Problem triggering BLE_NUS_EVT_COMM_STOPPED

[Brunelli]

Hi,

I'm doing a project of a bluetooth sensor, using pca10040 with softdevice v5.1.0 s132 that sends data to one or more android applications simultaneously, in this project the sensor works as peripheral and the applications as central.

There is a problem in the project when I stop receiving data from an application, the BLE_NUSS_EVT_COMM_STOPPED event fires, causing it to stop sending the data to the other applications.

This event happened on file ble_nus.c line 103:

 

Shouldn´t this event be specific to each conn_handle? Why does this event influence other communications? How can i fix it? 

[Einar Thorsrud]

Hi,

This is properly handled in the NUS implementation in the latest SDK (currently 15.2), where the BLE Link Context Manager is used to handle each link separately. Please refer to that. For instance, three you can see that blcm_link_ctx_get() is called in the beginning of the on_write() function in ble_nus.c, and this link specific context is used.

[goldwake]

for what it's worth, Ive added code that generates BLE_NUS_EVT_COMM_STOPPED on disconnect too