build_common/arduino/SConscript

   1 ##
   2 # This script includes arduino specific config
   3 ##
   4 import os
   5 import platform
   6
   7 Import('env')
   8
   9 def __parse_config(f):
  10         dict = {}
  11
  12         if not os.path.isfile(f):
  13                 return dict
  14
  15         file = open(f, 'r')
  16         strs = file.readlines()
  17         for str in strs:
  18                 str = str.strip()
  19                 if len(str) > 0 and str[0] == '#':
  20                         continue
  21
  22                 idx = str.find('=')
  23                 if idx > 0:
  24                         dict.setdefault(str[0:idx], str[idx + 1:])
  25
  26         return dict
  27
  28 def __get_boards(dict):
  29         boards = []
  30         keys = dict.keys()
  31         for key in keys:
  32                 idx = key.find('.name')
  33                 if idx > 0:
  34                         if key.endswith('.name'):
  35                                 boards.append(key[0:idx])
  36         return boards
  37
  38 def __get_cpu(dict, board):
  39         cpus = []
  40         keys = dict.keys()
  41         for key in keys:
  42                 idx = key.find(board + '.menu.cpu.')
  43                 start = len(board + '.menu.cpu.')
  44                 if idx >= 0:
  45                         end = key.find('.', start)
  46                         if end > 0:
  47                                 cpu = key[start:end]
  48                                 exist = False
  49                                 for c in cpus:
  50                                         if c == cpu:
  51                                                 exist = True
  52                                                 break
  53
  54                                 if not exist:
  55                                         cpus.append(cpu)
  56         return cpus
  57
  58 def __get_board_info(board, key):
  59         if cpu:
  60                 v = boards_info.get(board + '.menu.cpu.' + cpu + key)
  61                 if not v:
  62                         v = boards_info.get(board + key)
  63         else:
  64                 v = boards_info.get(board + key)
  65         return v
  66
  67 def __search_files(path, pattern, ondisk=True, source=True, strings=False, recursive=True):
  68         if not recursive:
  69                 return Glob(pattern, ondisk, source, strings)
  70
  71         matches = []
  72         for root, dirnames, filenames in os.walk(path):
  73                 # This is a helper function to build Arduino libraries. Scripts are using this function
  74                 # to add all the files in a folder as compilation targets rather than specifying each
  75                 # file to compile from a Arduino library folder.
  76
  77                 # Since the function is recursive, it adds even "/library/<library-name>/examples" to the
  78                 # compilation list. This is an extra overhead as stack is never going to use ".o" generated
  79                 # for these examples.
  80                 if 'examples' not in root:
  81                         matches.extend(Glob(os.path.join(root, pattern), ondisk, source, strings))
  82         return matches
  83
  84 # To make sure the src is built in 'BUILD_DIR' (by default it will be built at
  85 # the same directory as the .c .cpp .S)
  86 def __src_to_obj(env, srcs):
  87         objs = []
  88         prefix = env.get('BOARD') + '_'
  89         if env.get('CPU'):
  90                 prefix += env.get('CPU') + '_'
  91
  92         build_dir = os.path.join(env.get('BUILD_DIR'), 'arduino')
  93         for src in srcs:
  94                 if (os.path.isabs(src.path)):
  95                         obj = src.path.replace(arduino_home, build_dir)
  96                 else:
  97                         obj = os.path.join(build_dir, src.path)
  98                 i = obj.rfind('.')
