samples: Bluetooth: Mesh: remove nrf51 support

nrf51 has been discontinued. There is no reason to support
ble mesh as well as new mesh features and fitting of samples
for nrf51 DK platforms. As alternative support of nrf52840
has been added if there wasn't before.

Signed-off-by: Aleksandr Khromykh <[email protected]>

Author: alxelax

samples/bluetooth/mesh/CMakeLists.txt

@@ -3,10 +3,6 @@
 cmake_minimum_required(VERSION 3.20.0)
 set(QEMU_EXTRA_FLAGS -s)
 
-if((BOARD STREQUAL nrf51_blenano) OR (BOARD STREQUAL nrf51_ble400))
-  set(CONF_FILE nrf51_qfaa.conf)
-endif()
-
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(mesh)
 

samples/bluetooth/mesh/nrf51_qfaa.conf

@@ -3,7 +3,7 @@ sample:
 tests:
   sample.bluetooth.mesh:
     harness: bluetooth
-    platform_allow: bbc_microbit nrf51_blenano qemu_x86
+    platform_allow: bbc_microbit qemu_x86 nrf52840dk_nrf52840
     integration_platforms:
       - qemu_x86
     tags: bluetooth

samples/bluetooth/mesh/sample.yaml

@@ -21,12 +21,13 @@ CONFIG_BT_MESH=y
 CONFIG_BT_MESH_RELAY=y
 CONFIG_BT_MESH_SEG_BUFS=6
 CONFIG_BT_MESH_SUBNET_COUNT=1
-CONFIG_BT_MESH_APP_KEY_COUNT=2
+CONFIG_BT_MESH_APP_KEY_COUNT=1
 CONFIG_BT_MESH_MODEL_GROUP_COUNT=2
 CONFIG_BT_MESH_ADV_BUF_COUNT=3
 CONFIG_BT_MESH_LOOPBACK_BUFS=8
 CONFIG_BT_MESH_PB_ADV=n
 CONFIG_BT_MESH_RELAY_BUF_COUNT=2
+CONFIG_BT_MESH_MSG_CACHE_SIZE=2
 CONFIG_BT_MESH_CFG_CLI=y
 CONFIG_BT_MESH_BEACON_ENABLED=n
 

samples/bluetooth/mesh_demo/prj_bbc_microbit.conf

@@ -3,7 +3,7 @@ sample:
 tests:
   sample.bluetooth.mesh_demo:
     harness: bluetooth
-    platform_allow: bbc_microbit nrf51_blenano qemu_x86
+    platform_allow: bbc_microbit qemu_x86 nrf52840dk_nrf52840
     integration_platforms:
       - qemu_x86
       - bbc_microbit

samples/bluetooth/mesh_demo/prj_nrf51_blenano.conf

@@ -3,7 +3,7 @@ sample:
 tests:
   sample.bluetooth.mesh_provisioner:
     harness: bluetooth
-    platform_allow: qemu_cortex_m3 qemu_x86 nrf51dk_nrf51422 nrf52dk_nrf52832
+    platform_allow: qemu_cortex_m3 qemu_x86 nrf52840dk_nrf52840
     integration_platforms:
       - qemu_cortex_m3
     tags: bluetooth