BlueNRG GATT Characteristic Limitation

Posted on October 01, 2015 at 11:52

Hi there,

i am running the BlueNRG with multiple services, such as a proximity service, a performance test service and an application service.

The proximity service has 2 characteristics,

the PerformanceTestService 3 and the AplicationService 13, where

the last characteristic (message) is of type string with a variable size.

The ApplicationService once run alone with the maximum string size.

After adding another service, the BlueNRG responded with BLE_OUT_OF_MEMORY.

I fixed this by reducing the maximum char value size of my ApplicationService's message characteristic to 128, but soon after adding the next service, the problem appeared again.

I would like to know:

Is there a GATT limitation on the board or a maximum GATT stacksize ?

I have read the documentation, however I may have overread it.

Thank you for your answers :)

#bluenrg-ble-gatt