add coap wifi support

Signed-off-by: Justin Morton <[email protected]>

samples/cellular/nrf_cloud_multi_service/CMakeLists.txt

@@ -10,8 +10,9 @@ find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(nrf_cloud_multi_service)
 zephyr_compile_definitions(PROJECT_NAME=${PROJECT_NAME})
 
-# Include certs files if enabled.
-zephyr_include_directories_ifdef(CONFIG_NRF_CLOUD_PROVISION_CERTIFICATES certs)
+if(CONFIG_NRF_CLOUD_COAP_WIFI_ADD_CREDS_FROM_FILE OR CONFIG_NRF_CLOUD_PROVISION_CERTIFICATES)
+	zephyr_include_directories(certs)
+endif()
 
 # NORDIC SDK APP START
 target_sources(app PRIVATE src/main.c)

samples/cellular/nrf_cloud_multi_service/overlay_nrf7002ek_wifi_coap_no_lte.conf

@@ -0,0 +1,222 @@
+#
+# Copyright (c) 2023 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+# Note that this overlay is not compatible with nrf91 Series! Use something such as the nrf5340 as
+# the host microcontroller.
+
+## Disable Modem/LTE/nrf91-specific features
+CONFIG_NRF_MODEM_LIB=n
+CONFIG_MODEM_INFO=n
+CONFIG_MODEM_INFO_ADD_NETWORK=n
+CONFIG_AT_HOST_LIBRARY=n
+CONFIG_LTE_LINK_CONTROL=n
+CONFIG_LTE_PSM_REQ=n
+
+## Disable offloaded sockets (we are going to switch to the native networking stack)
+CONFIG_NET_SOCKETS_OFFLOAD=n
+
+## Disable cloud features reliant on or specific to nrf91 modem features
+CONFIG_NRF_CLOUD_AGNSS=n
+CONFIG_NRF_CLOUD_PGPS=n
+CONFIG_NRF_CLOUD_PGPS_REQUEST_UPON_INIT=n
+CONFIG_LOCATION_METHOD_GNSS=n
+CONFIG_LOCATION_METHOD_CELLULAR=n
+
+## Disable FOTA to conserve memory
+CONFIG_NRF_CLOUD_FOTA=n
+CONFIG_BOOTLOADER_MCUBOOT=n
+CONFIG_IMG_MANAGER=n
+CONFIG_MCUBOOT_IMG_MANAGER=n
+
+## Disable LTE-event-driven date_time updates (the date_time library will still periodically
+## refresh its timestamp, this setting only controls whether LTE-event-driven date_time updates
+## are enabled)
+CONFIG_DATE_TIME_AUTO_UPDATE=n
+CONFIG_DATE_TIME_MODEM=n
+CONFIG_DATE_TIME_NTP=y
+CONFIG_DATE_TIME_LOG_LEVEL_DBG=y
+
+## Disable LED patterns since enabling WiFi shield takes control of two LEDs
+CONFIG_LED_INDICATION_DISABLED=y
+
+## Disable LTE conn_mgr bindings
+CONFIG_NRF_MODEM_LIB_NET_IF=n
+
+## These had to be disabled for LTE with conn_mgr, but there is no reason to disable them for
+## wifi with conn_mgr, so re-enable them.
+CONFIG_DNS_RESOLVER=y
+
+## Enable Wi-Fi drivers, (and the native NET stack so that the location library can access them)
+CONFIG_WIFI=y
+CONFIG_WIFI_NRF700X=y
+CONFIG_WIFI_NRF700X_SKIP_LOCAL_ADMIN_MAC=y
+
+## Enable Wi-Fi conn_mgr bindings
+CONFIG_L2_WIFI_CONNECTIVITY=y
+CONFIG_NET_CONNECTION_MANAGER_MONITOR_STACK_SIZE=8192
+
+## Enable WIFI_MGMT_EXT and WIFI_CREDENTIALS for simplified Wi-Fi connection setup
