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( novoclock C CXX ASM )

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

pico_sdk_init()

include_directories( . )

add_executable(novoclock
        novoclock.c
        )

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

# https://cmake.org/pipermail/cmake/2010-June/037733.html
#add_custom_command(
#	OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/ws2811pio.c
#	COMMAND ${PICO_SDK_PATH}/../pico-sdk-bin/pioasm ${CMAKE_CURRENT_SOURCE_DIR}/ws2811pio.pio ${CMAKE_CURRENT_SOURCE_DIR}/ws2811pio.c
#	DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/ws2811pio.pio
#	)

# Add pico_stdlib library which aggregates commonly used features
target_link_libraries( novoclock
		pico_stdlib
		pico_cyw43_arch_lwip_poll
		pico_multicore
		hardware_rtc
		hardware_flash
		hardware_sync
)

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

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

#
# IMPORTANT !!!!! do cmake -DPICO_BOARD=pico_w !!!!!
#