cmake_minimum_required(VERSION 3.13)
# Valid builds are PICO, PICOUSB, VGA, VGAUSB, HDMI(rp2350 only), HDMIUSB(rp2350 only), WEB

set(PICOCALC true)
# For dynamic loading from SD card:
# SDBOOT requires the bootloader to be in the first 256KB of flash
# PicoMite will need to be shifted by this amount, and all references to
# positions in flash updated to accomodate. THIS OPTION IS NOT READY YET.
# details: https://github.com/adwuard/Picocalc_SD_Boot
set(SDBOOT true)

# Compile for PICO 1 Board
set(COMPILE PICO)

# Compile for PICO 2 Board
#set(COMPILE PICORP2350)
#set(COMPILE WEBRP2350)

if (COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "WEBRP2350" OR COMPILE STREQUAL "HDMIUSB"  OR COMPILE STREQUAL "VGARP2350"  OR COMPILE STREQUAL "VGAUSBRP2350"  OR COMPILE STREQUAL "PICORP2350"  OR COMPILE STREQUAL "PICOUSBRP2350" )
	set(PICO_PLATFORM rp2350)
	if (COMPILE STREQUAL "WEBRP2350")
		set(PICO_BOARD pico2_w)
	else()
		set(PICO_BOARD pimoroni_pga2350)
	endif()
else()
	set(PICO_PLATFORM rp2040)
	if (COMPILE STREQUAL "WEB")
		set(PICO_BOARD pico_w)
	else()
		set(PICO_BOARD pico)
	endif()
endif()
include(pico_sdk_import.cmake)
project(PicoMite C CXX ASM)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)
#set(PICO_NO_COPRO_DIS 1)
pico_sdk_init()
add_executable(PicoMite
	PicoMite.c
	Memory.c
	regex.c 
	MMBasic.c
	Operators.c
	Custom.c
	Functions.c
	Commands.c
	FileIO.c
	ff.c
	ffsystem.c
	ffunicode.c
	mmc_stm32.c
	Draw.c
	Editor.c
	XModem.c
	MM_Misc.c
	External.c
	MATHS.c
	Onewire.c
	I2C.c
	SPI.c
	Serial.c
	SPI-LCD.c
	BmpDecoder.c
	GPS.c
	Audio.c
	CFunction.c
    picojpeg.c 
    lfs.c
    lfs_util.c
	hxcmod.c
    VS1053.c
	aes.c
)
if (COMPILE STREQUAL "WEB" OR COMPILE STREQUAL "WEBRP2350" )
    target_sources(PicoMite PRIVATE 
	SSD1963.c 
	Touch.c     
	GUI.c
	cJSON.c
    mqtt.c
    MMMqtt.c
    MMTCPclient.c
    MMtelnet.c
    MMntp.c
    MMtcpserver.c
    tftp.c
    MMtftp.c
    MMudp.c
	)
	set_source_files_properties(cJSON.c PROPERTIES COMPILE_FLAGS -Os)
	target_include_directories(PicoMite PRIVATE
	${CMAKE_CURRENT_LIST_DIR}
	${CMAKE_CURRENT_LIST_DIR}/.. # for our common lwipopts
	)
	Pico_enable_stdio_usb(PicoMite 1)
endif()

if ((COMPILE STREQUAL "PICO") OR (COMPILE STREQUAL "PICOUSB") OR (COMPILE STREQUAL "PICORP2350") OR (COMPILE STREQUAL "PICOUSBRP2350") OR (COMPILE STREQUAL "WEBRP2350"))
    target_sources(PicoMite PRIVATE 
	SSD1963.c 
	Touch.c 
	GUI.c)
endif()

if (COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "PICOUSBRP2350" OR COMPILE STREQUAL "VGAUSBRP2350" OR COMPILE STREQUAL "PICOUSB" OR COMPILE STREQUAL "HDMIUSB")
    target_sources(PicoMite PRIVATE 
	USBKeyboard.c
	)
else()
	target_sources(PicoMite PRIVATE 
	Keyboard.c 
	mouse.c
	)
endif()

if(COMPILE STREQUAL "VGARP2350" OR COMPILE STREQUAL "WEBRP2350" OR COMPILE STREQUAL "PICORP2350" OR COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "HDMIUSB" OR COMPILE STREQUAL "VGAUSBRP2350" OR COMPILE STREQUAL "PICOUSBRP2350")
	target_sources(PicoMite PRIVATE 
	upng.c
	)
endif()

if(PICOCALC STREQUAL "true")
	target_sources(PicoMite PRIVATE
	picocalc/i2ckbd.c
	)
endif()

