samples: Bluetooth: df_tx: Add config for support the nRF52820

Add required configuration and DTS overlay for support the nRF52820 SOC.

Signed-off-by: Piotr Pryga <[email protected]>

Author: ppryga-nordic

samples/bluetooth/direction_finding_connectionless_tx/README.rst

@@ -14,6 +14,7 @@ Requirements
 ************
 
 * nRF52833DK board with nRF52833 SOC
+* nRF52833DK board with nRF52820 SOC
 * antenna matrix for AoD (optional)
 
 Building and Running

samples/bluetooth/direction_finding_connectionless_tx/boards/nrf52833dk_nrf52820.conf

@@ -0,0 +1,10 @@
+CONFIG_BT_CTLR=y
+CONFIG_BT_LL_SW_SPLIT=y
+
+CONFIG_BT_CTLR_ADV_EXT=y
+CONFIG_BT_CTLR_ADV_PERIODIC=y
+
+# Enable Direction Finding TX Feature including AoA and AoD
+CONFIG_BT_CTLR_DF=y
+CONFIG_BT_CTLR_DF_ANT_SWITCH_RX=n
+CONFIG_BT_CTLR_DF_SCAN_CTE_RX=n

samples/bluetooth/direction_finding_connectionless_tx/boards/nrf52833dk_nrf52820.overlay

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&radio {
+	status = "okay";
+	/* This is an example number of antennas that may be available
+	 * on antenna matrix board.
+	 */
+	dfe-antenna-num = <10>;
+	/* This is an example switch pattern that will be used to set an
+	 * antenna for Tx PDU (period before start of Tx CTE).
+	 */
+	dfe-pdu-antenna = <0x1>;
+
+	/* These are example GPIO pin numbers that are provided to
+	 * Radio peripheral. The pins will be acquired by Radio to
+	 * drive antenna switching when AoD is enabled.
+	 */
+	dfegpio0-gpios = <&gpio0 1 0>;
+	dfegpio1-gpios = <&gpio0 2 0>;
+	dfegpio2-gpios = <&gpio0 3 0>;
+	dfegpio3-gpios = <&gpio0 4 0>;
+};

samples/bluetooth/direction_finding_connectionless_tx/boards/nrf52833dk_nrf52833.overlay

@@ -9,7 +9,7 @@
 	/* This is an example number of antennas that may be available
 	 * on antenna matrix board.
 	 */
-	dfe-antenna-num = < 10 >;
+	dfe-antenna-num = <10>;
 	/* This is an example switch pattern that will be used to set an
 	 * antenna for Tx PDU (period before start of Tx CTE).
 	 */

samples/bluetooth/direction_finding_connectionless_tx/prj.conf

@@ -1,14 +1,8 @@
 CONFIG_BT=y
-CONFIG_BT_CTLR=y
-CONFIG_BT_LL_SW_SPLIT=y
 CONFIG_BT_DEVICE_NAME="DF Connectionless Beacon App"
 
 CONFIG_BT_EXT_ADV=y
 CONFIG_BT_PER_ADV=y
-CONFIG_BT_CTLR_ADV_EXT=y
-CONFIG_BT_CTLR_ADV_PERIODIC=y
 
 # Enable Direction Finding Feature including AoA and AoD
 CONFIG_BT_DF=y
-CONFIG_BT_CTLR_DF=y
-CONFIG_BT_CTLR_DF_ADV_CTE_TX=y