Enable connectable advertising and scan role simultaneously using nRF connect SDK

[Sridhar Jonnavittula]

Hi,

I am using NCS v1.3.0 for nRF9160. How to enable both scanner and advertiser roles simultaneously?

Currently even I enable both, HCI LE set random address failing with command disallowed error.

[Martin Lesund]

Hi,

Please take a look at the sample ncs\zephyr\samples\bluetooth\scan_adv and use that as reference.

[Sridhar Jonnavittula]

I have loaded hci_uart into nrf9160dk_nrf52840.

I have added below in ncs\zephyr\samples\bluetooth\scan_adv 

1. child_secure_partition_manager.conf

CONFIG_SPM_NRF_UARTE2_NS=y

2. nrf9160dk_nrf9160ns.overlay

/ {
	chosen {
		zephyr,bt-uart=&uart2;
	};
};

&uart2 {
	compatible = "nordic,nrf-uarte";
	current-speed = <1000000>;
	status = "okay";
	tx-pin = <18>;
	rx-pin = <17>;
	rts-pin = <21>;
	cts-pin = <19>;
};

I have modified prj.conf as

CONFIG_BT=y
CONFIG_BT_BROADCASTER=y
CONFIG_BT_OBSERVER=y
CONFIG_BT_DEBUG_LOG=y
CONFIG_BT_H4=y
CONFIG_BT_WAIT_NOP=y
CONFIG_BT_CENTRAL=y
CONFIG_BT_GATT_CLIENT=y
CONFIG_BT_GATT_DM=y
CONFIG_BT_SCAN=y
CONFIG_BT_SCAN_FILTER_ENABLE=y
CONFIG_BT_SCAN_UUID_CNT=2

CONFIG_UART_2_NRF_FLOW_CONTROL=y
CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_BT_SMP=y


# Enable the BLE modules from NCS
CONFIG_BT_GATT_NUS_C=y
CONFIG_BT_MAX_CONN=10
CONFIG_BT_MAX_PAIRED=2
CONFIG_BT_ID_MAX=2
CONFIG_BT_PERIPHERAL=y

In main.c I replaced BT_LE_ADV_NCONN with BT_LE_ADV_CONN and I observed following prints in LTE link monitor

Advertising failed to start (err -5)

bt_hci_core: opcode 0x0000 pool id 6 pool 0x200205ec != &hci_cmd_pool 0x200205c4

bt_hci_core: ECC HCI commands not available

bt_hci_core: Identity: d8:56:51:0d:97:1b (random)

bt_hci_core: HCI: version 5.2 (0x0b) revision 0x0000, manufacturer 0x05f1

bt_hci_core: LMP: version 5.2 (0x0b) subver 0xffff

bt_hci_core: opcode 0x2005 status 0x0c

Please tell me what I am doing wrong.

[Martin Lesund]

Hi,

You can make the "peripheral_uart" work on the nRF9160DK (nrf9160dk_nrf9160ns) and the "hci_uart" on the nrf52840 (nrf9160dk_nrf52840) in NCS v1.3.0:

You change the following in ncs/v1.3.0/nrf/samples/bluetooth/peripheral_uart:

• Add the following in prj.conf:

CONFIG_BT_H4=y
CONFIG_BT_WAIT_NOP=y
CONFIG_MAIN_STACK_SIZE=8192

• Add the following in CMakeLists.txt (under the line "cmake_minimum_required(VERSION 3.8.2))

set(spm_CONF_FILE
    prj.conf
    ${CMAKE_CURRENT_LIST_DIR}/child_secure_partition_manager.conf
)

From lte_ble_gateway

• Add ncs\v1.3.0\nrf\samples\nrf9160\lte_ble_gateway\child_secure_partition_manager.conf to ncs\v1.3.0\nrf\samples\bluetooth\peripheral_uart
• Add ncs\v1.3.0\nrf\samples\nrf9160\lte_ble_gateway\nrf9160dk_nrf9160ns.overlay to ncs\v1.3.0\nrf\samples\bluetooth\peripheral_uart

note that hci_uart should just be programmed to the nrf9160_nrf52840 as is. (no modification needed)

[Sridhar Jonnavittula]

Ok. Is it satisfy both scan and connectable advertising at a time?

[Martin Lesund]

Yes, it should.