set_source_files_properties(mmc_stm32.c PROPERTIES COMPILE_FLAGS -O2)
set_source_files_properties(ff.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(GUI.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(BmpDecoder.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(GPS.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(I2C.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(lfs.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(picojpeg.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(regex.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(hxcmod.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(MATHS.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(Editor.c PROPERTIES COMPILE_FLAGS -Os)
set_source_files_properties(aes.c PROPERTIES COMPILE_FLAGS -Os)
pico_generate_pio_header(PicoMite ${CMAKE_CURRENT_LIST_DIR}/PicoMiteI2S.pio)
if (COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "VGA" OR COMPILE STREQUAL "PICO" OR COMPILE STREQUAL "PICOUSB" OR COMPILE STREQUAL "WEB")
	pico_define_boot_stage2(slower_boot2 ${PICO_DEFAULT_BOOT_STAGE2_FILE})
	target_compile_definitions(slower_boot2 PRIVATE PICO_FLASH_SPI_CLKDIV=4)
	pico_set_boot_stage2(PicoMite slower_boot2)
endif()
if (COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "VGA" OR COMPILE STREQUAL "VGAUSBRP2350" OR COMPILE STREQUAL "VGARP2350")
	pico_generate_pio_header(PicoMite ${CMAKE_CURRENT_LIST_DIR}/PicoMiteVGA.pio)
endif()


if (COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "PICOUSB" OR COMPILE STREQUAL "HDMIUSB" OR COMPILE STREQUAL "PICOUSBRP2350" OR COMPILE STREQUAL "VGAUSBRP2350")
	Pico_enable_stdio_usb(PicoMite 0)
	target_include_directories(PicoMite PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
	${CMAKE_CURRENT_SOURCE_DIR}/usb_host_files
		)
else()
	Pico_enable_stdio_usb(PicoMite 1)
endif()

pico_enable_stdio_uart(PicoMite 0)
pico_add_extra_outputs(PicoMite)
pico_set_printf_implementation(PicoMite compiler)
if(COMPILE STREQUAL "VGARP2350" OR COMPILE STREQUAL "WEBRP2350" OR COMPILE STREQUAL "PICORP2350" OR COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "HDMIUSB" OR COMPILE STREQUAL "VGAUSBRP2350" OR COMPILE STREQUAL "PICOUSBRP2350")
	pico_set_float_implementation(PicoMite pico_dcp)
endif()
target_compile_options(PicoMite PRIVATE -DNDEBUG
										-DPICO_STDIO_USB_ENABLE_RESET_VIA_VENDOR_INTERFACE=0
										-DPICO_ADC_CLKDIV_ROUND_NEAREST
										-DPICO_XOSC_STARTUP_DELAY_MULTIPLIER=64 
										-DPICO_CLOCK_AJDUST_PERI_CLOCK_WITH_SYS_CLOCK
										-DPICO_XOSC_STARTUP_DELAY_MULTIPLIER=64 
										-DPICO_FLASH_SIZE_BYTES=16777216
										-DPICO_CORE1_STACK_SIZE=0x00
										-DPICO_MALLOC_PANIC
										-O2
										-Wall)
# all RP2350 variants
if (COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "WEBRP2350" OR COMPILE STREQUAL "HDMIUSB" OR COMPILE STREQUAL "PICORP2350" OR COMPILE STREQUAL "PICOUSBRP2350" OR COMPILE STREQUAL "VGARP2350" OR COMPILE STREQUAL "VGAUSBRP2350")
	target_compile_options(PicoMite PRIVATE -Drp2350
											-DPICO_FLASH_SPI_CLKDIV=4
											-DPICO_PIO_USE_GPIO_BASE
											)
endif()
# all PicoMite variants - enable the gui
if (COMPILE STREQUAL "PICO" OR COMPILE STREQUAL "PICOUSB" OR COMPILE STREQUAL "PICORP2350" OR COMPILE STREQUAL "PICOUSBRP2350")
	target_compile_options(PicoMite PRIVATE -DPICOMITE
											-DPICO_HEAP_SIZE=0x1000 
											-DGUICONTROLS
											-DPICO_CORE0_STACK_SIZE=0x1000
											)
endif()
# all VGA variants 
if (COMPILE STREQUAL "VGA" OR COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "VGARP2350" OR COMPILE STREQUAL "VGAUSBRP2350")
	target_compile_options(PicoMite PRIVATE -DPICOMITEVGA
											-DPICO_HEAP_SIZE=0x2000 
											-DPICO_CORE0_STACK_SIZE=0x2000
											)
endif()
# HDMI variants
if (COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "HDMIUSB")
	target_compile_options(PicoMite PRIVATE -DPICOMITEVGA
											-DHDMI
											-DPICO_HEAP_SIZE=0x2000 
											-DPICO_CORE0_STACK_SIZE=0x2000
											)
endif()
#Web variants need more heap
if(COMPILE STREQUAL "WEB" OR COMPILE STREQUAL "WEBRP2350")
	target_compile_options(PicoMite PRIVATE -DPICOMITEWEB 
											-DPICO_HEAP_SIZE=0x4000 
											-DGUICONTROLS
											-DCYW43_HOST_NAME="WebMite" 
											-DPICO_CYW43_ARCH_POLL
											-DPICO_CORE0_STACK_SIZE=0x4000
											)
endif()
#USB variants
if (COMPILE STREQUAL "PICOUSB" OR COMPILE STREQUAL "PICOUSBRP2350" OR COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "VGAUSBRP2350" OR COMPILE STREQUAL "HDMIUSB")
target_compile_options(PicoMite PRIVATE -DUSBKEYBOARD
										)
endif()
#special case WEB RP2350 gets the GUI controls
if(COMPILE STREQUAL "WEBRP2350")
	target_compile_options(PicoMite PRIVATE -DGUICONTROLS
											)
endif()
#set the PICOCALC flag
if(PICOCALC STREQUAL "true")
	target_compile_options(PicoMite PRIVATE -DPICOCALC
											)
endif()


