mirror of
https://github.com/f4exb/sdrangel.git
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592 lines
16 KiB
C++
592 lines
16 KiB
C++
#ifndef LEANSDR_GUI_H
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#define LEANSDR_GUI_H
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#include <sys/time.h>
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#include "framework.h"
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namespace leansdr {
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//////////////////////////////////////////////////////////////////////
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// GUI blocks
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//////////////////////////////////////////////////////////////////////
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#ifdef GUI
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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static const int DEFAULT_GUI_DECIMATION = 64;
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struct gfx {
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Display *display;
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int screen;
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int w, h;
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Window window;
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GC gc;
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Pixmap dbuf;
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gfx(scheduler *sch, const char *name) {
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window_placement *wp;
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for ( wp=sch->windows; wp && wp->name; ++wp )
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if ( ! strcmp(wp->name, name) ) break;
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if ( wp && wp->name )
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init(wp->name, wp->x, wp->y, wp->w, wp->h);
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else {
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fprintf(stderr, "No placement hints for window '%s'\n", name);
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init(name, -1, -1, 320, 240);
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}
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}
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gfx(const char *name, int _x, int _y, int _w, int _h) {
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init(name, _x, _y, _w, _h);
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}
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void init(const char *name, int _x, int _y, int _w, int _h) {
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buttons = 0;
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clicks = 0;
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mmoved = false;
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w = _w;
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h = _h;
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display = XOpenDisplay(getenv("DISPLAY"));
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if ( ! display ) fatal("display");
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screen = DefaultScreen(display);
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XSetWindowAttributes xswa;
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xswa.event_mask = (ExposureMask|
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StructureNotifyMask|
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ButtonPressMask|
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ButtonReleaseMask|
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KeyPressMask|
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KeyReleaseMask|
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PointerMotionMask);
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xswa.background_pixel = BlackPixel(display, screen);
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window = XCreateWindow(display, DefaultRootWindow(display),
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100,100, w,h, 10, CopyFromParent,InputOutput,
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CopyFromParent, CWEventMask|CWBackPixel,
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&xswa);
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if ( !window ) fatal("window");
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XStoreName(display, window, name);
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XMapWindow(display, window);
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if ( _x>=0 && _y>=0 )
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XMoveWindow(display, window, _x, _y);
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dbuf = XCreatePixmap(display, window, w, h, DefaultDepth(display,screen));
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gc = XCreateGC(display, dbuf, 0, NULL);
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if ( ! gc ) fatal("gc");
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}
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void clear() {
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setfg(0, 0, 0);
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XFillRectangle(display, dbuf, gc, 0, 0, w, h);
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}
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void show() {
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XCopyArea(display, dbuf, window, gc, 0, 0, w, h, 0, 0);
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}
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void sync() {
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XSync(display, False);
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}
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void events() {
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XEvent ev;
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while ( XCheckWindowEvent(display, window, -1, &ev) ) {
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switch ( ev.type ) {
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case ButtonPress: {
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int b = ev.xbutton.button;
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buttons |= 1<<b;
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clicks |= 1<<b;
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mx = ev.xbutton.x;
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my = ev.xbutton.y;
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break;
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}
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case ButtonRelease: {
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int b = ev.xbutton.button;
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buttons &= ~(1<<b);
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mx = ev.xbutton.x;
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my = ev.xbutton.y;
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break;
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}
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case MotionNotify:
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mx = ev.xbutton.x;
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my = ev.xbutton.y;
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mmoved = true;
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break;
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}
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}
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}
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void setfg(unsigned char r, unsigned char g, unsigned char b) {
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XColor c;
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c.red = r<<8; c.green = g<<8; c.blue = b<<8;
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c.flags = DoRed | DoGreen | DoBlue;
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if ( ! XAllocColor(display, DefaultColormap(display,screen), &c) )
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fatal("color");
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XSetForeground(display, gc, c.pixel);
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}
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void point(int x, int y) {
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XDrawPoint(display, dbuf, gc, x, y);
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}
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void line(int x0, int y0, int x1, int y1) {
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XDrawLine(display, dbuf, gc, x0,y0, x1,y1);
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}
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void text(int x, int y, const char *s) {
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XDrawString(display, dbuf, gc, x,y, s, strlen(s));
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}
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void transient_text(int x, int y, const char *s) {
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XDrawString(display, window, gc, x,y, s, strlen(s));
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}
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int buttons; // Mask of button states (2|4|8)
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int clicks; // Same, accumulated (must be cleared by owner)
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int mx, my; // Cursor position
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bool mmoved; // Pointer moved (must be cleared by owner)
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};
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template<typename T>
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struct cscope : runnable {
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T xymin, xymax;
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unsigned long decimation;
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unsigned long pixels_per_frame;
