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##
# This script includes arduino specific config
##
import os
import platform
Import('env')
def __parse_config(f):
dict = {}
if not os.path.isfile(f):
return dict
file = open(f, 'r')
strs = file.readlines()
for str in strs:
str = str.strip()
if len(str) > 0 and str[0] == '#':
continue
idx = str.find('=')
if idx > 0:
dict.setdefault(str[0:idx], str[idx + 1:])
return dict
def __get_boards(dict):
boards = []
keys = dict.keys()
for key in keys:
idx = key.find('.name')
if idx > 0:
if key.endswith('.name'):
boards.append(key[0:idx])
return boards
def __get_cpu(dict, board):
cpus = []
keys = dict.keys()
for key in keys:
idx = key.find(board + '.menu.cpu.')
start = len(board + '.menu.cpu.')
if idx >= 0:
end = key.find('.', start)
if end > 0:
cpu = key[start:end]
exist = False
for c in cpus:
if c == cpu:
exist = True
break
if not exist:
cpus.append(cpu)
return cpus
def __get_board_info(board, key):
if cpu:
v = boards_info.get(board + '.menu.cpu.' + cpu + key)
if not v:
v = boards_info.get(board + key)
else:
v = boards_info.get(board + key)
return v
def __search_files(path, pattern, ondisk=True, source=True, strings=False, recursive=True):
if not recursive:
return Glob(pattern, ondisk, source, strings)
matches = []
for root, dirnames, filenames in os.walk(path):
matches.extend(Glob(root + '/' + pattern, ondisk, source, strings))
return matches
# To make sure the src is built in 'BUILD_DIR' (by default it will be built at
# the same directory as the .c .cpp .S)
def __src_to_obj(env, srcs):
objs = []
prefix = env.get('BOARD') + '_'
if env.get('CPU'):
prefix += env.get('CPU') + '_'
build_dir = env.get('BUILD_DIR') + '/arduino/'
for src in srcs:
obj = src.path.replace(arduino_home, build_dir)
i = obj.rfind('.')
obj = obj[0:i]
if env.get('OBJSUFFIX'):
obj += env.get('OBJSUFFIX')
objs.extend(env.Object(obj, src, OBJPREFIX=prefix))
return objs
def __import_lib(env, lib):
lib_path = arduino_home + '/libraries/' + lib
if not os.path.exists(lib_path):
if target_arch == 'avr':
lib_path = arduino_home + '/hardware/arduino/avr/libraries/' + lib
else:
lib_path = arduino_home + '/hardware/arduino/sam/libraries/' + lib
if os.path.exists(lib_path + '/src'):
lib_path = lib_path + '/src'
env.AppendUnique(CPPPATH = [lib_path])
if os.path.exists(lib_path + '/utility'):
env.AppendUnique(CPPPATH = [lib_path + '/utility'])
lib_src = []
lib_src.extend(__search_files(lib_path, '*.S'))
lib_src.extend(__search_files(lib_path, '*.c'))
lib_src.extend(__search_files(lib_path, '*.cpp'))
build_dir = env.get('BUILD_DIR')
if build_dir:
lib_a = env.StaticLibrary(build_dir + lib, __src_to_obj(env, lib_src))
else:
lib_a = env.StaticLibrary(lib, __src_to_obj(env, lib_src))
env.AppendUnique(LIBS = [File(lib_a[0])])
def __build_core(env):
core_src = __search_files(core_folder, '*.S')
core_src.extend(__search_files(core_folder, '*.c'))
core_src.extend(__search_files(core_folder, '*.cpp'))
core_src.extend(__search_files(variant_folder, '*.S'))
core_src.extend(__search_files(variant_folder, '*.c'))
core_src.extend(__search_files(variant_folder, '*.cpp'))
core_obj = __src_to_obj(env, core_src)
build_dir = env.get('BUILD_DIR')
if build_dir:
s_core = env.StaticLibrary(build_dir + 'core', core_obj)
else:
s_core = env.StaticLibrary('core', core_obj)
env.AppendUnique(LIBS = [File(s_core[0])])
