actionbutton SR

**************************
---- DcsBios.cpp---------
***************************

[...]

ActionButtonSR::ActionButtonSR(char* msg, char* arg, char srinput) {
    msg_ = msg;
    arg_ = arg;
    srinput_ = srinput;
    pinValues_ = pinValues;
    lastState_ = pinValues_ & (1<< srinput_);
}
void ActionButtonSR::pollInput() {
     int state = pinValues  & (1<< srinput_);
    if (state != lastState_) {
        if (lastState_ != 0 && state == 0)  {
            sendDcsBiosMessage(msg_, arg_);
        }
    }
    lastState_ = state;
}

[...]