comparison include/DigitalToMessage.h @ 345:0e1e0dfe24c5 prerelease

Added embryonal support for digital messages with libpd. TODO: test it, only process used channels, add defines. It is quite CPU-intensive

+/*
+ * 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_ */