  99                 obj = obj[0:i]
 100                 if env.get('OBJSUFFIX'):
 101                         obj += env.get('OBJSUFFIX')
 102                 objs.extend(env.Object(obj, src, OBJPREFIX=prefix))
 103         return objs
 104
 105 def __import_lib(env, lib):
 106         lib_path = os.path.join(arduino_home, 'libraries', lib)
 107         if not os.path.exists(lib_path):
 108                 if target_arch == 'avr':
 109                         lib_path = os.path.join(arduino_home, 'hardware', 'arduino', 'avr', 'libraries', lib)
 110                 else:
 111                         lib_path = os.path.join(arduino_home, 'hardware', 'arduino', 'sam', 'libraries', lib)
 112
 113         if os.path.exists(os.path.join(lib_path, 'src')):
 114                 lib_path = os.path.join(lib_path, 'src')
 115
 116         env.AppendUnique(CPPPATH = [lib_path])
 117
 118         if os.path.exists(os.path.join(lib_path, 'utility')):
 119                 env.AppendUnique(CPPPATH = [os.path.join(lib_path, 'utility')])
 120
 121         lib_src = []
 122         lib_src.extend(__search_files(lib_path, '*.S'))
 123         lib_src.extend(__search_files(lib_path, '*.c'))
 124         lib_src.extend(__search_files(lib_path, '*.cpp'))
 125
 126         lib_obj = __src_to_obj(env, lib_src)
 127         build_dir = env.get('BUILD_DIR')
 128         if build_dir:
 129                 lib_a = env.StaticLibrary(build_dir + lib, lib_obj)
 130         else:
 131                 lib_a = env.StaticLibrary(lib, lib_obj)
 132
 133         # If we link libSPI.a, the final binary is not getting launched
 134         # on the board.  Which is not the case if we directly use SPI.o.
 135
 136         if env.get('TARGET_ARCH') == 'arm':
 137                 if lib == 'SPI':
 138                         for obj in lib_obj:
 139                                 if obj.name.endswith('SPI.o'):
 140                                         env.PrependUnique(LIBS = [File(obj)])
 141                 else:
 142
 143                         env.AppendUnique(LIBS = [File(lib_a[0])])
 144         else:
 145                 env.PrependUnique(LIBS = [File(lib_a[0])])
 146
 147         #env.AppendUnique(LIBS = [File(lib_a[0])])
 148
 149 def __build_core(env):
 150         core_src = __search_files(core_folder, '*.S')
 151         core_src.extend(__search_files(core_folder, '*.c'))
 152         core_src.extend(__search_files(core_folder, '*.cpp'))
 153
 154         core_src.extend(__search_files(variant_folder, '*.S'))
 155         core_src.extend(__search_files(variant_folder, '*.c'))
 156         core_src.extend(__search_files(variant_folder, '*.cpp'))
 157
 158         core_obj = __src_to_obj(env, core_src)
 159
 160         prefix = env.get('BOARD') + '_'
 161         if env.get('CPU'):
 162                 prefix += env.get('CPU') + '_'
 163
 164         core = os.path.join(env.get('BUILD_DIR', '.'), 'arduino', prefix + 'core')
 165         s_core = env.StaticLibrary(core, core_obj)
 166
 167         env.AppendUnique(LIBS = [File(s_core[0])])
 168
 169         # To avoid compiler issue. Otherewise there may be warnings:
 170         #       undefined reference to '_exit' '_close', '_getpid' ...