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cstln_lut<256> **cstln; // Optional ptr to optional constellation
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cscope(scheduler *sch, pipebuf< complex<T> > &_in, T _xymin, T _xymax,
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const char *_name=NULL)
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: runnable(sch, _name?_name:_in.name),
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xymin(_xymin), xymax(_xymax),
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decimation(DEFAULT_GUI_DECIMATION), pixels_per_frame(1024),
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cstln(NULL),
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in(_in), phase(0), g(sch, name) {
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}
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void run() {
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while ( in.readable() >= pixels_per_frame ) {
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if ( ! phase ) {
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draw_begin();
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g.setfg(0, 255, 0);
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complex<T> *p = in.rd(), *pend = p+pixels_per_frame;
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for ( ; p<pend; ++p )
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g.point(g.w*(p->re-xymin)/(xymax-xymin),
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g.h - g.h*(p->im-xymin)/(xymax-xymin));
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if ( cstln && (*cstln) ) {
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// Plot constellation points
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g.setfg(255, 255, 255);
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for ( int i=0; i<(*cstln)->nsymbols; ++i ) {
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complex<signed char> *p = &(*cstln)->symbols[i];
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int x = g.w*(p->re-xymin)/(xymax-xymin);
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int y = g.h - g.h*(p->im-xymin)/(xymax-xymin);
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for ( int d=-2; d<=2; ++d ) {
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g.point(x+d, y);
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g.point(x, y+d);
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}
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}
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}
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g.show();
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g.sync();
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}
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in.read(pixels_per_frame);
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if ( ++phase >= decimation ) phase = 0;
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}
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}
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//private:
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pipereader< complex<T> > in;
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unsigned long phase;
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gfx g;
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void draw_begin() {
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g.clear();
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g.setfg(0, 255, 0);
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g.line(g.w/2,0, g.w/2, g.h);
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g.line(0,g.h/2, g.w,g.h/2);
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}
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};
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template<typename T>
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struct wavescope : runnable {
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T ymin, ymax;
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unsigned long decimation;
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wavescope(scheduler *sch, pipebuf<T> &_in,
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T _ymin, T _ymax, const char *_name=NULL)
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: runnable(sch, _name?_name:_in.name),
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in(_in), ymin(_ymin), ymax(_ymax),
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decimation(DEFAULT_GUI_DECIMATION),
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g(sch, name), phase(0),
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x(0) {
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g.clear();
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}
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void run() {
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while ( in.readable() >= g.w ) {
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if ( ! phase ) plot(in.rd(), g.w);
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in.read(g.w);
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if ( ++phase >= decimation ) phase = 0;
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}
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}
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void plot(T *p, int count) {
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T *pend = p + count;
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g.clear();
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g.setfg(0, 255, 0);
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for ( int x=0; p<pend; ++x,++p ) {
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T v = *p;
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g.point(x, g.h-1 - (g.h-1)*(v-ymin)/(ymax-ymin));
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}
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g.show();
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g.sync();
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}
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private:
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pipereader<T> in;
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int phase;
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gfx g;
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int x;
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};
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template<typename T>
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struct slowmultiscope : runnable {
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struct chanspec {
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pipebuf<T> *in;
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const char *name, *format;
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unsigned char rgb[3];
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float scale;
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float ymin, ymax;
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enum flag {
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DEFAULT = 0,
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ASYNC = 1, // Read whatever is available
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COUNT = 2, // Display number of items read instead of value
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SUM = 4, // Display sum of values
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LINE = 8, // Connect points
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WRAP = 16, // Modulo min..max
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DISABLED = 32, // Ignore channel
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} flags;
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};
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unsigned long samples_per_pixel;
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float sample_freq; // Sample rate in Hz (used for cursor operations)
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slowmultiscope(scheduler *sch, const chanspec *specs, int nspecs,
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const char *_name)
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: runnable(sch, _name?_name:"slowmultiscope"),
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samples_per_pixel(1), sample_freq(1),
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g(sch, name), t(0), x(0), total_samples(0) {
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chans = new channel[nspecs];
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nchans = 0;
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for ( int i=0; i<nspecs; ++i ) {
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if ( specs[i].flags & chanspec::DISABLED ) continue;
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chans[nchans].spec = specs[i];
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chans[nchans].in = new pipereader<T>(*specs[i].in);
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chans[nchans].accum = 0;
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++nchans;
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}
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g.clear();
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}
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void run() {
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// Read up to one pixel worth of data
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unsigned long count = samples_per_pixel;
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for ( channel *c=chans; c<chans+nchans; ++c )
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if ( ! (c->spec.flags&chanspec::ASYNC) )
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count = min(count, c->in->readable());
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for ( int n=count; n--; ) {
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for ( channel *c=chans; c<chans+nchans; ++c ) {
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int nr;
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if ( c->spec.flags & chanspec::ASYNC )
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// For async channels, read any and all available data.
