Add script to extract CMake function descriptions (#2422)

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will-v-pi 2025-04-29 17:09:06 +01:00 committed by GitHub
parent 333944ac67
commit 6e315799f5
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12 changed files with 407 additions and 53 deletions

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@ -15,16 +15,22 @@ function(pico_get_runtime_output_directory TARGET output_path_name)
set(${output_path_name} ${output_path} PARENT_SCOPE)
endfunction()
# pico_add_hex_output(TARGET)
# \brief\ Generate a hex file for the target
function(pico_add_hex_output TARGET)
pico_get_runtime_output_directory(${TARGET} output_path)
add_custom_command(TARGET ${TARGET} POST_BUILD COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${TARGET}> ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.hex VERBATIM)
endfunction()
# pico_add_bin_output(TARGET)
# \brief\ Generate a bin file for the target
function(pico_add_bin_output TARGET)
pico_get_runtime_output_directory(${TARGET} output_path)
add_custom_command(TARGET ${TARGET} POST_BUILD COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${TARGET}> ${output_path}$<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.bin VERBATIM)
endfunction()
# pico_add_dis_output(TARGET)
# \brief\ Generate a disassembly file for the target
function(pico_add_dis_output TARGET)
pico_get_runtime_output_directory(${TARGET} output_path)
@ -45,6 +51,10 @@ function(pico_add_dis_output TARGET)
)
endfunction()
# pico_add_extra_outputs(TARGET)
# \brief_nodesc\ Perform post-build actions for the target
#
# Perform picotool processing and add disassembly, hex, bin, map, and uf2 outputs for the target
function(pico_add_extra_outputs TARGET)
# Disassembly will be nonsense for encrypted binaries,
# so disassemble before picotool processing

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@ -9,11 +9,19 @@ endif()
target_link_libraries(pico_binary_info INTERFACE pico_binary_info_headers)
# pico_set_program_name(TARGET name)
# \brief\ Set the program name for the target
#
# \param\ name The program name to set
function(pico_set_program_name TARGET name)
# PICO_BUILD_DEFINE: PICO_PROGRAM_NAME, value passed to pico_set_program_name, type=string, group=pico_binary_info
target_compile_definitions(${TARGET} PRIVATE -DPICO_PROGRAM_NAME="${name}")
endfunction()
# pico_set_program_description(TARGET description)
# \brief\ Set the program description for the target
#
# \param\ description The program description to set
function(pico_set_program_description TARGET description)
# since this is the command line, we will remove newlines
string(REPLACE "\n" " " description ${description})
@ -22,11 +30,19 @@ function(pico_set_program_description TARGET description)
target_compile_definitions(${TARGET} PRIVATE -DPICO_PROGRAM_DESCRIPTION="${description}")
endfunction()
# pico_set_program_url(TARGET url)
# \brief\ Set the program URL for the target
#
# \param\ url The program URL to set
function(pico_set_program_url TARGET url)
# PICO_BUILD_DEFINE: PICO_PROGRAM_URL, value passed to pico_set_program_url, type=string, group=pico_binary_info
target_compile_definitions(${TARGET} PRIVATE -DPICO_PROGRAM_URL="${url}")
endfunction()
# pico_set_program_version(TARGET version)
# \brief\ Set the program version for the target
#
# \param\ version The program version to set
function(pico_set_program_version TARGET version)
# PICO_BUILD_DEFINE: PICO_PROGRAM_VERSION_STRING, value passed to pico_set_program_version, type=string, group=pico_binary_info
target_compile_definitions(${TARGET} PRIVATE -DPICO_PROGRAM_VERSION_STRING="${version}")

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@ -33,7 +33,13 @@ set(PICO_BOOT_STAGE2_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "")
pico_add_library(boot_stage2_headers)
target_include_directories(boot_stage2_headers SYSTEM INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