# To avoid compiler issue. Otherewise there may be warnings:
# undefined reference to '_exit' '_close', '_getpid' ...
# Above functions are used in libc.a and implemented in syscalls_sam3.c
if env.get('TARGET_ARCH') == 'arm':
for obj in core_obj:
if obj.name.endswith('syscalls_sam3.o'):
env.AppendUnique(LIBS = [File(obj)])
def __create_bin(env, source):
name = source
if env.get('TARGET_ARCH') == 'avr':
eep = env.Command(name + '.eep', source, 'avr-objcopy -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 $SOURCE $TARGET')
hex = env.Command(name + '.hex', source, 'avr-objcopy -O ihex -R .eeprom $SOURCE $TARGET')
else:
hex = env.Command(name + '.hex', source, 'arm-none-eabi-objcopy -O binary $SOURCE $TARGET')
# Print the command line that to upload binary to the board
def __upload_help(env):
if target_arch == 'avr':
protocol = __get_board_info(board, '.upload.protocol')
speed = __get_board_info(board, '.upload.speed')
upload_cmd = arduino_home + '/hardware/tools/avr/bin/avrdude -C' + arduino_home +'/hardware/tools/avr/etc/avrdude.conf -v -v -v -v -p' \
+ mcu + ' -c' + protocol + ' -P<serial_port>' + ' -b' + speed + ' -D -Uflash:w:<hex_file>:i'
else:
uu = __get_board_info(board, '.upload.native_usb')
upload_cmd = arduino_home + '/hardware/tools/bossac -i -d --port=<serial_port> -U ' + uu + ' -e -w -v -b <bin file> -R'
Help('''
===============================================================================
You can upload the bin file with following command line:
''')
Help('\n $ ' + upload_cmd)
Help('''
\nPlease replace <xxx> according to the actual situation.
===============================================================================
''')
# ARDUINO_HOME build option
help_vars = Variables()
help_vars.Add(PathVariable('ARDUINO_HOME', 'ARDUINO root directory', os.environ.get('ARDUINO_HOME')))
help_vars.Update(env)
Help(help_vars.GenerateHelpText(env))
target_arch = env.get('TARGET_ARCH')
arduino_home = env.get('ARDUINO_HOME')
if not arduino_home:
print '''
************************************* Error ***********************************
* Arduino root directory isn't set, you can set enviornment variable *
* ARDUINO_HOME or add it in command line as: *
* # scons ARDUINO_HOME=<path to arduino root directory> ... *
*******************************************************************************
'''
Exit(1)
# Overwrite suffixes and prefixes
if env['HOST_OS'] == 'win32':
env['OBJSUFFIX'] = '.o'
env['SHOBJSUFFIX'] = '.os'
env['LIBPREFIX'] = 'lib'
env['LIBSUFFIX'] = '.a'
env['SHLIBPREFIX'] = 'lib'
env['SHLIBSUFFIX'] = '.so'
env['LIBPREFIXES'] = ['lib']
env['LIBSUFFIXES'] = ['.a', '.so']
env['PROGSUFFIX'] = ''
elif platform.system().lower() == 'darwin':
env['SHLIBSUFFIX'] = '.so'
env['LIBSUFFIXES'] = ['.a', '.so']
env['PROGSUFFIX'] = ''
# Debug/release relative flags
if env.get('RELEASE'):
env.AppendUnique(CCFLAGS = ['-Os'])
env.AppendUnique(CPPDEFINES = ['NDEBUG'])
else:
env.AppendUnique(CCFLAGS = ['-g'])
# BOARD / CPU option
# Get IDE version
if os.path.exists(arduino_home + '/lib/version.txt'):
vf = open(arduino_home + '/lib/version.txt', 'r')
version = vf.readline().replace('.', '')
else:
print '''
************************************* Error ***********************************
* Can't find version file (lib/version.txt), please check if (%s)
* is arduino root directory. *
*******************************************************************************
''' % arduino_home
Exit(1)
if version[0:2] == '10':
is_1_0_x = True
boards_info = __parse_config(arduino_home + '/hardware/arduino/boards.txt')
env.PrependENVPath('PATH', arduino_home + '/hardware/tools/avr/bin/')
env.Replace(CC = 'avr-gcc')
env.Replace(CXX = 'avr-g++')
env.Replace(AR = 'avr-ar')
env.Replace(AS = 'avr-as')
env.Replace(LINK = 'avr-gcc')
env.Replace(RANLIB = 'avr-ranlib')
if target_arch != 'avr':
print '''
************************************* Error ***********************************
* Arduino 1.0.x IDE only support 'avr', to support other arch at least 1.5.x *
* is required.