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nr = c->in->readable();
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else
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nr = 1;
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g.setfg(c->spec.rgb[0], c->spec.rgb[1], c->spec.rgb[2]);
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int y = -1;
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while ( nr-- ) {
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float v = *c->in->rd() * c->spec.scale;
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if ( c->spec.flags & chanspec::COUNT )
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++c->accum;
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else if ( c->spec.flags & chanspec::SUM )
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c->accum += v;
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else {
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c->print_val = v;
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float nv = (v-c->spec.ymin) / (c->spec.ymax-c->spec.ymin);
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if ( c->spec.flags & chanspec::WRAP )
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nv = nv - floor(nv);
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y = g.h - g.h*nv;
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}
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c->in->read(1);
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}
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// Display count/sum channels only when the cursor is about to move.
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if ( (c->spec.flags&(chanspec::COUNT|chanspec::SUM)) &&
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t+1 >= samples_per_pixel ) {
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T v = c->accum;
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y = g.h-1 - g.h*(v-c->spec.ymin)/(c->spec.ymax-c->spec.ymin);
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c->accum = 0;
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c->print_val = v;
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}
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if ( y >= 0 ) {
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if ( c->spec.flags & chanspec::LINE ) {
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if ( x ) g.line(x-1, c->prev_y, x, y);
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c->prev_y = y;
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} else
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g.point(x, y);
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}
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}
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g.show();
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// Print instantatenous values as text
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for ( int i=0; i<nchans; ++i ) {
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channel *c = &chans[i];
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g.setfg(c->spec.rgb[0], c->spec.rgb[1], c->spec.rgb[2]);
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char text[256];
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sprintf(text, c->spec.format, c->print_val);
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g.transient_text(5, 20+16*i, text);
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}
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run_gui();
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if ( ++t >= samples_per_pixel ) {
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t = 0;
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++x;
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if ( x >= g.w ) x = 0;
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g.setfg(0, 0, 0);
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g.line(x, 0, x, g.h-1);
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}
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run_gui();
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g.sync();
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}
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total_samples += count;
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}
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void run_gui() {
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g.events();
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// Print cursor time
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float ct = g.mx * samples_per_pixel / sample_freq;
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float tt = total_samples / sample_freq;
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char text[256];
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sprintf(text, "%.3f / %.3f s", ct, tt);
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g.setfg(255, 255, 255);
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g.transient_text(g.w*3/4, 20, text);
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}
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private:
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int nchans;
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struct channel {
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chanspec spec;
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pipereader<T> *in;
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float accum;
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int prev_y;
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float print_val;
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} *chans;
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gfx g;
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unsigned long t;
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int x;
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int total_samples;
