ble_app_multilink_central problem

[Miles]

Hi! I used the develop board test the application "ble_app_multilink_central" and "ble_app_multilink_peripheral",but it is always connected failed,and disconnect Reason 0x0008.

How can I do  to  resolved this  issue?

The usart log:

: .rlFFi[DM]: Request to allocation connection instance

[DM]:[00]: Connection Instance Allocated.

[DM]: Searching for device 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]:[DI 0x00]: Device type 0x01.

[DM]: Device Addr 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]: Found device at[DB]: Discovery of service with UUID 0x9001 completed with success for Connectionhandle 0

[DM]: >> dm_security_setup_req

[DM]: << dm_security_setup_req, 0x00000000

[DM]: Request to allocation connection instance

[DM]:[01]: Connection Instance Allocated.

[DM]: Searching for device 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]:[DI 0x00]: Device type 0x01.

[DM]: Device Addr 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]: Found device at[DB]: Discovery of service with UUID 0x9001 completed with success for Connectionhandle 1

[DM]: >> dm_security_setup_req

[DM]: << dm_security_setup_req, 0x00000000

[DM]: Disconnect Reason 0x0008

[DM]: Notifying application of event 0x12

[APPL]:[0x00] >> DM_EVT_DISCONNECTION

[APPL]:[0x00] << DM_EVT_DISCONNECTION

[DM]:[CI 0x00]: Freeing connection instance

[DM]:[00]: Freed connection instance.

[DM]: Initializing C[DM]: Request to allocation connection instance

[DM]:[00]: Connection Instance Allocated.

[DM]: Searching for device 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]:[DI 0x00]: Device type 0x01.

[DM]: Device Addr 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]: Found device at[DB]: Discovery of service with UUID 0x9001 completed with success for Connectionhandle 0

[DM]: >> dm_security_setup_req

[DM]: << dm_security_setup_req, 0x00000000

[DM]: Disconnect Reason 0x0008

[DM]: Notifying application of event 0x12

[APPL]:[0x01] >> DM_EVT_DISCONNECTION

[APPL]:[0x01] << DM_EVT_DISCONNECTION

[DM]:[CI 0x01]: Freeing connection instance

[DM]:[01]: Freed connection instance.

[DM]: Initializing C[DM]: Request to allocation connection instance

[DM]:[01]: Connection Instance Allocated.

[DM]: Searching for device 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

[DM]:[DI 0x00]: Device type 0x01.

[DM]: Device Addr 0x65 0x31 0xCB 0x0B 0xCC 0xF9.

. . .

[Ole Bauck]

Which development kit and which SDK are you using? Disconnect reason 0x08 means BLE_HCI_CONNECTION_TIMEOUT, which in turn means that the supervision timeout have expired (no packets receive from the master). Most likely the central has been turned off, frozen or is out of range.