Adding Bus Pirate/..-style debugging & probing features to regular MCU boards such as the Raspberry Pi Pico
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option(USE_USBCDC_FOR_STDIO "Export an extra USB-CDC interface for stdio, instead of echoing it to a UART port (and requiring UART loopback for receiving stdio output on a host computer)." OFF)
set(FAMILY "rp2040" CACHE STRING "Board/MCU family, decides which drivers to use. Set to RP2040 by default.")
set(BOARD "raspberry_pi_pico" CACHE STRING "Board used, determines the pinout. Defaults to the Raspberry Pi Pico.")
# use directory name for project id
#get_filename_component(PROJECT "Dragon Probe" NAME)
set(PROJECT "DragonProbe")
set(PROJECT ${BOARD}-${PROJECT})
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# TOP is absolute path to root directory of TinyUSB git repo
set(TOP "./tinyusb")
get_filename_component(TOP "${TOP}" REALPATH)
# Check for -DFAMILY=
if(FAMILY STREQUAL "rp2040")
cmake_minimum_required(VERSION 3.12)
option(USE_SYSTEMWIDE_PICOSDK "Use the systemwide Pico SDK instead of relying on the one from a deeply nested Git submodule (OFF by default)" OFF)
option(PICO_NO_FLASH "Disable writing the compiled program to flash, and only load it to RAM. Useful for testing, but not much else (OFF by default)." OFF)
option(PICO_COPY_TO_RAM "Run all code in RAM, while the program is also stored on flash. On bootup, everything will be copied to RAM (OFF by default)." OFF)
if (USE_SYSTEMWIDE_PICOSDK)
set(TOP "$ENV{PICO_SDK_PATH}/lib/tinyusb")
get_filename_component(TOP "${TOP}" REALPATH)
include(cmake/pico_sdk_import.cmake)
else()
set(PICO_SDK_PATH ${TOP}/hw/mcu/raspberrypi/pico-sdk)
include(${PICO_SDK_PATH}/pico_sdk_init.cmake)
endif()
include(${TOP}/hw/bsp/${FAMILY}/family.cmake) # tinyusb stuff
family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR})
project(${PROJECT})
family_initialize_project(PROJECT ${CMAKE_CURRENT_LIST_DIR}) # calls pico_sdk_init()
#pico_sdk_init()
#pico_set_program_name(${PROJECT} "${PROJECT}")
#pico_set_program_version(${PROJECT} "0.1")
add_executable(${PROJECT})
# need uart stdio, usb is busy doing other stuff
if(USE_USBCDC_FOR_STDIO)
# we're going to manually implement this case
#pico_enable_stdio_uart(${PROJECT} 0)
target_compile_definitions(${PROJECT} PUBLIC USE_USBCDC_FOR_STDIO=1 PICO_STDIO_USB=1)
else()
#pico_enable_stdio_uart(${PROJECT} 1)
endif()
pico_enable_stdio_uart(${PROJECT} 1)
pico_enable_stdio_usb(${PROJECT} 0)
else()
message(FATAL_ERROR "Invalid FAMILY '${FAMILY}' specified")
endif()
target_sources(${PROJECT} PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/src/no_malloc.c
${CMAKE_CURRENT_SOURCE_DIR}/libco/libco.S
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Source/DAP.c
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Source/JTAG_DP.c
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Source/DAP_vendor.c
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Source/SWO.c
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Source/SW_DP.c
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Source/UART.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/unique.c
${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
${CMAKE_CURRENT_SOURCE_DIR}/src/alloc.c
${CMAKE_CURRENT_SOURCE_DIR}/src/modeset.c
${CMAKE_CURRENT_SOURCE_DIR}/src/thread.c
${CMAKE_CURRENT_SOURCE_DIR}/src/tusb_plt.S
${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
${CMAKE_CURRENT_SOURCE_DIR}/src/vnd_cfg.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_default/_default.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_default/cdc_serprog.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_default/tempsensor.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_default/vnd_i2ctinyusb.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_isp/_isp.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_isp/mehfet.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_jscan/_jscan.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_jscan/jscan.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_sump/_sump.c
${CMAKE_CURRENT_SOURCE_DIR}/src/m_sump/cdc_sump.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/cdc_uart.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/dap_jtag.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/dap_swd.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/dap_uart.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/dap_swo.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/i2c_tinyusb.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/spi_serprog.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/tempsensor.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_isp/mehfet_hw.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_isp/sbw_hw.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_jscan/jscan_hw.c
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_sump/sump_hw.c
)
if(USE_USBCDC_FOR_STDIO)
target_sources(${PROJECT} PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/cdc_stdio.c
)
endif()
target_include_directories(${PROJECT} PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/src/
${CMAKE_CURRENT_SOURCE_DIR}/libco/
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Firmware/Include/
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Core/Include/
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/Driver/Include/
${CMAKE_CURRENT_SOURCE_DIR}/CMSIS-DAP/RTOS2/Include/
${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/
${CMAKE_CURRENT_SOURCE_DIR}/bsp/default/
)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Werror=implicit-function-declaration -Werror=return-type")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
add_custom_target(fix_db ALL WORKING_DIRECTORY ${OUTPUT_DIR}
COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/scripts/fix_clang_db.py")
if(FAMILY STREQUAL "rp2040")
# NOTE: do NOT enable pico_runtime here, as it pulls in malloc!
target_link_libraries(${PROJECT} pico_stdlib pico_unique_id hardware_spi
hardware_i2c hardware_adc hardware_pio hardware_dma hardware_pwm
pico_fix_rp2040_usb_device_enumeration
tinyusb_device tinyusb_board tinyusb_additions)
if(USE_USBCDC_FOR_STDIO)
target_include_directories(${PROJECT} PUBLIC
${PICO_SDK_PATH}/src/rp2_common/pico_stdio_usb/include/
)
# extremely ugly hack to prevent the Pico SDK to declare *its* TinyUSB config
# and also to modify the tinyusb board.h file a bit
target_compile_definitions(${PROJECT} PUBLIC
_PICO_STDIO_USB_TUSB_CONFIG_H=1
BOARD_H_=1
)
target_link_libraries(${PROJECT} pico_stdio)
endif()
pico_generate_pio_header(${PROJECT} ${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/dap_jtag.pio)
pico_generate_pio_header(${PROJECT} ${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/dap_swd.pio)
pico_generate_pio_header(${PROJECT} ${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/swo_uart_rx.pio)
pico_generate_pio_header(${PROJECT} ${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_default/swo_manchester_encoding.pio)
pico_generate_pio_header(${PROJECT} ${CMAKE_CURRENT_SOURCE_DIR}/bsp/${FAMILY}/m_isp/sbw.pio)
pico_add_extra_outputs(${PROJECT})
else()
message(FATAL_ERROR "Invalid FAMILY '${FAMILY}' specified")
endif()