Rakefile

   1 require 'rake'
   2 require 'pathname'
   3 require 'fileutils'
   4
   5 verbose(ENV['verbose'] == '1')
   6 DEBUG = ENV['debug'] == '1'
   7
   8 def pop_path(path)
   9   Pathname(path).each_filename.to_a[1..-1]
  10 end
  11
  12 def obj2src(fn, e)
  13   File.join('src', pop_path(File.dirname(fn)), File.basename(fn).ext(e))
  14 end
  15
  16 def is_windows?
  17   (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM) != nil
  18 end
  19
  20 # Makefile .d file loader to be used with the import file loader.
  21 # this emulates the -include $(DEPFILES) in a Makefile for the generated .d files
  22 class DfileLoader
  23   include Rake::DSL
  24
  25   SPACE_MARK = "\0"
  26
  27   # Load the makefile dependencies in +fn+.
  28   def load(fn)
  29     return if ! File.exists?(fn)
  30     lines = File.read fn
  31     lines.gsub!(/\\ /, SPACE_MARK)
  32     lines.gsub!(/#[^\n]*\n/m, "")
  33     lines.gsub!(/\\\n/, ' ')
  34     lines.each_line do |line|
  35       process_line(line)
  36     end
  37   end
  38
  39   private
  40
  41   # Process one logical line of makefile data.
  42   def process_line(line)
  43     file_tasks, args = line.split(':', 2)
  44     return if args.nil?
  45     dependents = args.split.map { |d| respace(d) }
  46     file_tasks.scan(/\S+/) do |file_task|
  47       file_task = respace(file_task)
  48       file file_task => dependents
  49     end
  50   end
  51
  52   def respace(str)
  53     str.tr SPACE_MARK, ' '
  54   end
  55 end
  56
  57 # Install the handler
  58 Rake.application.add_loader('d', DfileLoader.new)
  59
  60 PROG = 'smoothie'
  61
  62 DEVICE = 'LPC1768'
  63 ARCHITECTURE = 'armv7-m'
  64
  65 MBED_DIR = './mbed/drop'
  66
  67 TOOLSBIN = './gcc-arm-none-eabi/bin/arm-none-eabi-'
  68 CC = "#{TOOLSBIN}gcc"
  69 CCPP = "#{TOOLSBIN}g++"
  70 LD = "#{TOOLSBIN}g++"
  71 OBJCOPY = "#{TOOLSBIN}objcopy"
  72 SIZE = "#{TOOLSBIN}size"
  73
  74 # include a defaults file if present
  75 load 'rakefile.defaults' if File.exists?('rakefile.defaults')
  76
  77 if DEBUG
  78   BUILDTYPE= 'Debug'
  79   ENABLE_DEBUG_MONITOR= '0'
  80 end
  81
  82 # Set build type
  83 BUILDTYPE= ENV['BUILDTYPE'] || 'Checked' unless defined? BUILDTYPE
  84 puts "#{BUILDTYPE} build"
  85
  86 ENABLE_DEBUG_MONITOR = ENV['ENABLE_DEBUG_MONITOR'] || '0' unless defined? ENABLE_DEBUG_MONITOR
  87
  88 # set default baud rate
  89 DEFAULT_SERIAL_BAUD_RATE= ENV['BAUDRATE'] || '115200' unless defined? DEFAULT_SERIAL_BAUD_RATE
  90
  91 # set to true to eliminate all the network code
  92 NONETWORK= false unless defined? NONETWORK
  93
  94 # list of modules to exclude, include directory it is in
  95 EXCLUDE_MODULES= %w(tools/touchprobe) unless defined? EXCLUDE_MODULES
  96
  97 # e.g for a CNC machine
  98 #EXCLUDE_MODULES = %w(tools/touchprobe tools/laser tools/temperaturecontrol tools/extruder)
  99
 100 # generate regex of modules to exclude and defines
 101 exclude_defines, excludes = EXCLUDE_MODULES.collect { |e|  [e.tr('/', '_').upcase, e.sub('/', '\/')] }.transpose
 102
 103 # see if network is enabled
 104 if ENV['NONETWORK'] || NONETWORK
 105   nonetwork= true
 106   excludes << '\/libs\/Network\/'
 107   puts "Excluding Network code"
 108 else
 109   nonetwork= false
 110 end
 111
 112 SRC = FileList['src/**/*.{c,cpp}'].exclude(/#{excludes.join('|')}/)
 113
 114 puts "WARNING Excluding modules: #{EXCLUDE_MODULES.join(' ')}" unless exclude_defines.empty?