# by convention the first source file name without extension is used for the binary info name
# pico_define_boot_stage2(NAME SOURCES)
# \brief\ Define a boot stage 2 target.
#
# By convention the first source file name without extension is used for the binary info name
#
# \param\ NAME The name of the boot stage 2 target
# \param\ SOURCES The source files to link into the boot stage 2
function(pico_define_boot_stage2 NAME SOURCES)
add_executable(${NAME}
${SOURCES}
@ -97,7 +103,12 @@ endmacro()
pico_define_boot_stage2(bs2_default ${PICO_DEFAULT_BOOT_STAGE2_FILE})
# pico_clone_default_boot_stage2(NAME)
# \brief_nodesc\ Clone the default boot stage 2 target.
#
# Create a new boot stage 2 target using the default implementation for the current build (PICO_BOARD derived)
#
# \param\ NAME The name of the new boot stage 2 target
function(pico_clone_default_boot_stage2 NAME)
pico_define_boot_stage2(${NAME} ${PICO_DEFAULT_BOOT_STAGE2_FILE})
endfunction()

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@ -33,7 +33,13 @@ set(PICO_BOOT_STAGE2_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "")
pico_add_library(boot_stage2_headers)
target_include_directories(boot_stage2_headers SYSTEM INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
# by convention the first source file name without extension is used for the binary info name
# pico_define_boot_stage2(NAME SOURCES)
# \brief\ Define a boot stage 2 target.
#
# By convention the first source file name without extension is used for the binary info name
#
# \param\ NAME The name of the boot stage 2 target
# \param\ SOURCES The source files to link into the boot stage 2
function(pico_define_boot_stage2 NAME SOURCES)
add_executable(${NAME}
${SOURCES}
@ -97,7 +103,12 @@ endmacro()
pico_define_boot_stage2(bs2_default ${PICO_DEFAULT_BOOT_STAGE2_FILE})
# pico_clone_default_boot_stage2(NAME)
# \brief_nodesc\ Clone the default boot stage 2 target.
#
# Create a new boot stage 2 target using the default implementation for the current build (PICO_BOARD derived)
#
# \param\ NAME The name of the new boot stage 2 target
function(pico_clone_default_boot_stage2 NAME)
pico_define_boot_stage2(${NAME} ${PICO_DEFAULT_BOOT_STAGE2_FILE})
endfunction()

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@ -302,9 +302,15 @@ if (EXISTS ${PICO_BTSTACK_PATH}/${BTSTACK_TEST_PATH})
pico_promote_common_scope_vars()