*******************************************************************************
'''
Exit(1)
else:
is_1_0_x = False
if target_arch == 'avr':
boards_info = __parse_config(arduino_home + '/hardware/arduino/avr/boards.txt')
platform_info = __parse_config(arduino_home + '/hardware/arduino/avr/platform.txt')
elif target_arch == 'arm':
boards_info = __parse_config(arduino_home + '/hardware/arduino/sam/boards.txt')
platform_info = __parse_config(arduino_home + '/hardware/arduino/sam/platform.txt')
else:
print '''
************************************* Error ***********************************
* CPU arch %s isn't supported currently.
*******************************************************************************
''' % target_arch
#Board option, let user to select the board
boards = __get_boards(boards_info)
help_vars = Variables()
help_vars.Add(EnumVariable('BOARD', 'arduino board', boards[0], boards))
help_vars.Update(env)
Help(help_vars.GenerateHelpText(env))
#CPU option
board = env.get('BOARD')
cpus = __get_cpu(boards_info, board)
if len(cpus) > 0:
help_vars = Variables()
help_vars.Add(EnumVariable('CPU', 'arduino board cpu', cpus[0], cpus))
help_vars.Update(env)
Help(help_vars.GenerateHelpText(env))
# Arduino commom flags
cpu = env.get('CPU')
board = env.get('BOARD')
mcu = __get_board_info(board, '.build.mcu')
f_cpu = __get_board_info(board, '.build.f_cpu')
usb_vid = __get_board_info(board, '.build.vid')
usb_pid = __get_board_info(board, '.build.pid')
variant = __get_board_info(board, '.build.variant')
if not usb_vid:
usb_vid = __get_board_info(board, '.vid.0')
if not usb_pid:
usb_pid = __get_board_info(board, '.pid.0')
if is_1_0_x:
core_base = arduino_home + '/hardware/arduino/'
else:
if target_arch == 'avr':
core_base = arduino_home + '/hardware/arduino/avr/'
else:
core_base = arduino_home + '/hardware/arduino/sam/'
variant_folder = core_base + 'variants/' + variant
env.AppendUnique(CPPPATH = [variant_folder])
core = __get_board_info(board, '.build.core')
core_folder = core_base + 'cores/' + core + '/'
env.AppendUnique(CPPPATH = [core_folder])
if is_1_0_x:
comm_flags = []
if mcu:
comm_flags.extend(['-mmcu=' + mcu])
if f_cpu:
comm_flags.extend(['-DF_CPU=' + f_cpu])
comm_flags.extend(['-DARDUINO=' + version])
if usb_vid:
comm_flags.extend(['-DUSB_VID=' + usb_vid])
if usb_pid:
comm_flags.extend(['-DUSB_PID=' + usb_pid])
env.AppendUnique(ASFLAGS = ['-x', 'assembler-with-cpp'])
env.AppendUnique(ASFLAGS = comm_flags)
env.AppendUnique(CFLAGS = ['-Os', '-ffunction-sections', '-fdata-sections', '-MMD'])
env.AppendUnique(CFLAGS = comm_flags)
env.AppendUnique(CXXFLAGS = ['-Os', '-fno-exceptions', '-ffunction-sections', '-fdata-sections','-MMD'])
env.AppendUnique(CXXFLAGS = comm_flags)
env.AppendUnique(LINKFLAGS = ['-Os'])
if mcu == 'atmega2560':
env.AppendUnique(LINKFLAGS = ['-Wl,--gc-sections,--relax'])
else:
env.AppendUnique(LINKFLAGS = ['-Wl,--gc-sections'])
env.AppendUnique(LINKFLAGS = ['-mmcu=' + mcu])
else:
if target_arch == 'avr':
cpu_flag = '-mmcu=' + mcu
else:
