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CC2650: MultiRol notification control

Part Number: CC2650


hello, I'm doing a project with 3 devices and i wanna some answers or advices:

- Launchpad (Central)

- Launchpad (MultiRol)

- Sensortag

My summary of the project is the central connect with a MultiRol and MultiRol search one SensorTag to enable MPU9250 and recive 15 notification, when he recive one, resend to central with a profile with Notification. when SensorTag send 15 notification disconnect the session and wait in idle mode some time and later star advertising.

That works fine and recive all in central, but the problem is my next step of project. Now i want the central search too another SensorTag. Central find and read like MultiRol, but when two devices send notify at same time i lost some packets and sometimes when SensorTag disconnect from central, the central freeze.

In assembly debug it just goes between those:

i wanna know why happen this and if i can solve this. My final objetive is fix this error and add to MultiRol the feature of connect to another MultiRol and made some kind of mesh who can read any number of SensorTag in no real-time

Thanks.