CMakeLists.txt

add_executable(picow_tls_client_background
        picow_tls_client.c
        tls_common.c
        )
target_compile_definitions(picow_tls_client_background PRIVATE
        WIFI_SSID=\"${WIFI_SSID}\"
        WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
        )
target_include_directories(picow_tls_client_background PRIVATE
        ${CMAKE_CURRENT_LIST_DIR}
        ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts and mbedtls_config.h
        )
target_link_libraries(picow_tls_client_background
        pico_cyw43_arch_lwip_threadsafe_background
        pico_lwip_mbedtls
        pico_mbedtls
        pico_stdlib
        )
pico_add_extra_outputs(picow_tls_client_background)

add_executable(picow_tls_client_poll
        picow_tls_client.c
        tls_common.c
        )
target_compile_definitions(picow_tls_client_poll PRIVATE
        WIFI_SSID=\"${WIFI_SSID}\"
        WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
        )
target_include_directories(picow_tls_client_poll PRIVATE
        ${CMAKE_CURRENT_LIST_DIR}
        ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts and mbedtls_config.h
        )
target_link_libraries(picow_tls_client_poll
        pico_cyw43_arch_lwip_poll
        pico_lwip_mbedtls
        pico_mbedtls
        pico_stdlib
        )
pico_add_extra_outputs(picow_tls_client_poll)

# This version verifies the tls connection with a certificate
add_executable(picow_tls_verify_background
        tls_verify.c
        tls_common.c
        )
target_compile_definitions(picow_tls_verify_background PRIVATE
        WIFI_SSID=\"${WIFI_SSID}\"
        WIFI_PASSWORD=\"${WIFI_PASSWORD}\"
        # By default verification is optional (MBEDTLS_SSL_VERIFY_OPTIONAL)
        # Make it required for this test
        ALTCP_MBEDTLS_AUTHMODE=MBEDTLS_SSL_VERIFY_REQUIRED
        )
target_include_directories(picow_tls_verify_background PRIVATE
        ${CMAKE_CURRENT_LIST_DIR}
        ${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts and mbedtls_config.h
        )
target_link_libraries(picow_tls_verify_background
        pico_cyw43_arch_lwip_threadsafe_background
        pico_lwip_mbedtls
        pico_mbedtls
        pico_stdlib
        )
pico_add_extra_outputs(picow_tls_verify_background)

# Ignore warnings from lwip code
set_source_files_properties(
        ${PICO_LWIP_PATH}/src/apps/altcp_tls/altcp_tls_mbedtls.c
        PROPERTIES
        COMPILE_OPTIONS "-Wno-unused-result"
        )