+CONFIG_WIFI_CREDENTIALS=y
+CONFIG_WIFI_MGMT_EXT=y
+
+## Use compile-time client ID for nRF Cloud
+CONFIG_NRF_CLOUD_CLIENT_ID_SRC_COMPILE_TIME=y
+
+## Enable flash and NVS settings, required by WIFI_CREDENTIALS
+CONFIG_SETTINGS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_NVS=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y
+
+## Enable Wi-Fi networking and native networking stack
+CONFIG_WPA_SUPP=y
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_NATIVE=y
+CONFIG_NRF_SECURITY=y
+CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
+CONFIG_NET_CONTEXT_SNDTIMEO=y
+CONFIG_NET_TCP=y
+CONFIG_NET_TCP_WORKQ_STACK_SIZE=4096
+CONFIG_NET_DHCPV4=y
+
+## Configure native MBEDTLS to support nRF Cloud MQTT
+#CONFIG_MQTT_LIB_TLS=y
+CONFIG_MBEDTLS=y
+CONFIG_MBEDTLS_ENABLE_HEAP=y
+CONFIG_MBEDTLS_RSA_C=y
+CONFIG_MBEDTLS_SSL_SERVER_NAME_INDICATION=y
+CONFIG_MBEDTLS_HEAP_SIZE=120000
+
+## Enable Wi-Fi location tracking
+CONFIG_LOCATION_TRACKING_WIFI=y
+CONFIG_LOCATION_METHOD_WIFI=y
+# Align this with CONFIG_LOCATION_METHOD_WIFI_SCANNING_RESULTS_MAX_CNT.
+# Also see comments for CONFIG_HEAP_MEM_POOL_SIZE.
+# We set this to 30 in this overlay so that
+# CONFIG_HEAP_MEM_POOL_SIZE can be small enough to leave at least 24kB of unused RAM in the final
+# build, which is required by WPA_supp
+CONFIG_NRF_WIFI_SCAN_MAX_BSS_CNT=30
+CONFIG_LOCATION_METHOD_WIFI_SCANNING_RESULTS_MAX_CNT=30
+
+## Enable shell and WIFI_CREDENTIALS shell
+CONFIG_SHELL=y
+CONFIG_WIFI_CREDENTIALS_SHELL=y
+# Increased stack size needed for wifi_cred auto_connect command
+CONFIG_SHELL_STACK_SIZE=4096
+
+## Resource allocation tweaks needed to support Wi-Fi.
+CONFIG_MAIN_STACK_SIZE=8192
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=8192
+CONFIG_NET_MGMT_EVENT_STACK_SIZE=8192
+CONFIG_NRF_CLOUD_CONNECTION_POLL_THREAD_STACK_SIZE=8192
+CONFIG_APPLICATION_THREAD_STACK_SIZE=8192
+CONFIG_MESSAGE_THREAD_STACK_SIZE=3072
+CONFIG_DATE_TIME_THREAD_STACK_SIZE=2048
+CONFIG_NET_TX_STACK_SIZE=4096
+CONFIG_NET_RX_STACK_SIZE=4096
+CONFIG_POSIX_MAX_FDS=16
+CONFIG_NET_SOCKETS_POLL_MAX=8
+# Heap allocation should be changed when CONFIG_LOCATION_METHOD_WIFI_SCANNING_RESULTS_MAX_CNT
+# and CONFIG_NRF_WIFI_SCAN_MAX_BSS_CNT (which should be the same value) are changed. With the limit at 30,
+# this could be set as low as 130000. Add 256 bytes for each additional scanning result, assuming
+# sane SSID lengths. We set the heap much higher in case of long SSIDs.
+CONFIG_HEAP_MEM_POOL_SIZE=130000
+
+# Disable PICOLIBC since hostap currently is not compatible with it
+CONFIG_NEWLIB_LIBC=y
+CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
+CONFIG_PICOLIBC=n
+
+
+# ---------- COAP STUFF -----------------#
