luke
/
icestorm
mirror of https://github.com/YosysHQ/icestorm.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

iceprog: Give more information about invocation errors

This commit is contained in:
Roland Lutz 2017-06-07 19:40:54 +02:00
parent 1fefe35545
commit dbdc65b65b
1 changed files with 24 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
iceprog/iceprog.c
View File

@ -32,6 +32,7 @@
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <err.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -373,7 +374,10 @@ int main(int argc, char **argv)
else if (!strcmp(optarg, "B")) ifnum = INTERFACE_B;
else if (!strcmp(optarg, "C")) ifnum = INTERFACE_C;
else if (!strcmp(optarg, "D")) ifnum = INTERFACE_D;
else help(argv[0]);
else
errx(EXIT_FAILURE,
"`%s' is not a valid interface (must be "
"`A', `B', `C', or `D')", optarg);
break;
case 'r':
read_mode = true;
@ -413,18 +417,29 @@ int main(int argc, char **argv)
}
if (read_mode + check_mode + prog_sram + test_mode > 1)
help(argv[0]);
errx(EXIT_FAILURE,
"options `-r'/`-R', `-c', `-S', and `-t' are mutually "
"exclusive");
if (bulk_erase && dont_erase)
help(argv[0]);
errx(EXIT_FAILURE,
"options `-b' and `-n' are mutually exclusive");
if (optind+1 != argc && !test_mode) {
if (bulk_erase && optind == argc)
filename = "/dev/null";
else
help(argv[0]);
} else
if (optind + 1 == argc) {
filename = argv[optind];
} else if (optind != argc) {
warnx("too many arguments");
fprintf(stderr, "Try `%s --help' "
"for more information.\n", argv[0]);
return EXIT_FAILURE;
} else if (bulk_erase) {
filename = "/dev/null";
} else if (!test_mode) {
warnx("missing argument");
fprintf(stderr, "Try `%s --help' "
"for more information.\n", argv[0]);
return EXIT_FAILURE;
}
// ---------------------------------------------------------
// Initialize USB connection to FT2232H