NanoVNA/plot.c
DiSlord f90b920d5e More comments
Rewrite flash.c for less size
Add cache for check checksum (more faster interpolate, used in multi segments sweep)
More fixes for font and select size of marker icon
More debug functions
2020-08-01 19:44:34 +03:00

1787 lines
45 KiB
C

/*
* Copyright (c) 2014-2015, TAKAHASHI Tomohiro (TTRFTECH) edy555@gmail.com
* All rights reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* The software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <math.h>
#include <string.h>
#include "ch.h"
#include "hal.h"
#include "chprintf.h"
#include "nanovna.h"
static void cell_draw_marker_info(int x0, int y0);
static void draw_battery_status(void);
static int16_t grid_offset;
static int16_t grid_width;
int16_t area_width = AREA_WIDTH_NORMAL;
int16_t area_height = AREA_HEIGHT_NORMAL;
// Cell render use spi buffer
typedef uint16_t pixel_t;
pixel_t *cell_buffer = (pixel_t *)spi_buffer;
// Cell size
// Depends from spi_buffer size, CELLWIDTH*CELLHEIGHT*sizeof(pixel) <= sizeof(spi_buffer)
#define CELLWIDTH (64)
#define CELLHEIGHT (32)
// Check buffer size
#if CELLWIDTH*CELLHEIGHT > SPI_BUFFER_SIZE
#error "Too small spi_buffer size SPI_BUFFER_SIZE < CELLWIDTH*CELLHEIGH"
#endif
// indicate dirty cells (not redraw if cell data not changed)
#define MAX_MARKMAP_X ((LCD_WIDTH+CELLWIDTH-1)/CELLWIDTH)
#define MAX_MARKMAP_Y ((LCD_HEIGHT+CELLHEIGHT-1)/CELLHEIGHT)
// Define markmap mask size
#if MAX_MARKMAP_X <= 8
typedef uint8_t map_t;
#elif MAX_MARKMAP_X <= 16
typedef uint16_t map_t;
#elif MAX_MARKMAP_X <= 32
typedef uint32_t map_t;
#endif
map_t markmap[2][MAX_MARKMAP_Y];
uint8_t current_mappage = 0;
// Trace data cache, for faster redraw cells
// CELL_X[16:31] x position
// CELL_Y[ 0:15] y position
typedef uint32_t index_t;
static index_t trace_index[TRACES_MAX][POINTS_COUNT];
#define INDEX(x, y) ((((index_t)x)<<16)|(((index_t)y)))
#define CELL_X(i) (int)(((i)>>16))
#define CELL_Y(i) (int)(((i)&0xFFFF))
//#define float2int(v) ((int)(v))
static int
float2int(float v)
{
if (v < 0) return v - 0.5;
if (v > 0) return v + 0.5;
return 0;
}
void update_grid(void)
{
uint32_t gdigit = 100000000;
uint32_t fstart = get_sweep_frequency(ST_START);
uint32_t fspan = get_sweep_frequency(ST_SPAN);
uint32_t grid;
while (gdigit > 100) {
grid = 5 * gdigit;
if (fspan / grid >= 4)
break;
grid = 2 * gdigit;
if (fspan / grid >= 4)
break;
grid = gdigit;
if (fspan / grid >= 4)
break;
gdigit /= 10;
}
grid_offset = (WIDTH) * ((fstart % grid) / 100) / (fspan / 100);
grid_width = (WIDTH) * (grid / 100) / (fspan / 1000);
force_set_markmap();
redraw_request |= REDRAW_FREQUENCY;
}
static inline int
circle_inout(int x, int y, int r)
{
int d = x*x + y*y - r*r;
if (d < -r)
return 1;
if (d > r)
return -1;
return 0;
}
static int
polar_grid(int x, int y)
{
int d;
// offset to center
x -= P_CENTER_X;
y -= P_CENTER_Y;
// outer circle
d = circle_inout(x, y, P_RADIUS);
if (d < 0) return 0;
if (d == 0) return 1;
// vertical and horizontal axis
if (x == 0 || y == 0) return 1;
d = circle_inout(x, y, P_RADIUS / 5);
if (d == 0) return 1;
if (d > 0) return 0;
d = circle_inout(x, y, P_RADIUS * 2 / 5);
if (d == 0) return 1;
if (d > 0) return 0;
// cross sloping lines
if (x == y || x == -y) return 1;
d = circle_inout(x, y, P_RADIUS * 3 / 5);
if (d == 0) return 1;
if (d > 0) return 0;
d = circle_inout(x, y, P_RADIUS * 4 / 5);
if (d == 0) return 1;
return 0;
}
/*
* Constant Resistance circle: (u - r/(r+1))^2 + v^2 = 1/(r+1)^2
* Constant Reactance circle: (u - 1)^2 + (v-1/x)^2 = 1/x^2
*/
static int
smith_grid(int x, int y)
{
int d;
// offset to center
x -= P_CENTER_X;
y -= P_CENTER_Y;
// outer circle
d = circle_inout(x, y, P_RADIUS);
if (d < 0) return 0;
if (d == 0) return 1;
// horizontal axis
if (y == 0) return 1;
// shift circle center to right origin
x -= P_RADIUS;
// Constant Reactance Circle: 2j : R/2 = P_RADIUS/2
if (circle_inout(x, y + P_RADIUS / 2, P_RADIUS / 2) == 0) return 1;
if (circle_inout(x, y - P_RADIUS / 2, P_RADIUS / 2) == 0) return 1;
// Constant Resistance Circle: 3 : R/4 = P_RADIUS/4
d = circle_inout(x + P_RADIUS / 4, y, P_RADIUS / 4);
if (d > 0) return 0;
if (d == 0) return 1;
// Constant Reactance Circle: 1j : R = P_RADIUS
if (circle_inout(x, y + P_RADIUS, P_RADIUS) == 0) return 1;
if (circle_inout(x, y - P_RADIUS, P_RADIUS) == 0) return 1;
// Constant Resistance Circle: 1 : R/2
d = circle_inout(x + P_RADIUS / 2, y, P_RADIUS / 2);
if (d > 0) return 0;
if (d == 0) return 1;
// Constant Reactance Circle: 1/2j : R*2
if (circle_inout(x, y + P_RADIUS * 2, P_RADIUS * 2) == 0) return 1;
if (circle_inout(x, y - P_RADIUS * 2, P_RADIUS * 2) == 0) return 1;
// Constant Resistance Circle: 1/3 : R*3/4
if (circle_inout(x + P_RADIUS * 3 / 4, y, P_RADIUS * 3 / 4) == 0) return 1;
return 0;
}
#if 0
static int
smith_grid2(int x, int y, float scale)
{
int d;
// offset to center
x -= P_CENTER_X;
y -= P_CENTER_Y;
// outer circle
d = circle_inout(x, y, P_RADIUS);
if (d < 0)
return 0;
if (d == 0)
return 1;
// shift circle center to right origin
x -= P_RADIUS * scale;
// Constant Reactance Circle: 2j : R/2 = 58
if (circle_inout(x, y+58*scale, 58*scale) == 0)
return 1;
