CMakeLists.txt

# == DO NOT EDIT THE FOLLOWING LINES for the Raspberry Pi Pico VS Code Extension to work ==
if(WIN32)
    set(USERHOME $ENV{USERPROFILE})
else()
    set(USERHOME $ENV{HOME})
endif()
set(sdkVersion 2.1.1)
set(toolchainVersion 14_2_Rel1)
set(picotoolVersion 2.1.1)
set(picoVscode ${USERHOME}/.pico-sdk/cmake/pico-vscode.cmake)
if (EXISTS ${picoVscode})
    include(${picoVscode})
endif()
# ====================================================================================
cmake_minimum_required(VERSION 3.18)

find_package(Perl)
if(NOT PERL_FOUND)
    message(FATAL_ERROR "Perl is needed for generating the fsdata.c file")
endif()

set(PICO_BOARD pico_w)
include(cmake/utils.cmake)

get_pico_sdk_import_cmake()
# initialize pico-sdk from GIT
# (note this can come from environment, CMake cache etc)
set(PICO_SDK_FETCH_FROM_GIT on)
# pico_sdk_import.cmake is a single file copied from this SDK
# note: this must happen before project()
include(cmake/pico_sdk_import.cmake)


if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/cmake/credentials.cmake)
    # copy it over from cmake/credentials.cmake.example
    include(cmake/credentials.cmake)
else()
    message(WARNING "Credentials file not found, using default values!")
    set(WIFI_SSID "SSID" CACHE INTERNAL "WiFi SSID for examples")
    set(WIFI_PASSWORD "password" CACHE INTERNAL "WiFi password for examples")
endif()

project(led_display_controller C CXX ASM)
set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

add_compile_options(
        -Wall
        -Werror
        )


# initialize the Raspberry Pi Pico SDK
pico_sdk_init()

set(PROGRAM_NAME led_display_controller)

set(MAKE_FS_DATA_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/external/makefsdata)

if (NOT EXISTS ${MAKE_FS_DATA_SCRIPT})
        file(DOWNLOAD
                https://raw.githubusercontent.com/lwip-tcpip/lwip/e799c266facc3c70190676eccad49d6c2db2caac/src/apps/http/makefsdata/makefsdata
                ${MAKE_FS_DATA_SCRIPT}
                )
endif()
message("Running makefsdata script")
execute_process(COMMAND
        perl ${MAKE_FS_DATA_SCRIPT}
        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
        ECHO_OUTPUT_VARIABLE
        ECHO_ERROR_VARIABLE
        )
file(RENAME fsdata.c my_fsdata.c)

add_executable(${PROGRAM_NAME}
        main.cpp
        cgi.cpp
        )

pico_generate_pio_header(${PROGRAM_NAME} ${CMAKE_CURRENT_LIST_DIR}/shift_register.pio)

target_compile_definitions(${PROGRAM_NAME} PRIVATE
        WIFI_SSID=\"${WIFI_SSID}\"
        WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
        )
target_include_directories(${PROGRAM_NAME} PRIVATE
        ${CMAKE_CURRENT_LIST_DIR}
        )
target_link_libraries(${PROGRAM_NAME}
        pico_cyw43_arch_lwip_poll
        pico_lwip_http
        pico_stdlib
        hardware_adc
        pico_multicore
        hardware_pio
        hardware_dma
        )

pico_enable_stdio_usb(${PROGRAM_NAME} TRUE)
pico_enable_stdio_uart(${PROGRAM_NAME} TRUE)
suppress_pico_sdk_warnings()

pico_add_extra_outputs(${PROGRAM_NAME})