Crenshinibon

struct Key {
  byte id;
  boolean pressed;
  uint8_t bounceKey;
  Key(byte id) : id(id), pressed(false), bounceKey(NOT_BOUNCING) {};
}

boolean toggleKey(struct Key *key) {
  key->bounceKey = checkStillBouncing(key->bounceKey);
  if(key->bounceKey == NOT_BOUNCING){

Crenshinibon

static void scanKeys(){
  //iterate over columns
  for(int currentColumn = 0; currentColumn < COL_COUNT; currentColumn ++){
    digitalWrite(cols[currentColumn],HIGH);

    //scan rows
    for(int y = 0; y < ROW_COUNT; y++){
      Key* key = keyMatrix[currentColumn][y];
      if(key != NOKEY){

Crenshinibon

//arbitrary number to signal that a
//key is not bouncing
const uint8_t NOT_BOUNCING = 20;
//how many ms a key is expected to bounce
const uint8_t BOUNCE_TIME = 10;
//how many bouncing keys can be handled
//in parallel
const uint8_t MAX_BOUNCING = 5;

//the index where the last bouncing key

Crenshinibon

/*
  TheTasTaTur - bt config
  
  Author: 
  Dirk Porsche
  Shiggy Enterprises UG (haftungsbeschränkt)
  
  All Rights reserved
 */
 

Crenshinibon

enum keyCodes {
  KC__ = 0,
  KC_ErrorRollOver,
  KC_POSTfail,
  KC_ErrorUndefined,
  // ...
  KC_N,
  KC_O,
  KC_P,
  // ...

Crenshinibon

//discover correct keyCodes
static void calcKeyCodes(){
  //a special case for caps lock
  //switch caps lock and submit
  if((modifiers[0] & M2L->keyCode) && (modifiers[0] & M2R->keyCode)){
    modifiers[0] = 0x00;
    keyCodes[0] = KC_CAPSLOCK;
    keyCodeIndex = 1;
      
    if(!capslock){

Crenshinibon

static void sendKeyState(){
  if(stateChanged){
    calcKeyCodes();
    
    byte hidReport[REPORT_LENGTH] = {0xFD,0x09,0x01,modifiers[0],0x00,0x00,0x00,0x00,0x00,0x00,0x00};
    
    for(int i = 0; i < keyCodeIndex; i++){
      hidReport[5 + i] = keyCodes[i];
    }
    

Crenshinibon

byte leftSideData[5]={0};
uint8_t receivingIndex = 0;
boolean receiving = false;

const byte WAITING=0xE1,PULLUP=B10101010,PRE=0x5E,ADDR=0x10,NOTHING=0xFE,ERROR=0x77;
int receiveState = WAITING;

void loop(){
  byte in = receivePackage();
  if(in != NOTHING){

Crenshinibon

const byte CARRIER=B10101010,PRE=0x5E,ADDR=0x10;
const byte START = 0xD0;
const byte STOP = 0xDF;

static void sendKeyState(){
  if(stateChanged){
    sendPackage(START);

    for(int i = 0; i < pressedKeyIndex; i++){
      sendPackage(pressedKeys[i]->id);

Crenshinibon

byte leftSideData[MAX_LEFTSIDE_KEYS]={0};
uint8_t receivingIndex = 0;
boolean receiving = false;

const byte CARRIER=B10101010,PRE=0x5E,ADDR=0x10,NOTHING=0xFE,ERROR=0x77;
int receiveState = CARRIER;

const byte START = 0xD0;
const byte STOP = 0xDF;