 171         # Above functions are used in libc.a and implemented in syscalls_sam3.c
 172         if env.get('TARGET_ARCH') == 'arm':
 173                 for obj in core_obj:
 174                         if obj.name.endswith('syscalls_sam3.o'):
 175                                 env.AppendUnique(LIBS = [File(obj)])
 176
 177 def __create_bin(env, source):
 178         name = source
 179         if env.get('TARGET_ARCH') == 'avr':
 180                 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')
 181                 hex = env.Command(name + '.hex', source, 'avr-objcopy -O ihex -R .eeprom $SOURCE $TARGET')
 182         else:
 183                 hex = env.Command(name + '.hex', source, 'arm-none-eabi-objcopy -O binary $SOURCE $TARGET')
 184
 185 #Currently supporting only mega (ie. Arduino ATMega2560) and arduino_due_x/arduino_due_x_dbg (i.e. Arduino Due) builds
 186 def __upload(env, binary):
 187         if target_arch == 'avr':
 188                 protocol = __get_board_info(board, '.upload.protocol')
 189                 speed = __get_board_info(board, '.upload.speed')
 190                 port = '/dev/ttyACM0'
 191                 upload_cmd = arduino_home + '/hardware/tools/avr/bin/avrdude -C' + arduino_home +'/hardware/tools/avr/etc/avrdude.conf -p' \
 192                 + mcu + ' -c' + protocol + ' -P' + port + ' -b' + speed + ' -D -Uflash:w:' + binary + ':i'
 193                 print "Upload command: %s" %upload_cmd
 194                 install_cmd = env.Command('install_cmd', None, upload_cmd)
 195                 env.Default('install_cmd')
 196         elif target_arch == 'arm':
 197                 port = 'ttyACM0'
 198                 upload_cmd = 'stty -F /dev/' + port + ' speed 1200 cs8 -cstopb -parenb \n' + arduino_home + '/hardware/tools/bossac -i --port=' + port + ' -U false -e -w -b ' + binary + ' -R'
 199                 print "Upload command: %s" %upload_cmd
 200                 install_cmd = env.Command('install_cmd', None, upload_cmd)
 201                 env.Default('install_cmd')
 202
 203 # Print the command line that to upload binary to the board
 204 def __upload_help(env):
 205         if target_arch == 'avr':
 206                 protocol = __get_board_info(board, '.upload.protocol')
 207                 speed = __get_board_info(board, '.upload.speed')
 208
 209                 upload_cmd = arduino_home + '/hardware/tools/avr/bin/avrdude -C' + arduino_home +'/hardware/tools/avr/etc/avrdude.conf -v -v -v -v -p' \
 210         + mcu + ' -c' + protocol + ' -P<serial_port>' + ' -b' + speed + ' -D -Uflash:w:<hex_file>:i'
 211         else:
 212                 uu = __get_board_info(board, '.upload.native_usb')
 213                 upload_cmd = arduino_home + '/hardware/tools/bossac -i -d --port=<serial_port> -U ' + uu + ' -e -w -v -b <bin file> -R'
 214
 215         Help('''
 216 ===============================================================================
 217 You can upload the bin file with following command line:
 218 ''')
 219         Help('\n   $ ' + upload_cmd)
 220         Help('''
 221 \nPlease replace <xxx> according to the actual situation.
 222 ===============================================================================
 223 ''')
 224
 225 # ARDUINO_HOME build option
 226 help_vars = Variables()
 227 help_vars.Add(PathVariable('ARDUINO_HOME', 'ARDUINO root directory', os.environ.get('ARDUINO_HOME')))
 228 help_vars.Update(env)
 229 Help(help_vars.GenerateHelpText(env))
 230
 231 target_arch = env.get('TARGET_ARCH')
 232
 233 # Verify that the arduino, time, red bear, and nordic libraries are
 234 # installed.  If not, get them and install them.