 115
 116 OBJDIR = 'OBJ'
 117 OBJ = SRC.collect { |fn| File.join(OBJDIR, pop_path(File.dirname(fn)), File.basename(fn).ext('o')) } +
 118         %W(#{OBJDIR}/configdefault.o #{OBJDIR}/mbed_custom.o)
 119
 120 # list of header dependency files generated by compiler
 121 DEPFILES = OBJ.collect { |fn| File.join(File.dirname(fn), File.basename(fn).ext('d')) }
 122
 123 # create destination directories
 124 SRC.each do |s|
 125   d= File.join(OBJDIR, pop_path(File.dirname(s)))
 126   FileUtils.mkdir_p(d) unless Dir.exists?(d)
 127 end
 128
 129 INCLUDE_DIRS = [Dir.glob(['./src/**/', './mri/**/'])].flatten
 130 MBED_INCLUDE_DIRS = %W(#{MBED_DIR}/ #{MBED_DIR}/LPC1768/)
 131
 132 INCLUDE = (INCLUDE_DIRS+MBED_INCLUDE_DIRS).collect { |d| "-I#{d}" }.join(" ")
 133
 134 if ENABLE_DEBUG_MONITOR == '1'
 135   # Can add MRI_UART_BAUD=115200 to next line if GDB fails to connect to MRI.
 136   # Tends to happen on some Linux distros but not Windows and OS X.
 137   MRI_UART = 'MRI_UART_0'
 138   MRI_BREAK_ON_INIT = 1 unless defined? MRI_BREAK_ON_INIT
 139 else
 140   MRI_UART = 'MRI_UART_0 MRI_UART_SHARE'
 141   MRI_BREAK_ON_INIT = 0 unless defined? MRI_BREAK_ON_INIT
 142 end
 143
 144 # Configure MRI variables based on BUILD_TYPE build type variable.
 145 case BUILDTYPE.downcase
 146 when 'release'
 147   OPTIMIZATION = 2
 148   MRI_ENABLE = 0
 149   MRI_SEMIHOST_STDIO = 0 unless defined? MRI_SEMIHOST_STDIO
 150 when 'debug'
 151   OPTIMIZATION = 0
 152   MRI_ENABLE = 1
 153   MRI_SEMIHOST_STDIO = 1 unless defined? MRI_SEMIHOST_STDIO
 154 when 'checked'
 155   OPTIMIZATION = 2
 156   MRI_ENABLE = 1
 157   MRI_SEMIHOST_STDIO = 1 unless defined? MRI_SEMIHOST_STDIO
 158 end
 159
 160 MRI_ENABLE = 1  unless defined? MRI_ENABLE # set to 0 to disable MRI
 161 MRI_LIB = MRI_ENABLE == 1 ? './mri/mri.ar' : ''
 162 MBED_LIB = "#{MBED_DIR}/LPC1768/GCC_ARM/libmbed.a"
 163
 164 SYS_LIBS = '-lstdc++_s -lsupc++_s -lm -lgcc -lc_s -lgcc -lc_s -lnosys'
 165 LIBS = [MBED_LIB, SYS_LIBS, MRI_LIB].join(' ')
 166
 167 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})
 168
 169 defines = %w(-DCHECKSUM_USE_CPP -D__LPC17XX__  -DTARGET_LPC1768 -DWRITE_BUFFER_DISABLE=0 -DSTACK_SIZE=3072 -DCHECKSUM_USE_CPP)
 170 defines += exclude_defines.collect{|d| "-DNO_#{d}"}
 171 defines += MRI_DEFINES
 172 defines << "-DDEFAULT_SERIAL_BAUD_RATE=#{DEFAULT_SERIAL_BAUD_RATE}"
 173 defines << '-DDEBUG' if OPTIMIZATION == 0
 174 defines << '-DNONETWORK' if nonetwork
 175
 176 DEFINES= defines.join(' ')
 177
 178 # Compiler flags used to enable creation of header dependencies.
 179 DEPFLAGS = '-MMD '
 180 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"
 181 CPPFLAGS = CFLAGS + ' -fno-rtti -std=gnu++11'
 182
 183 MRI_WRAPS = MRI_ENABLE == 1 ? ',--wrap=_read,--wrap=_write,--wrap=semihost_connected' : ''
 184
 185 # Linker script to be used.  Indicates what code should be placed where in memory.
