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meter_graph.c
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meter_graph.c
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// Copyright (c) <2012> <Leif Asbrink>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify,
// merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
#include <string.h>
#include "globdef.h"
#include "uidef.h"
#include "fft1def.h"
#include "sigdef.h"
#include "screendef.h"
#include "thrdef.h"
#include "vernr.h"
#if OSNUM == OSNUM_WINDOWS
#include "wscreen.h"
#endif
#if OSNUM == OSNUM_LINUX
#include "lscreen.h"
#endif
#define MG_MIN_WIDTH 5.5*text_width
#define MG_MIN_HEIGHT 8*text_height
void make_meter_graph(int clear_old);
int meter_graph_scro;
int mg_old_y1;
int mg_old_y2;
int mg_old_x1;
int mg_old_x2;
#define MG_MIN_SCALESEP 1.2
#define DB2DBM 106
void change_meter_cal(void)
{
if(mg.scale_type == MG_SCALE_DBM)mg.cal_dbm=numinput_float_data;
if(mg.scale_type == MG_SCALE_STON)mg.cal_ston=numinput_float_data;
if(mg.scale_type == MG_SCALE_SUNITS)mg.cal_s_units=numinput_float_data;
make_meter_graph(TRUE);
}
void change_meter_ston_sigshift(void)
{
mg.cal_ston_sigshift=numinput_float_data;
make_meter_graph(TRUE);
}
int help_on_meter_graph(void)
{
// Nothing is selected in the data area.
int mmg_no = 312;
int event_no;
for (event_no = 0; event_no < MAX_MGBUTT; ++ event_no)
if (mgbutt[event_no].x1 <= mouse_x && mgbutt[event_no].x2 >= mouse_x &&
mgbutt[event_no].y1 <= mouse_y && mgbutt[event_no].y2 >= mouse_y) {
switch (event_no) {
case MG_TOP:
case MG_BOTTOM:
case MG_LEFT:
case MG_RIGHT: return 102;
case MG_CHANGE_CAL: return 90;
case MG_CHANGE_TYPE: return 91;
case MG_INCREASE_AVGN: return 92;
case MG_DECREASE_AVGN: return 93;
case MG_INCREASE_GAIN: return 94;
case MG_DECREASE_GAIN: return 95;
case MG_INCREASE_YREF: return 96;
case MG_DECREASE_YREF: return 97;
case MG_CHANGE_TRACKS: return 98;
case MG_SCALE_STON_SIGSHIFT:return 341;
}
}
return mmg_no;
}
void mouse_continue_meter_graph(void)
{
int j, ypix;
switch (mouse_active_flag-1) {
case MG_TOP:
if(mg.ytop!=mouse_y) {
pause_screen_and_hide_mouse();
graph_borders((void*)&mg,0);
mg.ytop=mouse_y;
j=mg.ybottom-MG_MIN_HEIGHT;
if(j<0)j=0;
if(mg.ytop > j)mg.ytop=j;
if(mg_old_y1 > mg.ytop)mg_old_y1=mg.ytop;
graph_borders((void*)&mg,15);
resume_thread(THREAD_SCREEN);
}
break;
case MG_BOTTOM:
if(mg.ybottom!=mouse_y) {
pause_screen_and_hide_mouse();
graph_borders((void*)&mg,0);
mg.ybottom=mouse_y;
j=mg.ytop+MG_MIN_HEIGHT;
if(j>=screen_height)j=screen_height-1;
if(mg.ybottom < j)mg.ybottom=j;