# Make a GATT header file from a BTstack GATT file
# Pass the target library name library type and path to the GATT input file
# To add additional directories to the gatt #import path, add them to the end of the argument list.
# pico_btstack_make_gatt_header(TARGET_LIB TARGET_TYPE GATT_FILE)
# \brief\ Make a GATT header file from a BTstack GATT file.
#
# Pass the target library name, library type, and path to the GATT input file.
# To add additional directories to the gatt import path, add them to the end of the argument list.
#
# \param\ TARGET_LIB The target library name
# \param\ TARGET_TYPE The target library type
# \param\ GATT_FILE The path to the GATT input file
function(pico_btstack_make_gatt_header TARGET_LIB TARGET_TYPE GATT_FILE)
find_package (Python3 REQUIRED COMPONENTS Interpreter)
get_filename_component(GATT_NAME "${GATT_FILE}" NAME_WE)

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@ -131,16 +131,22 @@ if (EXISTS ${PICO_CYW43_DRIVER_PATH}/${CYW43_DRIVER_TEST_FILE})
)
endif()
# Set an ip address in a compile definition
# target name, target type, compile definition name to set then address in a string
# This can be used to set the following compile definitions
# CYW43_DEFAULT_IP_STA_ADDRESS
# CYW43_DEFAULT_IP_STA_GATEWAY
# CYW43_DEFAULT_IP_AP_ADDRESS
# CYW43_DEFAULT_IP_AP_GATEWAY
# CYW43_DEFAULT_IP_MASK
# CYW43_DEFAULT_IP_DNS
# pico_configure_ip4_address(TARGET_LIB TARGET_TYPE DEF_NAME IP_ADDRESS_STR)
# \brief\ Set an ip address in a compile definition
#
# This can be used to set the following compile definitions;
# CYW43_DEFAULT_IP_STA_ADDRESS;
# CYW43_DEFAULT_IP_STA_GATEWAY;
# CYW43_DEFAULT_IP_AP_ADDRESS;
# CYW43_DEFAULT_IP_AP_GATEWAY;
# CYW43_DEFAULT_IP_MASK;
# CYW43_DEFAULT_IP_DNS;
# e.g. pico_configure_ip4_address(picow_tcpip_server_background PRIVATE CYW43_DEFAULT_IP_STA_ADDRESS "10.3.15.204")
#
# \param\ TARGET_LIB The target library to set the ip address for
# \param\ TARGET_TYPE The type of target library
# \param\ DEF_NAME The name of the compile definition to set
# \param\ IP_ADDRESS_STR The ip address to set
function(pico_configure_ip4_address TARGET_LIB TARGET_TYPE DEF_NAME IP_ADDRESS_STR)
string(REGEX MATCHALL "[0-9]+" IP_ADDRESS_LIST ${IP_ADDRESS_STR})
list(LENGTH IP_ADDRESS_LIST IP_ADDRESS_COMPONENT_COUNT)

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@ -1,5 +1,13 @@
# Compile the http content into a source file "pico_fsdata.inc" in a format suitable for the lwip httpd server
# Pass the target library name library type and the list of httpd content
# pico_set_lwip_httpd_content(TARGET_LIB TARGET_TYPE HTTPD_FILES...)
# \ingroup\ pico_lwip
# \brief_nodesc\ Compile the http content into a source file for lwip.
#
# Compile the http content into a source file "pico_fsdata.inc" in a format suitable for the lwip httpd server.
# Pass the target library name, library type, and the list of httpd content files to compile.
#
# \param\ TARGET_LIB The target library name
# \param\ TARGET_TYPE The type of the target library
# \param\ HTTPD_FILES The list of httpd content files to compile
function(pico_set_lwip_httpd_content TARGET_LIB TARGET_TYPE)
find_package (Python3 REQUIRED COMPONENTS Interpreter)
set(HTTPD_CONTENT_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated")

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@ -51,22 +51,26 @@ elseif (PICO_C_COMPILER_IS_CLANG)
# target_link_options(pico_runtime INTERFACE "-nostdlib")
endif()
