Implement enigma types
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code.c.ino
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code.c.ino
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/* Simple keyboard to serial port at 115200 baud
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PS2KeyAdvanced library example
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Advanced support PS2 Keyboard to get every key code byte from a PS2 Keyboard
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for testing purposes.
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IMPORTANT WARNING
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If using a DUE or similar board with 3V3 I/O you MUST put a level translator
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like a Texas Instruments TXS0102 or FET circuit as the signals are
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Bi-directional (signals transmitted from both ends on same wire).
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Failure to do so may damage your Arduino Due or similar board.
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Test History
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September 2014 Uno and Mega 2560 September 2014 using Arduino V1.6.0
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January 2016 Uno, Mega 2560 and Due using Arduino 1.6.7 and Due Board
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Manager V1.6.6
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This is for a LATIN style keyboard using Scan code set 2. See various
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websites on what different scan code sets use. Scan Code Set 2 is the
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default scan code set for PS2 keyboards on power up.
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Will support most keyboards even ones with multimedia keys or even 24 function keys.
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The circuit:
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* KBD Clock (PS2 pin 1) to an interrupt pin on Arduino ( this example pin 3 )
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* KBD Data (PS2 pin 5) to a data pin ( this example pin 4 )
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* +5V from Arduino to PS2 pin 4
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* GND from Arduino to PS2 pin 3
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The connector to mate with PS2 keyboard is a 6 pin Female Mini-Din connector
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PS2 Pins to signal
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1 KBD Data
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3 GND
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4 +5V
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5 KBD Clock
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Keyboard has 5V and GND connected see plenty of examples and
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photos around on Arduino site and other sites about the PS2 Connector.
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Interrupts
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Clock pin from PS2 keyboard MUST be connected to an interrupt
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pin, these vary with the different types of Arduino
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PS2KeyAdvanced requires both pins specified for begin()
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keyboard.begin( data_pin, irq_pin );
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Valid irq pins:
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Arduino Uno: 2, 3
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Arduino Due: All pins, except 13 (LED)
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Arduino Mega: 2, 3, 18, 19, 20, 21
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Teensy 2.0: All pins, except 13 (LED)
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Teensy 2.0: 5, 6, 7, 8
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Teensy 1.0: 0, 1, 2, 3, 4, 6, 7, 16
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Teensy++ 2.0: 0, 1, 2, 3, 18, 19, 36, 37
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Teensy++ 1.0: 0, 1, 2, 3, 18, 19, 36, 37
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Sanguino: 2, 10, 11
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Read method Returns an UNSIGNED INT containing
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Make/Break status
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Caps status
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Shift, CTRL, ALT, ALT GR, GUI keys
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Flag for function key not a displayable/printable character
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8 bit key code
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Code Ranges (bottom byte of unsigned int)
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0 invalid/error
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1-1F Functions (Caps, Shift, ALT, Enter, DEL... )
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1A-1F Functions with ASCII control code
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(DEL, BS, TAB, ESC, ENTER, SPACE)
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20-61 Printable characters noting
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0-9 = 0x30 to 0x39 as ASCII
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A to Z = 0x41 to 0x5A as upper case ASCII type codes
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8B Extra European key
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61-A0 Function keys and other special keys (plus F2 and F1)
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61-78 F1 to F24
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79-8A Multimedia
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8B NOT included
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8C-8E ACPI power
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91-A0 and F2 and F1 - Special multilingual
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A8-FF Keyboard communications commands (note F2 and F1 are special
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codes for special multi-lingual keyboards)
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By using these ranges it is possible to perform detection of any key and do
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easy translation to ASCII/UTF-8 avoiding keys that do not have a valid code.
