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jesd_eye_scan.c
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jesd_eye_scan.c
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/***************************************************************************//**
* @file jesd_eye_scan_gtk.c
* @brief JESD204 Eye Scan Visualization Utility
* @author Michael Hennerich ([email protected])
********************************************************************************
* Copyright 2014-2018 (c) Analog Devices, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of Analog Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* - The use of this software may or may not infringe the patent rights
* of one or more patent holders. This license does not release you
* from the requirement that you obtain separate licenses from these
* patent holders to use this software.
* - Use of the software either in source or binary form, must be run
* on or directly connected to an Analog Devices Inc. component.
*
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
/* HOWTO Remote:
* sudo sshfs -o allow_other -o sync_read [email protected]:/ /home/dave/mnt
* jesd_eye_scan -p /home/dave/mnt
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <linux/types.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/dir.h>
#include <syslog.h>
#include <math.h>
#include <math.h>
#include <time.h>
#include <pthread.h>
#include <ctype.h>
#include <locale.h>
#include <gtk/gtk.h>
#include <gtk/gtkx.h>
#include "jesd_common.h"
char basedir[PATH_MAX];
unsigned remote = 0;
guint timer;
GtkBuilder *builder;
GtkWidget *main_window;
GtkWidget *sock;
GtkWidget *finished_eyes;
GtkWidget *min_ber;
GtkWidget *max_ber;
GtkWidget *device_select;
GtkWidget *jesd_core_selection;
GtkWidget *xcvr_core_selection;
GtkWidget *lane[MAX_LANES];
GtkWidget *lane_status;
GtkNotebook *nbook;
GtkWidget *grid;
GtkWidget *progressbar1;
GtkWidget *tview;
GtkTextBuffer *buffer;
GtkTextIter start, end;
GtkTextIter iter;
GtkWidget *view;
GtkWidget *link_state;
GtkWidget *measured_link_clock;
GtkWidget *reported_link_clock;
GtkWidget *lane_rate;
GtkWidget *lane_rate_div;
GtkWidget *lmfc_rate;
GtkWidget *sync_state;
GtkWidget *link_status;
GtkWidget *sysref_captured;
GtkWidget *sysref_alignment_error;
GtkWidget *external_reset;
GdkColor color_red;
GdkColor color_green;
GdkColor color_orange;
pthread_t work;
GMutex *mutex;
unsigned work_run = 1;
unsigned is_first = 0;
enum {
COLUMN = 0,
COLUMN2,
NUM_COLS
};
struct jesd204b_laneinfo lane_info[MAX_LANES];
struct jesd204b_xcvr_eyescan_info eyescan_info;
char jesd_devices[MAX_DEVICES][PATH_MAX];
unsigned long long get_lane_rate(unsigned lane)
{
return lane_info[lane].fc * 1000ULL;
}
void text_view_delete(void)
{
if (buffer != NULL) {
gtk_text_buffer_get_start_iter(buffer, &start);
gtk_text_buffer_get_end_iter(buffer, &end);
gtk_text_buffer_delete(buffer, &start, &end);
gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
}
}
#define JESD204_TREE_STORE_NEW_ROW_VAL(name, value)\
{\
sprintf(temp, "%d", value);\
gtk_tree_store_append(treestore, &child, &toplevel);\
gtk_tree_store_set(treestore, &child, COLUMN, name, COLUMN2, temp, -1);\
}\
#define JESD204_TREE_STORE_NEW_ROW_VALF(name, value)\
{\
sprintf(temp, "%.3f", value);\
gtk_tree_store_append(treestore, &child, &toplevel);\
gtk_tree_store_set(treestore, &child, COLUMN, name, COLUMN2, temp, -1);\
}\
#define JESD204_TREE_STORE_NEW_ROW_STRING(name, value)\
{\
gtk_tree_store_append(treestore, &child, &toplevel);\