+# nRF Cloud
+CONFIG_NRF_CLOUD_MQTT=n
+CONFIG_NRF_CLOUD_COAP=y
+CONFIG_NRF_CLOUD_ALERT=y
+CONFIG_NRF_CLOUD_FOTA=n
+CONFIG_NRF_CLOUD_LOCATION=n
+
+# General config
+CONFIG_FPU=y
+CONFIG_NEWLIB_LIBC_NANO=n
+
+# Rate of cloud interactions
+# These are faster than one normally would use in a low power device.
+# This is strictly for demo purposes.
+CONFIG_SENSOR_SAMPLE_INTERVAL_SECONDS=120
+CONFIG_LOCATION_TRACKING_SAMPLE_INTERVAL_SECONDS=360
+
+# Logs
+CONFIG_LOG=y
+CONFIG_NET_LOG=y
+CONFIG_LOG_PRINTK=y
+CONFIG_COAP_LOG_LEVEL_INF=y
+CONFIG_LOCATION_LOG_LEVEL_INF=y
+CONFIG_MULTI_SERVICE_LOG_LEVEL_INF=y
+
+# LTE link control - used by PGPS and main application
+CONFIG_LTE_LINK_CONTROL=n
+#CONFIG_NET_L2_VIRTUAL=y
+
+# Modem
+CONFIG_MODEM_KEY_MGMT=y
+CONFIG_MODEM_JWT=n
+CONFIG_MODEM_INFO_ADD_DEVICE=n
+CONFIG_MODEM_INFO_ADD_DATE_TIME=n
+CONFIG_MODEM_INFO_ADD_SIM=n
+CONFIG_MODEM_INFO_ADD_SIM_ICCID=n
+CONFIG_MODEM_INFO_ADD_SIM_IMSI=n
+
+# Network
+CONFIG_NET_SOCKETS_POSIX_NAMES=y
+CONFIG_NET_SOCKETS_TLS_SET_MAX_FRAGMENT_LENGTH=y
+CONFIG_NET_SOCKETS_OFFLOAD_PRIORITY=40
+
+# CoAP Client
+CONFIG_COAP_CLIENT_BLOCK_SIZE=1024
+CONFIG_COAP_CLIENT_STACK_SIZE=6144
+CONFIG_COAP_CLIENT_THREAD_PRIORITY=0
+CONFIG_COAP_EXTENDED_OPTIONS_LEN_VALUE=40
+
+# Location Services configuration
+CONFIG_LOCATION_DATA_DETAILS=n
+
+CONFIG_APPLICATION_THREAD_STACK_SIZE=8192
+CONFIG_TEMP_ALERT_LIMIT=24
+
+CONFIG_AT_MONITOR=n
+
+# -------- TESTING STUFF
+CONFIG_NRF_CLOUD_PROVISION_CERTIFICATES=n
+CONFIG_NRF_CLOUD_COAP_WIFI_ADD_CREDS_FROM_FILE=y
+
+CONFIG_NRF_JWT=y
+CONFIG_NRF_JWT_DER=y
+CONFIG_NRF_CLOUD_JWT_GEN_METHOD_DER=y
+
+CONFIG_NRF_CLOUD_CLIENT_ID_SRC_COMPILE_TIME=y
+CONFIG_NRF_CLOUD_CLIENT_ID="justin_53DK_wifi"
+
+CONFIG_CONNECTION_THREAD_STACK_SIZE=4096
+
+CONFIG_NRF_JWT_LOG_LEVEL_DBG=y
+CONFIG_NRF_CLOUD_LOG_LEVEL_DBG=y
+CONFIG_NRF_CLOUD_COAP_LOG_LEVEL_DBG=y
+
+CONFIG_MBEDTLS_DTLS=y
+CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID=y
+CONFIG_NET_SOCKETS_ENABLE_DTLS=y
+
+CONFIG_COAP_FOTA=n
+
+CONFIG_NET_MGMT_EVENT_QUEUE_SIZE=20
+
+# Disabling to prevent IPv6 error logs
+CONFIG_NET_IPV6=n
+#CONFIG_NET_IPV6_NBR_CACHE=y
+#CONFIG_NET_IPV6_MLD=y

samples/cellular/nrf_cloud_multi_service/src/cloud_connection.c

@@ -583,6 +583,13 @@ void cloud_connection_thread_fn(void)
 			(void)await_provisioning_idle(K_FOREVER);
 		}
 
+		/* TODO: Obtain time before connecting to the cloud,
+		 * otherwise NTP query will fail. */
+		if (IS_ENABLED(CONFIG_WIFI)) {
+			LOG_INF("Waiting to obtain date/time");
+			(void)await_date_time_known(K_FOREVER);
+		}
+
 		/* Attempt to connect to nRF Cloud. */
 		if (connect_cloud()) {
 			LOG_DBG("Awaiting disconnection from nRF Cloud");