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 to true to eliminate all the network code
  75 NONETWORK= false unless defined? NONETWORK
  76
  77 # list of modules to exclude, include directory it is in
  78 EXCLUDE_MODULES= %w(tools/touchprobe) unless defined? EXCLUDE_MODULES
  79
  80 # e.g for a CNC machine
  81 #EXCLUDE_MODULES = %w(tools/touchprobe tools/laser tools/temperaturecontrol tools/extruder)
  82
  83 # generate regex of modules to exclude and defines
  84 exclude_defines, excludes = EXCLUDE_MODULES.collect { |e|  [e.tr('/', '_').upcase, e.sub('/', '\/')] }.transpose
  85
  86 # see if network is enabled
  87 if ENV['NONETWORK'] || NONETWORK
  88   nonetwork= true
  89   excludes << '\/libs\/Network\/'
  90   puts "Excluding Network code"
  91 else
  92   nonetwork= false
  93 end
  94
  95 SRC = FileList['src/**/*.{c,cpp}'].exclude(/#{excludes.join('|')}/)
  96
  97 puts "WARNING Excluding modules: #{EXCLUDE_MODULES.join(' ')}" unless exclude_defines.empty?
  98
  99 OBJDIR = 'OBJ'
 100 OBJ = SRC.collect { |fn| File.join(OBJDIR, pop_path(File.dirname(fn)), File.basename(fn).ext('o')) } +
 101         %W(#{OBJDIR}/configdefault.o #{OBJDIR}/mbed_custom.o)
 102
 103 # list of header dependency files generated by compiler
 104 DEPFILES = OBJ.collect { |fn| File.join(File.dirname(fn), File.basename(fn).ext('d')) }
 105
 106 # create destination directories
 107 SRC.each do |s|
 108   d= File.join(OBJDIR, pop_path(File.dirname(s)))
 109   FileUtils.mkdir_p(d) unless Dir.exists?(d)
 110 end
 111
 112 INCLUDE_DIRS = [Dir.glob(['./src/**/', './mri/**/'])].flatten
 113 MBED_INCLUDE_DIRS = %W(#{MBED_DIR}/ #{MBED_DIR}/LPC1768/)
 114
 115 INCLUDE = (INCLUDE_DIRS+MBED_INCLUDE_DIRS).collect { |d| "-I#{d}" }.join(" ")
 116
 117 MRI_ENABLE = true # set to false to disable MRI
 118 MRI_LIB = MRI_ENABLE ? './mri/mri.ar' : ''
 119 MBED_LIB = "#{MBED_DIR}/LPC1768/GCC_ARM/libmbed.a"
 120 SYS_LIBS = '-lstdc++_s -lsupc++_s -lm -lgcc -lc_s -lgcc -lc_s -lnosys'
 121 LIBS = [MBED_LIB, SYS_LIBS, MRI_LIB].join(' ')
 122
 123 MRI_DEFINES = MRI_ENABLE ? %w(-DMRI_ENABLE=1 -DMRI_INIT_PARAMETERS='"MRI_UART_0 MRI_UART_SHARE"' -DMRI_BREAK_ON_INIT=0 -DMRI_SEMIHOST_STDIO=0) : %w(-DMRI_ENABLE=0)
 124
 125 defines = %w(-DCHECKSUM_USE_CPP -D__LPC17XX__  -DTARGET_LPC1768 -DWRITE_BUFFER_DISABLE=0 -DSTACK_SIZE=3072 -DCHECKSUM_USE_CPP)
 126 defines += exclude_defines.collect{|d| "-DNO_#{d}"}
 127 defines += MRI_DEFINES
 128
 129 defines << '-DNONETWORK' if nonetwork
 130
 131 DEFINES= defines.join(' ')
 132
 133 # Compiler flags used to enable creation of header dependencies.
 134 DEPFLAGS = '-MMD '
 135 CFLAGS = DEPFLAGS + '-Wall -Wextra -Wno-unused-parameter -Wcast-align -Wpointer-arith -Wredundant-decls -Wcast-qual -Wcast-align -O2 -g3 -mcpu=cortex-m3 -mthumb -mthumb-interwork -ffunction-sections -fdata-sections  -fno-exceptions -fno-delete-null-pointer-checks'
 136 CPPFLAGS = CFLAGS + ' -fno-rtti -std=gnu++11'
 137
 138 MRI_WRAPS = MRI_ENABLE ? ',--wrap=_read,--wrap=_write,--wrap=semihost_connected' : ''
 139
 140 # Linker script to be used.  Indicates what code should be placed where in memory.
