mirror of
https://github.com/ttrftech/NanoVNA.git
synced 2025-12-06 03:31:59 +01:00
1963 lines
46 KiB
C
1963 lines
46 KiB
C
#include <math.h>
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#include <string.h>
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#include "ch.h"
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#include "hal.h"
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#include "chprintf.h"
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#include "nanovna.h"
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#define SWAP(x,y) do { int z=x; x = y; y = z; } while(0)
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static void cell_draw_marker_info(int m, int n, int w, int h);
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void frequency_string(char *buf, size_t len, uint32_t freq, char *prefix);
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void frequency_string_short(char *buf, size_t len, int32_t freq, char prefix);
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void markmap_all_markers(void);
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//#define GRID_COLOR 0x0863
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//uint16_t grid_color = 0x1084;
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/* indicate dirty cells */
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uint16_t markmap[2][8];
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uint16_t current_mappage = 0;
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int32_t fgrid = 50000000;
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int16_t grid_offset;
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int16_t grid_width;
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int area_width = AREA_WIDTH_NORMAL;
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int area_height = HEIGHT+1;
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#define GRID_RECTANGULAR (1<<0)
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#define GRID_SMITH (1<<1)
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#define GRID_ADMIT (1<<2)
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#define GRID_POLAR (1<<3)
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#define CELLWIDTH 32
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#define CELLHEIGHT 32
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/*
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* CELL_X0[27:31] cell position
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* CELL_Y0[22:26]
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* CELL_N[10:21] original order
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* CELL_X[5:9] position in the cell
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* CELL_Y[0:4]
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*/
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uint32_t trace_index[TRACES_MAX][POINTS_COUNT];
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#define INDEX(x, y, n) \
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((((x)&0x03e0UL)<<22) | (((y)&0x03e0UL)<<17) | (((n)&0x0fffUL)<<10) \
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| (((x)&0x1fUL)<<5) | ((y)&0x1fUL))
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#define CELL_X(i) (int)((((i)>>5)&0x1f) | (((i)>>22)&0x03e0))
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#define CELL_Y(i) (int)(((i)&0x1f) | (((i)>>17)&0x03e0))
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#define CELL_N(i) (int)(((i)>>10)&0xfff)
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#define CELL_X0(i) (int)(((i)>>22)&0x03e0)
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#define CELL_Y0(i) (int)(((i)>>17)&0x03e0)
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#define CELL_P(i, x, y) (((((x)&0x03e0UL)<<22) | (((y)&0x03e0UL)<<17)) == ((i)&0xffc00000UL))
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//#define floatToInt(v) ((int)(v))
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int floatToInt(float v){
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if (v < 0) return v-0.5;
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if (v > 0) return v+0.5;
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return 0;
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}
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void update_grid(void)
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{
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uint32_t gdigit = 100000000;
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uint32_t fstart, fspan;
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uint32_t grid;
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if (frequency0 <= frequency1) {
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fstart = frequency0;
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fspan = frequency1 - frequency0;
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} else {
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fstart = frequency1;
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fspan = frequency0 - frequency1;
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}
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while (gdigit > 100) {
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grid = 5 * gdigit;
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if (fspan / grid >= 4)
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break;
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grid = 2 * gdigit;
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if (fspan / grid >= 4)
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break;
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grid = gdigit;
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if (fspan / grid >= 4)
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break;
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gdigit /= 10;
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}
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fgrid = grid;
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grid_offset = (WIDTH-1) * ((fstart % fgrid) / 100) / (fspan / 100);
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grid_width = (WIDTH-1) * (fgrid / 100) / (fspan / 1000);
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force_set_markmap();
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redraw_request |= REDRAW_FREQUENCY;
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}
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static inline int
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circle_inout(int x, int y, int r)
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{
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int d = x*x + y*y - r*r;
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if (d <= -r)
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return 1;
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if (d > r)
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return -1;
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return 0;
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}
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static int
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polar_grid(int x, int y)
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{
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int d;
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// offset to center
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x -= P_CENTER_X;
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y -= P_CENTER_Y;
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// outer circle
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d = circle_inout(x, y, P_RADIUS);
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if (d < 0) return 0;
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if (d == 0) return 1;
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// vertical and horizontal axis
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if (x == 0 || y == 0)
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return 1;