gtk_tree_store_set(treestore, &child, COLUMN, name, COLUMN2, value, -1);\
}\
static int create_and_fill_model(unsigned active_lanes)
{
GtkTreeStore *treestore;
GtkTreeIter toplevel, child;
char temp[256];
unsigned lane = 0;
treestore = gtk_tree_store_new(NUM_COLS, G_TYPE_STRING, G_TYPE_STRING);
for (lane = 0; lane < active_lanes; lane++) {
sprintf(temp, "Lane %d", lane);
gtk_tree_store_append(treestore, &toplevel, NULL);
gtk_tree_store_set(treestore, &toplevel, COLUMN, temp, -1);
JESD204_TREE_STORE_NEW_ROW_VALF("Lane Rate (Gbps)",
(double)get_lane_rate(lane) /
1000000000);
JESD204_TREE_STORE_NEW_ROW_VAL("Device ID (DID)",
lane_info[lane].did);
JESD204_TREE_STORE_NEW_ROW_VAL("Bank ID (BID)",
lane_info[lane].bid);
JESD204_TREE_STORE_NEW_ROW_VAL("Lane ID (LID)",
lane_info[lane].lid);
JESD204_TREE_STORE_NEW_ROW_VAL("JESD204 Version",
lane_info[lane].jesdv);
JESD204_TREE_STORE_NEW_ROW_VAL("JESD204 subclass version",
lane_info[lane].subclassv);
JESD204_TREE_STORE_NEW_ROW_VAL("Number of Lanes per Device (L)",
lane_info[lane].l);
JESD204_TREE_STORE_NEW_ROW_VAL("Octets per Frame (F)",
lane_info[lane].f);
JESD204_TREE_STORE_NEW_ROW_VAL("Frames per Multiframe (K)",
lane_info[lane].k);
JESD204_TREE_STORE_NEW_ROW_VAL("Converters per Device (M)",
lane_info[lane].m);
JESD204_TREE_STORE_NEW_ROW_VAL("Converter Resolution (N)",
lane_info[lane].n);
JESD204_TREE_STORE_NEW_ROW_VAL("Control Bits per Sample (CS)",
lane_info[lane].cs);
JESD204_TREE_STORE_NEW_ROW_VAL
("Samples per Converter per Frame Cycle (S)",
lane_info[lane].s);
JESD204_TREE_STORE_NEW_ROW_VAL("Total Bits per Sample (N')",
lane_info[lane].nd);
JESD204_TREE_STORE_NEW_ROW_VAL
("Control Words per Frame Cycle per Link (CF)",
lane_info[lane].cf);
JESD204_TREE_STORE_NEW_ROW_STRING("Scrambling (SCR)",
lane_info[lane].
scr ? "Enabled" : "Disabled");
JESD204_TREE_STORE_NEW_ROW_STRING("High Density Format (HD)",
lane_info[lane].
hd ? "Enabled" : "Disabled");
JESD204_TREE_STORE_NEW_ROW_VAL("Checksum (FCHK)",
lane_info[lane].fchk);
JESD204_TREE_STORE_NEW_ROW_VAL("ADJCNT Adjustment step count",
lane_info[lane].adjcnt);
JESD204_TREE_STORE_NEW_ROW_VAL("PHYADJ Adjustment request",
lane_info[lane].phyadj);
JESD204_TREE_STORE_NEW_ROW_VAL("ADJDIR Adjustment direction",
lane_info[lane].adjdir);
}
gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(treestore));
g_object_unref(GTK_TREE_MODEL(treestore));
return 0;
}
static GtkWidget *create_view_and_model(unsigned active_lanes)
{
GtkTreeViewColumn *col;
GtkCellRenderer *renderer;
view = gtk_tree_view_new();
col = gtk_tree_view_column_new();
gtk_tree_view_column_set_title(col, "Lane");
gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_column_pack_start(col, renderer, TRUE);
gtk_tree_view_column_add_attribute(col, renderer, "text", COLUMN);
col = gtk_tree_view_column_new();
gtk_tree_view_column_set_title(col, "Value");
gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_column_pack_start(col, renderer, TRUE);
gtk_tree_view_column_add_attribute(col, renderer, "text", COLUMN2);
return view;
}
int get_devices(const char *path, const char *driver, const char *file, GtkWidget *device_select)
{
int dev_num, i;
dev_num = jesd_find_devices(path, driver, file, jesd_devices, 0);
for (i = 0; i < dev_num; i++)
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(device_select),
(const gchar *)jesd_devices[i]);
gtk_combo_box_set_active(GTK_COMBO_BOX(device_select), 0);
return 0;
}
int print_output_sys(void *err, const char *str, ...)