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Top Byte is 8 bits denoting as follows with defines for bit code
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Define name bit description
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PS2_BREAK 15 1 = Break key code
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(MSB) 0 = Make Key code
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PS2_SHIFT 14 1 = Shift key pressed as well (either side)
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0 = NO shift key
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PS2_CTRL 13 1 = Ctrl key pressed as well (either side)
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0 = NO Ctrl key
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PS2_CAPS 12 1 = Caps Lock ON
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0 = Caps lock OFF
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PS2_ALT 11 1 = Left Alt key pressed as well
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0 = NO Left Alt key
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PS2_ALT_GR 10 1 = Right Alt (Alt GR) key pressed as well
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0 = NO Right Alt key
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PS2_GUI 9 1 = GUI key pressed as well (either)
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0 = NO GUI key
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PS2_FUNCTION 8 1 = FUNCTION key non-printable character (plus space, tab, enter)
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0 = standard character key
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Error Codes
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Most functions return 0 or 0xFFFF as error, other codes to note and
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handle appropriately
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0xAA keyboard has reset and passed power up tests
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will happen if keyboard plugged in after code start
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0xFC Keyboard General error or power up fail
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See PS2Keyboard.h file for returned definitions of Keys
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Note defines starting
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PS2_KEY_* are the codes this library returns
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PS2_* remaining defines for use in higher levels
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To get the key as ASCII/UTF-8 single byte character conversion requires use
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of PS2KeyMap library AS WELL.
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Written by Paul Carpenter, PC Services <sales@pcserviceselectronics.co.uk>
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*/
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#include <PS2KeyAdvanced.h>
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#include <PS2KeyAdvanced.h>
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#include "enigma_types.h"
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/* Keyboard constants Change to suit your Arduino
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define pins used for data and clock from keyboard */
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#define DATAPIN 2
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#define DATAPIN 2
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#define IRQPIN 3
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#define IRQPIN 3
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uint16_t c;
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PS2KeyAdvanced keyboard;
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PS2KeyAdvanced keyboard;
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void setup()
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void setup( )
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{
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{
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// Configure the keyboard library
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keyboard.begin(DATAPIN, IRQPIN);
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keyboard.begin( DATAPIN, IRQPIN );
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Serial.begin(115200);
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Serial.begin( 115200 );
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Serial.println( "PS2 Advanced Key Simple Test:" );
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}
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}
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void loop()
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void loop( )
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{
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{
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if( keyboard.available( ) )
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if (keyboard.available())
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{
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{
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// read the next key
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const uint16_t key = keyboard.read();
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c = keyboard.read( );
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if (key > 0)
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if( c > 0 )
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{
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{
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Serial.print( "Value " );
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const String value = String(key, HEX);
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Serial.print( c, HEX );
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Serial.print( " - Status Bits " );
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Serial.print( c >> 8, HEX );
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Serial.print( " Code " );
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Serial.println( c & 0xFF, HEX );
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}
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}
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}
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}
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}
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}
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@ -0,0 +1,59 @@
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// Латинский алфавит в HEX представлении
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const String key_values[26] =
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{
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"51", // Code51 - q
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"57", // Code57 - w
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"45", // Code45 - e
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"52", // Code52 - r
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"54", // Code54 - t
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"59", // Code59 - y
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"55", // Code55 - u
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"49", // Code49 - i
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"4F", // Code4F - o
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"50", // Code50 - p
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"41", // Code41 - a
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"53", // Code53 - s
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"44", // Code44 - d
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"46", // Code46 - f
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"47", // Code47 - g
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"48", // Code48 - h
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"4A", // Code4A - j
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"4B", // Code4B - k
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"4C", // Code4C - l
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"5A", // Code5A - z
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"58", // Code58 - x
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"43", // Code43 - c
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"56", // Code56 - v
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"42", // Code42 - b
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"4E", // Code4E - n
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"4D" // Code4D - m
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};
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// Сдвиг в алфавите для каждого из трёх "дисков".
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// Обязан быть в отрезке [0; 25], так как полный круг
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// возвращает значение обратно в 0.
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// Таким образом, при конфигурации { 1, 2, 5 } и
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// нажатой ' d ' сначала произойдёт сдвиг на 1, ' d '
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// станет ' f ', потом на 2, ' f ' станет ' h ',
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// в конце ещё сдвиг на 5 и ' h ' станет ' x '.
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const size_t key_shifts[3] =
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{
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1,
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2,
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5
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};
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// Соединение на коммутационной панели
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struct Plug
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{
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size_t left_index = 0;
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size_t right_index = 0;
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};
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// Все соединения коммутационной панели.
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// Для примера всего 2, но может быть до 13
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const Plug plugboard[2] =
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{
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{0, 1}, // ' q ' <- -> ' w '
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{4, 10} // ' t ' <- -> ' a '
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};
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