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d = circle_inout(x, y, P_RADIUS / 5);
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if (d == 0) return 1;
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if (d > 0) return 0;
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d = circle_inout(x, y, P_RADIUS * 2 / 5);
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if (d == 0) return 1;
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if (d > 0) return 0;
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// cross sloping lines
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if (x == y || x == -y)
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return 1;
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d = circle_inout(x, y, P_RADIUS * 3 / 5);
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if (d == 0) return 1;
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if (d > 0) return 0;
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d = circle_inout(x, y, P_RADIUS * 4 / 5);
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if (d == 0) return 1;
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return 0;
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}
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/*
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* Constant Resistance circle: (u - r/(r+1))^2 + v^2 = 1/(r+1)^2
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* Constant Reactance circle: (u - 1)^2 + (v-1/x)^2 = 1/x^2
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*/
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int
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smith_grid(int x, int y)
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{
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int d;
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// offset to center
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x -= P_CENTER_X;
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y -= P_CENTER_Y;
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// outer circle
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d = circle_inout(x, y, P_RADIUS);
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if (d < 0)
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return 0;
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if (d == 0)
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return 1;
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// horizontal axis
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if (y == 0)
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return 1;
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// shift circle center to right origin
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x -= P_RADIUS;
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// Constant Reactance Circle: 2j : R/2 = P_RADIUS/2
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if (circle_inout(x, y+P_RADIUS/2, P_RADIUS/2) == 0)
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return 1;
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if (circle_inout(x, y-P_RADIUS/2, P_RADIUS/2) == 0)
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return 1;
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// Constant Resistance Circle: 3 : R/4 = P_RADIUS/4
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d = circle_inout(x+P_RADIUS/4, y, P_RADIUS/4);
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if (d > 0) return 0;
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if (d == 0) return 1;
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// Constant Reactance Circle: 1j : R = P_RADIUS
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if (circle_inout(x, y+P_RADIUS, P_RADIUS) == 0)
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return 1;
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if (circle_inout(x, y-P_RADIUS, P_RADIUS) == 0)
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return 1;
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// Constant Resistance Circle: 1 : R/2
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d = circle_inout(x+P_RADIUS/2, y, P_RADIUS/2);
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if (d > 0) return 0;
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if (d == 0) return 1;
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// Constant Reactance Circle: 1/2j : R*2
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if (circle_inout(x, y+P_RADIUS*2, P_RADIUS*2) == 0)
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return 1;
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if (circle_inout(x, y-P_RADIUS*2, P_RADIUS*2) == 0)
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return 1;
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// Constant Resistance Circle: 1/3 : R*3/4
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if (circle_inout(x+P_RADIUS*3/4, y, P_RADIUS*3/4) == 0)
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return 1;
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return 0;
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}
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#if 0
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int
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smith_grid2(int x, int y, float scale)
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{
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int d;
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// offset to center
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x -= P_CENTER_X;
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y -= P_CENTER_Y;
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// outer circle
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d = circle_inout(x, y, P_RADIUS);
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if (d < 0)
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return 0;
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if (d == 0)
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return 1;
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// shift circle center to right origin
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x -= P_RADIUS * scale;
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// Constant Reactance Circle: 2j : R/2 = 58
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if (circle_inout(x, y+58*scale, 58*scale) == 0)
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return 1;
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if (circle_inout(x, y-58*scale, 58*scale) == 0)
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return 1;
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#if 0
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// Constant Resistance Circle: 3 : R/4 = 29
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d = circle_inout(x+29*scale, y, 29*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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d = circle_inout(x-29*scale, y, 29*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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#endif
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// Constant Reactance Circle: 1j : R = 116
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if (circle_inout(x, y+116*scale, 116*scale) == 0)
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return 1;
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if (circle_inout(x, y-116*scale, 116*scale) == 0)
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return 1;
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// Constant Resistance Circle: 1 : R/2 = 58
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d = circle_inout(x+58*scale, y, 58*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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d = circle_inout(x-58*scale, y, 58*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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// Constant Reactance Circle: 1/2j : R*2 = 232
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if (circle_inout(x, y+232*scale, 232*scale) == 0)