if (circle_inout(x, y-58*scale, 58*scale) == 0)
return 1;
#if 0
// Constant Resistance Circle: 3 : R/4 = 29
d = circle_inout(x+29*scale, y, 29*scale);
if (d > 0) return 0;
if (d == 0) return 1;
d = circle_inout(x-29*scale, y, 29*scale);
if (d > 0) return 0;
if (d == 0) return 1;
#endif
// Constant Reactance Circle: 1j : R = 116
if (circle_inout(x, y+116*scale, 116*scale) == 0)
return 1;
if (circle_inout(x, y-116*scale, 116*scale) == 0)
return 1;
// Constant Resistance Circle: 1 : R/2 = 58
d = circle_inout(x+58*scale, y, 58*scale);
if (d > 0) return 0;
if (d == 0) return 1;
d = circle_inout(x-58*scale, y, 58*scale);
if (d > 0) return 0;
if (d == 0) return 1;
// Constant Reactance Circle: 1/2j : R*2 = 232
if (circle_inout(x, y+232*scale, 232*scale) == 0)
return 1;
if (circle_inout(x, y-232*scale, 232*scale) == 0)
return 1;
#if 0
// Constant Resistance Circle: 1/3 : R*3/4 = 87
d = circle_inout(x+87*scale, y, 87*scale);
if (d > 0) return 0;
if (d == 0) return 1;
d = circle_inout(x+87*scale, y, 87*scale);
if (d > 0) return 0;
if (d == 0) return 1;
#endif
// Constant Resistance Circle: 0 : R
d = circle_inout(x+P_RADIUS*scale, y, P_RADIUS*scale);
if (d > 0) return 0;
if (d == 0) return 1;
d = circle_inout(x-P_RADIUS*scale, y, P_RADIUS*scale);
if (d > 0) return 0;
if (d == 0) return 1;
// Constant Resistance Circle: -1/3 : R*3/2 = 174
d = circle_inout(x+174*scale, y, 174*scale);
if (d > 0) return 0;
if (d == 0) return 1;
d = circle_inout(x-174*scale, y, 174*scale);
//if (d > 0) return 0;
if (d == 0) return 1;
return 0;
}
#endif
#if 0
const int cirs[][4] = {
{ 0, 58/2, 58/2, 0 }, // Constant Reactance Circle: 2j : R/2 = 58
{ 29/2, 0, 29/2, 1 }, // Constant Resistance Circle: 3 : R/4 = 29
{ 0, 115/2, 115/2, 0 }, // Constant Reactance Circle: 1j : R = 115
{ 58/2, 0, 58/2, 1 }, // Constant Resistance Circle: 1 : R/2 = 58
{ 0, 230/2, 230/2, 0 }, // Constant Reactance Circle: 1/2j : R*2 = 230
{ 86/2, 0, 86/2, 1 }, // Constant Resistance Circle: 1/3 : R*3/4 = 86
{ 0, 460/2, 460/2, 0 }, // Constant Reactance Circle: 1/4j : R*4 = 460
{ 115/2, 0, 115/2, 1 }, // Constant Resistance Circle: 0 : R
{ 173/2, 0, 173/2, 1 }, // Constant Resistance Circle: -1/3 : R*3/2 = 173
{ 0, 0, 0, 0 } // sentinel
};
static int
smith_grid3(int x, int y)
{
int d;
// offset to center
x -= P_CENTER_X;
y -= P_CENTER_Y;
// outer circle
d = circle_inout(x, y, P_RADIUS);
if (d < 0)
return 0;
if (d == 0)
return 1;
// shift circle center to right origin
x -= P_RADIUS /2;
int i;
for (i = 0; cirs[i][2]; i++) {
d = circle_inout(x+cirs[i][0], y+cirs[i][1], cirs[i][2]);
if (d == 0)
return 1;
if (d > 0 && cirs[i][3])
return 0;
d = circle_inout(x-cirs[i][0], y-cirs[i][1], cirs[i][2]);
if (d == 0)
return 1;
if (d > 0 && cirs[i][3])
return 0;
}
return 0;
}
#endif
#if 0
static int
rectangular_grid(int x, int y)
{
//#define FREQ(x) (((x) * (fspan / 1000) / (WIDTH-1)) * 1000 + fstart)
//int32_t n = FREQ(x-1) / fgrid;
//int32_t m = FREQ(x) / fgrid;
//if ((m - n) > 0)
//if (((x * 6) % (WIDTH-1)) < 6)
//if (((x - grid_offset) % grid_width) == 0)
if (x == 0 || x == WIDTH-1)
return 1;
if ((y % GRIDY) == 0)
return 1;
if ((((x + grid_offset) * 10) % grid_width) < 10)
return 1;
return 0;
}
#endif
static int
rectangular_grid_x(int x)
{
x -= CELLOFFSETX;
if (x < 0) return 0;
if (x == 0 || x == WIDTH)
return 1;
if ((((x + grid_offset) * 10) % grid_width) < 10)
return 1;
return 0;
}
static int
rectangular_grid_y(int y)
{
if (y < 0)
return 0;
if ((y % GRIDY) == 0)
return 1;
return 0;
}
#if 0
int
set_strut_grid(int x)
{
uint16_t *buf = spi_buffer;
int y;
for (y = 0; y < HEIGHT; y++) {
int c = rectangular_grid(x, y);
c |= smith_grid(x, y);
*buf++ = c;
}
return y;
}
void
draw_on_strut(int v0, int d, int color)
{
int v;
int v1 = v0 + d;
if (v0 < 0) v0 = 0;
if (v1 < 0) v1 = 0;
if (v0 >= HEIGHT) v0 = HEIGHT-1;
if (v1 >= HEIGHT) v1 = HEIGHT-1;
if (v0 == v1) {
v = v0; d = 2;
} else if (v0 < v1) {
v = v0; d = v1 - v0 + 1;
} else {
v = v1; d = v0 - v1 + 1;
}
while (d-- > 0)
spi_buffer[v++] |= color;
}
#endif
/*
* calculate log10(abs(gamma))
*/
static float
logmag(const float *v)
{
return log10f(v[0]*v[0] + v[1]*v[1]) * 10;
}
/*
* calculate phase[-2:2] of coefficient
*/
static float
phase(const float *v)
{
return 2 * atan2f(v[1], v[0]) / VNA_PI * 90;
}
/*
* calculate groupdelay
*/
static float
groupdelay(const float *v, const float *w, float deltaf)
{
#if 1
// atan(w)-atan(v) = atan((w-v)/(1+wv))
float r = w[0]*v[1] - w[1]*v[0];
float i = w[0]*v[0] + w[1]*v[1];
return atan2f(r, i) / (2 * VNA_PI * deltaf);
#else
return (atan2f(w[0], w[1]) - atan2f(v[0], v[1])) / (2 * VNA_PI * deltaf);
#endif
}
/*
* calculate abs(gamma)
*/
static float
linear(const float *v)
{
return - sqrtf(v[0]*v[0] + v[1]*v[1]);
}
/*
* calculate vswr; (1+gamma)/(1-gamma)
*/
static float
swr(const float *v)
{
float x = sqrtf(v[0]*v[0] + v[1]*v[1]);
if (x >= 1)
return INFINITY;
return (1 + x)/(1 - x);
}
static float
resistance(const float *v)
{
float z0 = 50;
float d = z0 / ((1-v[0])*(1-v[0])+v[1]*v[1]);
float zr = ((1+v[0])*(1-v[0]) - v[1]*v[1]) * d;
return zr;
}
static float
reactance(const float *v)
{
float z0 = 50;
float d = z0 / ((1-v[0])*(1-v[0])+v[1]*v[1]);