if(mg_old_y2 < mg.ybottom)mg_old_y2=mg.ybottom;
graph_borders((void*)&mg,15);
resume_thread(THREAD_SCREEN);
}
break;
case MG_LEFT:
if(mg.xleft!=mouse_x) {
pause_screen_and_hide_mouse();
graph_borders((void*)&mg,0);
mg.xleft=mouse_x;
j=mg.xright-MG_MIN_WIDTH;
if(j<0)j=0;
if(mg.xleft > j)mg.xleft=j;
if(mg_old_x1 > mg.xleft)mg_old_x1=mg.xleft;
graph_borders((void*)&mg,15);
resume_thread(THREAD_SCREEN);
}
break;
case MG_RIGHT:
if(mg.xright!=mouse_x) {
pause_screen_and_hide_mouse();
graph_borders((void*)&mg,0);
mg.xright=mouse_x;
j=mg.xleft+MG_MIN_WIDTH;
if(j >= screen_width)j=screen_width-1;
if(mg.xright < j)mg.xright=j;
if(mg_old_x2 < mg.xright)mg_old_x2=mg.xright;
graph_borders((void*)&mg,15);
resume_thread(THREAD_SCREEN);
}
break;
default:
goto await_release;
}
if(leftpressed == BUTTON_RELEASED)goto finish;
return;
await_release:
;
if(leftpressed != BUTTON_RELEASED) return;
switch (mouse_active_flag-1) {
case MG_CHANGE_CAL:
mouse_active_flag=1;
numinput_xpix=mgbutt[MG_CHANGE_CAL].x1+text_width/2-1;
numinput_ypix=mgbutt[MG_CHANGE_CAL].y1+2;
numinput_chars=6;
erase_numinput_txt();
numinput_flag=FIXED_FLOAT_PARM;
par_from_keyboard_routine=change_meter_cal;
return;
case MG_CHANGE_TYPE:
mg.scale_type++;
if(genparm[SECOND_FFT_ENABLE] == 0 &&
mg.scale_type == MG_SCALE_STON)mg.scale_type++;
if(mg.scale_type >= MG_SCALE_MAX)mg.scale_type=0;
break;
case MG_INCREASE_AVGN:
mg.avgnum<<=1;
timf2_blockpower_px=-1;
break;
case MG_DECREASE_AVGN:
mg.avgnum>>=1;
if(mg.avgnum ==0)mg.avgnum=1;
timf2_blockpower_px=-1;
break;
case MG_INCREASE_GAIN:
ypix=mg.yzero+mg.ygain*mg_midscale;;
mg.ygain*=1.3;
mg.yzero=ypix-mg.ygain*mg_midscale;;
break;
case MG_DECREASE_GAIN:
ypix=mg.yzero+mg.ygain*mg_midscale;;
mg.ygain/=1.4;
mg.yzero=ypix-mg.ygain*mg_midscale;;
break;
case MG_INCREASE_YREF:
mg.yzero-=0.09*(mg.ybottom-mg.ytop);
break;
case MG_DECREASE_YREF:
mg.yzero+=0.1*(mg.ybottom-mg.ytop);
break;
case MG_SCALE_STON_SIGSHIFT:
if(mg.scale_type == MG_SCALE_STON) {
mouse_active_flag=1;
numinput_xpix=mgbutt[MG_SCALE_STON_SIGSHIFT].x1+text_width/2-1;
numinput_ypix=mgbutt[MG_SCALE_STON_SIGSHIFT].y1+2;
numinput_chars=6;
erase_numinput_txt();
numinput_flag=FIXED_FLOAT_PARM;
par_from_keyboard_routine=change_meter_ston_sigshift;
return;
}
case MG_CHANGE_TRACKS:
mg.tracks++;
if(mg.tracks >= 3)mg.tracks=0;
break;
}
finish:
;
leftpressed=BUTTON_IDLE;
make_meter_graph(TRUE);
mouse_active_flag=0;
}
int mg_stonavg_x1;
void mg_compute_stonavg(void)
{
int ia, ib, i, ix, iy, n;
float t1, t2, r1, r2;
char s[80];
// mgw_p points to the screen position corresponding to mg_px
// in the mg_ arrays.
