Add tool to simulate LEDs
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all : embeddedcc
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all : embeddedcc dummy_leds
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CFLAGS:=-Os -I. -I.. -flto -I../embeddedcommon
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LDFLAGS:= -s -Wl,--relax -Wl,-Map=test.map -Wl,--gc-sections -ffunction-sections -fdata-sections -Wl,--strip-all -fno-asynchronous-unwind-tables
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#LDFLAGS:=-O0 -g
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CFLAGS:=-Ofast -DCCEMBEDDED -I.. -flto -m32 -DDFREQ=11025 -I../embeddedcommon -DNUM_LIN_LEDS=20
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LDFLAGS:=-ffunction-sections -Wl,--gc-sections -fno-asynchronous-unwind-tables -Wl,--strip-all
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embeddedcc : ../embeddedcommon/embeddednf.c ../embeddedcommon/DFT32.c embeddedcc.c ../embeddedcommon/embeddedout.c
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gcc -o $@ $^ $(CFLAGS) $(LDFLAGS)
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gcc -o $@ $^ $(CFLAGS) $(LDFLAGS) -m32
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dummy_leds : dummy_leds.c
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gcc -o $@ $^ -lX11 -lpthread $(CFLAGS) $(LDFLAGS)
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#SOUNDDEVICE:= --device=alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
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SOUNDDEVICE:= --device=alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
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#OUTIP:=192.168.4.1
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OUTIP:=127.0.0.1
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runembedded : embeddedcc
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parec --format=u8 --rate=11025 --channels=1 $(SOUNDDEVICE) --latency=128 | ./embeddedcc 192.168.4.1 0
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parec --format=u8 --rate=16000 --channels=1 $(SOUNDDEVICE) --latency=128 | ./embeddedcc $(OUTIP) 1
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clean :
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rm -rf embeddedcc *~
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rm -rf embeddedcc *~ dummy_leds
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11
embeddedlinux/ccconfig.h
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11
embeddedlinux/ccconfig.h
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#ifndef _CCCONFIG_H
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#define _CCCONFIG_H
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#define CCEMBEDDED
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#define NUM_LIN_LEDS 300
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#define USE_NUM_LIN_LEDS 300
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#define DFREQ 16000
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#endif
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108
embeddedlinux/dummy_leds.c
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108
embeddedlinux/dummy_leds.c
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#include <ccconfig.h>
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#include <X11/Xlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#include <stdio.h>
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pthread_t pt;
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Display *d;
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Window w;
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XEvent e;
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int sockfd;
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struct sockaddr_in servaddr;
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int wid, hei;
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uint8_t mesg[NUM_LIN_LEDS*3+3];
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#define LEDS_PER_ROW 15
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#define LED_SIZE 15
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void thread_function( void * tf )
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{
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int n;
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struct sockaddr_in cliaddr;
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socklen_t len;
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XEvent exppp;
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while(1)
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{
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len = sizeof(cliaddr);
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n = recvfrom(sockfd,mesg,sizeof(mesg),0,(struct sockaddr *)&cliaddr,&len);
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//XSendEventXClearArea( d, w, 0, 0, 1, 1, 1 );
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XLockDisplay( d );
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memset(&exppp, 0, sizeof(exppp));
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exppp.type = Expose;
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exppp.xexpose.window = w;
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XSendEvent(d,w,False,ExposureMask,&exppp);
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XFlush( d );
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XUnlockDisplay( d );
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}
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}
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int main(void)
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{
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int n;
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sockfd=socket(AF_INET,SOCK_DGRAM,0);
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bzero(&servaddr,sizeof(servaddr));
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servaddr.sin_family = AF_INET;
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servaddr.sin_addr.s_addr=htonl(INADDR_ANY);
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servaddr.sin_port=htons(7777);
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if( bind(sockfd,(struct sockaddr *)&servaddr,sizeof(servaddr)) )
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{
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fprintf( stderr, "Error binding.\n" );
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}
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memset( mesg, 0, sizeof( mesg ) );
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pthread_create (&pt, NULL, (void *) &thread_function, (void *)0);
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int s;
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wid = LEDS_PER_ROW;
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hei = NUM_LIN_LEDS/LEDS_PER_ROW + ( (NUM_LIN_LEDS%LEDS_PER_ROW)?1:0 );
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XInitThreads();
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d = XOpenDisplay(NULL);
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if (d == NULL) {
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fprintf(stderr, "Cannot open display\n");
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exit(1);
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}
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s = DefaultScreen(d);
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w = XCreateSimpleWindow(d, RootWindow(d, s), 10, 10, wid*LED_SIZE, hei*LED_SIZE, 1, BlackPixel(d, s), WhitePixel(d, s));
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XSetStandardProperties( d, w, "LED Simulaor", "LED Simulator", None, NULL, 0, NULL );
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XSelectInput(d, w, ExposureMask | KeyPressMask);
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XMapWindow(d, w);
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GC dgc = XCreateGC(d, w, 0, 0);
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while (1) {
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XNextEvent(d, &e);
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if (e.type == Expose) {
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for( n = 0; n < NUM_LIN_LEDS; n++ )
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{
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unsigned long color = ( mesg[n*3+3] << 8 ) | ( mesg[n*3+4] << 16 ) | (mesg[n*3+5] << 0);
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XSetForeground(d, dgc, color);
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int x = n % wid;
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int y = n / wid;
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XFillRectangle(d, w, dgc, x*LED_SIZE, y*LED_SIZE, LED_SIZE, LED_SIZE);
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}
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}
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// if (e.type == ClientMessage )
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// break;
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}
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XCloseDisplay(d);
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return 0;
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}
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