# pico_minimize_runtime((INCLUDE ...) (EXCLUDE ...))
# pico_minimize_runtime(TARGET [INCLUDE ...] [EXCLUDE ...])
# \brief\ Minimize the runtime components for the target
#
# INCLUDE/EXCLUDE can contain any of the following (all defaulting to not included)
#
# DEFAULT_ALARM_POOL - default alarm pool setup
# PRINTF - full printf support
# PRINTF_MINIMAL - printf support without the following
# PRINTF_FLOAT - to control float support if printf is enabled
# PRINTF_EXPONENTIAL
# PRINTF_LONG_LONG
# PRINTF_PTRDIFF_T
# FLOAT - support for single-precision floating point
# DOUBLE - support for double-precision floating point
# FPGA_CHECK - checks for FPGA which allows Raspberry Pi to run your binary on FPGA
# PANIC - default panic impl which brings in stdio
# AUTO_INIT_MUTEX - auto init mutexes; without this you get no printf mutex either -
# DEFAULT_ALARM_POOL - default alarm pool setup;
# PRINTF - full printf support;
# PRINTF_MINIMAL - printf support without the following;
# PRINTF_FLOAT - to control float support if printf is enabled;
# PRINTF_EXPONENTIAL - to control exponential support if printf is enabled;
# PRINTF_LONG_LONG - to control long long support if printf is enabled;
# PRINTF_PTRDIFF_T - to control ptrdiff_t support if printf is enabled;
# FLOAT - support for single-precision floating point;
# DOUBLE - support for double-precision floating point;
# FPGA_CHECK - checks for FPGA which allows Raspberry Pi to run your binary on FPGA;
# PANIC - default panic impl which brings in stdio;
# AUTO_INIT_MUTEX - auto init mutexes, without this you get no printf mutex either;
#
# \param\ INCLUDE The items to include
# \param\ EXCLUDE The items to exclude
function(pico_minimize_runtime TARGET)
set(ALL_ITEMS
DEFAULT_ALARM_POOL

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@ -5,6 +5,10 @@ if (NOT TARGET pico_standard_link)
target_link_libraries(pico_standard_link INTERFACE boot_stage2_headers)
endif()
# pico_add_link_depend(TARGET dependency)
# \brief\ Add a link time dependency to the target
#
# \param\ dependency The dependency to add
function(pico_add_link_depend TARGET dependency)
get_target_property(target_type ${TARGET} TYPE)
if (${target_type} STREQUAL "INTERFACE_LIBRARY")
@ -21,11 +25,18 @@ if (NOT TARGET pico_standard_link)
set_target_properties(${TARGET} PROPERTIES ${PROP} "${_LINK_DEPENDS}")
endfunction()
# need this because cmake does not appear to have a way to override an INTERFACE variable
# pico_set_linker_script(TARGET LDSCRIPT)
# \brief\ Set the linker script for the target
#
# \param\ LDSCRIPT Full path to the linker script to set
function(pico_set_linker_script TARGET LDSCRIPT)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_LINKER_SCRIPT ${LDSCRIPT})
endfunction()
# pico_set_binary_type(TARGET TYPE)
# \brief\ Set the binary type for the target
#
# \param\ TYPE The binary type to set
function(pico_set_binary_type TARGET TYPE)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_BINARY_TYPE ${TYPE})
endfunction()

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@ -26,18 +26,34 @@ if (NOT TARGET pico_stdio)
pico_mirrored_target_link_libraries(pico_stdio INTERFACE pico_printf)
endif()
# pico_enable_stdio_uart(TARGET ENABLED)
# \brief\ Enable stdio UART for the target
#
# \param\ ENABLED Whether to enable stdio UART
function(pico_enable_stdio_uart TARGET ENABLED)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_STDIO_UART ${ENABLED})
endfunction()
# pico_enable_stdio_usb(TARGET ENABLED)
# \brief\ Enable stdio USB for the target
#
# \param\ ENABLED Whether to enable stdio USB
function(pico_enable_stdio_usb TARGET ENABLED)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_STDIO_USB ${ENABLED})
endfunction()
# pico_enable_stdio_semihosting(TARGET ENABLED)
# \brief\ Enable stdio semi-hosting for the target
#
# \param\ ENABLED Whether to enable stdio semi-hosting
function(pico_enable_stdio_semihosting TARGET ENABLED)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_STDIO_SEMIHOSTING ${ENABLED})
endfunction()