float zi = 2*v[1] * d;
return zi;
}
static float
qualityfactor(const float *v)
{
float i = 2*v[1];
float r = (1+v[0])*(1-v[0]) - v[1]*v[1];
return fabs(i / r);
}
static void
cartesian_scale(float re, float im, int *xp, int *yp, float scale)
{
//float scale = 4e-3;
int x = float2int(re * P_RADIUS * scale);
int y = float2int(im * P_RADIUS * scale);
if (x < -P_RADIUS) x = -P_RADIUS;
else if (x > P_RADIUS) x = P_RADIUS;
if (y < -P_RADIUS) y = -P_RADIUS;
else if (y > P_RADIUS) y = P_RADIUS;
*xp = P_CENTER_X + x;
*yp = P_CENTER_Y - y;
}
float
groupdelay_from_array(int i, float array[POINTS_COUNT][2])
{
int bottom = (i == 0) ? 0 : i - 1;
int top = (i == sweep_points-1) ? sweep_points-1 : i + 1;
float deltaf = frequencies[top] - frequencies[bottom];
return groupdelay(array[bottom], array[top], deltaf);
}
static index_t
trace_into_index(int t, int i, float array[POINTS_COUNT][2])
{
int y, x;
float *coeff = array[i];
float refpos = NGRIDY - get_trace_refpos(t);
float v = refpos;
float scale = 1 / get_trace_scale(t);
switch (trace[t].type) {
case TRC_LOGMAG:
v-= logmag(coeff) * scale;
break;
case TRC_PHASE:
v-= phase(coeff) * scale;
break;
case TRC_DELAY:
v-= groupdelay_from_array(i, array) * scale;
break;
case TRC_LINEAR:
v+= linear(coeff) * scale;
break;
case TRC_SWR:
v+= (1 - swr(coeff)) * scale;
break;
case TRC_REAL:
v-= coeff[0] * scale;
break;
case TRC_IMAG:
v-= coeff[1] * scale;
break;
case TRC_R:
v-= resistance(coeff) * scale;
break;
case TRC_X:
v-= reactance(coeff) * scale;
break;
case TRC_Q:
v-= qualityfactor(coeff) * scale;
break;
case TRC_SMITH:
//case TRC_ADMIT:
case TRC_POLAR:
cartesian_scale(coeff[0], coeff[1], &x, &y, scale);
goto set_index;
}
if (v < 0) v = 0;
if (v > NGRIDY) v = NGRIDY;
x = (i * (WIDTH) + (sweep_points-1)/2) / (sweep_points-1) + CELLOFFSETX;
y = float2int(v * GRIDY);
set_index:
return INDEX(x, y);
}
static void
format_smith_value(char *buf, int len, const float coeff[2], uint32_t frequency)
{
// z = (gamma+1)/(gamma-1) * z0
float z0 = 50;
float d = z0 / ((1-coeff[0])*(1-coeff[0])+coeff[1]*coeff[1]);
float zr = ((1+coeff[0])*(1-coeff[0]) - coeff[1]*coeff[1]) * d;
float zi = 2*coeff[1] * d;
char prefix;
float value;
switch (marker_smith_format) {
case MS_LIN:
plot_printf(buf, len, "%.2f %.1f" S_DEGREE, linear(coeff), phase(coeff));
break;
case MS_LOG: {
float v = logmag(coeff);
if (v == -INFINITY)
plot_printf(buf, len, "-"S_INFINITY" dB");
else
plot_printf(buf, len, "%.1fdB %.1f" S_DEGREE, v, phase(coeff));
}
break;
case MS_REIM:
plot_printf(buf, len, "%F%+Fj", coeff[0], coeff[1]);
break;
case MS_RX:
plot_printf(buf, len, "%F%+Fj"S_OHM, zr, zi);
break;
case MS_RLC:
if (zi < 0) {// Capacity
prefix = 'F';
value = -1 / (2 * VNA_PI * frequency * zi);
} else {
prefix = 'H';
value = zi / (2 * VNA_PI * frequency);
}
plot_printf(buf, len, "%F"S_OHM" %F%c", zr, value, prefix);
break;
}
}
static void
trace_get_value_string(int t, char *buf, int len, float array[POINTS_COUNT][2], int i)
{
float *coeff = array[i];
float v;
char *format;
switch (trace[t].type) {
case TRC_LOGMAG:
format = "%.2fdB";
v = logmag(coeff);
break;
case TRC_PHASE:
format = "%.1f"S_DEGREE;
v = phase(coeff);
break;
case TRC_DELAY:
format = "%.2Fs";
v = groupdelay_from_array(i, array);
break;
case TRC_LINEAR:
format = "%.4f";
v = linear(coeff);
break;
case TRC_SWR:
format = "%.4f";
v = swr(coeff);
break;
case TRC_REAL:
format = "%.4f";
v = coeff[0];
break;
case TRC_IMAG:
format = "%.4fj";
v = coeff[1];
break;
case TRC_R:
format = "%.2F"S_OHM;
v = resistance(coeff);
break;
case TRC_X:
format = "%.2F"S_OHM;
v = reactance(coeff);
break;
case TRC_Q:
format = "%.3f";
v = qualityfactor(coeff);
break;
case TRC_SMITH:
format_smith_value(buf, len, coeff, frequencies[i]);
return;
//case TRC_ADMIT:
case TRC_POLAR:
plot_printf(buf, len, "%.2f%+.2fj", coeff[0], coeff[1]);
default:
return;
}
plot_printf(buf, len, format, v);
}
static void
trace_get_value_string_delta(int t, char *buf, int len, float array[POINTS_COUNT][2], int index, int index_ref)
{
float *coeff = array[index];
float *coeff_ref = array[index_ref];
float v;
char *format;
switch (trace[t].type) {
case TRC_LOGMAG:
format = S_DELTA"%.2fdB";
v = logmag(coeff) - logmag(coeff_ref);
break;
case TRC_PHASE:
format = S_DELTA"%.2f"S_DEGREE;
v = phase(coeff) - phase(coeff_ref);
break;
case TRC_DELAY:
format = "%.2Fs";
v = groupdelay_from_array(index, array) - groupdelay_from_array(index_ref, array);
break;
case TRC_LINEAR:
format = S_DELTA"%.3f";
v = linear(coeff) - linear(coeff_ref);
break;
case TRC_SWR:
format = S_DELTA"%.3f";
v = swr(coeff);
if (v != INFINITY) v -= swr(coeff_ref);
break;
case TRC_SMITH:
format_smith_value(buf, len, coeff, frequencies[index]);
return;
case TRC_REAL:
format = S_DELTA"%.3f";
v = coeff[0] - coeff_ref[0];
break;
case TRC_IMAG:
format = S_DELTA"%.3fj";
v = coeff[1] - coeff_ref[1];
break;
case TRC_R:
format = "%.2F"S_OHM;
v = resistance(coeff);
break;
case TRC_X:
format = "%.2F"S_OHM;
v = reactance(coeff);
break;
case TRC_Q:
format = "%.3f";
v = qualityfactor(coeff);
break;
//case TRC_ADMIT:
case TRC_POLAR:
plot_printf(buf, len, "%.2f%+.2fj", coeff[0], coeff[1]);
return;
default:
return;
}
plot_printf(buf, len, format, v);
}
static int
trace_get_info(int t, char *buf, int len)
{
const char *name = get_trace_typename(t);
float scale = get_trace_scale(t);
switch (trace[t].type) {
case TRC_LOGMAG:
return plot_printf(buf, len, "%s %ddB/", name, (int)scale);
case TRC_PHASE:
return plot_printf(buf, len, "%s %d" S_DEGREE "/", name, (int)scale);
case TRC_SMITH:
//case TRC_ADMIT:
case TRC_POLAR:
if (scale != 1.0)
return plot_printf(buf, len, "%s %.1fFS", name, scale);
else
return plot_printf(buf, len, "%s ", name);
default:
return plot_printf(buf, len, "%s %F/", name, scale);
}
return 0;
}
static float time_of_index(int idx)
{
return 1.0 / (float)(frequencies[1] - frequencies[0]) / (float)FFT_SIZE * idx;
}
static float distance_of_index(int idx)
{
float distance = ((float)idx * (float)SPEED_OF_LIGHT) /
((float)(frequencies[1] - frequencies[0]) * (float)FFT_SIZE * 2.0);
return distance * velocity_factor;
}
static inline void
mark_map(int x, int y)
{
if (y >= 0 && y < MAX_MARKMAP_Y && x >= 0 && x < MAX_MARKMAP_X)
markmap[current_mappage][y] |= 1 << x;
}
static inline void
swap_markmap(void)
{
current_mappage^= 1;
}
static void
clear_markmap(void)
{
memset(markmap[current_mappage], 0, sizeof markmap[current_mappage]);
}
void
force_set_markmap(void)
{
memset(markmap[current_mappage], 0xff, sizeof markmap[current_mappage]);
}
void
invalidate_rect(int x0, int y0, int x1, int y1)
{
x0 /= CELLWIDTH;
x1 /= CELLWIDTH;
y0 /= CELLHEIGHT;
y1 /= CELLHEIGHT;
int x, y;
for (y = y0; y <= y1; y++)
for (x = x0; x <= x1; x++)
mark_map(x, y);
}
#define SWAP(x,y) {int t=x;x=y;y=t;}
static void
mark_cells_from_index(void)
{
int t, i, j;
/* mark cells between each neighber points */
map_t *map = &markmap[current_mappage][0];
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
index_t *index = &trace_index[t][0];
int m0 = CELL_X(index[0]) / CELLWIDTH;
int n0 = CELL_Y(index[0]) / CELLHEIGHT;
map[n0] |= 1 << m0;
for (i = 1; i < sweep_points; i++) {
int m1 = CELL_X(index[i]) / CELLWIDTH;
int n1 = CELL_Y(index[i]) / CELLHEIGHT;
if (m0 == m1 && n0 == n1)
continue;
int x0 = m0; int x1 = m1; if (x0>x1) SWAP(x0, x1); m0 = m1;
int y0 = n0; int y1 = n1; if (y0>y1) SWAP(y0, y1); n0 = n1;
for (; y0 <= y1; y0++)
for (j = x0; j <= x1; j++)
map[y0] |= 1 << j;
}
}
}
static inline void
markmap_upperarea(void)
{
// Hardcoded, Text info from upper area
invalidate_rect(0, 0, AREA_WIDTH_NORMAL, 3*FONT_STR_HEIGHT);
}
//
// in most cases _compute_outcode clip calculation not give render line speedup
//
static inline void
cell_drawline(int x0, int y0, int x1, int y1, int c)
{
if (x0 < 0 && x1 < 0) return;
if (y0 < 0 && y1 < 0) return;
if (x0 >= CELLWIDTH && x1 >= CELLWIDTH) return;
if (y0 >= CELLHEIGHT && y1 >= CELLHEIGHT) return;
// modifed Bresenham's line algorithm, see https://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm
if (x1 < x0) { SWAP(x0, x1); SWAP(y0, y1); }
int dx = x1 - x0;
int dy = y1 - y0, sy = 1; if (dy < 0) { dy = -dy; sy = -1; }
int err = (dx > dy ? dx : -dy) / 2;
while (1) {
if (y0 >= 0 && y0 < CELLHEIGHT && x0 >= 0 && x0 < CELLWIDTH)
cell_buffer[y0 * CELLWIDTH + x0] |= c;
if (x0 == x1 && y0 == y1)
return;
int e2 = err;
if (e2 > -dx) { err -= dy; x0++; }
if (e2 < dy) { err += dx; y0+=sy;}
}
}
// Give a little speedup then draw rectangular plot (50 systick on all calls, all render req 700 systick)
// Write more difficult algoritm for seach indexes not give speedup
static int
search_index_range_x(int x1, int x2, index_t index[POINTS_COUNT], int *i0, int *i1)
{
int i, j;
int head = 0;
int tail = sweep_points;
int idx_x;
// Search index point in cell
while (1) {
i = (head + tail) / 2;
idx_x = CELL_X(index[i]);
if (idx_x >= x2) { // index after cell
if (tail == i)
return false;
tail = i;
}
else if (idx_x < x1) { // index before cell
if (head == i)
return false;
head = i;
}
else // index in cell (x =< idx_x < cell_end)
break;
}
j = i;
// Search index left from point
do {
j--;
} while (j > 0 && x1 <= CELL_X(index[j]));
*i0 = j;
// Search index right from point
do {
i++;
} while (i < sweep_points-1 && CELL_X(index[i]) < x2);
*i1 = i;
return TRUE;
}
static void
cell_blit_bitmap(int x, int y, uint16_t w, uint16_t h, const uint8_t *bmp)
{
if (x <= -w)
return;
uint8_t bits = 0;
int c = h+y, r;
for (; y < c; y++) {
for (r = 0; r < w; r++) {
if ((r&7)==0) bits = *bmp++;
if (y >= 0 && x+r >= 0 && y < CELLHEIGHT && x+r < CELLWIDTH && (0x80 & bits))
cell_buffer[y*CELLWIDTH + x + r] = foreground_color;
bits <<= 1;
}
}
}
static void
cell_drawstring(char *str, int x, int y)
{
if (y <= -FONT_GET_HEIGHT || y >= CELLHEIGHT)
return;
while (*str) {
if (x >= CELLWIDTH)
return;
uint8_t ch = *str++;
uint16_t w = FONT_GET_WIDTH(ch);
cell_blit_bitmap(x, y, w, FONT_GET_HEIGHT, FONT_GET_DATA(ch));
x += w;
}
}
#define REFERENCE_WIDTH 6
#define REFERENCE_HEIGHT 5
#define REFERENCE_X_OFFSET 5
#define REFERENCE_Y_OFFSET 2
// Reference bitmap
static const uint8_t reference_bitmap[]={
_BMP8(0b11000000),
_BMP8(0b11110000),
_BMP8(0b11111100),
_BMP8(0b11110000),
_BMP8(0b11000000),
};
#if _USE_BIG_MARKER_ == 0
#define MARKER_WIDTH 7
#define MARKER_HEIGHT 10
#define X_MARKER_OFFSET 3
