Rakefile

   1 require 'rake'
   2 require 'pathname'
   3 require 'fileutils'
   4
   5 def pop_path(path)
   6   Pathname(path).each_filename.to_a[1..-1]
   7 end
   8
   9 def obj2src(fn, e)
  10   File.join('src', pop_path(File.dirname(fn)), File.basename(fn).ext(e))
  11 end
  12
  13 def is_windows?
  14   (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM) != nil
  15 end
  16
  17 # Makefile .d file loader to be used with the import file loader.
  18 # this emulates the -include $(DEPFILES) in a Makefile for the generated .d files
  19 class DfileLoader
  20   include Rake::DSL
  21
  22   SPACE_MARK = "\0"
  23
  24   # Load the makefile dependencies in +fn+.
  25   def load(fn)
  26     return if ! File.exists?(fn)
  27     lines = File.read fn
  28     lines.gsub!(/\\ /, SPACE_MARK)
  29     lines.gsub!(/#[^\n]*\n/m, "")
  30     lines.gsub!(/\\\n/, ' ')
  31     lines.each_line do |line|
  32       process_line(line)
  33     end
  34   end
  35
  36   private
  37
  38   # Process one logical line of makefile data.
  39   def process_line(line)
  40     file_tasks, args = line.split(':', 2)
  41     return if args.nil?
  42     dependents = args.split.map { |d| respace(d) }
  43     file_tasks.scan(/\S+/) do |file_task|
  44       file_task = respace(file_task)
  45       file file_task => dependents
  46     end
  47   end
  48
  49   def respace(str)
  50     str.tr SPACE_MARK, ' '
  51   end
  52 end
  53
  54 # Install the handler
  55 Rake.application.add_loader('d', DfileLoader.new)
  56
  57 PROG = 'smoothie'
  58
  59 DEVICE = 'LPC1768'
  60 ARCHITECTURE = 'armv7-m'
  61
  62 MBED_DIR = './mbed/drop'
  63
  64 TOOLSBIN = './gcc-arm-none-eabi/bin/arm-none-eabi-'
  65 CC = "#{TOOLSBIN}gcc"
  66 CCPP = "#{TOOLSBIN}g++"
  67 LD = "#{TOOLSBIN}g++"
  68 OBJCOPY = "#{TOOLSBIN}objcopy"
  69 SIZE = "#{TOOLSBIN}size"
  70
  71 # include a defaults file if present
  72 load 'rakefile.defaults' if File.exists?('rakefile.defaults')
  73
  74 # Set build type
  75 BUILDTYPE= ENV['BUILDTYPE'] || 'Checked' unless defined? BUILDTYPE
  76 puts "#{BUILDTYPE} build"
  77
  78 ENABLE_DEBUG_MONITOR = ENV['ENABLE_DEBUG_MONITOR'] || '0' unless defined? ENABLE_DEBUG_MONITOR
  79
  80 # set default baud rate
  81 DEFAULT_SERIAL_BAUD_RATE= ENV['BAUDRATE'] || '115200' unless defined? DEFAULT_SERIAL_BAUD_RATE
  82
  83 # set to true to eliminate all the network code
  84 NONETWORK= false unless defined? NONETWORK
  85
  86 # list of modules to exclude, include directory it is in
  87 EXCLUDE_MODULES= %w(tools/touchprobe) unless defined? EXCLUDE_MODULES
  88
  89 # e.g for a CNC machine
  90 #EXCLUDE_MODULES = %w(tools/touchprobe tools/laser tools/temperaturecontrol tools/extruder)
  91
  92 # generate regex of modules to exclude and defines
  93 exclude_defines, excludes = EXCLUDE_MODULES.collect { |e|  [e.tr('/', '_').upcase, e.sub('/', '\/')] }.transpose
  94
  95 # see if network is enabled
  96 if ENV['NONETWORK'] || NONETWORK
  97   nonetwork= true
  98   excludes << '\/libs\/Network\/'
  99   puts "Excluding Network code"
 100 else
 101   nonetwork= false
 102 end
 103
 104 SRC = FileList['src/**/*.{c,cpp}'].exclude(/#{excludes.join('|')}/)
 105
 106 puts "WARNING Excluding modules: #{EXCLUDE_MODULES.join(' ')}" unless exclude_defines.empty?
