390 lines
8.4 KiB
C++
390 lines
8.4 KiB
C++
/* requires keypad library by Mark Stanley, Alexander Brevig from:
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http://www.arduino.cc/playground/Code/Keypad
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Uses the PJRC Teensy++ 2.0 and Teensyduino libraries, specifically USB HID and Keyboard():
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http://www.pjrc.com/teensy/teensyduino.html
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*/
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#include <Keypad.h>
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// added breakout pins for DISK READ LED, KEYBOARD SWITCH, and 40/80 COLUMN SWITCH (rev.4 board)
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int LEDPin = 8;
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int DvorakPin = 9;
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int ColumnsPin = 10;
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/*
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Declares the matrix rows/cols of the Apple IIc keyboard.
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*/
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// Prevent compiler warning about casts from unsigned ints to chars
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#define C(x) ((char) (x))
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const byte ROWS = 8; // rows
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const byte COLS = 10; // columns
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char keys[ROWS][COLS] = {
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{ C(KEY_ESC), C(KEY_1), C(KEY_2), C(KEY_3), C(KEY_4), C(KEY_6), C(KEY_5), C(KEY_7), C(KEY_8), C(KEY_9) },
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{ C(KEY_TAB), C(KEY_Q), C(KEY_W), C(KEY_E), C(KEY_R), C(KEY_Y), C(KEY_T), C(KEY_U), C(KEY_I), C(KEY_O)},
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{ C(KEY_A), C(KEY_D), C(KEY_S), C(KEY_H), C(KEY_F), C(KEY_G), C(KEY_J), C(KEY_K), C(KEY_SEMICOLON), C(KEY_L)},
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{ C(KEY_Z), C(KEY_X), C(KEY_C), C(KEY_V), C(KEY_B), C(KEY_N), C(KEY_M), C(KEY_COMMA), C(KEY_PERIOD), C(KEY_SLASH)},
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{ 0, 0, 0, 0, 0, 0, C(KEY_BACKSLASH), C(KEY_EQUAL), C(KEY_0), C(KEY_MINUS)},
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{ 0, 0, 0, 0, 0, 0, C(KEY_TILDE), C(KEY_P), C(KEY_LEFT_BRACE), C(KEY_RIGHT_BRACE)},
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{ 0, 0, 0 , 0, 0, 0, C(KEY_ENTER), C(KEY_UP), C(KEY_SPACE), C(KEY_QUOTE)},
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{ 0, 0, 0, 0, 0, 0, C(KEY_BACKSPACE), C(KEY_DOWN), C(KEY_LEFT), C(KEY_RIGHT)},
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};
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char Fkeys[2][10] = {
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{C(KEY_1), C(KEY_2), C(KEY_3), C(KEY_4), C(KEY_5), C(KEY_6), C(KEY_7), C(KEY_8), C(KEY_9), C(KEY_0)},
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{C(KEY_F1), C(KEY_F2), C(KEY_F3), C(KEY_F4), C(KEY_F5), C(KEY_F6), C(KEY_F7), C(KEY_F8), C(KEY_F9), C(KEY_F10)}
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};
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/*
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Keyboard matrix
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X0 1 2 3 4 5 6 7 8 9
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Y0 ESC 1 2 3 4 6 5 7 8 9
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1 TAB Q W E R Y T U I O
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2 A D S H F G J K ; L
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3 Z X C V B N M < > ?
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4 \ + 0 -
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5 ~ P [ ]
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6 RET UP SPC "
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7 DEL DN LT RT
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Matrix
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J9 Teensy
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X0 31 26
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1 24 4
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2 22 5
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3 8 14
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4 14 17
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5 6 13
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6 10 15
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7 1 3
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8 4 12
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9 2 11
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Y0 12 16
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1 33 25
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2 18 7
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3 20 38
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4 3 2
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5 5 1
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6 7 0
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7 9 27
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NC 13
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17
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30
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GND 21
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SFT 34 24
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CTL 32 23
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CMD 16 8
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CMD 26 20
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CAPS 28 21
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J9 pinout
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1 X7
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2 X9
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3 Y4
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4 X8
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5 Y5
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6 X5
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7 Y6
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8 X3
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9 Y7
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10 X6
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11 DISK LED (5v)
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12 Y0
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13 NC
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14 X4
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15 KEYBOARD SW
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16 CLOSED APPLE
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17 NC
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18 Y2
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19 40/80 COL SWITCH
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20 Y3
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21 GROUND ???
