is handled in the rest of the code. Furthermore, the iOS app Simple Link Starter does not reserve a position to display data from the Hall effect sensor.

How can I activate the Hall effect sensor throughout the system?

My purpose is to create a few channel for analog signals to be read in at ADC ports of the LPSTK-CC1352R and displayed on my Apple phone.

over 3 years ago

+1 Arthur R☑️ over 3 years ago

TI__Mastermind 27937 points

Hi Heping,

You can enable the Hall effect sensor by uncommenting lines 271 353 and in sensor_common.c.

You will not be able to see the value using the Simple Starter App, but you can enable and get the readings using the BTool app, located in the SDK: https://dev.ti.com/tirex/explore/content/simplelink_academy_cc13xx_cc26xxsdk_6_40_00_00/modules/ble5stack/ble_01_basic/ble_01_basic.html#task-2-ndash-connect-and-navigate-exposed-services

In order to do so using BTool, follow that procedure:

Click "Scan". Wait until it is done.
In "Slave BDA", locate your LPSTK's address and click on it. Then click on "Establish".
On the left side of the window, under "Connection Info", right click "Handle: XXXX" and click on "Discover UUIDs". Wait until it completes.
Now, right click "Handle:" again, and click "Read Values". Wait until it completes.
Now look for the above data on the table, and modify it as follows:

This will enable the readings, and notifications. You will get the sensor data in 0x007B.

Regards,

Arthur

+1 Heping Ding over 3 years ago in reply to Arthur R☑️

Prodigy 60 points

Thank you very much, Arthur! I will explore and also pass on teh information to my coworkers.

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LPSTK-CC1352R: Hall effect sensor not activated