#define Y_MARKER_OFFSET 10
#define MARKER_BITMAP(i) (&marker_bitmap[(i)*MARKER_HEIGHT])
static const uint8_t marker_bitmap[]={
// Marker Back plate
_BMP8(0b11111110),
_BMP8(0b11111110),
_BMP8(0b11111110),
_BMP8(0b11111110),
_BMP8(0b11111110),
_BMP8(0b11111110),
_BMP8(0b11111110),
_BMP8(0b01111100),
_BMP8(0b00111000),
_BMP8(0b00010000),
// Marker 1
_BMP8(0b00000000),
_BMP8(0b00010000),
_BMP8(0b00110000),
_BMP8(0b00010000),
_BMP8(0b00010000),
_BMP8(0b00010000),
_BMP8(0b00111000),
_BMP8(0b00000000),
_BMP8(0b00000000),
_BMP8(0b00000000),
// Marker 2
_BMP8(0b00000000),
_BMP8(0b00111000),
_BMP8(0b01000100),
_BMP8(0b00000100),
_BMP8(0b00111000),
_BMP8(0b01000000),
_BMP8(0b01111100),
_BMP8(0b00000000),
_BMP8(0b00000000),
_BMP8(0b00000000),
// Marker 3
_BMP8(0b00000000),
_BMP8(0b00111000),
_BMP8(0b01000100),
_BMP8(0b00011000),
_BMP8(0b00000100),
_BMP8(0b01000100),
_BMP8(0b00111000),
_BMP8(0b00000000),
_BMP8(0b00000000),
_BMP8(0b00000000),
// Marker 4
_BMP8(0b00000000),
_BMP8(0b00001000),
_BMP8(0b00011000),
_BMP8(0b00101000),
_BMP8(0b01001000),
_BMP8(0b01001000),
_BMP8(0b01111100),
_BMP8(0b00001000),
_BMP8(0b00000000),
_BMP8(0b00000000),
};
#elif _USE_BIG_MARKER_ == 1
#define MARKER_WIDTH 10
#define MARKER_HEIGHT 13
#define X_MARKER_OFFSET 4
#define Y_MARKER_OFFSET 13
#define MARKER_BITMAP(i) (&marker_bitmap[(i)*2*MARKER_HEIGHT])
static const uint8_t marker_bitmap[]={
// Marker Back plate
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b1111111110000000),
_BMP16(0b0111111100000000),
_BMP16(0b0011111000000000),
_BMP16(0b0001110000000000),
_BMP16(0b0000100000000000),
// Marker 1
_BMP16(0b0000000000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0001110000000000),
_BMP16(0b0010110000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0001111000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
// Marker 2
_BMP16(0b0000000000000000),
_BMP16(0b0001111000000000),
_BMP16(0b0011001100000000),
_BMP16(0b0011001100000000),
_BMP16(0b0000011000000000),
_BMP16(0b0000110000000000),
_BMP16(0b0001100000000000),
_BMP16(0b0011000000000000),
_BMP16(0b0011111100000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
// Marker 3
_BMP16(0b0000000000000000),
_BMP16(0b0011111000000000),
_BMP16(0b0110001100000000),
_BMP16(0b0110001100000000),
_BMP16(0b0000001100000000),
_BMP16(0b0000111000000000),
_BMP16(0b0000001100000000),
_BMP16(0b0110001100000000),
_BMP16(0b0110001100000000),
_BMP16(0b0011111000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
// Marker 4
_BMP16(0b0000000000000000),
_BMP16(0b0000011000000000),
_BMP16(0b0000111000000000),
_BMP16(0b0001111000000000),
_BMP16(0b0011011000000000),
_BMP16(0b0110011000000000),
_BMP16(0b0110011000000000),
_BMP16(0b0111111100000000),
_BMP16(0b0000011000000000),
_BMP16(0b0000011000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
_BMP16(0b0000000000000000),
};
#endif
static void
markmap_marker(int marker)
{
int t;
if (!markers[marker].enabled)
return;
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
index_t index = trace_index[t][markers[marker].index];
int x = CELL_X(index) - X_MARKER_OFFSET;
int y = CELL_Y(index) - Y_MARKER_OFFSET;
invalidate_rect(x, y, x+MARKER_WIDTH-1, y+MARKER_HEIGHT-1);
}
}
static void
markmap_all_markers(void)
{
int i;
for (i = 0; i < MARKERS_MAX; i++) {
if (!markers[i].enabled)
continue;
markmap_marker(i);
}
markmap_upperarea();
}
void
marker_position(int m, int t, int *x, int *y)
{
index_t index = trace_index[t][markers[m].index];
*x = CELL_X(index);
*y = CELL_Y(index);
}
static int greater(int x, int y) { return x > y; }
static int lesser(int x, int y) { return x < y; }
static int (*compare)(int x, int y) = lesser;
int
marker_search(void)
{
int i;
int found = 0;
if (uistat.current_trace == -1)
return -1;
int value = CELL_Y(trace_index[uistat.current_trace][0]);
for (i = 0; i < sweep_points; i++) {
index_t index = trace_index[uistat.current_trace][i];
if ((*compare)(value, CELL_Y(index))) {
value = CELL_Y(index);
found = i;
}
}
return found;
}
void
set_marker_search(int mode)
{
compare = (mode == 0) ? greater : lesser;
}
int
marker_search_left(int from)
{
int i;
int found = -1;
if (uistat.current_trace == -1)
return -1;
int value = CELL_Y(trace_index[uistat.current_trace][from]);
for (i = from - 1; i >= 0; i--) {
index_t index = trace_index[uistat.current_trace][i];
if ((*compare)(value, CELL_Y(index)))
break;
value = CELL_Y(index);
}
for (; i >= 0; i--) {
index_t index = trace_index[uistat.current_trace][i];
if ((*compare)(CELL_Y(index), value)) {
break;
}
found = i;
value = CELL_Y(index);
}
return found;
}
int
marker_search_right(int from)
{
int i;
int found = -1;
if (uistat.current_trace == -1)
return -1;
int value = CELL_Y(trace_index[uistat.current_trace][from]);
for (i = from + 1; i < sweep_points; i++) {
index_t index = trace_index[uistat.current_trace][i];
if ((*compare)(value, CELL_Y(index)))
break;
value = CELL_Y(index);
}
for (; i < sweep_points; i++) {
index_t index = trace_index[uistat.current_trace][i];
if ((*compare)(CELL_Y(index), value)) {
break;
}
found = i;
value = CELL_Y(index);
}
return found;
}
int
search_nearest_index(int x, int y, int t)
{