 186 LSCRIPT = "#{MBED_DIR}/LPC1768/GCC_ARM/LPC1768.ld"
 187 LDFLAGS = "-mcpu=cortex-m3 -mthumb -specs=./build/startfile.spec" +
 188     " -Wl,-Map=#{OBJDIR}/smoothie.map,--cref,--gc-sections,--wrap=_isatty,--wrap=malloc,--wrap=realloc,--wrap=free" +
 189     MRI_WRAPS +
 190     " -T#{LSCRIPT}" +
 191     " -u _scanf_float -u _printf_float"
 192
 193 HTTPD_FSDATA = './src/libs/Network/uip/webserver/httpd-fsdata2.h'
 194
 195 # tasks
 196
 197 # generate the header dependencies if they exist
 198 import(*DEPFILES)
 199
 200 task :clean do
 201   FileUtils.rm_rf(OBJDIR)
 202 end
 203
 204 task :realclean => [:clean] do
 205   sh "cd ./mbed;make clean"
 206 end
 207
 208 desc "Build the built-in web pages"
 209 task :webui => [HTTPD_FSDATA]
 210
 211 task :default => [:build]
 212
 213 task :build => [MBED_LIB, :version, "#{PROG}.bin", :size]
 214
 215 task :version do
 216   if is_windows?
 217     VERSION = ' -D__GITVERSIONSTRING__=\"place-holder\"'
 218   else
 219     v1= `git symbolic-ref HEAD 2> /dev/null`
 220     v2= `git log --pretty=format:%h -1`
 221     VERSION = ' -D__GITVERSIONSTRING__=\"' + "#{v1[11..-1].chomp}-#{v2}".chomp + '\"'
 222     FileUtils.touch './src/version.cpp' # we want it compiled everytime
 223   end
 224 end
 225
 226 desc "Upload via DFU"
 227 task :upload do
 228   sh "dfu-util -R -d 1d50:6015 -D #{OBJDIR}/#{PROG}.bin"
 229 end
 230
 231 task :size do
 232   sh "#{SIZE} #{OBJDIR}/#{PROG}.elf"
 233 end
 234
 235 # build internal web page
 236 WEB_SOURCE_FILES= FileList['./src/libs/Network/uip/webserver/httpd-fs-src/**/*']
 237 WEBDIR = './src/libs/Network/uip/webserver/httpd-fs'
 238 file HTTPD_FSDATA => WEB_SOURCE_FILES do
 239   FileUtils.rm_rf WEBDIR
 240   FileUtils.mkdir WEBDIR
 241   FileUtils.cp WEB_SOURCE_FILES, WEBDIR
 242   # TODO minify some files
 243   # sh 'java -jar yuicompressor-2.4.8.jar file -o file'
 244   sh 'cd ./src/libs/Network/uip/webserver; perl makefsdata.pl'
 245   sh 'cd ./src; make'
 246 end
 247
 248 file MBED_LIB do
 249   puts "Building Mbed Using Make"
 250   sh "cd ./mbed;make all"
 251 end
 252
 253 file "#{OBJDIR}/mbed_custom.o" => ['./build/mbed_custom.cpp'] do |t|
 254   puts "Compiling #{t.source}"
 255   sh "#{CCPP} #{CPPFLAGS} #{INCLUDE} #{DEFINES} -c -o #{t.name} #{t.prerequisites[0]}"
 256 end
 257
 258 file "#{OBJDIR}/configdefault.o" => 'src/config.default' do |t|
 259   sh "cd ./src; ../#{OBJCOPY} -I binary -O elf32-littlearm -B arm --readonly-text --rename-section .data=.rodata.configdefault config.default ../#{OBJDIR}/configdefault.o"
 260 end
 261
 262 file "#{PROG}.bin" => ["#{PROG}.elf"] do
 263   sh "#{OBJCOPY} -O binary #{OBJDIR}/#{PROG}.elf #{OBJDIR}/#{PROG}.bin"
 264 end
 265
 266 file "#{PROG}.elf" => OBJ do |t|
 267   puts "Linking #{t.source}"
 268   sh "#{LD} #{LDFLAGS} #{OBJ} #{LIBS}  -o #{OBJDIR}/#{t.name}"
 269 end
 270
 271 #arm-none-eabi-objcopy -R .stack -O ihex ../LPC1768/main.elf ../LPC1768/main.hex
 272 #arm-none-eabi-objdump -d -f -M reg-names-std --demangle ../LPC1768/main.elf >../LPC1768/main.disasm
 273
 274 rule '.o' => lambda{ |objfile| obj2src(objfile, 'cpp') } do |t|
 275   puts "Compiling #{t.source}"
 276   sh "#{CCPP} #{CPPFLAGS} #{INCLUDE} #{DEFINES} #{VERSION} -c -o #{t.name} #{t.source}"
 277 end
 278
 279 rule '.o' => lambda{ |objfile| obj2src(objfile, 'c') } do |t|
 280   puts "Compiling #{t.source}"
 281   sh "#{CC} #{CFLAGS} #{INCLUDE} #{DEFINES} #{VERSION} -c -o #{t.name} #{t.source}"
 282 end
 283