Class: I2c_scanner

Inherits:
Qt::Widget
  • Object
show all
Defined in:
lib/class/i2c/I2c_scanner.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ I2c_scanner

Returns a new instance of I2c_scanner.



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# File 'lib/class/i2c/I2c_scanner.rb', line 17

def initialize
  super()
  @view = Ui_Signal_scanner.new
  centerWindow(self)
  @view.setupUi(self)
  update_cbx('B0')
end

Instance Method Details

#autowiring ⇒ Object 



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# File 'lib/class/i2c/I2c_scanner.rb', line 55

def autowiring
  signal_found = false
  @view.tbl_result.rowCount.times do |i|
    if @view.tbl_result.item(i, 1).text == 'SDA'
      signal_found = true
      current_signal = Signall.find_by(name: 'SDA')
      current_signal.update(pin: @view.tbl_result.item(i, 0).text)
    elsif @view.tbl_result.item(i, 1).text == 'CLK'
      signal_found = true
      current_signal = Signall.find_by(name: 'I2C_CLK')
      current_signal.update(pin: @view.tbl_result.item(i, 0).text)
    else
      # Next row

    end
  end
  if signal_found
    Qt::MessageBox.new(
      Qt::MessageBox::Information,
      'Hardsploit Autowiring',
      'Wiring saved. To change it, go to Menu > Signal mapper'
    ).exec
  else
    Qt::MessageBox.new(
      Qt::MessageBox::Information,
      'Hardsploit Autowiring',
      'No signals found in the array'
    ).exec
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
  return false
end

#resize_to_content ⇒ Object 



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# File 'lib/class/i2c/I2c_scanner.rb', line 101

def resize_to_content
  @view.tbl_result.resizeColumnsToContents
  @view.tbl_result.resizeRowsToContents
  @view.tbl_result.horizontalHeader.stretchLastSection = true
end

#scan ⇒ Object 



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# File 'lib/class/i2c/I2c_scanner.rb', line 25

def scan
  return ErrorMsg.new.hardsploit_not_found unless HardsploitAPI.getNumberOfBoardAvailable > 0
  @view.cbx_start.setEnabled(false)
  @view.cbx_stop.setEnabled(false)
  @view.btn_scan.setEnabled(false)
  update_tbl(@view.cbx_stop.currentText)
  Firmware.new('I2C')
  i2c = HardsploitAPI_I2C.new(speed: 3)
  @result = i2c.find(
    start_from: @view.cbx_start.currentText[1].to_i + 9,
    stop_to:    @view.cbx_stop.currentText[1].to_i + 9
  )
  unless @result[1].is_a? Array
    @view.tbl_result.setItem(@result.index(0), 1, Qt::TableWidgetItem.new("CLK"))
    @view.tbl_result.setItem(@result.index(1), 1, Qt::TableWidgetItem.new("SDA"))
  end
  @view.cbx_start.setEnabled(true)
  @view.cbx_stop.setEnabled(true)
  @view.btn_scan.setEnabled(true)
rescue HardsploitAPI::ERROR::HARDSPLOIT_NOT_FOUND
  ErrorMsg.new.hardsploit_not_found
  return false
rescue HardsploitAPI::ERROR::USB_ERROR
  ErrorMsg.new.usb_error
  return false
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
  return false
end

#update_cbx(pin) ⇒ Object 



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# File 'lib/class/i2c/I2c_scanner.rb', line 107

def update_cbx(pin)
  @view.cbx_stop.clear
  start_at = pin[1].to_i
  end_at = 7
  (end_at - start_at).times do |i|
    @view.cbx_stop.addItem("B#{(i + start_at) + 1}")
  end
end

#update_tbl(pin) ⇒ Object 



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# File 'lib/class/i2c/I2c_scanner.rb', line 88

def update_tbl(pin)
  unless @view.cbx_stop.count.zero?
    @view.tbl_result.setRowCount(0)
    nbr = pin[1].to_i - (@view.cbx_start.currentText[1].to_i) + 1
    nbr.times do |i|
      @view.tbl_result.insertRow(i)
      @view.tbl_result.setItem(i, 0, Qt::TableWidgetItem.new("B#{(i + @view.cbx_start.currentText[1].to_i)}"))
      @view.tbl_result.setItem(i, 1, Qt::TableWidgetItem.new('-'))
    end
    resize_to_content
  end
end