Class: I2c_settings

Inherits:
Qt::Widget
  • Object
show all
Defined in:
lib/class/I2C/I2c_settings.rb

Instance Method Summary collapse

Constructor Details

#initialize(chip) ⇒ I2c_settings

Returns a new instance of I2c_settings.



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# File 'lib/class/I2C/I2c_settings.rb', line 13

def initialize(chip)
  super()
  @view = Ui_I2c_settings.new
  centerWindow(self)
  @view.setupUi(self)
  @view.lbl_chip.setText(chip.reference)
  inputRestrict(@view.lie_total_size,         0)
  inputRestrict(@view.lie_page_size,          0)
  inputRestrict(@view.lie_write_page_latency, 0)
  inputRestrict(@view.lie_address_r,          3)
  inputRestrict(@view.lie_address_w,          3)
  @view.tbl_bus_scan.resizeColumnsToContents
  @view.tbl_bus_scan.resizeRowsToContents
  @view.tbl_bus_scan.horizontalHeader.stretchLastSection = true
  @chip = chip
  feed_settings_form unless @chip.i2c_setting.nil?
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

Instance Method Details

#bus_scan ⇒ Object 



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# File 'lib/class/I2C/I2c_settings.rb', line 90

def bus_scan
  @view.tbl_bus_scan.setRowCount(0)
  Firmware.new('I2C')
  speed = 0
  if [40, 100, 400, 1000].include?(@chip.i2c_setting.frequency)
    speed = 0 if @chip.i2c_setting.frequency == 100
    speed = 1 if @chip.i2c_setting.frequency == 400
    speed = 2 if @chip.i2c_setting.frequency == 1000
    speed = 3 if @chip.i2c_setting.frequency == 40
  end
  i2c = HardsploitAPI_I2C.new(speed: speed)
  scan_result = i2c.i2c_Scan
  if scan_result.include?(1)
    scan_result.each_with_index do |v, i|
      if v == 1
        @view.tbl_bus_scan.insertRow(@view.tbl_bus_scan.rowCount)
        @view.tbl_bus_scan.setItem(
          @view.tbl_bus_scan.rowCount - 1,
          0,
          Qt::TableWidgetItem.new("0x#{i.to_s(16).upcase}")
        )
        if i % 2 == 0
          @view.tbl_bus_scan.setItem(
            @view.tbl_bus_scan.rowCount - 1,
            1,
            Qt::TableWidgetItem.new('Write')
          )
        else
          @view.tbl_bus_scan.setItem(
            @view.tbl_bus_scan.rowCount - 1,
            1,
            Qt::TableWidgetItem.new('Read')
          )
        end
      end
    end
    @view.tbl_bus_scan.resizeColumnsToContents
    @view.tbl_bus_scan.resizeRowsToContents
    @view.tbl_bus_scan.horizontalHeader.stretchLastSection = true
    Qt::MessageBox.new(
      Qt::MessageBox::Information,
      "Bus Scan",
      "Bus scan ended correctly: #{@view.tbl_bus_scan.rowCount} address(es) found"
    ).exec
  else
    Qt::MessageBox.new(
      Qt::MessageBox::Information,
      "Bus addresses",
      "No valid addresses have been returned by the scan"
    ).exec
  end
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

#create ⇒ Object 



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# File 'lib/class/I2C/I2c_settings.rb', line 47

def create
  chip_setting = I2cSetting.create(
    address_w:          @view.lie_address_w.text,
    address_r:          @view.lie_address_r.text,
    frequency:          @view.cbx_frequency.currentText.to_i,
    write_page_latency: @view.lie_write_page_latency.text,
    page_size:          @view.lie_page_size.text,
    total_size:         @view.lie_total_size.text,
    chip_id:            @chip.id
  )
  unless check_for_errors(chip_setting)
    Qt::MessageBox.new(
      Qt::MessageBox::Information,
      'Succes',
      'I2C settings saved'
    ).exec
    close
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#feed_settings_form ⇒ Object 



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# File 'lib/class/I2C/I2c_settings.rb', line 38

def feed_settings_form
  @view.lie_address_w.setText(@chip.i2c_setting.address_w)
  @view.lie_address_r.setText(@chip.i2c_setting.address_r)
  @view.cbx_frequency.setCurrentIndex(@view.cbx_frequency.findText(@chip.i2c_setting.frequency.to_s))
  @view.lie_write_page_latency.setText(@chip.i2c_setting.write_page_latency.to_s)
  @view.lie_page_size.setText(@chip.i2c_setting.page_size.to_s)
  @view.lie_total_size.setText(@chip.i2c_setting.total_size.to_s)
end

#save_settings ⇒ Object 



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# File 'lib/class/I2C/I2c_settings.rb', line 33

def save_settings
  @chip.i2c_setting.nil? ? create : update
  @chip.reload
end

#update ⇒ Object 



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# File 'lib/class/I2C/I2c_settings.rb', line 69

def update
  @chip.i2c_setting.update(
    address_w:          @view.lie_address_w.text,
    address_r:          @view.lie_address_r.text,
    frequency:          @view.cbx_frequency.currentText.to_i,
    write_page_latency: @view.lie_write_page_latency.text,
    page_size:          @view.lie_page_size.text,
    total_size:         @view.lie_total_size.text
  )
  unless check_for_errors(@chip.i2c_setting)
    Qt::MessageBox.new(
      Qt::MessageBox::Information,
      'Succes',
      'I2C settings updated'
    ).exec
    close
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end