MKW30Z SoC BLE connection issue

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MKW30Z SoC BLE connection issue

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PavelM
NXP Employee
NXP Employee

danielkresta

I have an issue with a software for an RGB White led lamp based on MKW30Z SoC

controlled via Bluetooth BLE and a button.



I updated the code to github repo:

https://github.com/firanl/BLE_Lamp

 

Project branches from bluetooth_otap_client_att on IAR 7.5;  bare metal rtos

The board schematics is attached.

 

The problems are that I cannot use the button (not triggering), the leds does not flash.

I can see the advertising data on Andoid or IPhone but I cannot connect  (connection callback not triggered)

 

What can be the cause of this and how can I fix it ?

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danielkresta
NXP Employee
NXP Employee

Hello Pavel,
we looked on this issue and found out that according to the schematic a touch capacitive pad is used, but the button in the code is used as a mechanical switch on the GPIO. For the touch sensor a TSI peripheral would have to be used on the same pin on channel 15 (TSI0_CH15).
What is the button/touch sensor supposed to be controlling, the BLE Advertising or LED switching?

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