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Code Activity

tools/atrf-rssi/: added menu for regulation area selection

Browse Source 
- gui.c (area_off, gui): don't show a regulation area by default
- letter.h, letter.c: drawing of limited character set
- Makefile (OBJS_host, OBJS_ben_jlime): added letter.o
- gui.c (print, area_selector, gui): show regulation area selector
This commit is contained in:
Werner Almesberger
2011-06-24 22:29:17 -03:00
parent 9af0f937de
commit 5392401c0a
4 changed files with 144 additions and 4 deletions
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56
tools/atrf-rssi/gui.c
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@@ -26,6 +26,7 @@
#include "zgrid.h"
#include "digit.h"
#include "letter.h"
#include "gui.h"
@@ -42,6 +43,7 @@
#define FREQ_RGBA 0x20ff00ff /* frequency color */
#define WCHAN_RGBA 0xffff00e0 /* WLAN channel number color */
#define WLAN_RGBA 0x8080ffff /* WLAN channel occupancy color */
#define SEL_RGBA WLAN_RGBA /* WLAN area selector */
#define X_STEP 17 /* grid x step */
#define Y_STEP 2 /* grid y step */
@@ -56,12 +58,16 @@
#define WLAN_XR (X_STEP*9.5/5)
#define WLAN_YH 6
#define X_SEL (XRES-20)
#define Y_SEL (YRES-50)
static enum {
area_off,
area_us,
area_eu,
area_jp,
} wlan_area = area_us;
} wlan_area = area_off;
static struct timeval t0;
@@ -112,6 +118,8 @@ static void clear(SDL_Surface *s)
x-7+(pos)*4, x-5+(pos)*4, y+15, y+13, y+11, FREQ_RGBA
#define CWLAN(pos) \
x-4+(pos)*5, x-1+(pos)*5, y+6, y+3, y, WCHAN_RGBA
#define CSEL(pos) \
x-4+(pos)*5, x-1+(pos)*5, y+6, y+3, y, SEL_RGBA
static void label_channels(SDL_Surface *s, int sx, int x0, int y0)
@@ -138,6 +146,47 @@ static void label_channels(SDL_Surface *s, int sx, int x0, int y0)
}
static void print(SDL_Surface *s, int x, int y, const char *t)
{
int i = 0;
while (*t) {
letter(s, *t, CSEL(i));
t++;
i++;
}
}
static void area_selector(SDL_Surface *s, int x0, int y0)
{
int x, y, r;
print(s, x0, y0, "EU");
print(s, x0, y0+9, "JP");
print(s, x0, y0+18, "US");
switch (wlan_area) {
case area_off:
return;
case area_eu:
y = 0;
break;
case area_jp:
y = 1;
break;
case area_us:
y = 2;
break;
default:
abort();
}
y = y0+9*y+3;
x = x0-8;
r = 6;
filledTrigonColor(s, x, y, x-r, y+r/2, x-r, y-r/2, SEL_RGBA);
}
static int wlan_channels(void)
{
switch (wlan_area) {
@@ -257,7 +306,10 @@ void gui(struct atrf_dsc *dsc)
X_OFFSET, Y_OFFSET,
FG_RGBA, BG_RGBA);
label_channels(surf, X_STEP, X_OFFSET, Y_OFFSET);
label_wlan_channels(surf, X_STEP, X_WLAN_OFFSET, Y_WLAN_OFFSET);
area_selector(surf, X_SEL, Y_SEL);
if (wlan_area != area_off)
label_wlan_channels(surf, X_STEP, X_WLAN_OFFSET,
Y_WLAN_OFFSET);
SDL_UnlockSurface(surf);
SDL_UpdateRect(surf, 0, 0, 0, 0);