if(rightpressed == BUTTON_IDLE) {
if(leftpressed == BUTTON_RELEASED) {
ia=(mg_stonavg_x1-mgw_p+mg_px+mg_size)&mg_mask;
ib=(mouse_x-mgw_p+mg_px+mg_size)&mg_mask;
if(ib-ia > 0) {
lir_line(mouse_x,mg.ytop,mouse_x,mg.ybottom,13);
i=ia;
t1=0;
t2=0;
n=(ib-ia+mg_size)&mg_mask;
ix=mg_stonavg_x1+text_width/2;
if(ix+16*text_width > screen_width) {
lir_pixwrite(mg.xleft,mg.ytop+3*text_height,"ERROR");
goto skip;
}
iy=mg.ytop+2*text_height;
if(sw_onechan) {
while(i != ib) {
t1+=mg_rms_meter[i];
i=(i+1)&mg_mask;
}
t1/=n;
i=ia;
while(i != ib) {
t2+=(mg_rms_meter[i]-t1)*(mg_rms_meter[i]-t1);
i=(i+1)&mg_mask;
}
t2/=n;
t2=10*sqrt(t2);
t1=10*t1;
if(mg.scale_type == MG_SCALE_STON) {
t1-=mg.cal_ston;
sprintf(s,"S/N %.4fdB",t1);
} else {
if(mg.scale_type == MG_SCALE_DBM) {
t1-=DB2DBM+mg.cal_dbm;
sprintf(s,"RMS %.4fdBm",t1);
} else {
sprintf(s,"RMS %.4fdB",t1);
}
}
lir_pixwrite(ix,iy,s);
iy+=text_height;
sprintf(s,"dev %.4fdB",t2);
lir_pixwrite(ix,iy,s);
iy+=text_height;
sprintf(s,"N = %d",n);
lir_pixwrite(ix,iy,s);
} else {
r1=0;
r2=0;
while(i != ib) {
t1+=mg_rms_meter[2*i ];
r1+=mg_rms_meter[2*i+1];
i=(i+1)&mg_mask;
}
t1/=n;
r1/=n;
i=ia;
while(i != ib) {
t2+=(mg_rms_meter[2*i ]-t1)*(mg_rms_meter[2*i ]-t1);
r2+=(mg_rms_meter[2*i+1]-r1)*(mg_rms_meter[2*i+1]-r1);
i=(i+1)&mg_mask;
}
t2/=n;
r2/=n;
t2=10*sqrt(t2);
r2=10*sqrt(r2);
t1=10*t1;
r1=10*r1;
if(mg.scale_type == MG_SCALE_STON) {
t1-=mg.cal_ston;
r1-=mg.cal_ston;
sprintf(s,"S/N ");
} else {
if(mg.scale_type == MG_SCALE_DBM) {
t1-=DB2DBM+mg.cal_dbm;
r1-=DB2DBM+mg.cal_dbm;
}
sprintf(s,"RMS ");
}
sprintf(&s[4],"%.4fdB",t1);
lir_pixwrite(ix,iy,s);
iy+=text_height;
sprintf(&s[4],"%.4fdB",r1);
lir_pixwrite(ix,iy,s);
iy+=text_height;
sprintf(s,"RMS %.4fdB",t2);
lir_pixwrite(ix,iy,s);
iy+=text_height;
sprintf(s,"RMS %.4fdB",r2);
lir_pixwrite(ix,iy,s);
iy+=text_height;
sprintf(s,"N = %d",n);
iy+=text_height;
lir_pixwrite(ix,iy,s);
iy+=text_height;
}
}
skip:
;
leftpressed=BUTTON_IDLE;
mouse_active_flag=0;
}
} else {
if(rightpressed == BUTTON_RELEASED) {
rightpressed=BUTTON_IDLE;
mouse_active_flag=0;
}
}
}
void mouse_on_meter_graph(void)
{
int event_no;
// First find out is we are on a button or border line.