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};
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template<typename T>
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struct spectrumscope : runnable {
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T ymax;
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float amax;
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unsigned long size;
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unsigned long decimation;
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spectrumscope(scheduler *sch, pipebuf< complex<T> > & _in,
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T _max, const char *_name=NULL)
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: runnable(sch, _name?_name:_in.name),
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ymax(_max), amax(_max),
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size(4096), decimation(DEFAULT_GUI_DECIMATION),
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in(_in), phase(0), g(sch, name), fft(NULL) {
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}
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void run() {
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while ( in.readable() >= size ) {
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if ( ! phase ) do_fft(in.rd());
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in.read(size);
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if ( ++phase >= decimation ) phase = 0;
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}
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}
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private:
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pipereader< complex<T> > in;
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int phase;
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gfx g;
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cfft_engine<float> *fft;
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void do_fft(complex<T> *input) {
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draw_begin();
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if ( !fft || fft->n!=size ) {
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if ( fft ) delete fft;
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fft = new cfft_engine<float>(size);
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}
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complex<T> *pin=input, *pend=pin+size;
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complex<float> data[size], *pout=data;
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g.setfg(255, 0, 0);
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for ( int x=0; pin<pend; ++pin,++pout,++x ) {
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pout->re = (float)pin->re;
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pout->im = (float)pin->im;
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// g.point(x, g.h/2-pout->re*g.h/2/ymax);
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}
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fft->inplace(data, true);
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g.setfg(0, 255, 0);
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for ( int i=0; i<size; ++i ) {
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int x = ((i<size/2)?i+size/2:i-size/2) * g.w / size;
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complex<float> v = data[i];;
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float y = hypot(v.re, v.im);
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g.line(x, g.h-1, x, g.h-1-y*g.h/amax);
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}
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if ( g.buttons ) {
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char s[256];
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float f = 2.4e6 * (g.mx-g.w/2) / g.w;
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sprintf(s, "%f", f);
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g.text(16, 16, s);
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}
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g.show();
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g.sync();
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}
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void draw_begin() {
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g.clear();
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g.setfg(255, 255, 255);
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g.line(g.w/2,0, g.w/2,g.h);
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}
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};
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template<typename T>
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struct rfscope : runnable {
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unsigned long size;
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unsigned long decimation;
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float Fs; // Sampling freq for display (Hz)
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float Fc; // Center freq for display (Hz)
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int ncursors;
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float *cursors; // Cursor frequencies
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float hzoom; // Horizontal zoom factor
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float db0, dbrange; // Vertical range db0 .. db0+dbrange
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float bw; // Smoothing bandwidth
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rfscope(scheduler *sch, pipebuf< complex<T> > & _in,
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const char *_name=NULL)
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: runnable(sch, _name?_name:_in.name),
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size(4096), decimation(DEFAULT_GUI_DECIMATION),