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return 1;
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if (circle_inout(x, y-232*scale, 232*scale) == 0)
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return 1;
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#if 0
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// Constant Resistance Circle: 1/3 : R*3/4 = 87
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d = circle_inout(x+87*scale, y, 87*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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d = circle_inout(x+87*scale, y, 87*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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#endif
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// Constant Resistance Circle: 0 : R
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d = circle_inout(x+P_RADIUS*scale, y, P_RADIUS*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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d = circle_inout(x-P_RADIUS*scale, y, P_RADIUS*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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// Constant Resistance Circle: -1/3 : R*3/2 = 174
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d = circle_inout(x+174*scale, y, 174*scale);
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if (d > 0) return 0;
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if (d == 0) return 1;
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d = circle_inout(x-174*scale, y, 174*scale);
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//if (d > 0) return 0;
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if (d == 0) return 1;
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return 0;
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}
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#endif
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const int cirs[][4] = {
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{ 0, 58/2, 58/2, 0 }, // Constant Reactance Circle: 2j : R/2 = 58
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{ 29/2, 0, 29/2, 1 }, // Constant Resistance Circle: 3 : R/4 = 29
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{ 0, 115/2, 115/2, 0 }, // Constant Reactance Circle: 1j : R = 115
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{ 58/2, 0, 58/2, 1 }, // Constant Resistance Circle: 1 : R/2 = 58
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{ 0, 230/2, 230/2, 0 }, // Constant Reactance Circle: 1/2j : R*2 = 230
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{ 86/2, 0, 86/2, 1 }, // Constant Resistance Circle: 1/3 : R*3/4 = 86
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{ 0, 460/2, 460/2, 0 }, // Constant Reactance Circle: 1/4j : R*4 = 460
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{ 115/2, 0, 115/2, 1 }, // Constant Resistance Circle: 0 : R
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{ 173/2, 0, 173/2, 1 }, // Constant Resistance Circle: -1/3 : R*3/2 = 173
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{ 0, 0, 0, 0 } // sentinel
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};
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int
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smith_grid3(int x, int y)
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{
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int d;
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// offset to center
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x -= P_CENTER_X;
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y -= P_CENTER_Y;
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// outer circle
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d = circle_inout(x, y, P_RADIUS);
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if (d < 0)
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return 0;
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if (d == 0)
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return 1;
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// shift circle center to right origin
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x -= P_RADIUS /2;
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int i;
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for (i = 0; cirs[i][2]; i++) {
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d = circle_inout(x+cirs[i][0], y+cirs[i][1], cirs[i][2]);
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if (d == 0)
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return 1;
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if (d > 0 && cirs[i][3])
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return 0;
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d = circle_inout(x-cirs[i][0], y-cirs[i][1], cirs[i][2]);
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if (d == 0)
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return 1;
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if (d > 0 && cirs[i][3])
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return 0;
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}
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return 0;
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}
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#if 0
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int
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rectangular_grid(int x, int y)
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{
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//#define FREQ(x) (((x) * (fspan / 1000) / (WIDTH-1)) * 1000 + fstart)
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//int32_t n = FREQ(x-1) / fgrid;
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//int32_t m = FREQ(x) / fgrid;
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//if ((m - n) > 0)
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//if (((x * 6) % (WIDTH-1)) < 6)
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//if (((x - grid_offset) % grid_width) == 0)
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if (x == 0 || x == WIDTH-1)
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return 1;
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if ((y % GRIDY) == 0)
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return 1;
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if ((((x + grid_offset) * 10) % grid_width) < 10)
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return 1;
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return 0;
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}
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#endif
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static int
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rectangular_grid_x(int x)
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{
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if (x < 0)
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return 0;
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if (x == 0 || x == WIDTH-1)
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return 1;
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if ((((x + grid_offset) * 10) % grid_width) < 10)
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return 1;
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return 0;
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}
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static int
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rectangular_grid_y(int y)
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{
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if (y < 0)
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return 0;
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if ((y % GRIDY) == 0)
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return 1;
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return 0;
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}
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#if 0
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int
