Update of the display_usage function.

Some arguments changed name to make them more like the already existent ones.
Some arguments were merged to one to reduce redundant code.
Fix issue #375

diff --git a/simavr/sim/run_avr.c b/simavr/sim/run_avr.c
index fd2cdc5..b4fda3f 100644 (file)
--- a/simavr/sim/run_avr.c
+++ b/simavr/sim/run_avr.c
@@ -47,7 +47,9 @@ display_usage(
                        "       [--gdb|-g [<port>]] Listen for gdb connection on <port> (default 1234)\n"
                        "       [-ff <.hex file>]   Load next .hex file as flash\n"
                        "       [-ee <.hex file>]   Load next .hex file as eeprom\n"
-                       "       [--input|-i <file>] A .vcd file to use as input signals\n"
+                       "       [--input|-i <file>] A vcd file to use as input signals\n"
+                       "       [--output|-o <file>] A vcd file to save the traced signals\n"
+                       "       [--add-trace|-at <name=kind@addr/mask>] Add signal to be traced\n"
                        "       [-v]                Raise verbosity level\n"
                        "                           (can be passed more than once)\n"
                        "       <firmware>          A .hex or an ELF file. ELF files are\n"
@@ -122,14 +124,13 @@ main(
                                display_usage(basename(argv[0]));
                } else if (!strcmp(argv[pi], "-t") || !strcmp(argv[pi], "--trace")) {
                        trace++;
-               } else if (!strcmp(argv[pi], "--vcd-trace-name")) {
+               } else if (!strcmp(argv[pi], "-o") || !strcmp(argv[pi], "--output")) {
                        if (pi + 1 >= argc) {
                                fprintf(stderr, "%s: missing mandatory argument for %s.\n", argv[0], argv[pi]);
                                exit(1);
                        }
-                       ++pi;
-                       snprintf(f.tracename, sizeof(f.tracename), "%s",  argv[pi]);
-               } else if (!strcmp(argv[pi], "--add-vcd-trace")) {
+                       snprintf(f.tracename, sizeof(f.tracename), "%s", argv[++pi]);
+               } else if (!strcmp(argv[pi], "-at") || !strcmp(argv[pi], "--add-trace")) {
                        if (pi + 1 >= argc) {
                                fprintf(stderr, "%s: missing mandatory argument for %s.\n", argv[0], argv[pi]);
                                exit(1);
@@ -186,12 +187,6 @@ main(
                        );
 
                        ++f.tracecount;
-               } else if (!strcmp(argv[pi], "--vcd-trace-file")) {
-                       if (pi + 1 >= argc) {
-                               fprintf(stderr, "%s: missing mandatory argument for %s.\n", argv[0], argv[pi]);
-                               exit(1);
-                       }
-                       snprintf(f.tracename, sizeof(f.tracename), "%s", argv[++pi]);
                } else if (!strcmp(argv[pi], "-ti")) {
                        if (pi < argc-1)
                                trace_vectors[trace_vectors_count++] = atoi(argv[++pi]);