 235 SConscript(os.path.join(env.get('SRC_DIR'), 'extlibs', 'arduino', 'SConscript'))
 236 arduino_home = env.get('ARDUINO_HOME')
 237 print 'ARDUINO_HOME = ' + env.get('ARDUINO_HOME')
 238
 239 # Overwrite suffixes and prefixes
 240 if env['HOST_OS'] == 'win32':
 241         env['OBJSUFFIX'] = '.o'
 242         env['SHOBJSUFFIX'] = '.os'
 243         env['LIBPREFIX'] = 'lib'
 244         env['LIBSUFFIX'] = '.a'
 245         env['SHLIBPREFIX'] = 'lib'
 246         env['SHLIBSUFFIX'] = '.so'
 247         env['LIBPREFIXES'] = ['lib']
 248         env['LIBSUFFIXES'] = ['.a', '.so']
 249         env['PROGSUFFIX'] = ''
 250 elif platform.system().lower() == 'darwin':
 251         env['SHLIBSUFFIX'] = '.so'
 252         env['LIBSUFFIXES'] = ['.a', '.so']
 253         env['PROGSUFFIX'] = ''
 254
 255 # Debug/release relative flags
 256 if env.get('RELEASE'):
 257         env.AppendUnique(CCFLAGS = ['-Os'])
 258         env.AppendUnique(CPPDEFINES = ['NDEBUG'])
 259 else:
 260         env.AppendUnique(CCFLAGS = ['-g'])
 261
 262 # BOARD / CPU option
 263
 264 # Get IDE version
 265 if os.path.exists(os.path.join(arduino_home, 'lib', 'version.txt')):
 266         vf = open(os.path.join(arduino_home, 'lib', 'version.txt'), 'r')
 267         version = vf.readline().replace('.', '').strip()
 268 else:
 269         print '''
 270 ************************************* Error ***********************************
 271 * Can't find version file (lib/version.txt), please check if (%s)
 272 * is arduino root directory.                                                  *
 273 *******************************************************************************
 274 ''' % arduino_home
 275         Exit(1)
 276
 277 if version[0:2] == '10':
 278         is_1_0_x = True
 279         boards_info = __parse_config(os.path.join(arduino_home, 'hardware', 'arduino', 'boards.txt'))
 280         env.PrependENVPath('PATH', os.path.join(arduino_home, 'hardware', 'tools', 'avr', 'bin'))
 281         env.Replace(CC = 'avr-gcc')
 282         env.Replace(CXX = 'avr-g++')
 283         env.Replace(AR = 'avr-ar')
 284         env.Replace(AS = 'avr-as')
 285         env.Replace(LINK = 'avr-gcc')
 286         env.Replace(RANLIB = 'avr-ranlib')
 287         if target_arch != 'avr':
 288                 print '''
 289 ************************************* Error ***********************************
 290 * Arduino 1.0.x IDE only support 'avr', to support other arch at least 1.5.x  *
 291 * is required.
 292 *******************************************************************************
 293 '''
 294                 Exit(1)
 295 else:
 296         is_1_0_x = False
 297         if target_arch == 'avr':
 298                 boards_info = __parse_config(os.path.join(arduino_home, 'hardware', 'arduino', 'avr', 'boards.txt'))
 299                 platform_info = __parse_config(os.path.join(arduino_home, 'hardware', 'arduino', 'avr', 'platform.txt'))
 300         elif target_arch == 'arm':
 301                 boards_info = __parse_config(os.path.join(arduino_home, 'hardware', 'arduino', 'sam', 'boards.txt'))
 302                 platform_info = __parse_config(os.path.join(arduino_home, 'hardware', 'arduino', 'sam', 'platform.txt'))
 303         else:
 304                 print '''
 305 ************************************* Error ***********************************
 306 * CPU arch %s isn't supported currently.
