CMakeLists.txt

cmake_minimum_required(VERSION 3.13)

set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 14)

set(PICO_SDK_PATH "../lib/pico-sdk")
set(PICO_EXTRAS_PATH "../lib/pico-extras")

# Pull in Raspberry Pi Pico SDK (must be before project)
include(cmake/pico_sdk_import.cmake)
include(cmake/pico_extras_import.cmake)

# set(PICO_BOARD datanoisetv_rp2040_dsp)

set(FREERTOS_SRC_DIRECTORY "${PICO_SDK_PATH}/lib/tinyusb/lib/FreeRTOS-Kernel")

add_library(FreeRTOS STATIC
    ${FREERTOS_SRC_DIRECTORY}/event_groups.c
    ${FREERTOS_SRC_DIRECTORY}/list.c
    ${FREERTOS_SRC_DIRECTORY}/queue.c
    ${FREERTOS_SRC_DIRECTORY}/stream_buffer.c
    ${FREERTOS_SRC_DIRECTORY}/tasks.c
    ${FREERTOS_SRC_DIRECTORY}/timers.c
    ${FREERTOS_SRC_DIRECTORY}/portable/MemMang/heap_3.c
    ${FREERTOS_SRC_DIRECTORY}/portable/GCC/ARM_CM0/port.c
)

target_include_directories(FreeRTOS PUBLIC
    ${FREERTOS_CFG_DIRECTORY}/
    ${FREERTOS_SRC_DIRECTORY}/include
    ${FREERTOS_SRC_DIRECTORY}/portable/GCC/ARM_CM0
)

project(main C CXX ASM)

# set(PICO_CXX_ENABLE_EXCEPTIONS 1)

# Initialise the Raspberry Pi Pico SDK
pico_sdk_init()

# Add executable. Default name is the project name, version 0.1

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include ${CMAKE_CURRENT_BINARY_DIR} ".")

# add_subdirectory(lib/audio)

add_executable(main
    src/freertos_utils.cpp
    src/main.cpp 

)

add_subdirectory(lib/oled_ssd1306)

pico_set_program_name(main "main")
pico_set_program_version(main "0.1")

pico_enable_stdio_uart(main 1)
pico_enable_stdio_usb(main 0)

# Add the standard library to the build
target_link_libraries(main pico_stdlib)

# Add any user requested libraries
target_link_libraries(main
        hardware_adc
        hardware_spi
        hardware_i2c
        hardware_dma
        hardware_pio
        hardware_irq
        hardware_interp
        hardware_timer
        hardware_watchdog
        hardware_clocks
        pico_bootsel_via_double_reset
        pico_util_buffer
        pico_multicore
        #pico_stdio_uart
        #tinyusb_device
        #tinyusb_board
        #oled_ssd1306
        FreeRTOS
        )

target_compile_definitions(main PRIVATE
        USE_AUDIO_I2S=1
        #PICO_DEFAULT_UART_BAUD_RATE=921600
        )

file(GLOB files "${CMAKE_CURRENT_LIST_DIR}/piosrc/*.pio")
foreach(file ${files})
    message ("Adding ${file}")
    pico_generate_pio_header(main ${file})
endforeach()

# Enable this if overclocking > 200MHz is required
#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(main slower_boot2)

pico_add_extra_outputs(main)