feat(coap): Add COAP enable macro to make coap not build if application not use coap module

Author: ESP-YJM

components/coap/CMakeLists.txt

@@ -1,37 +1,41 @@
-set(include_dirs port/include port/include/coap libcoap/include libcoap/include/coap2)
+if(CONFIG_ENABLE_COAP)
+    set(include_dirs port/include port/include/coap libcoap/include libcoap/include/coap2)
 
-set(srcs 
-    "libcoap/src/address.c"
-    "libcoap/src/async.c"
-    "libcoap/src/block.c"
-    "libcoap/src/coap_event.c"
-    "libcoap/src/coap_hashkey.c"
-    "libcoap/src/coap_session.c"
-    "libcoap/src/coap_time.c"
-    "libcoap/src/coap_debug.c"
-    "libcoap/src/encode.c"
-    "libcoap/src/mem.c"
-    "libcoap/src/net.c"
-    "libcoap/src/option.c"
-    "libcoap/src/pdu.c"
-    "libcoap/src/resource.c"
-    "libcoap/src/str.c"
-    "libcoap/src/subscribe.c"
-    "libcoap/src/uri.c"
-    "libcoap/src/coap_notls.c"
-    "port/coap_io.c")
+    set(srcs
+        "libcoap/src/address.c"
+        "libcoap/src/async.c"
+        "libcoap/src/block.c"
+        "libcoap/src/coap_event.c"
+        "libcoap/src/coap_hashkey.c"
+        "libcoap/src/coap_session.c"
+        "libcoap/src/coap_time.c"
+        "libcoap/src/coap_debug.c"
+        "libcoap/src/encode.c"
+        "libcoap/src/mem.c"
+        "libcoap/src/net.c"
+        "libcoap/src/option.c"
+        "libcoap/src/pdu.c"
+        "libcoap/src/resource.c"
+        "libcoap/src/str.c"
+        "libcoap/src/subscribe.c"
+        "libcoap/src/uri.c"
+        "libcoap/src/coap_notls.c"
+        "port/coap_io.c")
 
-set(COMPONENT_REQUIRES lwip)
+    set(COMPONENT_REQUIRES lwip)
 
-idf_component_register(SRCS "${srcs}"
+    idf_component_register(SRCS "${srcs}"
                     INCLUDE_DIRS "${include_dirs}"
                     REQUIRES lwip)
 
-# Silence format truncation warning, until it is fixed upstream
-set_source_files_properties(libcoap/src/coap_debug.c PROPERTIES COMPILE_FLAGS -Wno-format-truncation)
+    # Silence format truncation warning, until it is fixed upstream
+    set_source_files_properties(libcoap/src/coap_debug.c PROPERTIES COMPILE_FLAGS -Wno-format-truncation)
 
-# Needed for coap headers in public builds, also.
-#
-# TODO: find a way to move this to a port header
-target_compile_definitions(${COMPONENT_LIB} PUBLIC WITH_POSIX)
+    # Needed for coap headers in public builds, also.
+    #
+    # TODO: find a way to move this to a port header
+    target_compile_definitions(${COMPONENT_LIB} PUBLIC WITH_POSIX)
+else()
+    register_component()
+endif()
 

components/coap/Kconfig

@@ -0,0 +1,10 @@
+menu "COAP"
+
+config ENABLE_COAP
+    bool "Enable coap"
+    default n
+    select LWIP_IPV6
+    help
+        Enable this option and coap is to be used, IPv6 is to be Enable.
+endmenu
+

components/coap/component.mk

@@ -2,6 +2,7 @@
 # Component Makefile
 #
 
+ifdef CONFIG_ENABLE_COAP
 COMPONENT_ADD_INCLUDEDIRS := port/include port/include/coap libcoap/include libcoap/include/coap2
 
 COMPONENT_OBJS = libcoap/src/address.o libcoap/src/async.o libcoap/src/block.o libcoap/src/coap_event.o libcoap/src/coap_hashkey.o libcoap/src/coap_session.o libcoap/src/coap_time.o libcoap/src/coap_debug.o libcoap/src/encode.o libcoap/src/mem.o libcoap/src/net.o libcoap/src/option.o libcoap/src/pdu.o libcoap/src/resource.o libcoap/src/str.o libcoap/src/subscribe.o libcoap/src/uri.o libcoap/src/coap_notls.o port/coap_io.o
@@ -12,3 +13,4 @@ COMPONENT_SUBMODULES += libcoap
 
 # Silence format truncation warning, until it is fixed upstream
 libcoap/src/coap_debug.o: CFLAGS += -Wno-format-truncation
+endif

examples/protocols/coap_client/main/coap_client_example_main.c

@@ -18,7 +18,7 @@
 #include "esp_log.h"
 #include "esp_wifi.h"
 #include "esp_event.h"
-
+#include "esp_netif.h"
 #include "nvs_flash.h"
 
 #include "protocol_examples_common.h"
@@ -282,7 +282,7 @@ static void coap_example_task(void *p)
 void app_main(void)
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    tcpip_adapter_init();
+    ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());
 
     /* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.

examples/protocols/coap_client/sdkconfig.defaults

@@ -0,0 +1 @@
+CONFIG_ENABLE_COAP=y

examples/protocols/coap_server/main/coap_server_example_main.c

@@ -17,7 +17,7 @@
 #include "esp_log.h"
 #include "esp_wifi.h"
 #include "esp_event.h"
-
+#include "esp_netif.h"
 #include "nvs_flash.h"
 
 #include "protocol_examples_common.h"
@@ -162,7 +162,7 @@ static void coap_example_thread(void *p)
 void app_main(void)
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    tcpip_adapter_init();
+    ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());
 
     /* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.

examples/protocols/coap_server/sdkconfig.defaults

@@ -0,0 +1 @@
+CONFIG_ENABLE_COAP=y