{
va_list args;
char buf[250];
int len;
bzero(buf, 250);
va_start(args, str);
len = vsprintf(buf, str, args);
va_end(args);
if (err == stderr) {
fprintf(stderr, buf, NULL);
gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
buf, -1, "red_bg",
"lmarg", "bold", NULL);
} else if (err == stdout) {
fprintf(stdout, buf, NULL);
gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
buf, -1, "bold",
"lmarg", NULL);
}
/* Fix warning: variable ‘len’ set but not used [-Wunused-but-set-variable] */
return len;
}
static void analyse(struct jesd204b_xcvr_eyescan_info *info,
unsigned long long *data, unsigned int width,
unsigned int height, FILE *gp)
{
unsigned *data_u32 = (unsigned *)data;
unsigned int x, y;
int xmin, xmax;
int ymin, ymax;
xmin = -1;
xmax = -1;
y = (height + 1) / 2;
for (x = 0; x < width; x++) {
if (!(info->lpm ? data_u32[y * width + x] & 0x0000FFFF :
data[y * width + x] & 0xFFFF0000FFFF)) {
if (xmin == -1) {
xmin = x;
}
xmax = x;
}
}
ymin = -1;
ymax = -1;
x = (width + 1) / 2;
for (y = 0; y < height; y++) {
if (!(info->lpm ? data_u32[y * width + x] & 0x0000FFFF :
data[y * width + x] & 0xFFFF0000FFFF)) {
if (ymin == -1) {
ymin = y;
}
ymax = y;
}
}
y = (height + 1) / 2;
x = (width + 1) / 2;
xmin -= x;
xmax -= x;
ymin -= y;
ymax -= y;
fprintf(gp, "set label 'Eye-Opening:' at -0.48,-90 front\n");
fprintf(gp, "set label 'H: %.3f (UI)' at -0.48,-105 front\n",
(float)xmax / ((float)info->es_hsize) - (float)xmin / ((float)info->es_hsize));
fprintf(gp, "set label 'V: %d (CODES)' at -0.48,-120 front\n",
ymax - ymin);
print_output_sys(stdout, " H: %.3f (UI)\n",
(float)xmax / ((float)info->es_hsize) - (float)xmin / ((float)info->es_hsize));
print_output_sys(stdout, " V: %d (CODES)\n", ymax - ymin);
}
double calc_ber(struct jesd204b_xcvr_eyescan_info *info,
unsigned long long smpl, unsigned prescale)
{
unsigned long long err_ut0, err_ut1, cnt_ut0, cnt_ut1;
double ber;
if (info->lpm) {
err_ut0 = smpl & 0xFFFF;
cnt_ut0 = (smpl >> 16) & 0xFFFF;
if ((err_ut0) == 0) {
ber = 1 / (double)((info->cdr_data_width << (1 + prescale)) * cnt_ut0);
} else {
ber = err_ut0 / (double)((info->cdr_data_width << (1 + prescale)) * cnt_ut0);
}
} else {
err_ut0 = smpl & 0xFFFF;
err_ut1 = (smpl >> 32) & 0xFFFF;
cnt_ut0 = (smpl >> 16) & 0xFFFF;
cnt_ut1 = (smpl >> 48) & 0xFFFF;
if ((err_ut0 + err_ut1) == 0)
ber =
1 / (double)((info->cdr_data_width << (1 + prescale)) *
(cnt_ut0 + cnt_ut1));
else
ber = (err_ut0 * cnt_ut1 + err_ut1 * cnt_ut0) /
(double)(2 * (info->cdr_data_width << (1 + prescale)) * cnt_ut0 * cnt_ut1);
}
return ber;
}
int plot(struct jesd204b_xcvr_eyescan_info *info, char *file, unsigned lane,
unsigned p, char *file_png)
{
static FILE *gp = NULL;
int ret, i, cnt;
unsigned long long *buf;
unsigned *buf_lpm;
FILE *pFile;
if (gp == NULL) {
gp = popen("gnuplot", "w");
}
if (gp == NULL) {
print_output_sys(stderr, "No Gnuplot found - Please install gnuplot-x11 !\n");
return -1;
}
cnt = info->es_hsize * info->es_vsize; /* X,Y */
buf = malloc(cnt * (info->lpm ? 4 : 8));
buf_lpm = (unsigned *) buf;
if (buf == NULL) {
exit(EXIT_FAILURE);
}
if (file_png == NULL) {
/* This doesn't work for all versions of GTK/Gnuplot:
* https://stackoverflow.com/questions/41209199/cannot-embed-gnuplot-x11-window-into-gtk3-socket
