diff options
Diffstat (limited to 'upgrade/generate-data.rb')
-rw-r--r-- | upgrade/generate-data.rb | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/upgrade/generate-data.rb b/upgrade/generate-data.rb deleted file mode 100644 index 875870c..0000000 --- a/upgrade/generate-data.rb +++ /dev/null @@ -1,39 +0,0 @@ -require_relative "../ruby/micronucleus.rb" - -data = HexProgram.new(open ARGV.first) - -puts data.instance_variable_get(:@bytes).inspect - -data = data.bytes - -# find start address -start_address = 16 # skip past baked in trampoline - upgrade firmware generates one anyway! -# TODO: Verify jump table? or store it in the upgrade firmware for verbatim installation? -start_address += 1 while data[start_address] == 0xFF - -raise "Seems to be junk data quite early in the bootloader" unless start_address > 100 - -# trim blank padding data from start of data -start_address.times { data.shift } - -# if data is an odd number of bytes make it even -data.push 0xFF while (data.length % 2) != 0 - -puts "Length: #{data.length}" -puts "Start address: #{start_address}" - -File.open "bootloader_data.c", "w" do |file| - file.puts "// This file contains the bootloader data itself and the address to" - file.puts "// install the bootloader" - file.puts "// Use generate-data.rb with ruby 1.9 or 2.0 to generate these" - file.puts "// values from a hex file" - file.puts "// Generated from #{ARGV.first} at #{Time.now} by #{ENV['USER']}" - file.puts "" - file.puts "const uint16_t bootloader_data[#{data.length / 2}] PROGMEM = {" - file.puts data.each_slice(2).map { |big_end, little_end| - "0x#{ ((little_end * 256) + big_end).to_s(16).rjust(4, '0') }" - }.join(', ') - file.puts "};" - file.puts "" - file.puts "uint16_t bootloader_address = #{start_address};" -end
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