Class: HardsploitAPI_SPI_SNIFFER

Inherits:
Object
  • Object
show all
Defined in:
lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb

Instance Method Summary collapse

Constructor Details

#initialize(mode:, sniff:) ⇒ HardsploitAPI_SPI_SNIFFER

Returns a new instance of HardsploitAPI_SPI_SNIFFER.



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 13

def initialize(mode:,sniff:)
  #to be sure the singleton was initialize

  HardsploitAPI.instance.connect
  self.mode=mode
  self.sniff=sniff
  spi_SetSettings
end

Instance Method Details

#mode ⇒ Object 



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 21

def mode
  return @mode
end

#mode=(mode) ⇒ Object 



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 27

def mode=(mode)
  if ( mode < 0 ) or ( mode > 3 ) then
    raise HardsploitAPI::ERROR::SPIWrongMode
  else
    @mode = mode
  end
end

#odds_and_evens(tab, return_odds) ⇒ Object 



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 54

def odds_and_evens(tab, return_odds)
  tab.select.with_index{|_, i| return_odds ? i.odd? : i.even?}
end

#sniff ⇒ Object 



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 24

def sniff
  return @sniff
end

#sniff=(sniff) ⇒ Object 



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 34

def sniff=(sniff)
  case sniff
  when HardsploitAPI::SPISniffer::MISO;       @sniff = sniff
  when HardsploitAPI::SPISniffer::MOSI;     @sniff = sniff
  when HardsploitAPI::SPISniffer::MISO_MOSI; @sniff = sniff
  else
    raise HardsploitAPI::ERROR::SPIWrongMode
  end
end

#spi_receive_available_data ⇒ Object

  • Return data received



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 59

def spi_receive_available_data
  packet = Array.new
  packet.push 0  #low byte of lenght of trame refresh automaticly before send by usb

  packet.push 0  #high byte of lenght of trame refresh automaticly before send by usb

  packet.push HardsploitAPI.lowByte(word:HardsploitAPI::USB_COMMAND::FPGA_COMMAND)
  packet.push HardsploitAPI.highByte(word:HardsploitAPI::USB_COMMAND::FPGA_COMMAND)

  packet.push 0x50 #Command RAW COMMUNICATION TO FPGA FIFO

  packet.push 0x20 #Command receive available data


  #remove header (4 bytes   2 for size 2 for type of command)

  result = HardsploitAPI.instance.sendAndReceiveDATA(packet, 200).drop(4)

  #if half a simple array, if fullduplex  first item -> an array of MISO  and second array -> an array of MOSI

  case @sniff
  when HardsploitAPI::SPISniffer::MISO,HardsploitAPI::SPISniffer::MOSI
    return result
  else
    myresult = Array.new
    myresult.push odds_and_evens(result,true)
    myresult.push odds_and_evens(result,false)
    return myresult
  end
end

#spi_SetSettings ⇒ Object 



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# File 'lib/HardsploitAPI/Modules/SPI_SNIFFER/HardsploitAPI_SPI_SNIFFER.rb', line 43

def spi_SetSettings
  packet = HardsploitAPI.prepare_packet
  packet.push 0x10 #Command change mode

  packet.push @mode + (@sniff<<6)  #Add mode

  begin
    HardsploitAPI.instance.sendPacket packet
    rescue
    raise HardsploitAPI::ERROR::USB_ERROR
  end
end