cpu_flag = '-mcpu=' + mcu
comm_flag = [cpu_flag, '-DF_CPU=' + f_cpu, '-DARDUINO=' + version, '-DARDUINO_' + __get_board_info(board, '.build.board')]
if target_arch == 'arm':
comm_flag.extend(['-DARDUINO_ARCH_SAM'])
else:
comm_flag.extend(['-DARDUINO_ARCH_AVR'])
compiler_path = platform_info.get('compiler.path')
compiler_path = compiler_path.replace('{runtime.ide.path}', arduino_home)
env.PrependENVPath('PATH', compiler_path)
env.Replace(CC = platform_info.get('compiler.c.cmd'))
env.Replace(CXX = platform_info.get('compiler.cpp.cmd'))
env.Replace(AR = platform_info.get('compiler.ar.cmd'))
if target_arch == 'arm':
env.AppendUnique(CPPPATH = [arduino_home + '/hardware/arduino/sam/system/libsam',
arduino_home + '/hardware/arduino/sam/system/CMSIS/CMSIS/Include/',
arduino_home + '/hardware/arduino/sam/system//CMSIS/Device/ATMEL'])
env.AppendUnique(ASFLAGS = ['-x', 'assembler-with-cpp'])
env.AppendUnique(ASFLAGS = comm_flag)
env.AppendUnique(CFLAGS = Split(platform_info.get('compiler.c.flags')))
env.AppendUnique(CXXFLAGS = Split(platform_info.get('compiler.cpp.flags')))
env.AppendUnique(ARFLAGS = Split(platform_info.get('compiler.ar.flags')))
env.AppendUnique(CCFLAGS = comm_flag)
extra_flags = __get_board_info(board, '.build.extra_flags')
if extra_flags:
extra_flags = extra_flags.replace('{build.usb_flags}', '')
env.AppendUnique(CCFLAGS = Split(extra_flags))
usb_flags = ['-DUSB_VID=' + usb_vid, '-DUSB_PID=' + usb_pid, '-DUSBCON', '-DUSB_MANUFACTURER="Unknown"']
env.AppendUnique(CCFLAGS = usb_flags)
if target_arch == 'arm':
env.AppendUnique(LINKFLAGS = ['-Os', '-Wl,--gc-sections', cpu_flag,
'-T' + variant_folder + '/' + __get_board_info(board, '.build.ldscript'),
'-Wl,-Map,' + env.get('BUILD_DIR') + 'arduino_prj.map'])
env.AppendUnique(LINKFLAGS = Split('-lm -lgcc -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--entry=Reset_Handler -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -Wl,--warn-unresolved-symbols -Wl,--start-group'))
variant_system_lib = __get_board_info(board, '.build.variant_system_lib')
if variant_system_lib:
if variant_folder.find(' ') >= 0:
variant_folder = '"' + variant_folder + '"'
env.Replace(LINKCOM = '$LINK -o $TARGET $_LIBDIRFLAGS $LINKFLAGS $SOURCES $_LIBFLAGS '
+ variant_folder + '/' + variant_system_lib + ' -Wl,--end-group')
else:
env.Replace(LINKCOM = '$LINK -o $TARGET $_LIBDIRFLAGS $LINKFLAGS $SOURCES $_LIBFLAGS -Wl,--end-group')
else:
env.AppendUnique(LINKFLAGS = Split(platform_info.get('compiler.c.elf.flags')))
env.AppendUnique(LINKFLAGS = [cpu_flag])
env.AppendUnique(LIBS = 'm')
env.Replace(ARCOM = '$AR ' + platform_info.get('compiler.ar.flags') + ' $TARGET $SOURCES')
__build_core(env)
env.AddMethod(__import_lib, "ImportLib") #import arduino library
#env.AddMethod(__build_core, "BuildCore") #build arduino core
env.AddMethod(__create_bin, "CreateBin") #create binary files(.eep and .hex)
env.AddMethod(__upload_help, "UploadHelp") #print the command line that to upload binary to the boardf
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