 107
 108 OBJDIR = 'OBJ'
 109 OBJ = SRC.collect { |fn| File.join(OBJDIR, pop_path(File.dirname(fn)), File.basename(fn).ext('o')) } +
 110         %W(#{OBJDIR}/configdefault.o #{OBJDIR}/mbed_custom.o)
 111
 112 # list of header dependency files generated by compiler
 113 DEPFILES = OBJ.collect { |fn| File.join(File.dirname(fn), File.basename(fn).ext('d')) }
 114
 115 # create destination directories
 116 SRC.each do |s|
 117   d= File.join(OBJDIR, pop_path(File.dirname(s)))
 118   FileUtils.mkdir_p(d) unless Dir.exists?(d)
 119 end
 120
 121 INCLUDE_DIRS = [Dir.glob(['./src/**/', './mri/**/'])].flatten
 122 MBED_INCLUDE_DIRS = %W(#{MBED_DIR}/ #{MBED_DIR}/LPC1768/)
 123
 124 INCLUDE = (INCLUDE_DIRS+MBED_INCLUDE_DIRS).collect { |d| "-I#{d}" }.join(" ")
 125
 126 if ENABLE_DEBUG_MONITOR == '1'
 127   # Can add MRI_UART_BAUD=115200 to next line if GDB fails to connect to MRI.
 128   # Tends to happen on some Linux distros but not Windows and OS X.
 129   MRI_UART = 'MRI_UART_0'
 130   MRI_BREAK_ON_INIT = 1 unless defined? MRI_BREAK_ON_INIT
 131 else
 132   MRI_UART = 'MRI_UART_0 MRI_UART_SHARE'
 133   MRI_BREAK_ON_INIT = 0 unless defined? MRI_BREAK_ON_INIT
 134 end
 135
 136 # Configure MRI variables based on BUILD_TYPE build type variable.
 137 case BUILDTYPE.downcase
 138 when 'release'
 139   OPTIMIZATION = 2
 140   MRI_ENABLE = 0
 141   MRI_SEMIHOST_STDIO = 0 unless defined? MRI_SEMIHOST_STDIO
 142 when 'debug'
 143   OPTIMIZATION = 0
 144   MRI_ENABLE = 1
 145   MRI_SEMIHOST_STDIO = 1 unless defined? MRI_SEMIHOST_STDIO
 146 when 'checked'
 147   OPTIMIZATION = 2
 148   MRI_ENABLE = 1
 149   MRI_SEMIHOST_STDIO = 1 unless defined? MRI_SEMIHOST_STDIO
 150 end
 151
 152 MRI_ENABLE = 1  unless defined? MRI_ENABLE # set to 0 to disable MRI
 153 MRI_LIB = MRI_ENABLE == 1 ? './mri/mri.ar' : ''
 154 MBED_LIB = "#{MBED_DIR}/LPC1768/GCC_ARM/libmbed.a"
 155
 156 SYS_LIBS = '-lstdc++_s -lsupc++_s -lm -lgcc -lc_s -lgcc -lc_s -lnosys'
 157 LIBS = [MBED_LIB, SYS_LIBS, MRI_LIB].join(' ')
 158
 159 MRI_DEFINES = %W(-DMRI_ENABLE=#{MRI_ENABLE} -DMRI_INIT_PARAMETERS='"#{MRI_UART}"' -DMRI_BREAK_ON_INIT=#{MRI_BREAK_ON_INIT} -DMRI_SEMIHOST_STDIO=#{MRI_SEMIHOST_STDIO})
 160
 161 defines = %w(-DCHECKSUM_USE_CPP -D__LPC17XX__  -DTARGET_LPC1768 -DWRITE_BUFFER_DISABLE=0 -DSTACK_SIZE=3072 -DCHECKSUM_USE_CPP)
 162 defines += exclude_defines.collect{|d| "-DNO_#{d}"}
 163 defines += MRI_DEFINES
 164 defines << "-DDEFAULT_SERIAL_BAUD_RATE=#{DEFAULT_SERIAL_BAUD_RATE}"
 165 defines << '-DDEBUG' if OPTIMIZATION == 0
 166 defines << '-DNONETWORK' if nonetwork
 167
 168 DEFINES= defines.join(' ')
 169
 170 # Compiler flags used to enable creation of header dependencies.
 171 DEPFLAGS = '-MMD '
 172 CFLAGS = DEPFLAGS + "-Wall -Wextra -Wno-unused-parameter -Wcast-align -Wpointer-arith -Wredundant-decls -Wcast-qual -Wcast-align -O#{OPTIMIZATION} -g3 -mcpu=cortex-m3 -mthumb -mthumb-interwork -ffunction-sections -fdata-sections  -fno-exceptions -fno-delete-null-pointer-checks"
 173 CPPFLAGS = CFLAGS + ' -fno-rtti -std=gnu++11'
 174
 175 MRI_WRAPS = MRI_ENABLE == 1 ? ',--wrap=_read,--wrap=_write,--wrap=semihost_connected' : ''
 176
 177 # Linker script to be used.  Indicates what code should be placed where in memory.