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set_strut_grid(int x)
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{
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uint16_t *buf = spi_buffer;
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int y;
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for (y = 0; y < HEIGHT; y++) {
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int c = rectangular_grid(x, y);
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c |= smith_grid(x, y);
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*buf++ = c;
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}
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return y;
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}
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void
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draw_on_strut(int v0, int d, int color)
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{
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int v;
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int v1 = v0 + d;
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if (v0 < 0) v0 = 0;
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if (v1 < 0) v1 = 0;
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if (v0 >= HEIGHT) v0 = HEIGHT-1;
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if (v1 >= HEIGHT) v1 = HEIGHT-1;
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if (v0 == v1) {
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v = v0; d = 2;
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} else if (v0 < v1) {
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v = v0; d = v1 - v0 + 1;
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} else {
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v = v1; d = v0 - v1 + 1;
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}
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while (d-- > 0)
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spi_buffer[v++] |= color;
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}
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#endif
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/*
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* calculate log10(abs(gamma))
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*/
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float logmag(const float *v)
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{
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return log10f(v[0]*v[0] + v[1]*v[1]) * 10;
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}
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/*
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* calculate phase[-2:2] of coefficient
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*/
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float phase(const float *v)
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{
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return 2 * atan2f(v[1], v[0]) / M_PI * 90;
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}
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/*
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* calculate groupdelay
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*/
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float groupdelay(const float *v, const float *w, float deltaf)
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{
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#if 1
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// atan(w)-atan(v) = atan((w-v)/(1+wv))
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float r = w[0]*v[1] - w[1]*v[0];
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float i = w[0]*v[0] + w[1]*v[1];
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return atan2f(r, i) / (2 * M_PI * deltaf);
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#else
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return (atan2f(w[0], w[1]) - atan2f(v[0], v[1])) / (2 * M_PI * deltaf);
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#endif
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}
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/*
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* calculate abs(gamma)
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*/
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float linear(const float *v)
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{
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return - sqrtf(v[0]*v[0] + v[1]*v[1]);
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}
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/*
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* calculate vswr; (1+gamma)/(1-gamma)
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*/
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float swr(const float *v)
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{
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float x = sqrtf(v[0]*v[0] + v[1]*v[1]);
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if (x >= 1)
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return INFINITY;
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return (1 + x)/(1 - x);
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}
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float resitance(const float *v) {
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float z0 = 50;
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float d = z0 / ((1-v[0])*(1-v[0])+v[1]*v[1]);
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float zr = ((1+v[0])*(1-v[0]) - v[1]*v[1]) * d;
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return zr;
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}
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float reactance(const float *v) {
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float z0 = 50;
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float d = z0 / ((1-v[0])*(1-v[0])+v[1]*v[1]);
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float zi = 2*v[1] * d;
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return zi;
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}
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void
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cartesian_scale(float re, float im, int *xp, int *yp, float scale)
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{
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//float scale = 4e-3;
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int x = floatToInt(re * P_RADIUS * scale);
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int y = floatToInt(im * P_RADIUS * scale);
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if (x < -P_RADIUS) x = -P_RADIUS;
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if (y < -P_RADIUS) y = -P_RADIUS;
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if (x > P_RADIUS) x = P_RADIUS;
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if (y > P_RADIUS) y = P_RADIUS;
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*xp = P_CENTER_X + x;
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*yp = P_CENTER_Y - y;
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|
}
|
|
|
|
float
|
|
groupdelay_from_array(int i, float array[POINTS_COUNT][2])
|
|
{
|
|
/*
|
|
if (i == 0) {
|
|
float deltaf = frequencies[1] - frequencies[0];
|
|
return groupdelay(array[0], array[1], deltaf);
|
|
} else if (i == 100) {
|
|
float deltaf = frequencies[i] - frequencies[i-1];
|
|
return groupdelay(array[i-1], array[i], deltaf);
|
|
} else {
|
|
float deltaf = frequencies[i+1] - frequencies[i-1];
|
|
return groupdelay(array[i-1], array[i+1], deltaf);
|
|
}
|
|
*/
|
|
int bottom = (i == 0) ? 0 : i - 1;
|
|
int top = (i == POINTS_COUNT-1) ? POINTS_COUNT-1 : i + 1;
|
|
float deltaf = frequencies[top] - frequencies[bottom];
|
|
return groupdelay(array[bottom], array[top], deltaf);
|
|
}
|
|
|
|
uint32_t
|
|
trace_into_index(int x, int t, int i, float array[POINTS_COUNT][2])
|
|
{
|
|
int y = 0;
|
|
float v = 0;
|
|