*/
fprintf(gp, "set term x11 window \"%x\"\n",
(unsigned int)gtk_socket_get_id(GTK_SOCKET(sock)));
fprintf(gp, "set mouse nozoomcoordinates\n");
fprintf(gp, "set autoscale\n");
} else {
fprintf(gp, "set term png\n");
fprintf(gp, "set output '%s'\n", file_png);
}
fprintf(gp, "set view map\n");
fprintf(gp, "unset label\n");
fprintf(gp, "set contour base\n");
fprintf(gp, "set ylabel 'Vertical Offset (CODES)'\n");
fprintf(gp, "set xlabel 'Horizontal Offset (UI)'\n");
fprintf(gp, "set palette rgbformulae 7,5,15\n");
fprintf(gp, "set title '"
"JESD204B Lane%i @ %.2f Gbps %s (Max BER %.1e)'\n",
lane, (double)info->lane_rate / 1000000, info->lpm ? "LPM" : "DFE",
calc_ber(info, 0xFFFF0000FFFF0000, p));
fprintf(gp,
"set label 'Xilinx 2D Statistical Eye Scan' at graph 0.0,1.2 left front\n");
fprintf(gp, "set grid xtics ytics front lc rgb 'grey'\n");
fprintf(gp, "set cblabel 'BER 10E'\n");
fprintf(gp, "set cntrparam levels incremental -1,-1,%i\n",
(int)log10(calc_ber(info, 0xFFFF0000FFFF0000, p)));
fprintf(gp,
"set arrow from -0.175,0 to 0,22.5 nohead front lw 1 lc rgb \'white\'\n");
fprintf(gp,
"set arrow from 0,22.5 to 0.175,0 nohead front lw 1 lc rgb \'white\'\n");
fprintf(gp,
"set arrow from 0.175,0 to 0,-22.5 nohead front lw 1 lc rgb \'white\'\n");
fprintf(gp,
"set arrow from 0,-22.5 to -0.175,0 nohead front lw 1 lc rgb \'white\'\n");
fprintf(gp, "set label 'MASK' at 0,0 center front tc rgb 'white'\n");
pFile = fopen(file, "r");
ret = fread(buf, info->lpm ? 4 : 8, cnt, pFile);
fclose(pFile);
if (ret != cnt) {
print_output_sys(stderr, "%s:%d: read failed\n", __func__, __LINE__);
return -EINVAL;
}
analyse(info, buf, info->es_hsize, info->es_vsize, gp);
fprintf(gp, "splot '-' using 2:1:(log10($3)) with pm3d title ' '\n");
fflush(gp);
for (i = 0; i < cnt; i++) {
if (i % info->es_hsize == 0) {
fprintf(gp, "\n");
}
fprintf(gp, "%f %f %e\n",
((float)(i / info->es_hsize) - (info->es_vsize / 2)),
((float)(i % info->es_hsize) - (info->es_hsize / 2)) / (info->es_hsize - 1),
calc_ber(info, info->lpm ? buf_lpm[i] : buf[i], p));
}
fprintf(gp, "e\n");
fflush(gp);
if (buf) {
free(buf);
}
return 0;
}
int write_sysfs(char *filename, char *basedir, char *val)
{
FILE *sysfsfp;
char temp[PATH_MAX];
int ret = 0;
sprintf(temp, "%s/%s", basedir, filename);
sysfsfp = fopen(temp, "w");
if (sysfsfp == NULL) {
return -errno;
}
ret = fprintf(sysfsfp, "%s", val);
fclose(sysfsfp);
return ret;
}
int get_eye_data(struct jesd204b_xcvr_eyescan_info *info, char *filename,
char *basedir, char *filename_out)
{
FILE *sysfsfp, *pFile;
char temp[PATH_MAX];
unsigned long long *buf;
int ret = 0;
unsigned cnt = info->es_hsize * info->es_vsize; /* X,Y */
buf = malloc(cnt * (info->lpm ? 4 : 8));
if (buf == NULL) {
return -ENOMEM;
}
sprintf(temp, "%s/%s", basedir, filename);
sysfsfp = fopen(temp, "r");
if (sysfsfp == NULL) {
free(buf);
return -errno;
}
ret = fread(buf, info->lpm ? 4 : 8, cnt, sysfsfp);
fclose(sysfsfp);
if (ret != cnt) {
print_output_sys(stderr, "%s:%d: read failed\n", __func__, __LINE__);
return -EINVAL;
}
pFile = fopen(filename_out, "w");
if (pFile == NULL) {
print_output_sys(stderr, "%s:%d: open failed\n", __func__, __LINE__);