index_t *index = trace_index[t];
int min_i = -1;
int min_d = 1000;
int i;
for (i = 0; i < sweep_points; i++) {
int16_t dx = x - CELL_X(index[i]);
int16_t dy = y - CELL_Y(index[i]);
if (dx < 0) dx = -dx;
if (dy < 0) dy = -dy;
if (dx > 20 || dy > 20)
continue;
int d = dx*dx + dy*dy;
if (d < min_d) {
min_d = d;
min_i = i;
}
}
return min_i;
}
void
plot_into_index(float measured[2][POINTS_COUNT][2])
{
int t, i;
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
int ch = trace[t].channel;
index_t *index = trace_index[t];
for (i = 0; i < sweep_points; i++)
index[i] = trace_into_index(t, i, measured[ch]);
}
#if 0
for (t = 0; t < TRACES_MAX; t++)
if (trace[t].enabled && trace[t].polar)
quicksort(trace_index[t], 0, sweep_points);
#endif
mark_cells_from_index();
markmap_all_markers();
}
static void
draw_cell(int m, int n)
{
int x0 = m * CELLWIDTH;
int y0 = n * CELLHEIGHT;
int w = CELLWIDTH;
int h = CELLHEIGHT;
int x, y;
int i0, i1, i;
int t;
uint16_t c;
// Clip cell by area
if (x0 + w > area_width)
w = area_width - x0;
if (y0 + h > area_height)
h = area_height - y0;
if (w <= 0 || h <= 0)
return;
// PULSE;
// Clear buffer ("0 : height" lines)
#if 0
// use memset 350 system ticks for all screen calls
// as understand it use 8 bit set, slow down on 32 bit systems
memset(spi_buffer, DEFAULT_BG_COLOR, (h*CELLWIDTH)*sizeof(uint16_t));
#else
// use direct set 35 system ticks for all screen calls
#if CELLWIDTH%8 != 0
#error "CELLWIDTH % 8 should be == 0 for speed, or need rewrite cell cleanup"
#endif
// Set DEFAULT_BG_COLOR for 8 pixels in one cycle
int count = h*CELLWIDTH / (16/sizeof(pixel_t));
uint32_t *p = (uint32_t *)cell_buffer;
while (count--) {
p[0] = DEFAULT_BG_COLOR | (DEFAULT_BG_COLOR << 16);
p[1] = DEFAULT_BG_COLOR | (DEFAULT_BG_COLOR << 16);
p[2] = DEFAULT_BG_COLOR | (DEFAULT_BG_COLOR << 16);
p[3] = DEFAULT_BG_COLOR | (DEFAULT_BG_COLOR << 16);
p += 4;
}
#endif
// Draw grid
#if 1
c = config.grid_color;
// Generate grid type list
uint32_t trace_type = 0;
for (t = 0; t < TRACES_MAX; t++) {
if (trace[t].enabled) {
trace_type |= (1 << trace[t].type);
}
}
// Draw rectangular plot (40 system ticks for all screen calls)
if (trace_type & RECTANGULAR_GRID_MASK) {
for (x = 0; x < w; x++) {
if (rectangular_grid_x(x + x0)) {
for (y = 0; y < h; y++) cell_buffer[y * CELLWIDTH + x] = c;
}
}
for (y = 0; y < h; y++) {
if (rectangular_grid_y(y + y0)) {
for (x = 0; x < w; x++)
if (x + x0 >= CELLOFFSETX && x + x0 <= WIDTH + CELLOFFSETX)
cell_buffer[y * CELLWIDTH + x] = c;
}
}
}
// Smith greed line (1000 system ticks for all screen calls)
if (trace_type & (1 << TRC_SMITH)) {
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
if (smith_grid(x + x0, y + y0)) cell_buffer[y * CELLWIDTH + x] = c;
}
// Polar greed line (800 system ticks for all screen calls)
else if (trace_type & (1 << TRC_POLAR)) {
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
if (polar_grid(x + x0, y + y0)) cell_buffer[y * CELLWIDTH + x] = c;
}
#if 0
else if (trace_type & (1 << TRC_ADMIT)) {
for (y = 0; y < h; y++)
for (x = 0; x < w; x++)
if (smith_grid3(x+x0, y+y0)
// smith_grid2(x+x0, y+y0, 0.5))
cell_buffer[y * CELLWIDTH + x] = c;
}
#endif
#endif
// PULSE;
// Draw traces (50-600 system ticks for all screen calls, depend from lines
// count and size)
#if 1
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
c = config.trace_color[t];
// draw polar plot (check all points)
i0 = 0;
i1 = 0;
uint32_t trace_type = (1 << trace[t].type);
if (trace_type & ((1 << TRC_SMITH) | (1 << TRC_POLAR)))
i1 = sweep_points - 1;
else // draw rectangular plot (search index range in cell, save 50-70
// system ticks for all screen calls)
search_index_range_x(x0, x0 + w, trace_index[t], &i0, &i1);
index_t *index = trace_index[t];
for (i = i0; i < i1; i++) {
int x1 = CELL_X(index[i]) - x0;
int y1 = CELL_Y(index[i]) - y0;
int x2 = CELL_X(index[i + 1]) - x0;
int y2 = CELL_Y(index[i + 1]) - y0;
cell_drawline(x1, y1, x2, y2, c);
}
}
#else
for (x = 0; x < area_width; x += 6)
cell_drawline(x - x0, 0 - y0, area_width - x - x0, area_height - y0,
config.trace_color[0]);
#endif
// PULSE;
// draw marker symbols on each trace (<10 system ticks for all screen calls)
#if 1
for (i = 0; i < MARKERS_MAX; i++) {
if (!markers[i].enabled)
continue;
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
index_t index = trace_index[t][markers[i].index];
int x = CELL_X(index) - x0 - X_MARKER_OFFSET;
int y = CELL_Y(index) - y0 - Y_MARKER_OFFSET;
// Check marker icon on cell
if (x + MARKER_WIDTH >= 0 && x - MARKER_WIDTH < CELLWIDTH &&
y + MARKER_HEIGHT >= 0 && y - MARKER_HEIGHT < CELLHEIGHT){
// draw_marker(x, y, config.trace_color[t], i);
// Draw marker plate
ili9341_set_foreground(config.trace_color[t]);
cell_blit_bitmap(x, y, MARKER_WIDTH, MARKER_HEIGHT, MARKER_BITMAP(0));
// Draw marker number
ili9341_set_foreground(DEFAULT_BG_COLOR);
cell_blit_bitmap(x, y, MARKER_WIDTH, MARKER_HEIGHT, MARKER_BITMAP(i+1));
}
}
}
#endif
// Draw trace and marker info on the top (50 system ticks for all screen calls)
#if 1
if (n <= (3*FONT_STR_HEIGHT)/CELLHEIGHT)
cell_draw_marker_info(x0, y0);
#endif
// PULSE;
// Draw reference position (<10 system ticks for all screen calls)