float *coeff = array[i];
|
|
float refpos = 10 - get_trace_refpos(t);
|
|
float scale = 1 / get_trace_scale(t);
|
|
switch (trace[t].type) {
|
|
case TRC_LOGMAG:
|
|
v = refpos - logmag(coeff) * scale;
|
|
break;
|
|
case TRC_PHASE:
|
|
v = refpos - phase(coeff) * scale;
|
|
break;
|
|
case TRC_DELAY:
|
|
v = refpos - groupdelay_from_array(i, array) * scale;
|
|
break;
|
|
case TRC_LINEAR:
|
|
v = refpos + linear(coeff) * scale;
|
|
break;
|
|
case TRC_SWR:
|
|
v = refpos+ (1 - swr(coeff)) * scale;
|
|
break;
|
|
case TRC_REAL:
|
|
v = refpos - coeff[0] * scale;
|
|
break;
|
|
case TRC_IMAG:
|
|
v = refpos - coeff[1] * scale;
|
|
break;
|
|
case TRC_R:
|
|
v = refpos - resitance(coeff) * scale;
|
|
break;
|
|
case TRC_X:
|
|
v = refpos - reactance(coeff) * scale;
|
|
break;
|
|
case TRC_SMITH:
|
|
//case TRC_ADMIT:
|
|
case TRC_POLAR:
|
|
cartesian_scale(coeff[0], coeff[1], &x, &y, scale);
|
|
return INDEX(x +CELLOFFSETX, y, i);
|
|
break;
|
|
}
|
|
if (v < 0) v = 0;
|
|
if (v > 10) v = 10;
|
|
y = floatToInt(v * GRIDY);
|
|
return INDEX(x +CELLOFFSETX, y, i);
|
|
}
|
|
|
|
static int
|
|
string_value_with_prefix(char *buf, int len, float val, char unit)
|
|
{
|
|
char prefix;
|
|
int n = 0;
|
|
if (val < 0) {
|
|
val = -val;
|
|
*buf = '-';
|
|
n++;
|
|
len--;
|
|
}
|
|
if (val == INFINITY){
|
|
prefix = S_INFINITY[0];
|
|
}
|
|
else {
|
|
if (val < 1e-12) {
|
|
prefix = 'f';
|
|
val *= 1e15;
|
|
} else if (val < 1e-9) {
|
|
prefix = 'p';
|
|
val *= 1e12;
|
|
} else if (val < 1e-6) {
|
|
prefix = 'n';
|
|
val *= 1e9;
|
|
} else if (val < 1e-3) {
|
|
prefix = S_MICRO[0];
|
|
val *= 1e6;
|
|
} else if (val < 1) {
|
|
prefix = 'm';
|
|
val *= 1e3;
|
|
} else if (val < 1e3) {
|
|
prefix = 0;
|
|
} else if (val < 1e6) {
|
|
prefix = 'k';
|
|
val /= 1e3;
|
|
} else if (val < 1e9) {
|
|
prefix = 'M';
|
|
val /= 1e6;
|
|
} else {
|
|
prefix = 'G';
|
|
val /= 1e9;
|
|
}
|
|
|
|
if (val < 10) {
|
|
n += chsnprintf(&buf[n], len, "%.2f", val);
|
|
} else if (val < 100) {
|
|
n += chsnprintf(&buf[n], len, "%.1f", val);
|
|
} else {
|
|
n += chsnprintf(&buf[n], len, "%d", (int)val);
|
|
}
|
|
}
|
|
if (prefix)
|
|
buf[n++] = prefix;
|
|
if (unit)
|
|
buf[n++] = unit;
|
|
buf[n] = '\0';
|
|
return n;
|
|
}
|
|
|
|
#define PI2 6.283184
|
|
|
|
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;
|
|
int n;
|
|
|
|
switch (marker_smith_format) {
|
|
case MS_LIN:
|
|
chsnprintf(buf, len, "%.2f %.1f" S_DEGREE, linear(coeff), phase(coeff));
|
|
break;
|
|
|
|
case MS_LOG: {
|
|
float v = logmag(coeff);
|
|
if (v == -INFINITY)
|
|
chsnprintf(buf, len, "-"S_INFINITY" dB");
|
|
else
|
|
chsnprintf(buf, len, "%.1fdB %.1f" S_DEGREE, v, phase(coeff));
|
|
}
|
|
break;
|
|
|
|
case MS_REIM:
|
|
n = string_value_with_prefix(buf, len, coeff[0], '\0');
|
|
if (coeff[1] >= 0) buf[n++] = '+';
|
|
string_value_with_prefix(buf+n, len-n, coeff[1], 'j');
|
|
break;
|
|
|
|
case MS_RX:
|
|
n = string_value_with_prefix(buf, len, zr, S_OHM[0]);
|
|
if (zi >= 0)
|
|
buf[n++] = ' ';
|
|
string_value_with_prefix(buf+n, len-n, zi, 'j');
|
|
break;
|
|
|
|
case MS_RLC:
|
|
n = string_value_with_prefix(buf, len, zr, S_OHM[0]);
|
|
buf[n++] = ' ';
|
|
|
|
char prefix;
|
|
float value;
|
|
if (zi < 0){// Capacity
|
|
prefix = 'F';
|
|
value = -1 / (PI2 * frequency * zi);
|
|
}
|
|
else {
|
|
prefix = 'H';
|
|
value = zi / (PI2 * frequency);
|
|
}
|
|
string_value_with_prefix(buf+n, len-n, value, prefix);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gamma2resistance(char *buf, int len, const float coeff[2])
|
|
{
|
|
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;
|
|
string_value_with_prefix(buf, len, zr, S_OHM[0]);
|
|
}
|
|
|
|
static void
|
|
gamma2reactance(char *buf, int len, const float coeff[2])
|
|
{
|
|
float z0 = 50;
|
|
float d = z0 / ((1-coeff[0])*(1-coeff[0])+coeff[1]*coeff[1]);
|
|
float zi = 2*coeff[1] * d;
|
|
string_value_with_prefix(buf, len, zi, S_OHM[0]);
|
|
}
|
|
|
|
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;
|
|
switch (trace[t].type) {
|
|
case TRC_LOGMAG:
|
|
v = logmag(coeff);
|
|
if (v == -INFINITY)
|
|
chsnprintf(buf, len, "-"S_INFINITY" dB");
|
|
else
|
|
chsnprintf(buf, len, "%.2fdB", v);
|
|
break;
|
|
case TRC_PHASE:
|
|
v = phase(coeff);
|
|
chsnprintf(buf, len, "%.2f" S_DEGREE, v);
|
|
break;
|
|
case TRC_DELAY:
|
|
v = groupdelay_from_array(i, array);
|
|
string_value_with_prefix(buf, len, v, 's');
|
|
break;
|
|
case TRC_LINEAR:
|
|
v = linear(coeff);
|
|
chsnprintf(buf, len, "%.2f", v);
|
|
break;
|
|
case TRC_SWR:
|
|
v = swr(coeff);
|
|
if (v == INFINITY)
|
|
chsnprintf(buf, len, S_INFINITY);
|
|
else
|
|
chsnprintf(buf, len, "%.2f", v);
|
|
break;
|
|
case TRC_SMITH:
|
|
format_smith_value(buf, len, coeff, frequencies[i]);
|
|
break;
|
|
case TRC_REAL:
|
|
chsnprintf(buf, len, "%.2f", coeff[0]);
|
|
break;
|
|
case TRC_IMAG:
|
|
chsnprintf(buf, len, "%.2fj", coeff[1]);
|
|
break;
|
|
case TRC_R:
|
|
gamma2resistance(buf, len, coeff);
|
|
break;
|
|
case TRC_X:
|
|
gamma2reactance(buf, len, coeff);
|
|
break;
|
|
//case TRC_ADMIT:
|
|
case TRC_POLAR:
|
|
chsnprintf(buf, len, "%.2f %.2fj", coeff[0], coeff[1]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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;
|
|
switch (trace[t].type) {
|
|
case TRC_LOGMAG:
|
|
v = logmag(coeff) - logmag(coeff_ref);
|
|
if (v == -INFINITY)
|
|
chsnprintf(buf, len, S_DELTA "-"S_INFINITY" dB");
|
|
else
|
|
chsnprintf(buf, len, S_DELTA "%.2fdB", v);
|
|
break;
|
|
case TRC_PHASE:
|
|
v = phase(coeff) - phase(coeff_ref);
|
|
chsnprintf(buf, len, S_DELTA "%.2f" S_DEGREE, v);
|
|
break;
|
|
case TRC_DELAY:
|
|
v = groupdelay_from_array(index, array) - groupdelay_from_array(index_ref, array);
|
|
string_value_with_prefix(buf, len, v, 's');
|
|
break;
|
|
case TRC_LINEAR:
|
|
v = linear(coeff) - linear(coeff_ref);
|
|
chsnprintf(buf, len, S_DELTA "%.2f", v);
|
|
break;
|
|
case TRC_SWR:
|
|
v = swr(coeff) - swr(coeff_ref);
|
|
chsnprintf(buf, len, S_DELTA "%.2f", v);
|
|
break;
|
|
case TRC_SMITH:
|
|
format_smith_value(buf, len, coeff, frequencies[index]);
|
|
break;
|
|
case TRC_REAL:
|
|
chsnprintf(buf, len, S_DELTA "%.2f", coeff[0] - coeff_ref[0]);
|
|
break;
|
|
case TRC_IMAG:
|
|
chsnprintf(buf, len, S_DELTA "%.2fj", coeff[1] - coeff_ref[1]);
|
|
break;
|
|
case TRC_R:
|
|
gamma2resistance(buf, len, coeff);
|
|
break;
|
|
case TRC_X:
|
|
gamma2reactance(buf, len, coeff);
|
|
break;
|
|
//case TRC_ADMIT:
|
|
case TRC_POLAR:
|
|
chsnprintf(buf, len, "%.2f %.2fj", coeff[0], coeff[1]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
trace_get_info(int t, char *buf, int len)
|
|
{
|
|
const char *type = get_trace_typename(t);
|
|
int n;
|
|
switch (trace[t].type) {
|
|
case TRC_LOGMAG:
|
|
chsnprintf(buf, len, "%s %ddB/", type, (int)get_trace_scale(t));
|
|
break;
|
|
case TRC_PHASE:
|
|
chsnprintf(buf, len, "%s %d" S_DEGREE "/", type, (int)get_trace_scale(t));
|
|
break;
|
|
case TRC_SMITH:
|
|
//case TRC_ADMIT:
|
|
case TRC_POLAR:
|
|
chsnprintf(buf, len, "%s %.1fFS", type, get_trace_scale(t));
|
|
break;
|
|
default:
|
|
n = chsnprintf(buf, len, "%s ", type);
|
|
string_value_with_prefix(buf+n, len-n, get_trace_scale(t), '/');
|
|
break;
|
|
}
|
|
}
|
|
|
|
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) {
|
|
#define SPEED_OF_LIGHT 299792458
|
|
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 < 8 && x >= 0 && x < 16)
|
|
markmap[current_mappage][y] |= 1<<x;
|
|
}
|
|
|
|
static inline int
|
|
is_mapmarked(int x, int y)
|
|
{
|
|
uint16_t bit = 1<<x;
|
|
return (markmap[0][y] & bit) || (markmap[1][y] & bit);
|
|
}
|
|
|
|
static inline void
|
|
markmap_upperarea(void)
|
|
{
|
|
markmap[current_mappage][0] |= 0xffff;
|
|
}
|
|
|
|
static inline void
|
|
swap_markmap(void)
|
|
{
|
|
current_mappage = 1 - current_mappage;
|
|
}
|
|
|
|
static inline void
|
|
clear_markmap(void)
|
|
{
|
|
memset(markmap[current_mappage], 0, sizeof markmap[current_mappage]);
|
|
}
|
|
|
|
inline void
|
|
force_set_markmap(void)
|
|
{
|
|
memset(markmap[current_mappage], 0xff, sizeof markmap[current_mappage]);
|
|
}
|
|
|
|
void
|
|
mark_cells_from_index(void)
|
|
{
|
|
int t;
|
|
/* mark cells between each neighber points */
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