for(event_no=0; event_no<MAX_MGBUTT; event_no++) {
if( mgbutt[event_no].x1 <= mouse_x &&
mgbutt[event_no].x2 >= mouse_x &&
mgbutt[event_no].y1 <= mouse_y &&
mgbutt[event_no].y2 >= mouse_y) {
mg_old_y1=mg.ytop;
mg_old_y2=mg.ybottom;
mg_old_x1=mg.xleft;
mg_old_x2=mg.xright;
mouse_active_flag=1+event_no;
current_mouse_activity=mouse_continue_meter_graph;
return;
}
}
// Not button or border.
if(mouse_x >= mg_first_xpixel && mouse_x < mg_last_xpixel) {
mg_stonavg_x1=mouse_x;
lir_line(mouse_x,mg.ytop,mouse_x,mg.ybottom,12);
current_mouse_activity=mg_compute_stonavg;
} else {
current_mouse_activity=mouse_nothing;
}
mouse_active_flag=1;
}
void check_mg(int n);
void make_meter_graph(int clear_old)
{
int i, ypix, sunit_flag;
double t1, t2;
if(clear_old) {
pause_thread(THREAD_SCREEN);
hide_mouse(mg_old_x1,mg_old_x2,mg_old_y1,mg_old_y2);
lir_fillbox(mg_old_x1,mg_old_y1,mg_old_x2-mg_old_x1+1,
mg_old_y2-mg_old_y1+1,0);
}
current_graph_minh=MG_MIN_HEIGHT;
current_graph_minw=MG_MIN_WIDTH;
check_graph_placement((void*)(&mg));
clear_button(mgbutt, MAX_MGBUTT);
scro[meter_graph_scro].no=METER_GRAPH;
scro[meter_graph_scro].x1=mg.xleft;
scro[meter_graph_scro].x2=mg.xright;
scro[meter_graph_scro].y1=mg.ytop;
scro[meter_graph_scro].y2=mg.ybottom;
// Each border line is treated as a button.
// That is for the mouse to get hold of them so the window can be moved.
mgbutt[MG_LEFT].x1=mg.xleft;
mgbutt[MG_LEFT].x2=mg.xleft+2;
mgbutt[MG_LEFT].y1=mg.ytop;
mgbutt[MG_LEFT].y2=mg.ybottom;
mgbutt[MG_RIGHT].x1=mg.xright-2;
mgbutt[MG_RIGHT].x2=mg.xright;
mgbutt[MG_RIGHT].y1=mg.ytop;
mgbutt[MG_RIGHT].y2=mg.ybottom;
mgbutt[MG_TOP].x1=mg.xleft;
mgbutt[MG_TOP].x2=mg.xright;
mgbutt[MG_TOP].y1=mg.ytop;
mgbutt[MG_TOP].y2=mg.ytop+2;
mgbutt[MG_BOTTOM].x1=mg.xleft;
mgbutt[MG_BOTTOM].x2=mg.xright;
mgbutt[MG_BOTTOM].y1=mg.ybottom-2;
mgbutt[MG_BOTTOM].y2=mg.ybottom;
mg_first_xpixel=mg.xleft+7*text_width;
mg_last_xpixel=mg.xright-1;
if(mg.xright-mg.xleft < 12.5*text_width) {
mg_bar=TRUE;
} else {
if(mg_bar) {
mg_pa=0;
mg_px=0;
mgw_p=mg_first_xpixel;
}
mg_bar=FALSE;
make_button(mg.xright-3*text_width,mg.ybottom-text_height/2-2,
mgbutt,MG_INCREASE_AVGN,27);