 307 *******************************************************************************
 308 ''' % target_arch
 309
 310 #Board option, let user to select the board
 311 boards = __get_boards(boards_info)
 312 help_vars = Variables()
 313 help_vars.Add(EnumVariable('BOARD', 'arduino board', boards[0], boards))
 314 help_vars.Update(env)
 315 Help(help_vars.GenerateHelpText(env))
 316
 317 #CPU option
 318 board = env.get('BOARD')
 319 cpus = __get_cpu(boards_info, board)
 320 if len(cpus) > 0:
 321         help_vars = Variables()
 322         help_vars.Add(EnumVariable('CPU', 'arduino board cpu', cpus[0], cpus))
 323         help_vars.Update(env)
 324         Help(help_vars.GenerateHelpText(env))
 325
 326 # Arduino commom flags
 327 cpu = env.get('CPU')
 328 board = env.get('BOARD')
 329 mcu = __get_board_info(board, '.build.mcu')
 330 f_cpu = __get_board_info(board, '.build.f_cpu')
 331 usb_vid = __get_board_info(board, '.build.vid')
 332 usb_pid = __get_board_info(board, '.build.pid')
 333 variant = __get_board_info(board, '.build.variant')
 334
 335 if not usb_vid:
 336         usb_vid = __get_board_info(board, '.vid.0')
 337 if not usb_pid:
 338         usb_pid = __get_board_info(board, '.pid.0')
 339
 340 if is_1_0_x:
 341         core_base = os.path.join(arduino_home, 'hardware', 'arduino')
 342 else:
 343         if target_arch == 'avr':
 344                 core_base = os.path.join(arduino_home, 'hardware', 'arduino', 'avr')
 345         else:
 346                 core_base = os.path.join(arduino_home, 'hardware', 'arduino', 'sam')
 347
 348 variant_folder = os.path.join(core_base, 'variants', variant)
 349 env.AppendUnique(CPPPATH = [variant_folder])
 350
 351 core = __get_board_info(board, '.build.core')
 352 core_folder = os.path.join(core_base, 'cores', core)
 353 env.AppendUnique(CPPPATH = [core_folder])
 354
 355 if is_1_0_x:
 356         comm_flags = ['-std=c99']
 357         if mcu:
 358                 comm_flags.extend(['-mmcu=' + mcu])
 359         if f_cpu:
 360                 comm_flags.extend(['-DF_CPU=' + f_cpu])
 361         comm_flags.extend(['-DARDUINO=' + version])
 362         if usb_vid:
 363                 comm_flags.extend(['-DUSB_VID=' + usb_vid])
 364         if usb_pid:
 365                 comm_flags.extend(['-DUSB_PID=' + usb_pid])
 366
 367         env.AppendUnique(ASFLAGS = ['-x', 'assembler-with-cpp'])
 368         env.AppendUnique(ASFLAGS = comm_flags)
 369
 370         env.AppendUnique(CFLAGS = ['-Os', '-ffunction-sections', '-fdata-sections', '-MMD'])
 371         env.AppendUnique(CFLAGS = comm_flags)
 372
 373         env.AppendUnique(CXXFLAGS = ['-Os', '-fno-exceptions', '-ffunction-sections', '-fdata-sections','-MMD'])
 374         env.AppendUnique(CXXFLAGS = comm_flags)
 375
 376         env.AppendUnique(LINKFLAGS = ['-Os'])
 377         if mcu == 'atmega2560':
 378                 env.AppendUnique(LINKFLAGS = ['-Wl,--gc-sections,--relax'])
 379         else:
 380                 env.AppendUnique(LINKFLAGS = ['-Wl,--gc-sections'])
 381         env.AppendUnique(LINKFLAGS = ['-mmcu=' + mcu])
 382 else:
 383         if target_arch == 'avr':
 384                 cpu_flag = '-mmcu=' + mcu
 385         else:
 386                 cpu_flag = '-mcpu=' + mcu
 387
 388         comm_flag = [cpu_flag, '-DF_CPU=' + f_cpu, '-DARDUINO=' + version, '-DARDUINO_' + __get_board_info(board, '.build.board')]
 389         if target_arch == 'arm':
 390                 # As of 1.5.8 the arduino headers for arm had _asm_ bugs with ARM and
 391                 # require gnu99 to be used
 392                 comm_flag.extend(['-std=gnu99', '-DARDUINO_ARCH_SAM'])
 393         else:
 394                 comm_flag.extend(['-std=c99', '-DARDUINO_ARCH_AVR'])
 395
 396         compiler_path = platform_info.get('compiler.path')