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Fs(1), Fc(0), ncursors(0), hzoom(1),
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db0(-25), dbrange(50), bw(0.05),
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in(_in), phase(0), g(sch, name), fft(NULL), filtered(NULL) {
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}
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void run() {
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while ( in.readable() >= size ) {
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if ( ! phase ) do_fft(in.rd());
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in.read(size);
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if ( ++phase >= decimation ) phase = 0;
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}
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}
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private:
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pipereader< complex<T> > in;
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int phase;
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gfx g;
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cfft_engine<float> *fft;
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float *filtered;
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void do_fft(complex<T> *input) {
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g.events();
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draw_begin();
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if ( !fft || fft->n!=size ) {
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if ( fft ) delete fft;
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fft = new cfft_engine<float>(size);
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}
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// Convert to complex<float> and transform
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complex<T> *pin=input, *pend=pin+size;
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complex<float> data[size], *pout=data;
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for ( int x=0; pin<pend; ++pin,++pout,++x ) {
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pout->re = (float)pin->re;
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pout->im = (float)pin->im;
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}
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fft->inplace(data, true);
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float amp2[size];
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for ( int i=0; i<size; ++i ) {
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complex<float> &v = data[i];;
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amp2[i] = (v.re*v.re + v.im*v.im)*size;
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}
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if ( ! filtered ) {
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filtered = new float[size];
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for ( int i=0; i<size; ++i ) filtered[i] = amp2[i];
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}
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float bwcomp = 1 - bw;
|
|
g.setfg(0, 255, 0);
|
|
for ( int i=0; i<size; ++i ) {
|
|
filtered[i] = amp2[i]*bw + filtered[i]*bwcomp;
|
|
float db = filtered[i] ? 10 * logf(filtered[i])/logf(10) : db0;
|
|
int is = (i<size/2) ? i : i-size;
|
|
int x = g.w/2 + is*hzoom*g.w/size;
|
|
int y = g.h-1 - (db-db0)*g.h/dbrange;
|
|
g.line(x, g.h-1, x, y);
|
|
}
|
|
if ( g.buttons ) {
|
|
char s[256];
|
|
float freq = Fc + Fs*(g.mx-g.w/2)/g.w/hzoom;
|
|
float val = db0 + (float)((g.h-1)-g.my)*dbrange/g.h;
|
|
sprintf(s, "%f.3 Hz %f.2 dB", freq, val);
|
|
g.setfg(255, 255, 255);
|
|
g.text(16, 16, s);
|
|
}
|
|
// Draw cursors
|
|
g.setfg(255, 255, 0);
|
|
for ( int i=0; i<ncursors; ++i ) {
|
|
int x = g.w/2 + (cursors[i]-Fc)*hzoom*g.w/Fs;
|
|
g.line(x,0, x,g.h-1);
|
|
}
|
|
g.show();
|
|
g.sync();
|
|
}
|
|
void draw_begin() {
|
|
g.clear();
|
|
// dB scale
|
|
g.setfg(64, 64, 64);
|
|
for ( float db=floorf(db0); db<db0+dbrange; ++db ) {
|
|
int y = g.h-1 - (db-db0)*g.h/dbrange;
|
|
g.line(0,y, g.w-1,y);
|
|
}
|
|
// DC line
|
|
g.setfg(255, 255, 255);
|
|
g.line(g.w/2,0, g.w/2,g.h);
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
struct genscope : runnable {
|
|
struct render {
|
|
int x, y;
|
|
char dir; // 'h'orizontal or 'v'ertical
|
|
};
|
|
struct chanspec {
|
|
pipebuf<T> *in; // NULL if disabled
|
|
render r;
|
|
};
|
|
genscope(scheduler *sch, chanspec *specs, int _nchans,
|
|
const char *_name=NULL)
|
|
: runnable(sch, _name?_name:"genscope"),
|
|
nchans(_nchans),
|
|
g(sch, name) {
|
|
chans = new channel[nchans];
|
|
for ( int i=0; i<nchans; ++i ) {
|
|
if ( ! specs[i].in ) {
|
|
chans[i].in = NULL;
|
|
} else {
|
|
chans[i].spec = specs[i];
|
|
chans[i].in = new pipereader<T>(*specs[i].in);
|
|
}
|
|
}
|
|
g.clear();
|
|
gettimeofday(&tv, NULL);
|
|
}
|
|
struct channel {
|
|
chanspec spec;
|
|
pipereader<T> *in;
|
|
} *chans;
|
|
int nchans;
|
|
struct timeval tv;
|
|
void run() {
|
|
g.setfg(0, 255, 0);
|
|
for ( channel *pc=chans; pc<chans+nchans; ++pc ) {
|
|
if ( ! pc->in ) continue;
|
|
int n = pc->in->readable();
|
|
T last = pc->in->rd()[n-1];
|
|
pc->in->read(n);
|
|
int dx = pc->spec.r.dir=='h' ? last : 0;
|
|
int dy = pc->spec.r.dir=='v' ? last : 0;
|
|
dx /= 3;
|
|
dy /= 3;
|
|
g.line(pc->spec.r.x-dx, pc->spec.r.y-dy,
|
|
pc->spec.r.x+dx, pc->spec.r.y+dy);
|
|
char txt[16];
|
|
sprintf(txt, "%d", (int)last);
|
|
g.text(pc->spec.r.x+5, pc->spec.r.y-2, txt);
|
|
}
|
|
struct timeval newtv;
|
|
gettimeofday(&newtv, NULL);
|
|
int dt = (newtv.tv_sec-tv.tv_sec)*1000 + (newtv.tv_usec-tv.tv_usec)/1000;
|
|
if ( dt > 100 ) {
|
|
fprintf(stderr, "#");
|
|
g.show();
|
|
g.sync();
|
|
g.clear();
|
|
tv = newtv;
|
|
}
|
|
}
|
|
private:
|
|
gfx g;
|
|
};
|
|
|
|
#endif // GUI
|
|
|
|
} // namespace
|
|
|
|
#endif // LEANSDR_GUI_H
|