Add Pico W examples

pico_w/tcp_server/CMakeLists.txt

@@ -0,0 +1,34 @@
+add_executable(picow_tcpip_server_background
+        picow_tcp_server.c
+        )
+target_compile_definitions(picow_tcpip_server_background PRIVATE
+        WIFI_SSID=\"${WIFI_SSID}\"
+        WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
+        )
+target_include_directories(picow_tcpip_server_background PRIVATE
+        ${CMAKE_CURRENT_LIST_DIR}
+        ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts
+        )
+target_link_libraries(picow_tcpip_server_background
+        pico_cyw43_arch_lwip_threadsafe_background
+        pico_stdlib
+        )
+
+pico_add_extra_outputs(picow_tcpip_server_background)
+
+add_executable(picow_tcpip_server_poll
+        picow_tcp_server.c
+        )
+target_compile_definitions(picow_tcpip_server_poll PRIVATE
+        WIFI_SSID=\"${WIFI_SSID}\"
+        WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
+        )
+target_include_directories(picow_tcpip_server_poll PRIVATE
+        ${CMAKE_CURRENT_LIST_DIR}
+        ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts
+        )
+target_link_libraries(picow_tcpip_server_poll
+        pico_cyw43_arch_lwip_poll
+        pico_stdlib
+        )
+pico_add_extra_outputs(picow_tcpip_server_poll)