tinyusb/examples/device/net_lwip_webserver/CMakeLists.txt

# use directory name for project id
get_filename_component(PROJECT ${CMAKE_CURRENT_SOURCE_DIR} NAME)
set(PROJECT ${BOARD}-${PROJECT})

# TOP is absolute path to root directory of TinyUSB git repo
set(TOP "../../..")
get_filename_component(TOP "${TOP}" REALPATH)

# Check for -DFAMILY=
if(FAMILY STREQUAL "rp2040")
  cmake_minimum_required(VERSION 3.12)
  
  include(${TOP}/hw/bsp/${FAMILY}/pico_sdk_import.cmake)
  project(${PROJECT})
  add_executable(${PROJECT})

  include(${TOP}/hw/bsp/${FAMILY}/family.cmake)

  # lwip Stack source
  set(SRC_LWIP
    ${TOP}/lib/lwip/src/core/altcp.c
    ${TOP}/lib/lwip/src/core/altcp_alloc.c
    ${TOP}/lib/lwip/src/core/altcp_tcp.c
    ${TOP}/lib/lwip/src/core/def.c
    ${TOP}/lib/lwip/src/core/dns.c
    ${TOP}/lib/lwip/src/core/inet_chksum.c
    ${TOP}/lib/lwip/src/core/init.c
    ${TOP}/lib/lwip/src/core/ip.c
    ${TOP}/lib/lwip/src/core/mem.c
    ${TOP}/lib/lwip/src/core/memp.c
    ${TOP}/lib/lwip/src/core/netif.c
    ${TOP}/lib/lwip/src/core/pbuf.c
    ${TOP}/lib/lwip/src/core/raw.c
    ${TOP}/lib/lwip/src/core/stats.c
    ${TOP}/lib/lwip/src/core/sys.c
    ${TOP}/lib/lwip/src/core/tcp.c
    ${TOP}/lib/lwip/src/core/tcp_in.c
    ${TOP}/lib/lwip/src/core/tcp_out.c
    ${TOP}/lib/lwip/src/core/timeouts.c
    ${TOP}/lib/lwip/src/core/udp.c
    ${TOP}/lib/lwip/src/core/ipv4/autoip.c
    ${TOP}/lib/lwip/src/core/ipv4/dhcp.c
    ${TOP}/lib/lwip/src/core/ipv4/etharp.c
    ${TOP}/lib/lwip/src/core/ipv4/icmp.c
    ${TOP}/lib/lwip/src/core/ipv4/igmp.c
    ${TOP}/lib/lwip/src/core/ipv4/ip4.c
    ${TOP}/lib/lwip/src/core/ipv4/ip4_addr.c
    ${TOP}/lib/lwip/src/core/ipv4/ip4_frag.c
    ${TOP}/lib/lwip/src/netif/ethernet.c
    ${TOP}/lib/lwip/src/netif/slipif.c
    ${TOP}/lib/lwip/src/apps/http/httpd.c
    ${TOP}/lib/lwip/src/apps/http/fs.c
    ${TOP}/lib/networking/dhserver.c
    ${TOP}/lib/networking/dnserver.c
    ${TOP}/lib/networking/rndis_reports.c
  )

  # Example source
  target_sources(${PROJECT} PUBLIC
    ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
    ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
    ${SRC_LWIP}
  )

  # Example include
  target_include_directories(${PROJECT} PUBLIC
    ${CMAKE_CURRENT_SOURCE_DIR}/src
    ${TOP}/lib/lwip/src/include
    ${TOP}/lib/lwip/src/include/ipv4
    ${TOP}/lib/lwip/src/include/lwip/apps
    ${TOP}/lib/networking
  )

  # Example defines
  target_compile_definitions(${PROJECT} PUBLIC
    CFG_TUSB_OS=OPT_OS_PICO
    PBUF_POOL_SIZE=2 
    TCP_WND=2*TCP_MSS
    HTTPD_USE_CUSTOM_FSDATA=0
  )

else()
  message(FATAL_ERROR "Invalid FAMILY specified: ${FAMILY}")
endif()