cmake_minimum_required(VERSION 3.12)

set(PICO_BOARD "pico_w" CACHE STRING "must be set to pico_w for wifi projects")

# initialize the SDK based on PICO_SDK_PATH
# note: this must happen before project()
include( $ENV{PICO_SDK_PATH}/external/pico_sdk_import.cmake )

project( serial C CXX ASM )

set( CMAKE_C_STANDARD 11 )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror" )

pico_sdk_init()

include_directories( . )

add_executable(serial
        serial.c
        )

option( CONFIG_FILE "configuration file" )
if(CONFIG_FILE)
	add_definitions( -DCONFIG_FILE=${CONFIG_FILE} )
endif(CONFIG_FILE)

# Add pico_stdlib library which aggregates commonly used features
target_link_libraries( serial
		pico_stdlib
)

# enable usb output, disable uart output
pico_enable_stdio_usb( serial 1 )
pico_enable_stdio_uart( serial 0 )

# create map/bin/hex/uf2 file in addition to ELF.
pico_add_extra_outputs( serial )