made scrollable window to standby unless user sends q character to quit the window

Author: vigneshraja123717

cli/diag.c

@@ -202,6 +202,7 @@ int eye_observe_dev(struct switchtec_dev *dev, unsigned int error_threshold,
 	struct switchtec_diag_port_6p_eye_data data_6p_out;
 	int eye_data[4];
 	int eye_6p_data[6];
+	unsigned int w2h_score;
 
 	if (eye_capture_type == SWTEC_EOM_4P_CAPTURE)
 	{
@@ -216,7 +217,7 @@ int eye_observe_dev(struct switchtec_dev *dev, unsigned int error_threshold,
 
 		if (!ret)
 		{
-			eye_plot_graph(eye_data, false);
+			eye_plot_graph(eye_data, false, 0);
 		}
 	}
 	else
@@ -232,8 +233,9 @@ int eye_observe_dev(struct switchtec_dev *dev, unsigned int error_threshold,
 
                 if (!ret)
                 {
-			printf("W2H Score for Lane %d is %d\n", lane_id, calculate_w2h_score(&data_6p_out));
-                        eye_plot_graph(eye_6p_data, true);
+			w2h_score = calculate_w2h_score(&data_6p_out);
+			printf("W2H Score for Lane %d is %d\n", lane_id, w2h_score);
+                        eye_plot_graph(eye_6p_data, true, w2h_score);
                 }
 	}
 

cli/graph.c

@@ -384,7 +384,7 @@ void plot_point(int x, int y)
     mvprintw(y/Y_SCALE, x*X_SCALE, "O (%d,%d)", x-Y_PRINT_OFFSET, y-X_PRINT_OFFSET);
 }
 
-int eye_plot_graph(int *data, bool plot_6p_points)
+int eye_plot_graph(int *data, bool plot_6p_points, unsigned int w2h_score)
 {
     initscr();
     noecho();
@@ -406,6 +406,12 @@ int eye_plot_graph(int *data, bool plot_6p_points)
         mvprintw(y/Y_SCALE, 0, "%2d", y);
     }
 
+    char legend[32];
+    snprintf(legend, sizeof(legend), "W2H SCORE = %u", w2h_score);
+    
+    if (plot_6p_points == true)
+    	mvprintw(0, COLS - strlen(legend) - 1, "%s", legend);
+
     //Adjusting the eye points to plot from 0 to 42 for x-axis and 0 t0 100 for Y-axis
     //as ncurses library did not support negative ploting
     data[0] = data[0] + X_LAYOUT_SHIFT;
@@ -435,8 +441,14 @@ int eye_plot_graph(int *data, bool plot_6p_points)
         plot_point(X_LAYOUT_SHIFT + Y_PRINT_OFFSET, data[3] + X_PRINT_OFFSET);
     }
 
+    mvprintw(LINES - 1, 0, "Press 'q' to quit.");
     refresh();
-    getch();
+
+    int ch;
+    while ((ch = getch()) != 'q') {
+        // Standby, do nothing
+    }
+    
     endwin();
     return 0;
 }

cli/graph.h

@@ -84,6 +84,6 @@ int graph_draw_win(struct range *X, struct range *Y, int *data, int *shades,
 		   const char *title, char x_title, char y_title, char *status,
 		   graph_anim_fn *anim, void *opaque);
 
-int eye_plot_graph(int *data, bool plot_6p_points);
+int eye_plot_graph(int *data, bool plot_6p_points, unsigned int w2h_score);
 
 #endif

lib/diag.c

@@ -256,7 +256,7 @@ int switchtec_diag_eye_6p_data_fetch(struct switchtec_dev *dev, struct switchtec
 	}
 
 	if (out.status == EOM_IN_PROGRESS) {
-		usleep(5000);
+		usleep(500000);
 		goto retry;
 	}
 	else if(out.status == EOM_SUCCESS)
@@ -318,7 +318,7 @@ int switchtec_diag_eye_fetch(struct switchtec_dev *dev, struct switchtec_diag_po
 	}
 
 	if (out.status == EOM_IN_PROGRESS) {
-		usleep(5000);
+		usleep(500000);
 		goto retry;
 	}
 	else if(out.status == EOM_SUCCESS)