make_button(mg.xright-5*text_width,mg.ybottom-text_height/2-2,
mgbutt,MG_DECREASE_AVGN,26);
make_button(mg.xleft+text_width,mg.ytop+text_height/2+2,
mgbutt,MG_INCREASE_GAIN,24);
make_button(mg.xleft+text_width,mg.ybottom-text_height/2-2,
mgbutt,MG_DECREASE_GAIN,25);
make_button(mg.xright-text_width,mg.ybottom-text_height/2-2,
mgbutt,MG_INCREASE_YREF,25);
make_button(mg.xright-text_width,mg.ytop+text_height/2+2,
mgbutt,MG_DECREASE_YREF,24);
make_button(mg.xright-3*text_width,mg.ytop+text_height/2+2,
mgbutt,MG_CHANGE_TRACKS,' ');
mgbutt[MG_CHANGE_CAL].y1=mg.ytop+1;
mgbutt[MG_CHANGE_CAL].y2=mg.ytop+text_height+2;
if(mg.scale_type != MG_SCALE_DB) {
mgbutt[MG_CHANGE_CAL].x1=mg.xleft+2*text_width;
mgbutt[MG_CHANGE_CAL].x2=mg.xleft+8.5*text_width;
} else {
mgbutt[MG_CHANGE_CAL].x1=screen_width+1;
mgbutt[MG_CHANGE_CAL].x2=screen_width+1;
}
if(mg.scale_type == MG_SCALE_STON) {
mgbutt[MG_SCALE_STON_SIGSHIFT].x1=mgbutt[MG_CHANGE_CAL].x2+text_width/2;
mgbutt[MG_SCALE_STON_SIGSHIFT].x2=
mgbutt[MG_SCALE_STON_SIGSHIFT].x1+6.5*text_width;
mgbutt[MG_SCALE_STON_SIGSHIFT].y1=mgbutt[MG_CHANGE_CAL].y1;
mgbutt[MG_SCALE_STON_SIGSHIFT].y2=mgbutt[MG_CHANGE_CAL].y2;
}
mgbutt[MG_CHANGE_TYPE].x1=mg.xleft+2*text_width;
mgbutt[MG_CHANGE_TYPE].y1=mg.ybottom-3-text_height;
mgbutt[MG_CHANGE_TYPE].y2=mg.ybottom-2;
switch (mg.scale_type) {
case MG_SCALE_DB:
mgbutt[MG_CHANGE_TYPE].x2=mg.xleft+4.5*text_width;
break;
case MG_SCALE_DBM:
case MG_SCALE_STON:
mgbutt[MG_CHANGE_TYPE].x2=mg.xleft+5.5*text_width;
break;
case MG_SCALE_SUNITS:
mgbutt[MG_CHANGE_TYPE].x2=mg.xleft+3.5*text_width;
break;
}
}
// ************************************************
// Make an Y-scale in dB, dBm or S-units.
// ************************************************
// The separation between scale lines, has to be at least
// MG_MIN_SCALESEP*text_height. In dB this corresponds to mg_dbstep.
mg_dbstep=10*MG_MIN_SCALESEP*text_height/mg.ygain;
if(mg.scale_type == MG_SCALE_SUNITS) {
i=1+mg_dbstep/6;
mg_dbstep=6*i;
} else {
adjust_scale(&mg_dbstep);
}
// Make mg_dbscale_start the dB value for the first pixel in the graph (mg_rms_meter[]=0)
// Then make it a multiple of mg_dbstep and make sure we have enough
// space to write text.
