changeset 252:381f352c44eb

Removed obsolete scope project
author Giulio Moro <giuliomoro@yahoo.it>
date Wed, 11 May 2016 10:29:23 +0100
parents cbf70fe3711b
children 33e0e4831763 ac8eb07afcf5
files projects/scope/main.cpp projects/scope/render.cpp
diffstat 2 files changed, 0 insertions(+), 198 deletions(-) [+]
line wrap: on
line diff
--- a/projects/scope/main.cpp	Thu Apr 28 19:40:41 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,97 +0,0 @@
-/*
- * main.cpp
- *
- *  Created on: Oct 24, 2014
- *      Author: parallels
- */
-#include <unistd.h>
-#include <iostream>
-#include <cstdlib>
-#include <libgen.h>
-#include <signal.h>
-#include <getopt.h>
-#include <BeagleRT.h>
-
-using namespace std;
-
-// Handle Ctrl-C by requesting that the audio rendering stop
-void interrupt_handler(int var)
-{
-	gShouldStop = true;
-}
-
-// Print usage information
-void usage(const char * processName)
-{
-	cerr << "Usage: " << processName << " [options]" << endl;
-
-	BeagleRT_usage();
-
-	cerr << "   --frequency [-f] frequency: Set the frequency of the oscillator\n";
-	cerr << "   --help [-h]:                Print this menu\n";
-}
-
-int main(int argc, char *argv[])
-{
-	BeagleRTInitSettings settings;	// Standard audio settings
-	float frequency = 440.0;	// Frequency of oscillator
-
-	struct option customOptions[] =
-	{
-		{"help", 0, NULL, 'h'},
-		{"frequency", 1, NULL, 'f'},
-		{NULL, 0, NULL, 0}
-	};
-
-	// Set default settings
-	BeagleRT_defaultSettings(&settings);
-
-	// Parse command-line arguments
-	while (1) {
-		int c;
-		if ((c = BeagleRT_getopt_long(argc, argv, "hf:", customOptions, &settings)) < 0)
-				break;
-		switch (c) {
-		case 'h':
-				usage(basename(argv[0]));
-				exit(0);
-		case 'f':
-				frequency = atof(optarg);
-				break;
-		case '?':
-		default:
-				usage(basename(argv[0]));
-				exit(1);
-		}
-	}
-
-	// Initialise the PRU audio device
-	if(BeagleRT_initAudio(&settings, &frequency) != 0) {
-		cout << "Error: unable to initialise audio" << endl;
-		return -1;
-	}
-
-	// Start the audio device running
-	if(BeagleRT_startAudio()) {
-		cout << "Error: unable to start real-time audio" << endl;
-		return -1;
-	}
-
-	// Set up interrupt handler to catch Control-C and SIGTERM
-	signal(SIGINT, interrupt_handler);
-	signal(SIGTERM, interrupt_handler);
-
-	// Run until told to stop
-	while(!gShouldStop) {
-		usleep(100000);
-	}
-
-	// Stop the audio device
-	BeagleRT_stopAudio();
-
-	// Clean up any resources allocated for audio
-	BeagleRT_cleanupAudio();
-
-	// All done!
-	return 0;
-}
--- a/projects/scope/render.cpp	Thu Apr 28 19:40:41 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,101 +0,0 @@
-#include <BeagleRT.h> 
-#include <NetworkSend.h>
-#include <ReceiveAudioThread.h>
-#include <cmath>
-
-float gPhase1, gPhase2;
-float gFrequency1, gFrequency2;
-float gInverseSampleRate;
-
-Scope scope(2);   //create a scope object with 2 channels
-NetworkSend networkSend;
-
-// initialise_render() is called once before the audio rendering starts.
-// Use it to perform any initialisation and allocation which is dependent
-// on the period size or sample rate.
-//
-// userData holds an opaque pointer to a data structure that was passed
-// in from the call to initAudio().
-//
-// Return true on success; returning false halts the program.
-ReceiveAudioThread receiveAudio0;
-ReceiveAudioThread receiveAudio1;
-bool setup(BeagleRTContext *context, void *userData)
-{
-	receiveAudio0.init(9999, context->audioFrames, 0);
-	receiveAudio1.init(10000, context->audioFrames, 1);
-
-	scope.setup();  //call this once in setup to initialise the scope
-	scope.setPort(0, 9999);
-	scope.setPort(1, 10000);
-//	networkSend.setup(context->audioSampleRate, 0, 9999, "192.168.7.1");
-	 
-	gInverseSampleRate = 1.0/context->audioSampleRate;
-	
-	gPhase1 = 0.0;
-	gPhase2 = 0.0;
-	
-	gFrequency1 = 200.0;
-	gFrequency2 = 201.0;
-
-	return true; 
-}
-
-// render() is called regularly at the highest priority by the audio engine.
-// Input and output are given from the audio hardware and the other
-// ADCs and DACs (if available). If only audio is available, numMatrixFrames
-// will be 0.
-
-void render(BeagleRTContext *context, void *userData)
-{
-	static int count=0;
-	if(count==0){
-		printf("startHread\n");
-		ReceiveAudioThread::startThread();
-	}
-	for(unsigned int n = 0; n < context->audioFrames; n++) {
-	    
-		float chn0 = sinf(gPhase1);
-		float chn1 = sinf(gPhase2);
-
-    //  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);
-	    
-//	    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;
-		if(gPhase1 > 2.0 * M_PI)
-			gPhase1 -= 2.0 * M_PI;
-		if(gPhase2 > 2.0 * M_PI)
-			gPhase2 -= 2.0 * M_PI;
-		
-	}
-	if(count>0){
-		int readPointer0=receiveAudio0.getSamplesSrc(context->audioOut, context->audioFrames, 1, 2, 0);
-		int readPointer1=receiveAudio1.getSamplesSrc(context->audioOut, context->audioFrames, 1, 2, 1);
-	}
-	count++;
-}
-
-// cleanup_render() is called once at the end, after the audio has stopped.
-// Release any resources that were allocated in initialise_render().
-
-void cleanup(BeagleRTContext *context, void *userData)
-{
-    
-}