DigitalToMessage.h

/*
 * DigitalStream.h
 *
 *  Created on: 7 Jun 2016
 *      Author: giulio
 */
 
#ifndef DIGITALTOMESSAGE_H_
#define DIGITALTOMESSAGE_H_
#include <Bela.h>
 
//class ProcessedDigitalChannel{
//      ProcessedDigitalChannel(){
//              digitalToMessageActive = false;
//              messageToDigitalActive = false;
//              analogToDigitalActive = false;
//      };
//      void processInput(unsigned int bit, uint32_t* array, unsigned int length){
//              if(digitalToMessageActive){
//                      digitalToMessage.process(bit, array, length);
//              }
//      };
//      void processOutput(unsigned int bit, uint32_t* digitalArray, float* analogArray, unsigned int length){
//
//      }
//      DigitalToMessage* getDigitalToMessage(){
//              return digitalToMessage;
//      }
//      DigitalToMessage digitalToMessage;
//      bool digitalToMessageActive;
//      bool messageToDigitalActive;
//      bool analogToDigitalActive;
//};
 
class DigitalToMessage {
public:
        DigitalToMessage();
        void setCallback(void (*newCallback)(bool, unsigned int, void*), void* arg){
                callbackArg = arg;
                stateChangedCallback = newCallback;
                if(newCallback != NULL){
                        callbackEnabled = true;
                } else {
                        callbackEnabled = false;
                }
        };
        void process(unsigned int bit, uint32_t* array, unsigned int length){
                if(callbackEnabled == false){
                        return;
                }
                for(unsigned int n = 0 ; n < length; ++n){
                        bool state = ((array[n]) >> (bit)) & 1;
                        if(state != lastState){ //TODO: use debounceLength
                                stateChangedCallback(state, n, callbackArg);
                        }
                        lastState = state;
                }
        };
        void setDebounceLength(unsigned int length);
        virtual ~DigitalToMessage();
private:
        unsigned int debounceLength;
        bool callbackEnabled;
        void* callbackArg;
        void (*stateChangedCallback)(bool, unsigned int, void*);
        bool lastState;
};
 
#endif /* DIGITALTOMESSAGE_H_ */