comparison projects/scope/render.cpp @ 118:26ad97b8aa9e scope-refactoring

Missing file from previous commit

 		receiveAudio.startThread();
 
 	for(unsigned int n = 0; n < context->audioFrames; n++) {
 	    
 		float chn0 = sinf(gPhase1);
-	    float chn1 = sinf(gPhase2);
+    //  float chn1 = sinf(gPhase2);
 
-	    float chn2 = context->audioIn[n*2 + 0];
-	    float chn3 = context->audioIn[n*2 + 1];
+    //  float chn2 = context->audioIn[n*2 + 0];
+    //  float chn3 = context->audioIn[n*2 + 1];
 
-	    float chn4 = context->analogIn[(int)n/2*8 + 0];
-	    float chn5 = context->analogIn[(int)n/2*8 + 1];
-		scope.log(0, chn0);
-		scope.log(1, chn1);
-		scope.log(2, chn2);
-		scope.log(3, chn3);
-		scope.log(4, chn4);
-		scope.log(5, chn5);
+    //  float chn4 = context->analogIn[(int)n/2*8 + 0];
+    //  float chn5 = context->analogIn[(int)n/2*8 + 1];
+			scope.log(0, chn0);
+		//  scope.log(1, chn1);
+		//  scope.log(2, chn2);
+		//  scope.log(3, chn3);
+		//  scope.log(4, chn4);
+		//  scope.log(5, chn5);
 	    
 //	    scope.log(chn1, chn2, chn3, chn4, chn5, chn6);
 	    //call this once every audio frame
 	    //takes six or fewer floats as parameters
 	    //first parameter becomes channel 1 etc
 	    //to view, click the 'oscilloscope' button on the toolbar while BeagleRT is NOT running
 	    //then click the big red button on the toolbar on this page
 	    
 	    gPhase1 += 2.0 * M_PI * gFrequency1 * gInverseSampleRate * ((count&4095)/4096.0+1);
-	    gPhase2 += 2.0 * M_PI * gFrequency2 * gInverseSampleRate;
+			gPhase2 += 2.0 * M_PI * gFrequency2 * gInverseSampleRate;
 		if(gPhase1 > 2.0 * M_PI)
 			gPhase1 -= 2.0 * M_PI;
 		if(gPhase2 > 2.0 * M_PI)
 			gPhase2 -= 2.0 * M_PI;
 		
 	}
-	if(count>100)
-		receiveAudio.getSamplesSrc(context->audioOut, context->audioFrames, 1);
+	static float buffer[32]; //this should be context->audioFrames
+	if(count==0){
+		for(int n=0; n<32; n++)
+			buffer[n]=0;
+	}
+	if(count>0){
+		int readPointer=receiveAudio.getSamplesSrc(buffer, context->audioFrames, 1);
+    for(int n=0; n<context->audioFrames; n++){
+      context->audioOut[n*2]=buffer[n];
+      context->audioOut[n*2+1]=buffer[n];
+    }
+  }
 	count++;
 }
 
 // cleanup_render() is called once at the end, after the audio has stopped.
 // Release any resources that were allocated in initialise_render().