From fd917417bfd90209c2b5e53eb9fac1db5a347e00 Mon Sep 17 00:00:00 2001
From: cnlohr <charles@cnlohr.com>
Date: Fri, 16 Jan 2015 02:28:24 -0500
Subject: [PATCH] Add the network displayer

---
 DisplayNetwork.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++
 Makefile         |   2 +-
 default.conf     |   2 +-
 netlight.conf    |  21 ++++++++
 4 files changed, 145 insertions(+), 2 deletions(-)
 create mode 100644 DisplayNetwork.c
 create mode 100644 netlight.conf

diff --git a/DisplayNetwork.c b/DisplayNetwork.c
new file mode 100644
index 0000000..a72a6a3
--- /dev/null
+++ b/DisplayNetwork.c
@@ -0,0 +1,122 @@
+#include "outdrivers.h"
+#include "notefinder.h"
+#include <stdio.h>
+#include "parameters.h"
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include "color.h"
+#include "DrawFunctions.h"
+#include <unistd.h>
+
+#define MAX_BUFFER 1487
+
+struct DPODriver
+{
+	int leds;
+	int skipfirst;
+	int firstval;
+	int port;
+	int oldport;
+	char address[PARAM_BUFF];
+	char oldaddress[PARAM_BUFF];
+	struct sockaddr_in servaddr;
+	int socket;
+};
+
+
+static void DPOUpdate(void * id, struct NoteFinder*nf)
+{
+	struct DPODriver * d = (struct DPODriver*)id;
+	int i, j;
+
+	if( strcmp( d->oldaddress, d->address ) != 0 || d->socket == -1 || d->oldport != d->port )
+	{
+		d->socket = socket(AF_INET,SOCK_DGRAM,0);
+
+
+		struct hostent *hname;
+		hname = gethostbyname(d->address);
+
+		if( hname )
+		{
+			bzero(&d->servaddr, sizeof(d->servaddr));
+			d->servaddr.sin_family = hname->h_addrtype;
+			d->servaddr.sin_port = htons( d->port );
+			d->servaddr.sin_addr.s_addr = *(long*)hname->h_addr;
+
+			if( d->socket >= 0 )
+			{
+				d->oldport = d->port;
+				memcpy( d->oldaddress, d->address, PARAM_BUFF );
+			}
+			else
+			{
+				fprintf( stderr, "Socket Error.\n" );
+			}
+		}
+		else
+		{
+			fprintf( stderr, "Error: Cannot find host \"%s\":%d\n", d->address, d->port );
+		}
+	}
+
+	if( d->socket > 0 )
+	{
+		char buffer[MAX_BUFFER];
+		i = 0;
+		while( i < d->skipfirst )
+			buffer[i++] = d->firstval;
+
+		if( d->leds * 3 + i >= MAX_BUFFER )
+			d->leds = (MAX_BUFFER-1)/3;
+
+		for( j = 0; j < d->leds; j++ )
+		{
+			buffer[i++] = OutLEDs[j*3+2];
+			buffer[i++] = OutLEDs[j*3+0];
+			buffer[i++] = OutLEDs[j*3+1];
+		}
+		int r = sendto( d->socket, buffer, i, MSG_NOSIGNAL, &d->servaddr, sizeof( d->servaddr ) );
+		if( r < 0 )
+		{
+			fprintf( stderr, "Send fault.\n" );
+			close( d->socket );
+			d->socket = -1;
+		}
+	}
+
+}
+
+static void DPOParams(void * id )
+{
+	struct DPODriver * d = (struct DPODriver*)id;
+	strcpy( d->address, "localhost" );
+
+	d->leds = 10;		RegisterValue(  "leds", PINT, &d->leds, sizeof( d->leds ) );
+	d->skipfirst = 1;	RegisterValue(  "skipfirst", PINT, &d->skipfirst, sizeof( d->skipfirst ) );
+	d->port = 7777;		RegisterValue(  "port", PINT, &d->port, sizeof( d->port ) );
+	d->firstval = 0;	RegisterValue(  "firstval", PINT, &d->firstval, sizeof( d->firstval ) );
+						RegisterValue(  "address", PBUFFER, d->address, sizeof( d->address ) );
+	d->socket = -1;
+	d->oldaddress[0] = 0;
+}
+
+static struct DriverInstances * DisplayNetwork(const char * parameters)
+{
+	struct DriverInstances * ret = malloc( sizeof( struct DriverInstances ) );
+	struct DPODriver * d = ret->id = malloc( sizeof( struct DPODriver ) );
+	memset( d, 0, sizeof( struct DPODriver ) );
+	ret->Func = DPOUpdate;
+	ret->Params = DPOParams;
+	DPOParams( d );
+	return ret;
+}
+
+REGISTER_OUT_DRIVER(DisplayNetwork);
+
+
diff --git a/Makefile b/Makefile
index 8632152..a2a011d 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ all : colorchord
 
 RAWDRAW:=DrawFunctions.o XDriver.o
 SOUND:=sound.o sound_alsa.o sound_pulse.o sound_null.o
-OUTS := OutputVoronoi.o DisplayArray.o OutputLinear.o DisplayPie.o
+OUTS := OutputVoronoi.o DisplayArray.o OutputLinear.o DisplayPie.o DisplayNetwork.o
 
 #LEDOUTDriver.o DisplayOUTDriver.o
 
diff --git a/default.conf b/default.conf
index 7cce114..29a70f3 100644
--- a/default.conf
+++ b/default.conf
@@ -39,7 +39,7 @@ base_hz = 55.0000
 # default_sigma = 1.4000
 
 # DFT properties for the DFT up top.
-dft_iir = 0.0
+dft_iir = 0.6
 dft_q = 20.0000
 dft_speedup = 1000.0000
 octaves = 5
diff --git a/netlight.conf b/netlight.conf
new file mode 100644
index 0000000..cb099f6
--- /dev/null
+++ b/netlight.conf
@@ -0,0 +1,21 @@
+
+#What display output driver should be used?
+outdrivers = DisplayNetwork, OutputLinear
+leds = 296
+light_siding = 1.4
+satamp = 6.000
+is_loop=0
+led_floor = .2
+note_attach_amp_iir2 = .0500
+note_attach_amp_iir2 = .1500
+note_attach_freq_iir = 0.3000
+steady_bright = 0
+#dft_iir = 0.0
+#dft_q = 20.0000
+#dft_speedup = 1000.0000
+
+skipfirst = 1
+firstval = 0
+port = 7777
+address = 192.168.0.245
+