mg_scale_offset=0;
if(mg.scale_type == MG_SCALE_DBM)mg_scale_offset=DB2DBM+mg.cal_dbm;
if(mg.scale_type == MG_SCALE_STON)mg_scale_offset=mg.cal_ston;
if(mg.scale_type == MG_SCALE_SUNITS)mg_scale_offset=6+mg.cal_s_units;
mg_dbscale_start=-10*mg.yzero/mg.ygain-mg_scale_offset;
mg_dbscale_start/=mg_dbstep;
mg_dbscale_start=(int)mg_dbscale_start;
mg_dbscale_start*=mg_dbstep;
for(i=0; i<screen_height; i++)mg_behind_meter[i]=0;
mg_ymin=mg.ybottom-5-text_height;
mg_ymax=mg.ytop+3+text_height;
ypix=mg.yzero+0.1*mg.ygain*(mg_dbscale_start+mg_scale_offset);
mg_midscale=mg_dbscale_start;
t1=mg_dbscale_start;
t2=mg_dbstep;
sunit_flag=0;
mg_bar_x1=mg.xleft+2*text_width;
mg_bar_x2=mg_bar_x1+3*text_width;
mg_bar_y=mg.ybottom-2;
mg_y0=mg.ybottom-1;
while(mg_ymin-ypix > mg_ymax) {
if(ypix >=0) {
if(mg.scale_type == MG_SCALE_SUNITS) {
if(t1 > 54.111 && sunit_flag == 0) {
sunit_flag=1;
i=1+mg_dbstep/5;
t2=5*i;
t1=54+t2;
ypix=mg.yzero+0.1*mg.ygain*(t1+mg_scale_offset);
}
}
if(mg_ymin-ypix > mg_ymax && mg_ymin-ypix < mg_ymin) {
mg_behind_meter[mg_ymin-ypix]=57;
}
}
t1+=t2;
ypix=mg.yzero+0.1*mg.ygain*(t1+mg_scale_offset);
}
mg_midscale=0.1*(mg_scale_offset+(mg_midscale+t1-t2)*0.5);
make_modepar_file(GRAPHTYPE_MG);
for(i=0; i<ui.rx_rf_channels*mg_size; i++) {
mg_peak_ypix[i]=mg_ymin;
mg_rms_ypix[i]=mg_ymin;
}
sc[SC_MG_REDRAW]++;
if(clear_old) resume_thread(THREAD_SCREEN);
}
void init_meter_graph(void)
{
if (read_modepar_file(GRAPHTYPE_MG) == 0) {
mg_default:
;
mg.xright=screen_width-1;
mg.xleft=mg.xright-14*text_width;
mg.ytop=wg.ybottom+1;
mg.ybottom=mg.ytop+22*text_height;
mg.scale_type=MG_SCALE_SUNITS;
mg.avgnum=baseband_sampling_speed*0.05;
if(mg.avgnum < 1)mg.avgnum=1;
make_power_of_two(&mg.avgnum);
mg.ygain=(1.01+MG_MIN_SCALESEP)*text_height;
mg.yzero=-26;
mg.cal_dbm=0;
mg.cal_ston=0;
mg.cal_ston_sigshift=0;
mg.cal_s_units=0;
mg.tracks=0;
mg.check=MG_VERNR;
}
if(mg.ygain<=0)goto mg_default;
if(mg.scale_type < 0 || mg.scale_type >= MG_SCALE_MAX)goto mg_default;
if(genparm[SECOND_FFT_ENABLE] == 0 &&
mg.scale_type == MG_SCALE_STON)goto mg_default;
if(mg.avgnum < 1 || mg.avgnum > baseband_sampling_speed*3600)goto mg_default;
if(mg.ygain < 0.01 || mg.ygain > 100000)goto mg_default;
if(fabs(mg.cal_dbm) > 1000)goto mg_default;
if(fabs(mg.cal_ston) > 1000)goto mg_default;
if(fabs(mg.cal_ston_sigshift) > 1000)goto mg_default;
if(fabs(mg.cal_s_units) > 100)goto mg_default;
if(mg.check != MG_VERNR)goto mg_default;
if(mg.tracks < 0 || mg.tracks > 3)goto mg_default;
make_meter_graph(FALSE);
mg_pa=0;
mg_px=0;
mgw_p=mg_first_xpixel;
baseb_pm=baseb_pa;
mg_flag=1;
}
void manage_meter_graph(void)
{
sc[SC_UPDATE_METER_GRAPH]=sd[SC_UPDATE_METER_GRAPH];
if(cg.meter_graph_on == 1) {
if(mg_flag==0) {
mg_clear_flag=TRUE;
init_meter_graph();
make_meter_graph(FALSE);
}
} else {
if(mg_flag==1) {
mg_flag=0;
lir_fillbox(mg.xleft,mg.ytop,mg.xright-mg.xleft+1,mg.ybottom-mg.ytop+1,0);
clear_button(mgbutt, MAX_MGBUTT);
}
}
}