 141 LSCRIPT = "#{MBED_DIR}/LPC1768/GCC_ARM/LPC1768.ld"
 142 LDFLAGS = "-mcpu=cortex-m3 -mthumb -specs=./build/startfile.spec" +
 143     " -Wl,-Map=#{OBJDIR}/smoothie.map,--cref,--gc-sections,--wrap=_isatty,--wrap=malloc,--wrap=realloc,--wrap=free" +
 144     MRI_WRAPS +
 145     " -T#{LSCRIPT}" +
 146     " -u _scanf_float -u _printf_float"
 147
 148 HTTPD_FSDATA = './src/libs/Network/uip/webserver/httpd-fsdata2.h'
 149
 150 # tasks
 151
 152 # generate the header dependencies if they exist
 153 import(*DEPFILES)
 154
 155 task :clean do
 156   FileUtils.rm_rf(OBJDIR)
 157 end
 158
 159 task :realclean => [:clean] do
 160   sh "cd ./mbed;make clean"
 161 end
 162
 163 desc "Build the built-in web pages"
 164 task :webui => [HTTPD_FSDATA]
 165
 166 task :default => [:build]
 167
 168 task :build => [MBED_LIB, :version, "#{PROG}.bin", :size]
 169
 170 task :version do
 171   if is_windows?
 172     VERSION = ' -D__GITVERSIONSTRING__=\"place-holder\"'
 173   else
 174     v1= `git symbolic-ref HEAD 2> /dev/null`
 175     v2= `git log --pretty=format:%h -1`
 176     VERSION = ' -D__GITVERSIONSTRING__=\"' + "#{v1[11..-1].chomp}-#{v2}".chomp + '\"'
 177     FileUtils.touch './src/version.cpp' # we want it compiled everytime
 178   end
 179 end
 180
 181 desc "Upload via DFU"
 182 task :upload do
 183   sh "dfu-util -R -d 1d50:6015 -D #{OBJDIR}/#{PROG}.bin"
 184 end
 185
 186 task :size do
 187   sh "#{SIZE} #{OBJDIR}/#{PROG}.elf"
 188 end
 189
 190 # build internal web page
 191 WEB_SOURCE_FILES= FileList['./src/libs/Network/uip/webserver/httpd-fs-src/**/*']
 192 WEBDIR = './src/libs/Network/uip/webserver/httpd-fs'
 193 file HTTPD_FSDATA => WEB_SOURCE_FILES do
 194   FileUtils.rm_rf WEBDIR
 195   FileUtils.mkdir WEBDIR
 196   FileUtils.cp WEB_SOURCE_FILES, WEBDIR
 197   # TODO minify some files
 198   # sh 'java -jar yuicompressor-2.4.8.jar file -o file'
 199   sh 'cd ./src/libs/Network/uip/webserver; perl makefsdata.pl'
 200   sh 'cd ./src; make'
 201 end
 202
 203 file MBED_LIB do
 204   puts "Building Mbed Using Make"
 205   sh "cd ./mbed;make all"
 206 end
 207
 208 file "#{OBJDIR}/mbed_custom.o" => ['./build/mbed_custom.cpp'] do |t|
 209   puts "Compiling #{t.source}"
 210   sh "#{CCPP} #{CPPFLAGS} #{INCLUDE} #{DEFINES} -c -o #{t.name} #{t.prerequisites[0]}"
 211 end
 212
 213 file "#{OBJDIR}/configdefault.o" => 'src/config.default' do |t|
 214   sh "cd ./src; ../#{OBJCOPY} -I binary -O elf32-littlearm -B arm --readonly-text --rename-section .data=.rodata.configdefault config.default ../#{OBJDIR}/configdefault.o"
 215 end
 216
 217 file "#{PROG}.bin" => ["#{PROG}.elf"] do
 218   sh "#{OBJCOPY} -O binary #{OBJDIR}/#{PROG}.elf #{OBJDIR}/#{PROG}.bin"
 219 end
 220
 221 file "#{PROG}.elf" => OBJ do |t|
 222   puts "Linking #{t.source}"
 223   sh "#{LD} #{LDFLAGS} #{OBJ} #{LIBS}  -o #{OBJDIR}/#{t.name}"
 224 end
 225
 226 #arm-none-eabi-objcopy -R .stack -O ihex ../LPC1768/main.elf ../LPC1768/main.hex
 227 #arm-none-eabi-objdump -d -f -M reg-names-std --demangle ../LPC1768/main.elf >../LPC1768/main.disasm
 228
 229 rule '.o' => lambda{ |objfile| obj2src(objfile, 'cpp') } do |t|
 230   puts "Compiling #{t.source}"
 231   sh "#{CCPP} #{CPPFLAGS} #{INCLUDE} #{DEFINES} #{VERSION} -c -o #{t.name} #{t.source}"
 232 end
 233
 234 rule '.o' => lambda{ |objfile| obj2src(objfile, 'c') } do |t|
 235   puts "Compiling #{t.source}"
 236   sh "#{CC} #{CFLAGS} #{INCLUDE} #{DEFINES} #{VERSION} -c -o #{t.name} #{t.source}"
 237 end
 238