free(buf);
return -errno;
}
ret = fwrite(buf, info->lpm ? 4 : 8, cnt, pFile);
fclose(pFile);
free(buf);
if (ret != cnt) {
print_output_sys(stderr, "%s:%d: write failed\n", __func__, __LINE__);
return -EINVAL;
}
return 0;
}
int get_eye(struct jesd204b_xcvr_eyescan_info *info, unsigned lane,
unsigned prescale)
{
char temp[64];
int ret;
if (!work_run) {
return 0;
}
sprintf(temp, "%d", prescale);
write_sysfs(JESD204B_PRESCALE, info->gt_interface_path, temp);
sprintf(temp, "%d", lane);
write_sysfs(JESD204B_LANE_ENABLE, info->gt_interface_path, temp);
sprintf(temp, "lane%d_p%d.eye", lane, prescale);
ret = get_eye_data(info, JESD204B_EYE_DATA, info->gt_interface_path, temp);
if (ret) {
return ret;
}
sprintf(temp, "Lane %d : %.2e",
lane, calc_ber(info, 0xFFFF0000FFFF0000, prescale));
gdk_threads_enter();
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(finished_eyes),
(const gchar *)temp);
if (!is_first) {
gtk_combo_box_set_active(GTK_COMBO_BOX(finished_eyes), 0);
is_first++;
}
gdk_threads_leave();
return 0;
}
int read_eyescan_info(const char *basedir,
struct jesd204b_xcvr_eyescan_info *info)
{
FILE *pFile;
char temp[PATH_MAX];
int ret;
sprintf(temp, "%s/eyescan_info", basedir);
pFile = fopen(temp, "r");
if (pFile == NULL) {
print_output_sys(stderr, "Failed to read JESD204 device file: %s\n",
temp);
print_output_sys(stderr, "Select axi-adxcvr-rx device!\n");
return -errno;
}
ret = fscanf(pFile, "x%d,y%d CDRDW: %llu LPM: %d NL: %d LR: %lu\n",
&info->es_hsize, &info->es_vsize, &info->cdr_data_width,
&info->lpm, &info->num_lanes, &info->lane_rate);
fclose(pFile);
if (ret != 6) {
print_output_sys(stderr, "Failed to read full eyescan_info\n");
return -EINVAL;
}
return 0;
}
void *worker(void *args)
{
struct jesd204b_xcvr_eyescan_info *info = args;
unsigned lane_en = 0, p = 0, pmin, pmax, l, i = 0;
/* get GTK thread lock */
gdk_threads_enter();
for (l = 0; l < MAX_LANES; l++) {
lane_en |= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(lane[l])) << l;
}
pmin = gtk_combo_box_get_active(GTK_COMBO_BOX(min_ber));
pmax = gtk_combo_box_get_active(GTK_COMBO_BOX(max_ber));
gdk_threads_leave();
if (pmin > pmax) {
p = pmin;
pmin = pmax;
pmax = p;
}
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
for (p = pmin; p <= pmax; p++) {
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progressbar1),
(float)(i++) / ((pmax - pmin) ? (pmax - pmin) : 1));
for (l = 0; l < MAX_LANES; l++)
if (lane_en & (1 << l)) {
get_eye(info, l, p);
}
}
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progressbar1), 1.0);
return 0;
}
void save_plot_pressed_cb(GtkButton *button, gpointer user_data)
{
GtkWidget *dialog;
char temp[PATH_MAX];
unsigned lane, prescale;
gchar *item;
double tmp, tmp2, places;
unsigned int i;
struct jesd204b_xcvr_eyescan_info *info = &eyescan_info;
item = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(finished_eyes));
if (item == NULL) {
return;
}
sscanf(item, "Lane %d : %lf", &lane, &tmp);
for (i = 0; i <= MAX_PRESCALE; i++) {
tmp2 = calc_ber(info, 0xFFFF0000FFFF0000, i);
places = pow(10.0, round(abs(log10(tmp2))));
tmp2 = (round(tmp2 * places * 1000.0))/(places * 1000.0);
if (tmp2 == tmp) {
prescale = i;
break;
}
}
