Our project uses nRF52832, and the bluetooth connection has two modes as follows:
one is low-power standby mode connection interval=1000ms;
One is data transmission mode, connection interval=7.5ms;
We call sd_ble_gap_conn_param_update to set up the connection interval on the peripheral side, and we find that sd_ble_gap_conn_param_update is often incorrectly return as "NRF_ERROR_BUSY", and the retry setup also fails. Below is the setup source code, please help how to handle NRF_ERROR_BUSY to ensure that we can setup the connection interval successful, to enter the desired pattern every time. thank you!