Class: Spi_read

Inherits:
Qt::Widget
  • Object
show all
Defined in:
lib/class/spi/Spi_read.rb

Instance Method Summary collapse

Constructor Details

#initialize(chip) ⇒ Spi_read

Returns a new instance of Spi_read.



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# File 'lib/class/spi/Spi_read.rb', line 15

def initialize(chip)
  super()
  @view = Ui_Generic_read.new
  centerWindow(self)
  @view.setupUi(self)
  @view.lbl_chip.setText(chip.reference)
  inputRestrict(@view.lie_start, 0)
  inputRestrict(@view.lie_stop, 0)
  @chip = chip
  @speeds = {
    '25.00' => 3,
    '18.75' => 4,
    '15.00' => 5,
    '12.50' => 6,
    '10.71' => 7,
    '9.38'  => 8,
    '7.50'  => 10,
    '5.00'  => 15,
    '3.95'  => 19,
    '3.00'  => 25,
    '2.03'  => 37,
    '1.00'  => 75,
    '0.50'  => 150,
    '0.29'  => 255
  }
end

Instance Method Details

#control_read_settings(type) ⇒ Object 



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# File 'lib/class/spi/Spi_read.rb', line 89

def control_read_settings(type)
  return ErrorMsg.new.settings_missing   if @chip.spi_setting.nil?
  return ErrorMsg.new.frequency_missing  if @chip.spi_setting.frequency.nil?
  return ErrorMsg.new.mode_missing       if @chip.spi_setting.command_read.nil?
  return ErrorMsg.new.full_size_error    if @chip.spi_setting.total_size.nil?
  return ErrorMsg.new.full_size_error    if @chip.spi_setting.total_size.zero?
  if type == 'partial'
    return ErrorMsg.new.start_stop_missing if @view.lie_start.text.empty?
    return ErrorMsg.new.start_stop_missing if @view.lie_stop.text.empty?
    start = @view.lie_start.text.to_i
    stop = @view.lie_stop.text.to_i
    total_size = @chip.spi_setting.total_size
    return ErrorMsg.new.start_neq_stop    if start == stop
    return ErrorMsg.new.start_inf_to_stop if start > stop
    return ErrorMsg.new.inf_to_total_size if start > (total_size - 1)
    return ErrorMsg.new.inf_to_total_size if stop > (total_size - 1)
  end
  return true
end

#read ⇒ Object 



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# File 'lib/class/spi/Spi_read.rb', line 52

def read
  return ErrorMsg.new.hardsploit_not_found unless HardsploitAPI.getNumberOfBoardAvailable > 0
  $file = File.open("#{@filepath}", 'w') unless @filepath.nil?
  if @view.rbn_full.isChecked
    return false unless control_read_settings('full')
    start   = 0
    stop    = @chip.spi_setting.total_size - 1
    control = @chip.spi_setting.total_size
  else
    return false unless control_read_settings('partial')
    start   = @view.lie_start.text.to_i
    stop    = @view.lie_stop.text.to_i
    control = (stop - start) + 1
  end
  Firmware.new('SPI')
  $pgb = Progress_bar.new("SPI: Reading...")
  $pgb.show
  spi = HardsploitAPI_SPI.new(
    speed: @speeds[@chip.spi_setting.frequency],
    mode:  @chip.spi_setting.mode
  )
  spi.spi_Generic_Dump(
    readSpiCommand: @chip.spi_setting.command_read,
    startAddress:   start,
    stopAddress:    stop,
    sizeMax:        @chip.spi_setting.total_size.to_i
  )
  $file.close unless $file.nil?
  ErrorMsg.new.filesize_error unless control == File.size(@filepath)
rescue HardsploitAPI::ERROR::HARDSPLOIT_NOT_FOUND
  ErrorMsg.new.hardsploit_not_found
rescue HardsploitAPI::ERROR::USB_ERROR
  ErrorMsg.new.usb_error
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#select_read_file ⇒ Object 



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# File 'lib/class/spi/Spi_read.rb', line 42

def select_read_file
  @filepath = Qt::FileDialog.getSaveFileName(self, tr('Select a file'), '/', tr('*.*'))
  unless @filepath.nil?
    @view.btn_read.setEnabled(true)
    @view.lbl_selected_file.setText("#{@filepath.split("/").last}")
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end