sprintf(item, "lane%d_p%d.eye", lane, prescale);
sprintf(temp, "lane%d_%.2eBERT.png", lane, tmp);
dialog = gtk_file_chooser_dialog_new("Save File",
NULL,
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE,
GTK_RESPONSE_ACCEPT, NULL);
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog),
TRUE);
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), "./");
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), temp);
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
char *filename;
filename =
gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
plot(info, item, lane, prescale, filename);
g_free(filename);
}
free(item);
gtk_widget_destroy(dialog);
}
void show_pressed_cb(GtkButton *button, gpointer user_data)
{
unsigned lane, prescale=0;
double tmp, tmp2, places;
unsigned int i;
gchar *item =
gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT
(finished_eyes));
if (item == NULL) {
return;
}
struct jesd204b_xcvr_eyescan_info *info = &eyescan_info;
text_view_delete();
sscanf(item, "Lane %d : %lf", &lane, &tmp);
for (i = 0; i <= MAX_PRESCALE; i++) {
tmp2 = calc_ber(info, 0xFFFF0000FFFF0000, i);
places = pow(10.0, round(abs(log10(tmp2))));
tmp2 = (round(tmp2 * places * 1000.0))/(places * 1000.0);
if (tmp2 == tmp) {
prescale = i;
break;
}
}
sprintf(item, "lane%d_p%d.eye", lane, prescale);
print_output_sys(stdout, "LANE%d P(%d) @ %.2f Gbps\n", lane, prescale,
(double)info->lane_rate / 1000000);
print_output_sys(stdout, "Eye Center:\n ERR: 0 BER: %.3e\n",
calc_ber(info, 0xFFFF0000FFFF0000, prescale));
plot(info, item, lane, prescale, NULL);
free(item);
}
void start_pressed_cb(GtkButton *button, gpointer user_data)
{
struct jesd204b_xcvr_eyescan_info *info = &eyescan_info;
int ret;
if (work) {
ret = pthread_tryjoin_np(work, NULL);
if (ret) {
print_output_sys(stderr, "Wait until previous run terminates\n");
return;
}
}
ret = read_eyescan_info(info->gt_interface_path, info);
if (ret) {
return;
}
work_run = 1;
gtk_list_store_clear(GTK_LIST_STORE
(gtk_combo_box_get_model
(GTK_COMBO_BOX(finished_eyes))));
is_first = 0;
pthread_create(&work, NULL, worker, info);
}
void terminate_pressed_cb(GtkButton *button, gpointer user_data)
{
work_run = 0;
if (work) {
pthread_cancel(work);
}
}
void device_select_pressed_cb(GtkComboBoxText *combo_box, gpointer user_data)
{
int i, ret;
char temp[128];
struct jesd204b_xcvr_eyescan_info *info = &eyescan_info;
work_run = 0;
gchar *item = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(combo_box));
if (item == NULL) {
return;
}
ret = snprintf(info->gt_interface_path, sizeof(info->gt_interface_path),
"%s/%s", basedir, item);
if (ret < 0) {
return;
}
gtk_list_store_clear(GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(
finished_eyes))));
text_view_delete();
ret = read_eyescan_info(info->gt_interface_path, info);
if (ret) {
return;
}
gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(min_ber));
gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(max_ber));
/* Populate min/max BER combo boxes */
for (i = 0; i <= MAX_PRESCALE; i++) {
sprintf(temp, "%.2e",
calc_ber(info, 0xFFFF0000FFFF0000, i));
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(min_ber),
(const gchar *)temp);