int x0 = CELL_X(trace_index[t][0]);
|
|
int y0 = CELL_Y(trace_index[t][0]);
|
|
int m0 = x0 >> 5;
|
|
int n0 = y0 >> 5;
|
|
int i;
|
|
mark_map(m0, n0);
|
|
for (i = 1; i < sweep_points; i++) {
|
|
int x1 = CELL_X(trace_index[t][i]);
|
|
int y1 = CELL_Y(trace_index[t][i]);
|
|
int m1 = x1 >> 5;
|
|
int n1 = y1 >> 5;
|
|
while (m0 != m1 || n0 != n1) {
|
|
if (m0 == m1) {
|
|
if (n0 < n1) n0++; else n0--;
|
|
} else if (n0 == n1) {
|
|
if (m0 < m1) m0++; else m0--;
|
|
} else {
|
|
int x = (m0 < m1) ? (m0 + 1)<<5 : m0<<5;
|
|
int y = (n0 < n1) ? (n0 + 1)<<5 : n0<<5;
|
|
int sgn = (n0 < n1) ? 1 : -1;
|
|
if (sgn*(y-y0)*(x1-x0) < sgn*(x-x0)*(y1-y0)) {
|
|
if (m0 < m1) m0++;
|
|
else m0--;
|
|
} else {
|
|
if (n0 < n1) n0++;
|
|
else n0--;
|
|
}
|
|
}
|
|
mark_map(m0, n0);
|
|
}
|
|
x0 = x1;
|
|
y0 = y1;
|
|
m0 = m1;
|
|
n0 = n1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void plot_into_index(float measured[2][POINTS_COUNT][2])
|
|
{
|
|
int i, t;
|
|
for (i = 0; i < sweep_points; i++) {
|
|
int x = (i * (WIDTH-1) + sweep_points/2) / (sweep_points-1);
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
int n = trace[t].channel;
|
|
trace_index[t][i] = trace_into_index(x, t, i, measured[n]);
|
|
}
|
|
}
|
|
#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();
|
|
}
|
|
|
|
const uint8_t INSIDE = 0b0000;
|
|
const uint8_t LEFT = 0b0001;
|
|
const uint8_t RIGHT = 0b0010;
|
|
const uint8_t BOTTOM = 0b0100;
|
|
const uint8_t TOP = 0b1000;
|
|
|
|
inline static uint8_t
|
|
_compute_outcode(int w, int h, int x, int y)
|
|
{
|
|
uint8_t code = 0;
|
|
if (x < 0) {
|
|
code |= LEFT;
|
|
} else
|
|
if (x > w) {
|
|
code |= RIGHT;
|
|
}
|
|
if (y < 0) {
|
|
code |= BOTTOM;
|
|
} else
|
|
if (y > h) {
|
|
code |= TOP;
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static void
|
|
cell_drawline(int w, int h, int x0, int y0, int x1, int y1, int c)
|
|
{
|
|
uint8_t outcode0 = _compute_outcode(w, h, x0, y0);
|
|
uint8_t outcode1 = _compute_outcode(w, h, x1, y1);
|
|
|
|
if (outcode0 & outcode1) {
|
|
// this line is out of requested area. early return
|
|
return;
|
|
}
|
|
|
|
if (x0 > x1) {
|
|
SWAP(x0, x1);
|
|
SWAP(y0, y1);
|
|
}
|
|
|
|
int dx = x1 - x0;
|
|
int dy = y1 - y0;
|
|
int sy = dy > 0 ? 1 : -1;
|
|
int e = 0;
|
|
|
|
dy *= sy;
|
|
|
|
if (dx >= dy) {
|
|
e = dy * 2 - dx;
|
|
while (x0 != x1) {
|
|
if (y0 >= 0 && y0 < h && x0 >= 0 && x0 < w) spi_buffer[y0*w+x0] |= c;
|
|
x0++;
|
|
e += dy * 2;
|
|
if (e >= 0) {
|
|
e -= dx * 2;
|
|
y0 += sy;
|
|
}
|
|
}
|
|
if (y0 >= 0 && y0 < h && x0 >= 0 && x0 < w) spi_buffer[y0*w+x0] |= c;
|
|
} else {
|
|
e = dx * 2 - dy;
|
|
while (y0 != y1) {
|
|
if (y0 >= 0 && y0 < h && x0 >= 0 && x0 < w) spi_buffer[y0*w+x0] |= c;
|
|
y0 += sy;
|
|
e += dx * 2;
|
|
if (e >= 0) {
|
|
e -= dy * 2;
|
|
x0++;
|
|
}
|
|
}
|
|
if (y0 >= 0 && y0 < h && x0 >= 0 && x0 < w) spi_buffer[y0*w+x0] |= c;
|
|
}
|
|
}
|
|
|
|
int
|
|
search_index_range(int x, int y, uint32_t index[POINTS_COUNT], int *i0, int *i1)
|
|
{
|
|
int i, j;
|
|
int head = 0;
|
|
int tail = sweep_points;
|
|
i = 0;
|
|
x &= 0x03e0;
|
|
y &= 0x03e0;
|
|
while (head < tail) {
|
|
i = (head + tail) / 2;
|
|
if (x < CELL_X0(index[i]))
|
|
tail = i+1;
|
|
else if (x > CELL_X0(index[i]))
|
|
head = i;
|
|
else if (y < CELL_Y0(index[i]))
|
|
tail = i+1;
|
|
else if (y > CELL_Y0(index[i]))
|
|
head = i;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (x != CELL_X0(index[i]) || y != CELL_Y0(index[i]))
|
|
return FALSE;
|
|
|
|
j = i;
|
|
while (j > 0 && x == CELL_X0(index[j-1]) && y == CELL_Y0(index[j-1]))
|
|
j--;
|
|
*i0 = j;
|
|
j = i;
|
|
while (j < POINTS_COUNT-1 && x == CELL_X0(index[j+1]) && y == CELL_Y0(index[j+1]))
|
|
j++;
|
|
*i1 = j;
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
search_index_range_x(int x, uint32_t index[POINTS_COUNT], int *i0, int *i1)
|
|
{
|
|
int i, j;
|
|
int head = 0;
|
|
int tail = sweep_points;
|
|
x &= 0x03e0;
|
|
i = 0;
|
|
while (head < tail) {
|
|
i = (head + tail) / 2;
|
|
if (x == CELL_X0(index[i]))
|
|
break;
|
|
else if (x < CELL_X0(index[i])) {
|
|
if (tail == i+1)
|
|
break;
|
|
tail = i+1;
|
|
} else {
|
|
if (head == i)
|
|
break;
|
|
head = i;
|
|
}
|
|
}
|
|
|
|
if (x != CELL_X0(index[i]))
|
|
return FALSE;
|
|
|
|
j = i;
|
|
while (j > 0 && x == CELL_X0(index[j-1]))
|
|
j--;
|
|
*i0 = j;
|
|
j = i;
|
|
while (j < POINTS_COUNT-1 && x == CELL_X0(index[j+1]))
|
|
j++;
|
|
*i1 = j;
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
draw_refpos(int w, int h, int x, int y, int c)
|
|
{
|
|
// draw triangle
|
|
int i, j;
|
|
if (y < -3 || y > 32 + 3)
|
|
return;
|
|
for (j = 0; j < 3; j++) {
|
|
int j0 = 6 - j*2;
|
|
for (i = 0; i < j0; i++) {
|
|
int x0 = x + i-5;
|
|
int y0 = y - j;
|
|
int y1 = y + j;
|
|
if (y0 >= 0 && y0 < h && x0 >= 0 && x0 < w)
|
|
spi_buffer[y0*w+x0] = c;
|
|
if (j != 0 && y1 >= 0 && y1 < h && x0 >= 0 && x0 < w)
|
|
spi_buffer[y1*w+x0] = c;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
cell_draw_refpos(int m, int n, int w, int h)
|
|
{
|
|
int x0 = m * CELLWIDTH;
|
|
int y0 = n * CELLHEIGHT;
|
|
int t;
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
if (trace[t].type == TRC_SMITH || trace[t].type == TRC_POLAR)
|
|
continue;
|
|
int x = 0 - x0 +CELLOFFSETX;
|
|
int y = 10*GRIDY - floatToInt((get_trace_refpos(t) * GRIDY)) - y0;
|
|
if (x > -5 && x < w && y >= -3 && y < h+3)
|
|
draw_refpos(w, h, x, y, config.trace_color[t]);
|
|
}
|
|
}
|
|
|
|
#define MARKER_WIDTH 7
|
|
#define MARKER_HEIGHT 10
|
|
#define X_MARKER_OFFSET 3
|
|
#define Y_MARKER_OFFSET 10
|
|
static const uint8_t marker_bitmap[]={
|
|
// Marker 1
|
|
0b11111110,
|
|
0b11101110,
|
|
0b11001110,
|
|
0b11101110,
|
|
0b11101110,
|
|
0b11101110,
|
|
0b11000110,
|
|
0b01111100,
|
|
0b00111000,
|
|
0b00010000,
|
|
// Marker 2
|
|
0b11111110,
|
|
0b11000110,
|
|
0b10111010,
|
|
0b11111010,
|
|
0b11000110,
|
|
0b10111110,
|
|
0b10000010,
|
|
0b01111100,
|
|
0b00111000,
|
|
0b00010000,
|
|
// Marker 3
|
|
0b11111110,
|
|
0b11000110,
|
|
0b10111010,
|
|
0b11100110,
|
|
0b11111010,
|
|
0b10111010,
|
|
0b11000110,
|
|
0b01111100,
|
|
0b00111000,
|
|
0b00010000,
|
|
// Marker 4
|
|
0b11111110,
|
|
0b11110110,
|
|
0b11100110,
|
|
0b11010110,
|
|
0b10110110,
|
|
0b10110110,
|
|
0b10000010,
|
|
0b01110100,
|
|
0b00111000,
|
|
0b00010000,
|
|
};
|
|
|
|
static void draw_marker(int w, int h, int x, int y, int c, int ch)
|
|
{
|
|
int y0=y;
|
|
for (int j=0;j<MARKER_HEIGHT;j++,y0++)
|
|
{
|
|
int x0=x;
|
|
uint8_t bits = marker_bitmap[ch*10+j];
|
|
bool force_color = false;
|
|
while (bits){
|
|
if (bits&0x80)
|
|
force_color = true;
|
|
if (x0 >= 0 && x0 < w && y0 >= 0 && y0 < h)
|
|
{
|
|
if (bits&0x80)
|
|
spi_buffer[y0*w+x0] = c;
|
|
else if (force_color)
|
|
spi_buffer[y0*w+x0] = DEFAULT_BG_COLOR;
|
|
}
|
|
x0++;
|
|
bits<<=1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
marker_position(int m, int t, int *x, int *y)
|
|
{
|
|
uint32_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;
|
|
int8_t marker_tracking = false;
|
|
|
|
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 < POINTS_COUNT; i++) {
|
|
uint32_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)
|
|
{
|
|
if (mode == 0)
|
|
compare = greater;
|
|
else
|
|
compare = 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--) {
|
|
uint32_t index = trace_index[uistat.current_trace][i];
|
|
if ((*compare)(value, CELL_Y(index)))
|
|
break;
|
|
value = CELL_Y(index);
|
|
}
|
|
|
|
for (; i >= 0; i--) {
|
|
uint32_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 < POINTS_COUNT; i++) {
|
|
uint32_t index = trace_index[uistat.current_trace][i];
|
|
if ((*compare)(value, CELL_Y(index)))
|
|
break;
|
|
value = CELL_Y(index);
|
|
}
|
|
|
|
for (; i < POINTS_COUNT; i++) {
|
|
uint32_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)
|
|
{
|
|
uint32_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]) - OFFSETX;
|
|
int16_t dy = y - CELL_Y(index[i]) - OFFSETY;
|
|
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_i = i;
|
|
}
|
|
}
|
|
|
|
return min_i;
|
|
}
|
|
|
|
void
|
|
cell_draw_markers(int m, int n, int w, int h)
|
|
{
|
|
int t, i;
|
|
for (i = 0; i < MARKERS_MAX; i++) {
|
|
if (!markers[i].enabled)
|
|
continue;