 178 LSCRIPT = "#{MBED_DIR}/LPC1768/GCC_ARM/LPC1768.ld"
 179 LDFLAGS = "-mcpu=cortex-m3 -mthumb -specs=./build/startfile.spec" +
 180     " -Wl,-Map=#{OBJDIR}/smoothie.map,--cref,--gc-sections,--wrap=_isatty,--wrap=malloc,--wrap=realloc,--wrap=free" +
 181     MRI_WRAPS +
 182     " -T#{LSCRIPT}" +
 183     " -u _scanf_float -u _printf_float"
 184
 185 HTTPD_FSDATA = './src/libs/Network/uip/webserver/httpd-fsdata2.h'
 186
 187 # tasks
 188
 189 # generate the header dependencies if they exist
 190 import(*DEPFILES)
 191
 192 task :clean do
 193   FileUtils.rm_rf(OBJDIR)
 194 end
 195
 196 task :realclean => [:clean] do
 197   sh "cd ./mbed;make clean"
 198 end
 199
 200 desc "Build the built-in web pages"
 201 task :webui => [HTTPD_FSDATA]
 202
 203 task :default => [:build]
 204
 205 task :build => [MBED_LIB, :version, "#{PROG}.bin", :size]
 206
 207 task :version do
 208   if is_windows?
 209     VERSION = ' -D__GITVERSIONSTRING__=\"place-holder\"'
 210   else
 211     v1= `git symbolic-ref HEAD 2> /dev/null`
 212     v2= `git log --pretty=format:%h -1`
 213     VERSION = ' -D__GITVERSIONSTRING__=\"' + "#{v1[11..-1].chomp}-#{v2}".chomp + '\"'
 214     FileUtils.touch './src/version.cpp' # we want it compiled everytime
 215   end
 216 end
 217
 218 desc "Upload via DFU"
 219 task :upload do
 220   sh "dfu-util -R -d 1d50:6015 -D #{OBJDIR}/#{PROG}.bin"
 221 end
 222
 223 task :size do
 224   sh "#{SIZE} #{OBJDIR}/#{PROG}.elf"
 225 end
 226
 227 # build internal web page
 228 WEB_SOURCE_FILES= FileList['./src/libs/Network/uip/webserver/httpd-fs-src/**/*']
 229 WEBDIR = './src/libs/Network/uip/webserver/httpd-fs'
 230 file HTTPD_FSDATA => WEB_SOURCE_FILES do
 231   FileUtils.rm_rf WEBDIR
 232   FileUtils.mkdir WEBDIR
 233   FileUtils.cp WEB_SOURCE_FILES, WEBDIR
 234   # TODO minify some files
 235   # sh 'java -jar yuicompressor-2.4.8.jar file -o file'
 236   sh 'cd ./src/libs/Network/uip/webserver; perl makefsdata.pl'
 237   sh 'cd ./src; make'
 238 end
 239
 240 file MBED_LIB do
 241   puts "Building Mbed Using Make"
 242   sh "cd ./mbed;make all"
 243 end
 244
 245 file "#{OBJDIR}/mbed_custom.o" => ['./build/mbed_custom.cpp'] do |t|
 246   puts "Compiling #{t.source}"
 247   sh "#{CCPP} #{CPPFLAGS} #{INCLUDE} #{DEFINES} -c -o #{t.name} #{t.prerequisites[0]}"
 248 end
 249
 250 file "#{OBJDIR}/configdefault.o" => 'src/config.default' do |t|
 251   sh "cd ./src; ../#{OBJCOPY} -I binary -O elf32-littlearm -B arm --readonly-text --rename-section .data=.rodata.configdefault config.default ../#{OBJDIR}/configdefault.o"
 252 end
 253
 254 file "#{PROG}.bin" => ["#{PROG}.elf"] do
 255   sh "#{OBJCOPY} -O binary #{OBJDIR}/#{PROG}.elf #{OBJDIR}/#{PROG}.bin"
 256 end
 257
 258 file "#{PROG}.elf" => OBJ do |t|
 259   puts "Linking #{t.source}"
 260   sh "#{LD} #{LDFLAGS} #{OBJ} #{LIBS}  -o #{OBJDIR}/#{t.name}"
 261 end
 262
 263 #arm-none-eabi-objcopy -R .stack -O ihex ../LPC1768/main.elf ../LPC1768/main.hex
 264 #arm-none-eabi-objdump -d -f -M reg-names-std --demangle ../LPC1768/main.elf >../LPC1768/main.disasm
 265
 266 rule '.o' => lambda{ |objfile| obj2src(objfile, 'cpp') } do |t|
 267   puts "Compiling #{t.source}"
 268   sh "#{CCPP} #{CPPFLAGS} #{INCLUDE} #{DEFINES} #{VERSION} -c -o #{t.name} #{t.source}"
 269 end
 270
 271 rule '.o' => lambda{ |objfile| obj2src(objfile, 'c') } do |t|
 272   puts "Compiling #{t.source}"
 273   sh "#{CC} #{CFLAGS} #{INCLUDE} #{DEFINES} #{VERSION} -c -o #{t.name} #{t.source}"
 274 end
 275