X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Fao-usbtrng%2Fao-usbtrng.c;h=0362f1b46af98560dc220181e36afa64392b9f3d;hp=232f4e3e6a345a61e8ae1d3130cd8e92eff88a40;hb=1085ec5d57e0ed5d132f2bbdac1a0b6a32c0ab4a;hpb=bf08397202860a73417cd1711012eb3e33f308c3 diff --git a/ao-tools/ao-usbtrng/ao-usbtrng.c b/ao-tools/ao-usbtrng/ao-usbtrng.c index 232f4e3e..0362f1b4 100644 --- a/ao-tools/ao-usbtrng/ao-usbtrng.c +++ b/ao-tools/ao-usbtrng/ao-usbtrng.c @@ -3,7 +3,8 @@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -35,14 +36,13 @@ static const struct option options[] = { { .name = "tty", .has_arg = 1, .val = 'T' }, { .name = "device", .has_arg = 1, .val = 'D' }, - { .name = "raw", .has_arg = 0, .val = 'r' }, - { .name = "verbose", .has_arg = 1, .val = 'v' }, + { .name = "verbose", .has_arg = 0, .val = 'v' }, { 0, 0, 0, 0}, }; static void usage(char *program) { - fprintf(stderr, "usage: %s [--verbose=] [--device=] [-tty=] \n", program); + fprintf(stderr, "usage: %s [--verbose] [--device=] [-tty=] []\n", program); exit(1); } @@ -58,21 +58,17 @@ main (int argc, char **argv) { char *device = NULL; char *filename; - Elf *e; - unsigned int s; int i; int c; - int tries; struct cc_usb *cc = NULL; char *tty = NULL; - int success; int verbose = 0; int ret = 0; - int expected_size; - int kbytes; + int kbytes = 0; /* 0 == continuous */ + int written; uint8_t bits[1024]; - while ((c = getopt_long(argc, argv, "rT:D:c:s:v:", options, NULL)) != -1) { + while ((c = getopt_long(argc, argv, "vT:D:", options, NULL)) != -1) { switch (c) { case 'T': tty = optarg; @@ -89,12 +85,8 @@ main (int argc, char **argv) } } - if (!argv[optind]) - usage(argv[0]); - - kbytes = atoi(argv[optind]); - if (kbytes < 1) - kbytes = 1; + if (optind < argc) + kbytes = atoi(argv[optind]); ao_verbose = verbose; @@ -113,13 +105,22 @@ main (int argc, char **argv) if (!cc) exit(1); - cc_usb_printf(cc, "f %d\n", kbytes); + if (kbytes) { + cc_usb_printf(cc, "f %d\n", kbytes); - while (kbytes--) { - int i; - for (i = 0; i < 1024; i++) - bits[i] = cc_usb_getchar(cc); - write(1, bits, 1024); + while (kbytes--) { + for (i = 0; i < 1024; i++) + bits[i] = cc_usb_getchar(cc); + write(1, bits, 1024); + } + } else { /* 0 == continuous */ + written = 0; + while (written >= 0) { + cc_usb_printf(cc, "f 1\n"); + for (i = 0; i < 1024; i++) + bits[i] = cc_usb_getchar(cc); + written = write(1, bits, 1024); + } } done(cc, ret);