Reorganize the nrf52dk/coap-demo example to make it compatible with the new build system

examples/platform-specific/nrf52dk/coap-demo/Makefile

@@ -1,26 +0,0 @@
-CONTIKI=../../../..
-
-ifeq ($(MAKECMDGOALS),)
-$(error Please specify whether coap-client or coap-server should be built)
-endif
-
-ifneq ($(filter coap-client coap-client.flash, $(MAKECMDGOALS)),)
-ifeq ($(SERVER_IPV6_EP),)
-$(error Please define SERVER_IPV6_EP=<full-coap-IPv6-URI>)
-else
-CFLAGS += -DSERVER_IPV6_EP=\"$(SERVER_IPV6_EP)\"
-CFLAGS += -DDEVICE_NAME=\"nRF52_DK_CoAP_Client\"
-endif
-else
-CFLAGS += -DDEVICE_NAME=\"nRF52-DK-CoAP-Server\"
-endif
-
-# automatically build RESTful resources
-MODULES_REL += ./resources
-
-# REST Engine shall use Erbium CoAP implementation
-MODULES += os/net/app-layer/coap
-
-MAKE_ROUTING = MAKE_ROUTING_NULLROUTING
-
-include $(CONTIKI)/Makefile.include

examples/platform-specific/nrf52dk/coap-demo/coap-client/Makefile

@@ -0,0 +1,26 @@
+CONTIKI_PROJECT = coap-client
+CONTIKI=../../../../..
+
+PLATFORMS_ONLY = nrf52dk
+
+ifeq ($(SERVER_IPV6_EP),)
+$(warning Please define SERVER_IPV6_EP=<full-coap-IPv6-URI>)
+$(warning Using default SERVER_IPV6_EP=fd00::1)
+SERVER_IPV6_EP=fd00::1
+endif
+
+CFLAGS += -DDEVICE_NAME=\"nRF52_DK_CoAP_Client\"
+
+CFLAGS += -DCOAP_OBSERVE_CLIENT=1
+
+# automatically build RESTful resources
+MODULES_REL += ./resources
+
+# REST Engine shall use Erbium CoAP implementation
+MODULES += os/net/app-layer/coap
+
+MAKE_ROUTING = MAKE_ROUTING_NULLROUTING
+
+all: $(CONTIKI_PROJECT)
+
+include $(CONTIKI)/Makefile.include

examples/platform-specific/nrf52dk/coap-demo/coap-server/Makefile

@@ -0,0 +1,22 @@
+CONTIKI_PROJECT = coap-server
+CONTIKI=../../../../..
+
+PLATFORMS_ONLY = nrf52dk
+
+CFLAGS += -DDEVICE_NAME=\"nRF52-DK-CoAP-Server\"
+
+# automatically build RESTful resources
+REST_RESOURCES_DIR = ../resources
+REST_RESOURCES_FILES = $(notdir $(shell find $(REST_RESOURCES_DIR) -name '*.c' ! -name 'res-plugtest*'))
+
+PROJECTDIRS += $(REST_RESOURCES_DIR)
+PROJECT_SOURCEFILES += $(REST_RESOURCES_FILES)
+
+# REST Engine shall use Erbium CoAP implementation
+MODULES += os/net/app-layer/coap
+
+MAKE_ROUTING = MAKE_ROUTING_NONE
+
+all: $(CONTIKI_PROJECT)
+
+include $(CONTIKI)/Makefile.include

examples/platform-specific/nrf52dk/coap-demo/coap-server/Makefile.target

@@ -0,0 +1 @@
+TARGET = nrf52dk