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22 X2
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23 GROUND ???
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24 X1
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25 POWER LED (5v)
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26 OPEN APPLE
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27 LED GROUND ???
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28 CAPS LOCK
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29 RESET
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30 NC
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31 X0
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32 CONTROL
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33 Y1
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34 SHIFT
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*/
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byte rowPins[ROWS] = { // Y0 - Y9
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16, 25, 7, 38, 2, 1, 0, 27
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}; //connect to the row pinouts of the keypad
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byte colPins[COLS] = { // X0 - X7
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26, 4, 5, 14, 17, 13, 15, 3, 12, 11
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}; //connect to the column pinouts of the keypad
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Keypad KPD = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
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const int SHIFTPin = 24; // the pin that the shift key is attached to
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const int CTRLPin = 23; // the pin that the control key is attached to
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const int APPLEPin1 = 43; // the pin that the open-apple key is attached to
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const int APPLEPin2 = 44; // the pin that the closed-apple key is attached to
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const int CAPSPin = 21;
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// these pins are special in that they are dis/connected to ground, instead of to a row/col
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/***
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open/closed apple are grounded through resistors on the //c. need to detect voltage drop as analogread, not digital.
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must be on analog pin.
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***/
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char modifierKeys[4];
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#define KEY_CAPS_UNLOCK 0
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boolean resetCapsLock = false; // Allows one caps unlock signal.
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unsigned long dTime = 0;
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boolean CAPSLock = false; // Initialize this to a reasonable value.
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boolean FKEYS = false; // used to set numbers to F-Key equivalent. currently tied to caps lock
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void setup() {
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pinMode(SHIFTPin, INPUT);
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pinMode(CTRLPin, INPUT);
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pinMode(APPLEPin1, INPUT);
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pinMode(APPLEPin2, INPUT);
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digitalWrite(APPLEPin1, HIGH);
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digitalWrite(APPLEPin2, HIGH);
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digitalWrite(SHIFTPin, HIGH);
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digitalWrite(CTRLPin, HIGH);
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pinMode(CAPSPin, INPUT);
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digitalWrite(CAPSPin, HIGH);
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// Turn on the DISK READ LED (rev4 board)
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// digitalWrite(LEDPin, HIGH);
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// This gives time for the keyboard to hook up to the PC.
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// Otherwise the caps lock state may be incorrect.
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delay(1000);
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}
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void loop()
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{
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//probably should be on an interrupt, to catch high->low transition
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// Only do something if the pin is different from previous state.
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boolean newCaps = digitalRead(CAPSPin) ? false : true;
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if ( (CAPSLock != newCaps) && !resetCapsLock)
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{
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CAPSLock = newCaps; // Remember new CAPSLock.
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Keyboard.set_key6((uint8_t) KEY_CAPS_LOCK); // Send KEY_CAPS_LOCK.
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dTime = millis(); // Reset delay timer.
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resetCapsLock = true;
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// Serial.print("Caps = ");
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// Serial.println(CAPSLock);
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// Turn on the LED for caps lock.
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// digitalWrite(LED, CAPSLock ? HIGH : LOW);
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}
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if ( resetCapsLock && (millis() - dTime) > 10)
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{
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Keyboard.set_key6(KEY_CAPS_UNLOCK);
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resetCapsLock = false;
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}
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// If caps lock is set, then turn number keys into function keys.