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
uint32_t trace_type = (1 << trace[t].type);
if (trace_type & ((1 << TRC_SMITH) | (1 << TRC_POLAR)))
continue;
int x = 0 - x0 + CELLOFFSETX - REFERENCE_X_OFFSET;
if (x + REFERENCE_WIDTH >= 0 && x - REFERENCE_WIDTH < CELLWIDTH) {
int y = HEIGHT - float2int((get_trace_refpos(t) * GRIDY)) - y0 - REFERENCE_Y_OFFSET;
if (y + REFERENCE_HEIGHT >= 0 && y - REFERENCE_HEIGHT < CELLHEIGHT){
ili9341_set_foreground(config.trace_color[t]);
cell_blit_bitmap(x , y, REFERENCE_WIDTH, REFERENCE_HEIGHT, reference_bitmap);
}
}
}
// Need right clip cell render (25 system ticks for all screen calls)
#if 1
if (w < CELLWIDTH) {
pixel_t *src = cell_buffer + CELLWIDTH;
pixel_t *dst = cell_buffer + w;
for (y = h; --y; src += CELLWIDTH - w)
for (x = w; x--;)
*dst++ = *src++;
}
#endif
// Draw cell (500 system ticks for all screen calls)
ili9341_bulk(OFFSETX + x0, OFFSETY + y0, w, h);
}
static void
draw_all_cells(bool flush_markmap)
{
int m, n;
// START_PROFILE
for (m = 0; m < (area_width+CELLWIDTH-1) / CELLWIDTH; m++)
for (n = 0; n < (area_height+CELLHEIGHT-1) / CELLHEIGHT; n++) {
if ((markmap[0][n] | markmap[1][n]) & (1 << m)) {
draw_cell(m, n);
//ili9341_fill(m*CELLWIDTH+OFFSETX, n*CELLHEIGHT, 2, 2, RGB565(255,0,0));
}
// else
//ili9341_fill(m*CELLWIDTH+OFFSETX, n*CELLHEIGHT, 2, 2, RGB565(0,255,0));
}
// STOP_PROFILE
if (flush_markmap) {
// keep current map for update
swap_markmap();
// clear map for next plotting
clear_markmap();
}
}
void
draw_all(bool flush)
{
if (redraw_request & REDRAW_AREA)
force_set_markmap();
if (redraw_request & REDRAW_MARKER)
markmap_upperarea();
if (redraw_request & (REDRAW_CELLS | REDRAW_MARKER | REDRAW_AREA))
draw_all_cells(flush);
if (redraw_request & REDRAW_FREQUENCY)
draw_frequencies();
if (redraw_request & REDRAW_CAL_STATUS)
draw_cal_status();
if (redraw_request & REDRAW_BATTERY)
draw_battery_status();
redraw_request = 0;
}
//
// Call this function then need fast draw marker and marker info
// Used in ui.c for leveler move marker, drag marker and etc.
void
redraw_marker(int marker)
{
if (marker < 0)
return;
// mark map on new position of marker
markmap_marker(marker);
// mark cells on marker info
markmap_upperarea();
draw_all_cells(TRUE);
// Force redraw all area after (disable artifacts after fast marker update area)
redraw_request|=REDRAW_AREA;
}
void
request_to_draw_cells_behind_menu(void)
{
// Values Hardcoded from ui.c
invalidate_rect(LCD_WIDTH-MENU_BUTTON_WIDTH-OFFSETX, 0, LCD_WIDTH-OFFSETX, LCD_HEIGHT-1);
redraw_request |= REDRAW_CELLS;
}
void
request_to_draw_cells_behind_numeric_input(void)
{
// Values Hardcoded from ui.c
invalidate_rect(0, LCD_HEIGHT-NUM_INPUT_HEIGHT, LCD_WIDTH-1, LCD_HEIGHT-1);
redraw_request |= REDRAW_CELLS;
}
static void
cell_draw_marker_info(int x0, int y0)
{
char buf[24];
int t;
if (active_marker < 0)
return;
int idx = markers[active_marker].index;
int j = 0;
if (previous_marker != -1 && uistat.current_trace != -1) {
int t = uistat.current_trace;
int mk;
for (mk = 0; mk < MARKERS_MAX; mk++) {
if (!markers[mk].enabled)
continue;
int xpos = 1 + (j%2)*(WIDTH/2) + CELLOFFSETX - x0;
int ypos = 1 + (j/2)*(FONT_STR_HEIGHT) - y0;
ili9341_set_foreground(config.trace_color[t]);
if (mk == active_marker)
cell_drawstring(S_SARROW, xpos, ypos);
xpos += 5;
plot_printf(buf, sizeof buf, "M%d", mk+1);
cell_drawstring(buf, xpos, ypos);
xpos += 13;
//trace_get_info(t, buf, sizeof buf);
uint32_t freq = frequencies[markers[mk].index];
if (uistat.marker_delta && mk != active_marker) {
uint32_t freq1 = frequencies[markers[active_marker].index];
uint32_t delta = freq > freq1 ? freq - freq1 : freq1 - freq;
plot_printf(buf, sizeof buf, S_DELTA"%.9qHz", delta);
} else {
plot_printf(buf, sizeof buf, "%.10qHz", freq);
}
cell_drawstring(buf, xpos, ypos);
xpos += 67;
if (uistat.marker_delta && mk != active_marker)
trace_get_value_string_delta(t, buf, sizeof buf, measured[trace[t].channel], markers[mk].index, markers[active_marker].index);
else
trace_get_value_string(t, buf, sizeof buf, measured[trace[t].channel], markers[mk].index);
ili9341_set_foreground(DEFAULT_FG_COLOR);
cell_drawstring(buf, xpos, ypos);
j++;
}
// draw marker delta
if (!uistat.marker_delta && previous_marker >= 0 && active_marker != previous_marker && markers[previous_marker].enabled) {
int idx0 = markers[previous_marker].index;
int xpos = (WIDTH/2+30) + CELLOFFSETX - x0;
int ypos = 1 + (j/2)*(FONT_STR_HEIGHT) - y0;
plot_printf(buf, sizeof buf, S_DELTA"%d-%d:", active_marker+1, previous_marker+1);
ili9341_set_foreground(DEFAULT_FG_COLOR);
cell_drawstring(buf, xpos, ypos);
xpos += 27;
if ((domain_mode & DOMAIN_MODE) == DOMAIN_FREQ) {
uint32_t freq = frequencies[idx];
uint32_t freq1 = frequencies[idx0];
uint32_t delta = freq > freq1 ? freq - freq1 : freq1 - freq;
plot_printf(buf, sizeof buf, "%c%.13qHz", freq >= freq1 ? '+' : '-', delta);
} else {
plot_printf(buf, sizeof buf, "%Fs (%Fm)", time_of_index(idx) - time_of_index(idx0), distance_of_index(idx) - distance_of_index(idx0));
}
cell_drawstring(buf, xpos, ypos);
}
} else {
for (t = 0; t < TRACES_MAX; t++) {
if (!trace[t].enabled)
continue;