# pico_enable_stdio_rtt(TARGET ENABLED)
# \brief\ Enable stdio RTT for the target
#
# \param\ ENABLED Whether to enable stdio RTT
function(pico_enable_stdio_rtt TARGET ENABLED)
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_STDIO_RTT ${ENABLED})
endfunction()

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@ -175,13 +175,19 @@ function(picotool_check_default_keys TARGET)
picotool_compare_keys(${TARGET} ${picotool_enc_sigfile} private.pem "encrypted signing")
endfunction()
# Generate pio header and include it in the build
# PICO_CMAKE_CONFIG: PICO_DEFAULT_PIOASM_OUTPUT_FORMAT, Default output format used by pioasm when using pico_generate_pio_header, type=string, default=c-sdk, group=build
# pico_generate_pio_header(TARGET PIO_FILES... [OUTPUT_FORMAT <format>] [OUTPUT_DIR <dir>])
# \ingroup\ pico_pio
# \brief\ Generate pio header and include it in the build
#
# \param\ PIO_FILES The PIO files to generate the header for
# \param\ OUTPUT_FORMAT The output format to use for the pio header
# \param\ OUTPUT_DIR The directory to output the pio header to
function(pico_generate_pio_header TARGET)
pico_init_pioasm()
# Note that PATH is not a valid argument but was previously ignored (and happens to be passed by pico-extras)
cmake_parse_arguments(pico_generate_pio_header "" "OUTPUT_FORMAT;OUTPUT_DIR;PATH" "" ${ARGN} )
# PICO_CMAKE_CONFIG: PICO_DEFAULT_PIOASM_OUTPUT_FORMAT, Default output format used by pioasm when using pico_generate_pio_header, type=string, default=c-sdk, group=build
if (pico_generate_pio_header_OUTPUT_FORMAT)
set(OUTPUT_FORMAT "${pico_generate_pio_header_OUTPUT_FORMAT}")
elseif(DEFINED PICO_DEFAULT_PIOASM_OUTPUT_FORMAT)
@ -230,10 +236,13 @@ function(pico_generate_pio_header TARGET)
endfunction()
# pico_package_uf2_output(TARGET PACKADDR)
# Package a UF2 output to be written to the PACKADDR address. This can be
# used with a no_flash binary to write the UF2 to flash when dragging &
# \brief\ Package a UF2 output to be written to the PACKADDR address.
# This can be used with a no_flash binary to write the UF2 to flash when dragging &
# dropping, and it will be copied to SRAM by the bootrom before execution.
# This sets PICOTOOL_UF2_PACKAGE_ADDR to PACKADDR.
#
# This sets the target property PICOTOOL_UF2_PACKAGE_ADDR to PACKADDR.
#
# \param\ PACKADDR The address to package the UF2 to
function(pico_package_uf2_output TARGET PACKADDR)
picotool_check_configurable(${TARGET})
set_target_properties(${TARGET} PROPERTIES
@ -242,8 +251,11 @@ function(pico_package_uf2_output TARGET PACKADDR)
endfunction()
# pico_set_otp_key_output_file(TARGET OTPFILE)
# Output the public key hash and other necessary rows to an otp JSON file.
# This sets PICOTOOL_OTP_FILE to OTPFILE.
# \brief\ Output the public key hash and other necessary rows to an otp JSON file.
#
# This sets the target property PICOTOOL_OTP_FILE to OTPFILE.
#
# \param\ OTPFILE The OTP file to output the public key hash and other necessary rows to
function(pico_set_otp_key_output_file TARGET OTPFILE)
picotool_check_configurable(${TARGET})
set_target_properties(${TARGET} PROPERTIES
@ -252,9 +264,12 @@ function(pico_set_otp_key_output_file TARGET OTPFILE)
endfunction()
# pico_load_map_clear_sram(TARGET)
# \brief_nodesc\ Adds a load map entry to clear all of SRAM
#
# Adds an entry to the load map to instruct the bootrom to clear all of SRAM
# before loading the binary. This appends the `--clear` argument
# to PICOTOOL_EXTRA_PROCESS_ARGS.
# before loading the binary.
#
# This appends the `--clear` argument to the target property PICOTOOL_EXTRA_PROCESS_ARGS.
function(pico_load_map_clear_sram TARGET)
picotool_check_configurable(${TARGET})
# get and set, to inherit list
@ -268,11 +283,20 @@ function(pico_load_map_clear_sram TARGET)
)
endfunction()