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
uint32_t index = trace_index[t][markers[i].index];
|
|
int x = CELL_X(index) - m * CELLWIDTH - X_MARKER_OFFSET;
|
|
int y = CELL_Y(index) - n * CELLHEIGHT - Y_MARKER_OFFSET;
|
|
|
|
if (x >=-MARKER_WIDTH && x < w + MARKER_WIDTH && y >= -MARKER_HEIGHT && y < h + MARKER_HEIGHT)
|
|
draw_marker(w, h, x, y, config.trace_color[t], i);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
markmap_marker(int marker)
|
|
{
|
|
int t;
|
|
if (!markers[marker].enabled)
|
|
return;
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
uint32_t index = trace_index[t][markers[marker].index];
|
|
int x = CELL_X(index);
|
|
int y = CELL_Y(index);
|
|
int m = x>>5;
|
|
int n = y>>5;
|
|
mark_map(m, n);
|
|
if ((x&31) < 6)
|
|
mark_map(m-1, n);
|
|
if ((x&31) > 32-6)
|
|
mark_map(m+1, n);
|
|
if ((y&31) < 12) {
|
|
mark_map(m, n-1);
|
|
if ((x&31) < 6)
|
|
mark_map(m-1, n-1);
|
|
if ((x&31) > 32-6)
|
|
mark_map(m+1, n-1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
markmap_all_markers(void)
|
|
{
|
|
int i;
|
|
for (i = 0; i < MARKERS_MAX; i++) {
|
|
if (!markers[i].enabled)
|
|
continue;
|
|
markmap_marker(i);
|
|
}
|
|
markmap_upperarea();
|
|
}
|
|
|
|
|
|
static void
|
|
draw_cell(int m, int n)
|
|
{
|
|
int x0 = m * CELLWIDTH;
|
|
int y0 = n * CELLHEIGHT;
|
|
int x0off = x0 - CELLOFFSETX;
|
|
int w = CELLWIDTH;
|
|
int h = CELLHEIGHT;
|
|
int x, y;
|
|
int i0, i1;
|
|
int i;
|
|
int t;
|
|
|
|
if (x0off + w > area_width)
|
|
w = area_width - x0off;
|
|
if (y0 + h > area_height)
|
|
h = area_height - y0;
|
|
if (w <= 0 || h <= 0)
|
|
return;
|
|
|
|
uint16_t grid_mode = 0;
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
|
|
if (trace[t].type == TRC_SMITH)
|
|
grid_mode |= GRID_SMITH;
|
|
//else if (trace[t].type == TRC_ADMIT)
|
|
// grid_mode |= GRID_ADMIT;
|
|
else if (trace[t].type == TRC_POLAR)
|
|
grid_mode |= GRID_POLAR;
|
|
else
|
|
grid_mode |= GRID_RECTANGULAR;
|
|
}
|
|
|
|
PULSE;
|
|
memset(spi_buffer, DEFAULT_BG_COLOR, sizeof spi_buffer);
|
|
uint16_t c = config.grid_color;
|
|
/* draw grid */
|
|
if (grid_mode & GRID_RECTANGULAR) {
|
|
for (x = 0; x < w; x++) {
|
|
if (rectangular_grid_x(x+x0off)){
|
|
for (y = 0; y < h; y++)
|
|
spi_buffer[y * w + x] = c;
|
|
}
|
|
}
|
|
for (y = 0; y < h; y++) {
|
|
if (rectangular_grid_y(y+y0)){
|
|
for (x = 0; x < w; x++)
|
|
if (x+x0off >= 0 && x+x0off < WIDTH)
|
|
spi_buffer[y * w + x] = c;
|
|
}
|
|
}
|
|
}
|
|
if (grid_mode & (GRID_SMITH|GRID_ADMIT|GRID_POLAR)) {
|
|
for (y = 0; y < h; y++) {
|
|
for (x = 0; x < w; x++) {
|
|
int n = 0;
|
|
if (grid_mode & GRID_SMITH)
|
|
n = smith_grid(x+x0off, y+y0);
|
|
else if (grid_mode & GRID_ADMIT)
|
|
n = smith_grid3(x+x0off, y+y0);
|
|
//n = smith_grid2(x+x0, y+y0, 0.5);
|
|
else if (grid_mode & GRID_POLAR)
|
|
n = polar_grid(x+x0off, y+y0);
|
|
if (n)
|
|
spi_buffer[y * w + x] = c;
|
|
}
|
|
}
|
|
}
|
|
PULSE;
|
|
|
|
#if 1
|
|
/* draw rectanglar plot */
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
if (trace[t].type == TRC_SMITH || trace[t].type == TRC_POLAR)
|
|
continue;
|
|
|
|
if (search_index_range_x(x0, trace_index[t], &i0, &i1)) {
|
|
if (i0 > 0)
|
|
i0--;
|
|
if (i1 < POINTS_COUNT-1)
|
|
i1++;
|
|
for (i = i0; i < i1; i++) {
|
|
int x1 = CELL_X(trace_index[t][i]);
|
|
int x2 = CELL_X(trace_index[t][i+1]);
|
|
int y1 = CELL_Y(trace_index[t][i]);
|
|
int y2 = CELL_Y(trace_index[t][i+1]);
|
|
int c = config.trace_color[t];
|
|
cell_drawline(w, h, x1 - x0, y1 - y0, x2 - x0, y2 - y0, c);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#if 1
|
|
/* draw polar plot */
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
int c = config.trace_color[t];
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
if (trace[t].type != TRC_SMITH && trace[t].type != TRC_POLAR)
|
|
continue;
|
|
|
|
for (i = 1; i < sweep_points; i++) {
|
|
//uint32_t index = trace_index[t][i];
|
|
//uint32_t pindex = trace_index[t][i-1];
|
|
//if (!CELL_P(index, x0, y0) && !CELL_P(pindex, x0, y0))
|
|
// continue;
|
|
int x1 = CELL_X(trace_index[t][i-1]);
|
|
int x2 = CELL_X(trace_index[t][i]);
|
|
int y1 = CELL_Y(trace_index[t][i-1]);
|
|
int y2 = CELL_Y(trace_index[t][i]);
|
|
cell_drawline(w, h, x1 - x0, y1 - y0, x2 - x0, y2 - y0, c);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
PULSE;
|
|
//draw marker symbols on each trace
|
|
cell_draw_markers(m, n, w, h);
|
|
// draw trace and marker info on the top
|
|
cell_draw_marker_info(m, n, w, h);
|
|
PULSE;
|
|
|
|
if (m == 0)
|
|
cell_draw_refpos(m, n, w, h);
|
|
|
|
ili9341_bulk(OFFSETX + x0off, OFFSETY + y0, w, h);
|
|
}
|
|
|
|
void
|
|
draw_all_cells(bool flush_markmap)
|
|
{
|
|
int m, n;
|
|
for (m = 0; m < (area_width+CELLWIDTH-1) / CELLWIDTH; m++)
|
|
for (n = 0; n < (area_height+CELLHEIGHT-1) / CELLHEIGHT; n++) {
|
|
if (is_mapmarked(m, n))
|
|
draw_cell(m, n);
|
|
}
|
|
|
|
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_CELLS)
|
|
draw_all_cells(flush);
|
|
if (redraw_request & REDRAW_FREQUENCY)
|
|
draw_frequencies();
|
|
if (redraw_request & REDRAW_CAL_STATUS)
|
|
draw_cal_status();
|
|
redraw_request = 0;
|
|
}
|
|
|
|
void
|
|
redraw_marker(int marker, int update_info)
|
|
{
|
|
if (marker < 0)
|
|
return;
|
|
// mark map on new position of marker
|
|
markmap_marker(marker);
|
|
|
|
// mark cells on marker info
|
|
if (update_info)
|
|
markmap[current_mappage][0] = 0xffff;
|
|
|
|
draw_all_cells(TRUE);
|
|
}
|
|
|
|
void
|
|
request_to_draw_cells_behind_menu(void)
|
|
{
|
|
int n, m;
|
|
for (m = 7; m <= 9; m++)
|
|
for (n = 0; n < 8; n++)
|
|
mark_map(m, n);
|
|
redraw_request |= REDRAW_CELLS;
|
|
}
|
|
|
|
void
|
|
request_to_draw_cells_behind_numeric_input(void)
|
|
{
|
|
int n, m;
|
|
for (m = 0; m <= 9; m++)
|
|
for (n = 6; n < 8; n++)
|
|
mark_map(m, n);
|
|
redraw_request |= REDRAW_CELLS;
|
|
}
|
|
|
|
|
|
int
|
|
cell_drawchar(int w, int h, uint8_t ch, int x, int y, int invert)
|
|
{
|
|
uint8_t bits;
|
|
int c, r, ch_size;
|
|
const uint8_t *char_buf = FONT_GET_DATA(ch);
|
|
ch_size=FONT_GET_WIDTH(ch);
|
|
if (y <= -FONT_GET_HEIGHT || y >= h || x <= -ch_size || x >= w)
|
|
return ch_size;
|
|
for(c = 0; c < FONT_GET_HEIGHT; c++) {
|
|
bits = *char_buf++;
|
|
if ((y + c) < 0 || (y + c) >= h)
|
|
continue;
|
|
if (invert)
|
|
bits = ~bits;
|
|
for (r = 0; r < ch_size; r++) {
|
|
if ((x+r) >= 0 && (x+r) < w && (0x80 & bits))
|
|
spi_buffer[(y+c)*w + (x+r)] = foreground_color;
|
|
bits <<= 1;
|
|
}
|
|
}
|
|
return ch_size;
|
|
}
|
|
|
|
void
|
|
cell_drawstring(int w, int h, char *str, int x, int y)
|
|
{
|
|
while (*str) {
|
|
x += cell_drawchar(w, h, *str, x, y, FALSE);
|
|
str++;
|
|
}
|
|
}
|
|
|
|
void
|
|
cell_drawstring_invert(int w, int h, char *str, int x, int y, int invert)
|
|
{
|
|
while (*str) {
|
|
x += cell_drawchar(w, h, *str, x, y, invert);
|
|
str++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
cell_draw_marker_info(int m, int n, int w, int h)
|
|
{
|
|
char buf[24];
|
|
int t;
|
|
if (n != 0)
|
|
return;
|
|
if (active_marker < 0)
|
|
return;
|
|
int idx = markers[active_marker].index;
|
|
int j = 0;
|
|
if (active_marker != -1 && 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)*146;
|
|
int ypos = 1 + (j/2)*8;
|
|
xpos -= m * CELLWIDTH -CELLOFFSETX;
|
|
ypos -= n * CELLHEIGHT;
|
|
|
|
setForegroundColor(config.trace_color[t]);
|
|
if (mk == active_marker)
|
|
cell_drawstring(w, h, S_SARROW, xpos, ypos);
|
|
xpos += 5;
|
|
chsnprintf(buf, sizeof buf, "M%d", mk+1);
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
|
|
xpos += 13;
|
|
//trace_get_info(t, buf, sizeof buf);
|
|
int32_t freq = frequencies[markers[mk].index];
|
|
if (uistat.marker_delta && mk != active_marker) {
|
|
freq -= frequencies[markers[active_marker].index];
|
|
frequency_string_short(buf, sizeof buf, freq, S_DELTA[0]);
|
|
} else {
|
|
frequency_string_short(buf, sizeof buf, freq, 0);
|
|
}
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += 64;
|
|
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);
|
|
setForegroundColor(DEFAULT_FG_COLOR);
|
|
cell_drawstring(w, h, 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 = 185;
|
|
int ypos = 1 + (j/2)*8;
|
|
xpos -= m * CELLWIDTH -CELLOFFSETX;
|
|
ypos -= n * CELLHEIGHT;
|
|