target_link_libraries(PicoMite
	pico_stdlib
	hardware_flash
	hardware_irq
	hardware_adc
	hardware_pwm
	hardware_i2c
	hardware_spi
	hardware_dma
	hardware_exception
	hardware_pio
)

if(COMPILE STREQUAL "VGAUSB" OR COMPILE STREQUAL "PICOUSB" OR COMPILE STREQUAL "HDMIUSB" OR COMPILE STREQUAL "PICOUSBRP2350" OR COMPILE STREQUAL "VGAUSBRP2350")
	target_link_libraries(PicoMite
	tinyusb_host 
	tinyusb_board
	pico_multicore
	)
endif()

if(COMPILE STREQUAL "VGA" OR COMPILE STREQUAL "PICO" OR COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "VGARP2350" OR COMPILE STREQUAL "PICORP2350")
	target_link_libraries(PicoMite
	pico_multicore
	)
endif()

if(COMPILE STREQUAL "VGARP2350" OR COMPILE STREQUAL "WEBRP2350" OR COMPILE STREQUAL "PICORP2350" OR COMPILE STREQUAL "HDMI" OR COMPILE STREQUAL "HDMIUSB" OR COMPILE STREQUAL "VGAUSBRP2350" OR COMPILE STREQUAL "PICOUSBRP2350")
	target_link_libraries(PicoMite
	pico_rand
	)
endif()

if(COMPILE STREQUAL "WEB" OR COMPILE STREQUAL "WEBRP2350" )
	target_link_libraries(PicoMite
	pico_cyw43_arch_lwip_poll
	)
endif()

if(SDBOOT STREQUAL "true" AND (COMPILE STREQUAL "PICORP2350" OR COMPILE STREQUAL "WEBRP2350"))
	pico_set_linker_script(PicoMite ${CMAKE_SOURCE_DIR}/memmap_default_rp2350.ld)
endif()

if(SDBOOT STREQUAL "true" AND (COMPILE STREQUAL "PICO"))
	pico_set_linker_script(PicoMite ${CMAKE_SOURCE_DIR}/memmap_default_rp2040.ld)
endif()

set(UF2_SOURCE ${CMAKE_CURRENT_BINARY_DIR}/PicoMite.uf2)
set(UF2_DEST   ${CMAKE_BINARY_DIR}/PicoMite.uf2)

add_custom_command(
    OUTPUT ${UF2_DEST}
    DEPENDS ${UF2_SOURCE}
    COMMAND ${CMAKE_COMMAND} -E copy ${UF2_SOURCE} ${UF2_DEST}
    COMMENT "Copying PicoMite.uf2 to top-level build dir"
)


add_custom_target(PREPARE_PicoMite
 			COMMENT "Create Linker Script for 'PicoMite'"
            COMMAND ${Python3_EXECUTABLE}
                    ${CMAKE_SOURCE_DIR}/applink.py PREPARE
                    ${CMAKE_BINARY_DIR}
                    PicoMite)

add_custom_target(BUILT_PicoMite
        COMMENT "Record Build Details for 'PicoMite'"
        DEPENDS ${UF2_DEST}
        COMMAND ${Python3_EXECUTABLE}
                ${CMAKE_SOURCE_DIR}/applink.py BUILT
                ${CMAKE_BINARY_DIR}
                PicoMite)