int xpos = 1 + (j%2)*(WIDTH/2) + CELLOFFSETX - x0;
int ypos = 1 + (j/2)*(FONT_STR_HEIGHT) - y0;
ili9341_set_foreground(config.trace_color[t]);
if (t == uistat.current_trace)
cell_drawstring(S_SARROW, xpos, ypos);
xpos += 5;
plot_printf(buf, sizeof buf, "CH%d", trace[t].channel);
cell_drawstring(buf, xpos, ypos);
xpos += 19;
int n = trace_get_info(t, buf, sizeof buf);
cell_drawstring(buf, xpos, ypos);
xpos += n * 5 + 2;
//xpos += 60;
trace_get_value_string(t, buf, sizeof buf, measured[trace[t].channel], idx);
ili9341_set_foreground(DEFAULT_FG_COLOR);
cell_drawstring(buf, xpos, ypos);
j++;
}
// draw marker frequency
int xpos = (WIDTH/2+40) + CELLOFFSETX - x0;
int ypos = 1 + (j/2)*(FONT_STR_HEIGHT) - y0;
ili9341_set_foreground(DEFAULT_FG_COLOR);
if (uistat.lever_mode == LM_MARKER)
cell_drawstring(S_SARROW, xpos, ypos);
xpos += 5;
plot_printf(buf, sizeof buf, "M%d:", active_marker+1);
cell_drawstring(buf, xpos, ypos);
xpos += 19;
if ((domain_mode & DOMAIN_MODE) == DOMAIN_FREQ) {
plot_printf(buf, sizeof buf, "%qHz", frequencies[idx]);
} else {
plot_printf(buf, sizeof buf, "%Fs (%Fm)", time_of_index(idx), distance_of_index(idx));
}
cell_drawstring(buf, xpos, ypos);
}
ili9341_set_foreground(DEFAULT_FG_COLOR);
if (electrical_delay != 0) {
// draw electrical delay
int xpos = 21 + CELLOFFSETX - x0;
int ypos = 1 + ((j+1)/2)*(FONT_STR_HEIGHT) - y0;
if (uistat.lever_mode == LM_EDELAY)
cell_drawstring(S_SARROW, xpos, ypos);
xpos += 5;
float light_speed_ps = SPEED_OF_LIGHT*1e-12; //(m/ps)
plot_printf(buf, sizeof buf, "Edelay %Fs %Fm", electrical_delay * 1e-12,
electrical_delay * light_speed_ps * velocity_factor);
cell_drawstring(buf, xpos, ypos);
}
}
void
draw_frequencies(void)
{
char buf1[32];
char buf2[32]; buf2[0] = 0;
if ((domain_mode & DOMAIN_MODE) == DOMAIN_FREQ) {
if (FREQ_IS_CW()) {
plot_printf(buf1, sizeof(buf1), " CW %qHz", get_sweep_frequency(ST_CW));
} else if (FREQ_IS_STARTSTOP()) {
plot_printf(buf1, sizeof(buf1), " START %qHz", get_sweep_frequency(ST_START));
plot_printf(buf2, sizeof(buf2), " STOP %qHz", get_sweep_frequency(ST_STOP));
} else if (FREQ_IS_CENTERSPAN()) {
plot_printf(buf1, sizeof(buf1), " CENTER %qHz", get_sweep_frequency(ST_CENTER));
plot_printf(buf2, sizeof(buf2), " SPAN %qHz", get_sweep_frequency(ST_SPAN));
}
} else {
plot_printf(buf1, sizeof(buf1), " START 0s");
plot_printf(buf2, sizeof(buf2), "STOP %Fs (%Fm)", time_of_index(sweep_points-1), distance_of_index(sweep_points-1));
}
ili9341_set_foreground(DEFAULT_FG_COLOR);
ili9341_set_background(DEFAULT_BG_COLOR);
ili9341_fill(0, FREQUENCIES_YPOS, LCD_WIDTH, FONT_GET_HEIGHT, DEFAULT_BG_COLOR);
if (uistat.lever_mode == LM_CENTER)
buf1[0] = S_SARROW[0];
if (uistat.lever_mode == LM_SPAN)
buf2[0] = S_SARROW[0];
ili9341_drawstring(buf1, FREQUENCIES_XPOS1, FREQUENCIES_YPOS);
ili9341_drawstring(buf2, FREQUENCIES_XPOS2, FREQUENCIES_YPOS);
plot_printf(buf1, sizeof(buf1), "bw:%uHz %up", get_bandwidth_frequency(config.bandwidth), sweep_points);
ili9341_set_foreground(DEFAULT_GRID_COLOR);
ili9341_drawstring(buf1, FREQUENCIES_XPOS3, FREQUENCIES_YPOS);
}
void
draw_cal_status(void)
{
int x = 0;
int y = 100;
char c[3];
ili9341_set_foreground(DEFAULT_FG_COLOR);
ili9341_set_background(DEFAULT_BG_COLOR);
ili9341_fill(0, y, OFFSETX, 6*(FONT_STR_HEIGHT), DEFAULT_BG_COLOR);
if (cal_status & CALSTAT_APPLY) {
c[0] = cal_status & CALSTAT_INTERPOLATED ? 'c' : 'C';
c[1] = active_props == &current_props ? '*' : '0' + lastsaveid;
c[2] = 0;
ili9341_drawstring(c, x, y);
y +=FONT_STR_HEIGHT;
}
int i;
static const struct {char text, zero, mask;} calibration_text[]={
{'D', 0, CALSTAT_ED},
{'R', 0, CALSTAT_ER},
{'S', 0, CALSTAT_ES},
{'T', 0, CALSTAT_ET},
{'X', 0, CALSTAT_EX}
};
for (i = 0; i < 5; i++, y+=FONT_STR_HEIGHT)
if (cal_status & calibration_text[i].mask)
ili9341_drawstring(&calibration_text[i].text, x, y);
}
// Draw battery level
#define BATTERY_TOP_LEVEL 4100
#define BATTERY_BOTTOM_LEVEL 3200
#define BATTERY_WARNING_LEVEL 3300
static void draw_battery_status(void)
{
int16_t vbat = adc_vbat_read();
if (vbat <= 0)
return;
uint8_t string_buf[16];
// Set battery color
ili9341_set_foreground(vbat < BATTERY_WARNING_LEVEL ? DEFAULT_LOW_BAT_COLOR : DEFAULT_NORMAL_BAT_COLOR);
ili9341_set_background(DEFAULT_BG_COLOR);
// plot_printf(string_buf, sizeof string_buf, "V:%d", vbat);
// ili9341_drawstringV(string_buf, 1, 60);
// Prepare battery bitmap image
// Battery top
int x = 0;
string_buf[x++] = 0b00000000;
string_buf[x++] = 0b00111100;
string_buf[x++] = 0b00111100;
string_buf[x++] = 0b11111111;
// Fill battery status
for (int power=BATTERY_TOP_LEVEL; power > BATTERY_BOTTOM_LEVEL; ){
if ((x&3) == 0) {string_buf[x++] = 0b10000001; continue;}
string_buf[x++] = (power > vbat) ? 0b10000001 : // Empty line
0b10111101; // Full line
power-=100;
}
// Battery bottom
string_buf[x++] = 0b10000001;
string_buf[x++] = 0b11111111;
// Draw battery
ili9341_blitBitmap(1, 1, 8, x, string_buf);
}
void
request_to_redraw_grid(void)
{
redraw_request |= REDRAW_AREA;
}
void
redraw_frame(void)
{
ili9341_set_background(DEFAULT_BG_COLOR);
ili9341_clear_screen();
draw_frequencies();
draw_cal_status();
}
void
plot_init(void)
{
force_set_markmap();
}