strcpy(buf, S_DELTA "1:");
|
|
buf[1] += previous_marker;
|
|
setForegroundColor(DEFAULT_FG_COLOR);
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += 19;
|
|
if ((domain_mode & DOMAIN_MODE) == DOMAIN_FREQ) {
|
|
uint32_t delta = frequencies[idx] > frequencies[idx0] ? frequencies[idx]-frequencies[idx0] : frequencies[idx0]-frequencies[idx];
|
|
frequency_string(buf, sizeof buf, delta, "");
|
|
} else {
|
|
//chsnprintf(buf, sizeof buf, "%d ns %.1f m", (uint16_t)(time_of_index(idx) * 1e9 - time_of_index(idx0) * 1e9),
|
|
// distance_of_index(idx) - distance_of_index(idx0));
|
|
int n = string_value_with_prefix(buf, sizeof buf, time_of_index(idx) - time_of_index(idx0), 's');
|
|
buf[n++] = ' ';
|
|
string_value_with_prefix(&buf[n], sizeof buf - n, distance_of_index(idx) - distance_of_index(idx0), 'm');
|
|
}
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
}
|
|
} else {
|
|
for (t = 0; t < TRACES_MAX; t++) {
|
|
if (!trace[t].enabled)
|
|
continue;
|
|
int xpos = 1 + (j%2)*146;
|
|
int ypos = 1 + (j/2)*8;
|
|
xpos -= m * CELLWIDTH -CELLOFFSETX;
|
|
ypos -= n * CELLHEIGHT;
|
|
// setForegroundColor(config.trace_color[t]);
|
|
// strcpy(buf, "CH0");
|
|
// buf[2] += trace[t].channel;
|
|
//chsnprintf(buf, sizeof buf, "CH%d", trace[t].channel);
|
|
// cell_drawstring_invert(w, h, buf, xpos, ypos, t == uistat.current_trace);
|
|
// xpos += 20;
|
|
setForegroundColor(config.trace_color[t]);
|
|
if (t == uistat.current_trace)
|
|
cell_drawstring(w, h, S_SARROW, xpos, ypos);
|
|
xpos += 5;
|
|
chsnprintf(buf, sizeof buf, "CH%d", trace[t].channel);
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += 19;
|
|
|
|
trace_get_info(t, buf, sizeof buf);
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += 60;
|
|
trace_get_value_string(t, buf, sizeof buf, measured[trace[t].channel], idx);
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
j++;
|
|
}
|
|
|
|
// draw marker frequency
|
|
int xpos = 185;
|
|
int ypos = 1 + (j/2)*8;
|
|
xpos -= m * CELLWIDTH -CELLOFFSETX;
|
|
ypos -= n * CELLHEIGHT;
|
|
setForegroundColor(DEFAULT_FG_COLOR);
|
|
// strcpy(buf, "1:");
|
|
// buf[0] += active_marker;
|
|
// xpos += 5;
|
|
// setForegroundColor(0xffff);
|
|
// cell_drawstring_invert(w, h, buf, xpos, ypos, uistat.lever_mode == LM_MARKER);
|
|
// xpos += 14;
|
|
if (uistat.lever_mode == LM_MARKER)
|
|
cell_drawstring(w, h, S_SARROW, xpos, ypos);
|
|
xpos += 5;
|
|
chsnprintf(buf, sizeof buf, "M%d:", active_marker+1);
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += 19;
|
|
|
|
if ((domain_mode & DOMAIN_MODE) == DOMAIN_FREQ) {
|
|
frequency_string(buf, sizeof buf, frequencies[idx], "");
|
|
} else {
|
|
//chsnprintf(buf, sizeof buf, "%d ns %.1f m", (uint16_t)(time_of_index(idx) * 1e9), distance_of_index(idx));
|
|
int n = string_value_with_prefix(buf, sizeof buf, time_of_index(idx), 's');
|
|
buf[n++] = ' ';
|
|
string_value_with_prefix(&buf[n], sizeof buf-n, distance_of_index(idx), 'm');
|
|
}
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
}
|
|
setForegroundColor(DEFAULT_FG_COLOR);
|
|
if (electrical_delay != 0) {
|
|
// draw electrical delay
|
|
int xpos = 21;
|
|
int ypos = 1 + ((j+1)/2)*8;
|
|
xpos -= m * CELLWIDTH -CELLOFFSETX;
|
|
ypos -= n * CELLHEIGHT;
|
|
chsnprintf(buf, sizeof buf, "Edelay");
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += 7 * 5;
|
|
int n = string_value_with_prefix(buf, sizeof buf, electrical_delay * 1e-12, 's');
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
xpos += n * 5 + 5;
|
|
float light_speed_ps = 299792458e-12; //(m/ps)
|
|
string_value_with_prefix(buf, sizeof buf, electrical_delay * light_speed_ps * velocity_factor, 'm');
|
|
cell_drawstring(w, h, buf, xpos, ypos);
|
|
}
|
|
}
|
|
|
|
void
|
|
frequency_string(char *buf, size_t len, uint32_t freq, char *prefix)
|
|
{
|
|
/* if (freq < 0) {
|
|
freq = -freq;
|
|
*buf++ = '-';
|
|
len -= 1;
|
|
}*/
|
|
if (freq < 1000) {
|
|
chsnprintf(buf, len, "%s%d Hz", prefix, (int)freq);
|
|
} else if (freq < 1000000U) {
|
|
chsnprintf(buf, len, "%s%d.%03d kHz", prefix,
|
|
(freq / 1000U),
|
|
(freq % 1000U));
|
|
} else {
|
|
chsnprintf(buf, len, "%s%d.%03d %03d MHz", prefix,
|
|
(freq / 1000000U),
|
|
((freq / 1000U) % 1000U),
|
|
(freq % 1000U));
|
|
}
|
|
}
|
|
|
|
void
|
|
frequency_string_short(char *b, size_t len, int32_t freq, char prefix)
|
|
{
|
|
char *buf = b;
|
|
if (prefix) {
|
|
*buf++ = prefix;
|
|
len -= 1;
|
|
}
|
|
if (freq < 0) {
|
|
freq = -freq;
|
|
*buf++ = '-';
|
|
len -= 1;
|
|
}
|
|
if (freq < 1000) {
|
|
chsnprintf(buf, len, "%d Hz", (int)freq);
|
|
} else if (freq < 1000000) {
|
|
chsnprintf(buf, len, "%d.%03dkHz",
|
|
(int)(freq / 1000),
|
|
(int)(freq % 1000));
|
|
} else {
|
|
chsnprintf(buf, len, "%d.%06d",
|
|
(int)(freq / 1000000),
|
|
(int)(freq % 1000000));
|
|
strcpy(b+9, "MHz");
|
|
}
|
|
}
|
|
|
|
void
|
|
draw_frequencies(void)
|
|
{
|
|
char buf1[24];buf1[0]=' ';
|
|
char buf2[24];buf2[0]=0;
|
|
if ((domain_mode & DOMAIN_MODE) == DOMAIN_FREQ) {
|
|
if (frequency0 < frequency1) {
|
|
frequency_string(buf1+1, sizeof(buf1)-1, frequency0, "START ");
|
|
frequency_string(buf2, sizeof buf2, frequency1, "STOP ");
|
|
} else if (frequency0 > frequency1) {
|
|
frequency_string(buf1+1, sizeof(buf1)-1, frequency0/2 + frequency1/2, "CENTER ");
|
|
frequency_string(buf2, sizeof buf2, frequency0 - frequency1, "SPAN ");
|
|
} else {
|
|
frequency_string(buf1+1, sizeof(buf1)-1, frequency0, "CW ");
|
|
}
|
|
} else {
|
|
chsnprintf(buf1+1, sizeof(buf1)-1, "START 0s");
|
|
chsnprintf(buf2, sizeof buf2, "%s%dns (%.2fm)", "STOP ", (uint16_t)(time_of_index(POINTS_COUNT-1) * 1e9), distance_of_index(POINTS_COUNT-1));
|
|
}
|
|
setForegroundColor(DEFAULT_FG_COLOR);
|
|
setBackgroundColor(DEFAULT_BG_COLOR);
|
|
ili9341_fill(0, 232, 320, 8, DEFAULT_BG_COLOR);
|
|
if (uistat.lever_mode == LM_SPAN || uistat.lever_mode == LM_CENTER)
|
|
buf1[0] = S_SARROW[0];
|
|
ili9341_drawstring(buf1, OFFSETX, 232);
|
|
ili9341_drawstring(buf2, 205, 232);
|
|
}
|
|
|
|
void
|
|
draw_cal_status(void)
|
|
{
|
|
int x = 0;
|
|
int y = 100;
|
|
#define YSTEP 8
|
|
setForegroundColor(DEFAULT_FG_COLOR);
|
|
setBackgroundColor(DEFAULT_BG_COLOR);
|
|
ili9341_fill(0, y, 10, 6*YSTEP, DEFAULT_BG_COLOR);
|
|
if (cal_status & CALSTAT_APPLY) {
|
|
char c[3] = "C0";
|
|
c[1] += lastsaveid;
|
|
if (cal_status & CALSTAT_INTERPOLATED)
|
|
c[0] = 'c';
|
|
else if (active_props == ¤t_props)
|
|
c[1] = '*';
|
|
ili9341_drawstring(c, x, y);
|
|
y += YSTEP;
|
|
}
|
|
|
|
if (cal_status & CALSTAT_ED) {
|
|
ili9341_drawstring("D", x, y);
|
|
y += YSTEP;
|
|
}
|
|
if (cal_status & CALSTAT_ER) {
|
|
ili9341_drawstring("R", x, y);
|
|
y += YSTEP;
|
|
}
|
|
if (cal_status & CALSTAT_ES) {
|
|
ili9341_drawstring("S", x, y);
|
|
y += YSTEP;
|
|
}
|
|
if (cal_status & CALSTAT_ET) {
|
|
ili9341_drawstring("T", x, y);
|
|
y += YSTEP;
|
|
}
|
|
if (cal_status & CALSTAT_EX) {
|
|
ili9341_drawstring("X", x, y);
|
|
y += YSTEP;
|
|
}
|
|
}
|
|
|
|
// Draw battery level
|
|
#define BATTERY_TOP_LEVEL 4100
|
|
#define BATTERY_BOTTOM_LEVEL 3100
|
|
#define BATTERY_WARNING_LEVEL 3300
|
|
|
|
void
|
|
draw_battery_status(void)
|
|
{
|
|
uint8_t string_buf[25];
|
|
// Set battery color
|
|
setForegroundColor(vbat < BATTERY_WARNING_LEVEL ? DEFAULT_LOW_BAT_COLOR : DEFAULT_NORMAL_BAT_COLOR);
|
|
setBackgroundColor(DEFAULT_BG_COLOR);
|
|
// chsnprintf(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++] = 0b00111100;
|
|
string_buf[x++] = 0b00100100;
|
|
string_buf[x++] = 0b11111111;
|
|
// string_buf[x++] = 0b10000001;
|
|
// Fill battery status
|
|
for (int power=BATTERY_TOP_LEVEL; power > BATTERY_BOTTOM_LEVEL; power-=100)
|
|
string_buf[x++] = (power > vbat) ? 0b10000001 : // Empty line
|
|
0b11111111; // Full line
|
|
// Battery bottom
|
|
// string_buf[x++] = 0b10000001;
|
|
string_buf[x++] = 0b11111111;
|
|
// Draw battery
|
|
blit8BitWidthBitmap(0, 1, 8, x, string_buf);
|
|
}
|
|
|
|
void
|
|
request_to_redraw_grid(void)
|
|
{
|
|
force_set_markmap();
|
|
redraw_request |= REDRAW_CELLS;
|
|
}
|
|
|
|
void
|
|
redraw_frame(void)
|
|
{
|
|
ili9341_fill(0, 0, 320, 240, DEFAULT_BG_COLOR);
|
|
draw_frequencies();
|
|
draw_cal_status();
|
|
}
|
|
|
|
void
|
|
plot_init(void)
|
|
{
|
|
force_set_markmap();
|
|
}
|