# pico_set_binary_version(<TARGET> [MAJOR <version>] [MINOR <version>] [ROLLBACK <version>] [ROLLBACK_ROWS <rows...>])
# pico_set_binary_version(TARGET [MAJOR <version>] [MINOR <version>] [ROLLBACK <version>] [ROWS <rows...>])
# \brief_nodesc\ Add a version item to the metadata block
#
# Adds a version item to the metadata block, with the given major, minor and
# rollback version, along with the rollback rows. These are appended as arguments
# to PICOTOOL_EXTRA_PROCESS_ARGS if setting the rollback version, or set as compile
# definitions if only setting the major/minor versions.
# rollback version, along with the rollback rows.
#
# These are appended as arguments to the target property PICOTOOL_EXTRA_PROCESS_ARGS if setting the
# rollback version, or set as compile definitions if only setting the major/minor
# versions.
#
# \param\ MAJOR The major version to set
# \param\ MINOR The minor version to set
# \param\ ROLLBACK The rollback version to set
# \param\ ROWS The OTP rows to use for the rollback version
function(pico_set_binary_version TARGET)
picotool_check_configurable(${TARGET})
set(oneValueArgs MAJOR MINOR ROLLBACK)
@ -321,8 +345,11 @@ function(pico_set_binary_version TARGET)
endfunction()
# pico_set_uf2_family(TARGET FAMILY)
# Set the UF2 family to use when creating the UF2.
# This sets PICOTOOL_UF2_FAMILY to FAMILY.
# \brief\ Set the UF2 family to use when creating the UF2.
#
# This sets the target property PICOTOOL_UF2_FAMILY to FAMILY.
#
# \param\ FAMILY The UF2 family to use
function(pico_set_uf2_family TARGET FAMILY)
picotool_check_configurable(${TARGET})
set_target_properties(${TARGET} PROPERTIES
@ -331,11 +358,16 @@ function(pico_set_uf2_family TARGET FAMILY)
endfunction()
# pico_sign_binary(TARGET [SIGFILE])
# Sign the target binary with the given PEM signature. This sets
# PICOTOOL_SIGN_OUTPUT to true, PICOTOOL_SIGFILE to SIGFILE (if specified),
# and PICOTOOL_OTP_FILE to ${TARGET}.otp.json (if not already set). To
# specify a common SIGFILE for multiple targets, the SIGFILE property can be
# \brief\ Sign the target binary with the given PEM signature.
#
# This sets the target properties PICOTOOL_SIGN_OUTPUT to true,
# PICOTOOL_SIGFILE to SIGFILE (if specified), and PICOTOOL_OTP_FILE to
# ${TARGET}.otp.json (if not already set).
#
# To specify a common SIGFILE for multiple targets, the SIGFILE property can be
# set for a given scope, and then the SIGFILE argument is optional.
#
# \param\ SIGFILE The PEM signature file to use
function(pico_sign_binary TARGET)
picotool_check_configurable(${TARGET})
# Enforce signing through target properties
@ -361,7 +393,9 @@ function(pico_sign_binary TARGET)
endfunction()
# pico_hash_binary(TARGET)
# Hash the target binary. This sets PICOTOOL_HASH_OUTPUT to true.
# \brief\ Hash the target binary.
#
# This sets the target property PICOTOOL_HASH_OUTPUT to true.
function(pico_hash_binary TARGET)
picotool_check_configurable(${TARGET})
# Enforce hashing through target properties
@ -371,8 +405,14 @@ function(pico_hash_binary TARGET)
endfunction()
# pico_embed_pt_in_binary(TARGET PTFILE)
# \brief_nodesc\ Embed a partition table in the binary
#
# Create the specified partition table from JSON, and embed it in the
# block loop. This sets PICOTOOL_EMBED_PT to PTFILE.
# block loop.
#
# This sets the target property PICOTOOL_EMBED_PT to PTFILE.
#
# \param\ PTFILE The partition table JSON file to use
function(pico_embed_pt_in_binary TARGET PTFILE)
picotool_check_configurable(${TARGET})
set_target_properties(${TARGET} PROPERTIES
@ -381,10 +421,16 @@ function(pico_embed_pt_in_binary TARGET PTFILE)
endfunction()