 397         compiler_path = compiler_path.replace('{runtime.ide.path}', arduino_home)
 398         env.PrependENVPath('PATH', compiler_path)
 399         env.Replace(CC = platform_info.get('compiler.c.cmd'))
 400         env.Replace(CXX = platform_info.get('compiler.cpp.cmd'))
 401         env.Replace(AR = platform_info.get('compiler.ar.cmd'))
 402         if target_arch == 'arm':
 403                 env.AppendUnique(CPPPATH = [os.path.join(arduino_home, 'hardware', 'arduino', 'sam', 'system', 'libsam'),
 404                                                         os.path.join(arduino_home, 'hardware', 'arduino', 'sam', 'system', 'CMSIS', 'CMSIS', 'Include'),
 405                                                         os.path.join(arduino_home, 'hardware', 'arduino', 'sam', 'system', '', 'CMSIS', 'Device', 'ATMEL')])
 406         env.AppendUnique(ASFLAGS = ['-x', 'assembler-with-cpp'])
 407         env.AppendUnique(ASFLAGS = comm_flag)
 408         env.AppendUnique(CFLAGS = Split(platform_info.get('compiler.c.flags')))
 409         env.AppendUnique(CXXFLAGS = Split(platform_info.get('compiler.cpp.flags')))
 410         env.AppendUnique(ARFLAGS = Split(platform_info.get('compiler.ar.flags')))
 411         env.AppendUnique(CCFLAGS = comm_flag)
 412
 413         extra_flags = __get_board_info(board, '.build.extra_flags')
 414         if extra_flags:
 415                 extra_flags = extra_flags.replace('{build.usb_flags}', '')
 416                 env.AppendUnique(CCFLAGS = Split(extra_flags))
 417                 usb_flags = ['-DUSB_VID=' + usb_vid, '-DUSB_PID=' + usb_pid, '-DUSBCON', '-DUSB_MANUFACTURER="Unknown"']
 418                 env.AppendUnique(CCFLAGS = usb_flags)
 419
 420         if target_arch == 'arm':
 421                 env.AppendUnique(LINKFLAGS = ['-Os', '-Wl,--gc-sections', cpu_flag,
 422                                         '-T' + os.path.join(variant_folder,  __get_board_info(board, '.build.ldscript'))])
 423                 env.AppendUnique(LINKFLAGS = Split('-lm -lgcc -mthumb -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'))
 424
 425                 variant_system_lib = __get_board_info(board, '.build.variant_system_lib')
 426                 if variant_system_lib:
 427                         if variant_folder.find(' ') >= 0:
 428                                 variant_folder = '"' + variant_folder + '"'
 429                         env.Replace(LINKCOM = '$LINK -o $TARGET $_LIBDIRFLAGS $LINKFLAGS $SOURCES $_LIBFLAGS '
 430                                         + os.path.join(variant_folder, variant_system_lib) + ' -Wl,--end-group')
 431                 else:
 432                         env.Replace(LINKCOM = '$LINK -o $TARGET $_LIBDIRFLAGS $LINKFLAGS $SOURCES $_LIBFLAGS -Wl,--end-group')
 433         else:
 434                 env.AppendUnique(LINKFLAGS = Split(platform_info.get('compiler.c.elf.flags')))
 435                 env.AppendUnique(LINKFLAGS = [cpu_flag])
 436                 env.AppendUnique(LIBS = 'm')
 437         env.Replace(ARCOM = '$AR ' + platform_info.get('compiler.ar.flags') + ' $TARGET $SOURCES')
 438
 439 # Make sure the .d files are removed when clean the build
 440 if env.GetOption('clean'):
 441         dfs = __search_files(env.get('BUILD_DIR'), '*.d')
 442         for df in dfs:
 443                 Execute(Delete(df))
 444 __build_core(env)
 445
 446 env.AddMethod(__import_lib, "ImportLib") #import arduino library
 447 env.AddMethod(__build_core, "BuildCore") #build arduino core
 448 env.AddMethod(__create_bin, "CreateBin") #create binary files(.eep and .hex)
 449 env.AddMethod(__upload, "Upload") #Upload binary to board
 450 env.AddMethod(__upload_help, "UploadHelp") #print the command line that to upload binary to the boardf