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FKEYS = CAPSLock;
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/*char CAPSState = digitalRead(CAPSPin);
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if (CAPSState == LOW) {
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Keyboard.set_key6(KEY_CAPS_LOCK);
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} else {
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Keyboard.set_key6(0);
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}
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*/
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char SHIFTState = digitalRead(SHIFTPin);
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if (SHIFTState == LOW) {
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modifierKeys[0] = MODIFIERKEY_SHIFT;
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digitalWrite(SHIFTPin, HIGH);
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} else {
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digitalWrite(SHIFTPin, HIGH);
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modifierKeys[0] = 0;
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}
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char CTRLState = digitalRead(CTRLPin);
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if (CTRLState == LOW) {
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modifierKeys[1] = MODIFIERKEY_CTRL;
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digitalWrite(CTRLPin, HIGH);
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} else {
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modifierKeys[1] = 0;
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digitalWrite(CTRLPin, HIGH);
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}
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char OAPPLEState = analogRead(APPLEPin2);
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char CAPPLEState = analogRead(APPLEPin1);
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// *** NOW USING CLOSED APPLE AS ALT/OPTION
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if (OAPPLEState < 20) {
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modifierKeys[2] = MODIFIERKEY_GUI;
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digitalWrite(APPLEPin1, HIGH);
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} else {
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modifierKeys[2] = 0;
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digitalWrite(APPLEPin1, HIGH);
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}
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if (CAPPLEState < 20) {
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modifierKeys[3] = MODIFIERKEY_ALT;
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digitalWrite(APPLEPin2, HIGH);
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} else {
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modifierKeys[3] = 0;
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digitalWrite(APPLEPin2, HIGH);
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}
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// to use the TILDE key as ALT/OPTION
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/* modifierKeys[3] = 0;
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if( KPD.isPressed(KEY_TILDE) ) {
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modifierKeys[3] = MODIFIERKEY_ALT;
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}
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*/
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// *** NOW USING CLOSED APPLE AS ALT/OPTION
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Keyboard.set_modifier( modifierKeys[0] | modifierKeys[1] | modifierKeys[2] | modifierKeys[3] );
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KPD.getKeys(); // Scan for all pressed keys. 6 Max, + 4 modifiers. Should be plenty, but can be extended to 10+
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// Set keyboard keys to default values.
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Keyboard.set_key1(0);
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Keyboard.set_key2(0);
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Keyboard.set_key3(0);
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Keyboard.set_key4(0);
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Keyboard.set_key5(0);
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//Keyboard.set_key6(0);
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/* based on suggestion from Craig Brooks <s.craig.brooks@gmail.com>
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uses CAPS LOCK to turn number keys into F-Key equivalent.
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*/
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// Update keyboard keys to active values.
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if ( KPD.key[0].kchar && ( KPD.key[0].kstate == PRESSED || KPD.key[0].kstate == HOLD )) {
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//Serial.println(FKEYS);
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if (FKEYS) {
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// number keys 1 through 0 for f1 - f10
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if ((KPD.key[0].kchar >= 0x1E) && (KPD.key[0].kchar <= 0x27)) {
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KPD.key[0].kchar += 0x1C;
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// Serial.println( KPD.key[0].kchar, HEX );
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// - and = for f11 and f12
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} else if ( KPD.key[0].kchar == 0x2D || KPD.key[0].kchar == 0x2E ) {
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KPD.key[0].kchar += 0x17;
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}
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}
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Keyboard.set_key1( KPD.key[0].kchar );
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}
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if ( KPD.key[1].kchar && ( KPD.key[1].kstate == PRESSED || KPD.key[1].kstate == HOLD ))
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Keyboard.set_key2( KPD.key[1].kchar );
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if ( KPD.key[2].kchar && ( KPD.key[2].kstate == PRESSED || KPD.key[2].kstate == HOLD ))
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Keyboard.set_key3( KPD.key[2].kchar );
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if ( KPD.key[3].kchar && ( KPD.key[3].kstate == PRESSED || KPD.key[3].kstate == HOLD ))
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Keyboard.set_key4( KPD.key[3].kchar );
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if ( KPD.key[4].kchar && ( KPD.key[4].kstate == PRESSED || KPD.key[4].kstate == HOLD ))
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Keyboard.set_key5( KPD.key[4].kchar );
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//if( KPD.key[5].kchar && ( KPD.key[5].kstate==PRESSED || KPD.key[5].kstate==HOLD ))
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//Keyboard.set_key6( KPD.key[5].kchar );
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Keyboard.send_now();
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Keyboard.set_modifier(0);
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}
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