# pico_encrypt_binary(TARGET AESFILE [SIGFILE])
# \brief_nodesc\ Encrypt the taget binary
#
# Encrypt the target binary with the given AES key (should be a binary
# file containing 32 bytes of a random key), and sign the encrypted binary.
# This sets PICOTOOL_AESFILE to AESFILE, and PICOTOOL_ENC_SIGFILE to SIGFILE
# if present, else PICOTOOL_SIGFILE.
#
# This sets the target properties PICOTOOL_AESFILE to AESFILE,
# and PICOTOOL_ENC_SIGFILE to SIGFILE if present, else PICOTOOL_SIGFILE.
#
# \param\ AESFILE The AES key file to use
# \param\ SIGFILE The PEM signature file to use
function(pico_encrypt_binary TARGET AESFILE)
picotool_check_configurable(${TARGET})
set_target_properties(${TARGET} PROPERTIES
@ -410,6 +456,8 @@ function(pico_encrypt_binary TARGET AESFILE)
endfunction()
# pico_add_uf2_output(TARGET)
# \brief_nodesc\ Add a UF2 output using picotool
#
# Add a UF2 output using picotool - must be called after
# all required properties have been set
function(pico_add_uf2_output TARGET)

207
tools/extract_cmake_functions.py Executable file
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@ -0,0 +1,207 @@
#!/usr/bin/env python3
#
# Copyright (c) 2025 Raspberry Pi (Trading) Ltd.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
# Script to scan the Raspberry Pi Pico SDK tree searching for CMake functions
# Outputs a tab separated file of the functions:
# name group signature brief description params
#
# Usage:
#
# tools/extract_cmake_functions.py <root of repo> [output file]
#
# If not specified, output file will be `pico_cmake_functions.tsv`
import os
import sys
import re
import csv
import logging
logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO)
scandir = sys.argv[1]
outfile = sys.argv[2] if len(sys.argv) > 2 else 'pico_cmake_functions.tsv'
CMAKE_FUNCTION_RE = re.compile(r'^\s*#(.*)((\n\s*#.*)*)\n\s*function\(([^\s]*)', re.MULTILINE)
CMAKE_PICO_FUNCTIONS_RE = re.compile(r'^\s*function\((pico_[^\s\)]*)', re.MULTILINE)
# Files containing internal functions that don't need to be documented publicly
skip_files = set([
"pico_sdk_init.cmake",
"pico_utils.cmake",
"no_hardware.cmake",
"find_compiler.cmake",
])
skip_groups = set([
"src", # skip the root src/CMakeLists.txt
])
# Other internal functions that don't need to be documented publicly
allowed_missing_functions = set([
"pico_init_pioasm",
"pico_init_picotool",
"pico_add_platform_library",
"pico_get_runtime_output_directory",
"pico_set_printf_implementation",
"pico_expand_pico_platform",
])
# Group descriptions
group_names_descriptions = {
'boot_stage2': ('Boot Stage 2', 'CMake functions to create stage 2 bootloaders'),
'pico_binary_info': ('Pico Binary Info', 'CMake functions to add binary info to the output binary'),
'pico_btstack': ('Pico BTstack', 'CMake functions to configure the bluetooth stack'),
'pico_lwip': ('Pico LwIP', 'CMake functions to configure LwIP'),
'pico_cyw43_driver': ('Pico CYW43 Driver', 'CMake functions to configure the CYW43 driver'),
'pico_runtime': ('Pico Runtime', 'CMake functions to configure the runtime environment'),
'pico_standard_link': ('Pico Standard Link', 'CMake functions to configure the linker'),
'pico_stdio': ('Pico Standard I/O', 'CMake functions to configure the standard I/O library'),
'pico_pio': ('Pico PIO', 'CMake functions to generate PIO headers'),
'other': ('Other', 'Other CMake functions'),
}
all_functions = {}
for group, (brief, description) in group_names_descriptions.items():
all_functions['_desc_{group}'.format(group=group)] = {
'name': '_desc_{group}'.format(group=group),
'group': group,
'signature': '',
'brief': brief,
'description': description,
'params': '',
}
# Supported commands:
# \brief\ <brief description, which should be included in the main description>
# \brief_nodesc\ <brief description, which should be excluded from the main description>
# \param\ <parameter_name> <parameter description>
# \ingroup\ <group_name>
#
# Commands in the middle of a line are not supported
#
# The ; character at the end of a line denotes a hard line break in the description
# The \ character (outside of a command) and the # character are not supported in descriptions
def process_commands(description, name, group, signature):
