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- // CLOCKWORK Keypad Arduino driver
- // For more information please visit https://forum.clockworkpi.com
- // HAPPY HACKING
- #include "UsbKeyboard.h"
- #define KEY_ENTER 0x28 // Keyboard Return (ENTER)
- #define KEY_ESCAPE 0x29 // Keyboard Escape
- #define KEY_BACKSPACE 0x2A // Keyboard Backspace
- #define KEY_SPACE 0x2C // Keyboard Space
- #define KEY_DASH 0x2D // Keyboard - and _
- #define KEY_EQUAL 0x2E // Keyboard = and +
- #define KEY_HOME 0x4A // Keyboard Home
- #define KEY_PAGE_UP 0x4B // Keyboard Page Up
- #define KEY_END 0x4D // Keyboard End
- #define KEY_PAGE_DOWN 0x4E // Keyboard Page Down
- #define KEY_RIGHT_ARROW 0x4F // Keyboard Right Arrow
- #define KEY_LEFT_ARROW 0x50 // Keyboard Left Arrow
- #define KEY_DOWN_ARROW 0x51 // Keyboard Down Arrow
- #define KEY_UP_ARROW 0x52 // Keyboard Up Arrow
- #define KEY_NUM_DASH 0x56 // Keyboard Num Pad -
- #define KEY_NUM_PLUS 0x57 // Keyboard Num Pad +
- #define KEY_OFF 1
- #define KEY_ON 0
- #define ADC_BOUNDARY 500
- #define DIGITAL_KEY_NUM 9
- #define ANALOG_KEY_NUM 6
- #define KEY_NUM (DIGITAL_KEY_NUM + ANALOG_KEY_NUM)
- #define SHIFT_KEY_NUM 2
- #define KEY_NULL 0xff
- #define KEYPAD_UP KEY_UP_ARROW
- #define KEYPAD_LEFT KEY_LEFT_ARROW
- #define KEYPAD_DOWN KEY_DOWN_ARROW
- #define KEYPAD_RIGHT KEY_RIGHT_ARROW
- #define KEYPAD_Y KEY_I
- #define KEYPAD_X KEY_U
- #define KEYPAD_A KEY_J
- #define KEYPAD_B KEY_K
- #define KEYPAD_MENU KEY_ESCAPE
- #define KEYPAD_SELECT KEY_SPACE
- #define KEYPAD_START KEY_ENTER
- #define KEYPAD_LIGHT1 KEY_L
- #define KEYPAD_LIGHT2 KEY_O
- #define KEYPAD_LIGHT4 KEY_Y
- #define KEYPAD_LIGHT5 KEY_H
- #define KEYPAD_UP_SHIFT KEY_UP_ARROW
- #define KEYPAD_LEFT_SHIFT KEY_LEFT_ARROW
- #define KEYPAD_DOWN_SHIFT KEY_DOWN_ARROW
- #define KEYPAD_RIGHT_SHIFT KEY_RIGHT_ARROW
- #define KEYPAD_Y_SHIFT KEY_O
- #define KEYPAD_X_SHIFT KEY_Y
- #define KEYPAD_A_SHIFT KEY_H
- #define KEYPAD_B_SHIFT KEY_L
- #define KEYPAD_MENU_SHIFT KEY_BACKSPACE
- #define KEYPAD_SELECT_SHIFT KEY_NUM_DASH
- #define KEYPAD_START_SHIFT KEY_NUM_PLUS
- #define KEYPAD_LIGHT1_SHIFT KEY_END
- #define KEYPAD_LIGHT2_SHIFT KEY_PAGE_DOWN
- #define KEYPAD_LIGHT4_SHIFT KEY_PAGE_UP
- #define KEYPAD_LIGHT5_SHIFT KEY_HOME
- const int pins[KEY_NUM] = {3, 6, 7, 8, 9, 10, 11, 12, 13, 0, 2, 3, 4, 6, 7};
- const int shift_pins[SHIFT_KEY_NUM] = {1, 5};
- const int keys[KEY_NUM] =
- {
- KEYPAD_UP, KEYPAD_LEFT, KEYPAD_DOWN, KEYPAD_RIGHT, KEYPAD_Y, KEYPAD_X, KEYPAD_A, KEYPAD_B, KEYPAD_START,
- KEYPAD_MENU, KEYPAD_SELECT, KEYPAD_LIGHT1, KEYPAD_LIGHT2, KEYPAD_LIGHT4, KEYPAD_LIGHT5
- };
- const int shift_keys[KEY_NUM] =
- {
- KEYPAD_UP_SHIFT, KEYPAD_LEFT_SHIFT, KEYPAD_DOWN_SHIFT, KEYPAD_RIGHT_SHIFT, KEYPAD_Y_SHIFT, KEYPAD_X_SHIFT, KEYPAD_A_SHIFT, KEYPAD_B_SHIFT, KEYPAD_START_SHIFT,
- KEYPAD_MENU_SHIFT, KEYPAD_SELECT_SHIFT, KEYPAD_LIGHT1_SHIFT, KEYPAD_LIGHT2_SHIFT, KEYPAD_LIGHT4_SHIFT, KEYPAD_LIGHT5_SHIFT
- };
- int old_keys[KEY_NUM];
- bool shift_key_pressed()
- {
- for(int i = 0; i < SHIFT_KEY_NUM; i++)
- {
- if(analogRead(shift_pins[i]) /ADC_BOUNDARY == KEY_ON)
- return true;
- }
- return false;
- }
- void setup()
- {
- TIMSK0 &= !(1 << TOIE0);
- for(int i = 0; i < KEY_NUM; i++)
- {
- if(i < DIGITAL_KEY_NUM)
- {
- pinMode(pins[i], INPUT);
- }
- old_keys[i] = KEY_NULL;
- }
- Serial.begin(115200);
- }
- void loop()
- {
- int on_off, key;
- UsbKeyboard.update();
- delay(1000);
- for(int i = 0; i < KEY_NUM; i++)
- {
- if( i < DIGITAL_KEY_NUM)
- {
- on_off = digitalRead(pins[i]);
- }
- else
- {
- on_off = analogRead(pins[i])/ADC_BOUNDARY;
- }
- if(on_off == KEY_OFF)
- {
- if(old_keys[i] != KEY_NULL)
- {
- UsbKeyboard.release(old_keys[i]);
- old_keys[i] = KEY_NULL;
- }
- }
- else
- {
- if(shift_key_pressed())
- {
- key = shift_keys[i];
- }
- else
- {
- key = keys[i];
- }
- if(key != old_keys[i])
- {
- if(old_keys[i] != KEY_NULL)
- {
- UsbKeyboard.release(old_keys[i]);
- }
- UsbKeyboard.press(key);
- old_keys[i] = key;
- }
- }
- }
- }
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