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(max_ber),
(const gchar *)temp);
if (i == 0) {
gtk_combo_box_set_active(GTK_COMBO_BOX(min_ber), 0);
gtk_combo_box_set_active(GTK_COMBO_BOX(max_ber), 0);
}
}
/* Hide lane enable check boxes */
for (i = 0; i < MAX_LANES; i++) {
if (i < info->num_lanes) {
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(lane[i]), TRUE);
gtk_widget_show(lane[i]);
} else {
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(lane[i]), FALSE);
gtk_widget_hide(lane[i]);
}
}
}
GtkWidget *set_lable_text(GtkWidget *label, const char *text,
const char *expected, unsigned invert)
{
GdkColor color;
if (g_strcmp0(text, expected)) {
color = (invert ? color_green : color_red);
} else {
color = (invert ? color_red: color_green);
}
if (label) {
gtk_label_set_text(GTK_LABEL(label), text);
} else {
label = gtk_label_new(text);
}
if (expected != NULL) {
gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &color);
}
return label;
}
void my_gtk_label_set_xalign(GtkLabel *label, float xalign)
{
GValue val = G_VALUE_INIT;
g_value_init(&val, G_TYPE_FLOAT);
g_value_set_float(&val, xalign);
g_object_set_property(G_OBJECT(label), "xalign", &val);
g_value_unset(&val);
}
GtkWidget *set_per_lane_status(struct jesd204b_laneinfo *info, unsigned lanes)
{
struct jesd204b_laneinfo *lane;
GdkColor color;
GtkWidget *label;
char text[128];
int i, j;
int latency_min, latency, octets_per_multifame;
struct jesd204b_laneinfo *tmp = info;
static const char *tab_lables[] = {
"Lane#",
"Errors",
"Latency \n(Multiframes/Octets)",
"CGS State",
"Initial Frame Sync",
"Initial Lane \nAlignment Sequence",
};
if (grid) {
gtk_widget_destroy(GTK_WIDGET(grid));
grid = NULL;
}
if (lanes == 0) {
return NULL;
}
for (i = 0, latency_min = INT_MAX; i < lanes; i++) {
lane = tmp++;
octets_per_multifame = lane->k * lane->f;
latency_min = MIN(latency_min, octets_per_multifame *
lane->lane_latency_multiframes +
lane->lane_latency_octets);
}
grid = gtk_grid_new();
gtk_grid_set_column_spacing(GTK_GRID(grid), 20);
gtk_grid_set_row_spacing(GTK_GRID(grid), 10);
for (i = 0; i < lanes + 1; i++) {
j = 0;
if (i == 0) {
for (j = 0; j < 6; j++) {
label = set_lable_text(NULL, tab_lables[j], NULL, 0);
my_gtk_label_set_xalign(GTK_LABEL(label), 0);
gtk_grid_attach(GTK_GRID(grid), label, i, j, 1, 1);
}
} else {
lane = info++;
octets_per_multifame = lane->k * lane->f;
latency = octets_per_multifame * lane->lane_latency_multiframes +
lane->lane_latency_octets;
if ((latency - latency_min) >= octets_per_multifame) {
color = color_red;
} else {
if ((latency - latency_min) > (octets_per_multifame / 2)) {
color = color_orange;
} else {
color = color_green;
}
}
g_snprintf(text, sizeof(text), "Lane %d", i);
label = set_lable_text(NULL, text, NULL, 0);
gtk_grid_attach(GTK_GRID(grid), label, i, j++, 1, 1);
g_snprintf(text, sizeof(text), "%d", lane->lane_errors);
label = set_lable_text(NULL, text, "0", 0);
gtk_grid_attach(GTK_GRID(grid), label, i, j++, 1, 1);
g_snprintf(text, sizeof(text), "%d / %d", lane->lane_latency_multiframes,
lane->lane_latency_octets);
label = set_lable_text(NULL, text, NULL, 0);
gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &color);
gtk_grid_attach(GTK_GRID(grid), label, i, j++, 1, 1);