brief = ''
params = []
desc = ''
for line in description.split('\n'):
line = line.strip()
if line.startswith('\\'):
_, command, remainder = line.split('\\', 2)
remainder = remainder.strip()
if command == 'param':
# Parameter name and description
params.append(remainder)
elif command == 'brief':
# Brief description
brief = remainder
desc += brief + '\\n'
elif command == 'brief_nodesc':
# Brief description which should not be included in the main description
brief = remainder
elif command == 'ingroup':
# Group name override
group = remainder
else:
logger.error("{}:{} has unknown command: {}".format(group, name, command))
elif '\\' in line:
logger.error("{}:{} has a line containing '\\': {}".format(group, name, line))
else:
desc += line + '\\n'
# Check that there are no semicolons in the parameter descriptions, as that's the delimiter for the parameter list
if any([';' in x for x in params]):
logger.error("{}:{} has a parameter description containing ';'".format(group, name))
# Check that all parameters are in the signature
signature_words = set(re.split('\W+', signature))
for param in params:
param_name = param.split(' ', maxsplit=1)[0]
if param_name not in signature_words:
logger.error("{}:{} has a parameter {} which is not in the signature {}".format(group, name, param_name, signature))
# Check that the brief description is not empty
if not brief:
logger.warning("{}:{} has no brief description".format(group, name))
# Check that the group has a description
if group not in group_names_descriptions:
logger.error("{} has no group description (referenced from {})".format(group, name))
desc = re.sub(r'^(\\n)*(.*?)(\\n)*$', r'\2', desc)
return desc.strip(), brief, ';'.join(params), group
def sort_functions(item):
group = item['group']
name = item['name']
precedence = 5
if name.startswith('_desc_'):
precedence = 0
elif group == 'other':
if re.match(r'^pico_add_.*_output$', name):
precedence = 1
elif name == 'pico_add_extra_outputs':
precedence = 2
elif re.match(r'^pico_.*_binary$', name):
precedence = 3
return group + str(precedence) + name
# Scan all CMakeLists.txt and .cmake files in the specific path, recursively.
for dirpath, dirnames, filenames in os.walk(scandir):
for filename in filenames:
if filename in skip_files:
continue
# Default group is the directory name - can be overridden by the \ingroup\ command
group = os.path.basename(dirpath)
if group in skip_groups:
continue
if group in ['tools', 'cmake']:
group = 'other'
file_ext = os.path.splitext(filename)[1]
if filename == 'CMakeLists.txt' or file_ext == '.cmake':
file_path = os.path.join(dirpath, filename)
with open(file_path, encoding="ISO-8859-1") as fh:
text = fh.read()
for match in CMAKE_FUNCTION_RE.finditer(text):
name = match.group(4)
signature = match.group(1).strip()
if signature.startswith(name):
description, brief, params, processed_group = process_commands(match.group(2).replace('#', ''), name, group, signature)
new_dict = {
'name': name,
'group': processed_group,
'signature': signature,
'brief': brief,
'description': description,
'params': params
}
if all_functions.get(name):
if new_dict != all_functions[name]:
logger.warning("{}:{} has multiple different definitions - using the new one from {}".format(processed_group, name, file_path))
all_functions[name] = new_dict
for match in CMAKE_PICO_FUNCTIONS_RE.finditer(text):
name = match.group(1)
if name not in all_functions and name not in allowed_missing_functions:
logger.warning("{} function has no description in {}".format(name, file_path))
with open(outfile, 'w', newline='') as csvfile:
fieldnames = ('name', 'group', 'signature', 'brief', 'description', 'params')
writer = csv.DictWriter(csvfile, fieldnames=fieldnames, extrasaction='ignore', dialect='excel-tab')
writer.writeheader()
for row in sorted(all_functions.values(), key=sort_functions):
writer.writerow(row)