New component for keyboards and panels.

loadusr -W sendkeys config=t22
setp sendkeys.0.pin-event-00 2 # Key 1
setp sendkeys.0.pin-event-01 8 # Key 7
setp sendkeys.0.pin-event-11 3 # Key 2
setp sendkeys.0.pin-event-12 4 # Key 3





param->num_tgpin = param->num_events * 0.5;

for (j = 0; j < param->num_triggers; j++){
  if (param->prev[j] != *hal->trigger[j]){
    if (*hal->trigger[j]){ // keydown

      if (*hal->toggle){ // toggle on
        emit(param->fd, EV_KEY, hal->event[j + param->num_tgpin], 1);
        emit(param->fd, EV_SYN, SYN_REPORT, 0);
      } else { // toggle off
        emit(param->fd, EV_KEY, hal->event[j], 1);
        emit(param->fd, EV_SYN, SYN_REPORT, 0); }

    } else { // keyup 
      if (*hal->toggle){ // toggle on
        emit(param->fd, EV_KEY, hal->event[j + param->num_tgpin], 0);
        emit(param->fd, EV_SYN, SYN_REPORT, 0);
      } else { // toggle off
        emit(param->fd, EV_KEY, hal->event[j], 0);
        emit(param->fd, EV_SYN, SYN_REPORT, 0);
}
}
param->prev[j] = *hal->trigger[j];