Initial Commit - Copy from Altus Metrum AltOS

2024-06-25 19:03:04 +02:00
commit 13fc49c923
2048 changed files with 1206748 additions and 0 deletions
--- a/ao-tools/ao-usbtrng/ao-usbtrng.c
+++ b/ao-tools/ao-usbtrng/ao-usbtrng.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright © 2014 Keith Packard <keithp@keithp.com>
+ *
+ * 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; 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <err.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sysexits.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdbool.h>
+#include "ao-elf.h"
+#include "ccdbg.h"
+#include "cc-usb.h"
+#include "cc.h"
+#include "ao-verbose.h"
+
+static const struct option options[] = {
+	{ .name = "tty", .has_arg = 1, .val = 'T' },
+	{ .name = "device", .has_arg = 1, .val = 'D' },
+	{ .name = "verbose", .has_arg = 0, .val = 'v' },
+	{ 0, 0, 0, 0},
+};
+
+static void usage(char *program)
+{
+	fprintf(stderr, "usage: %s [--verbose] [--device=<AltOS-device>] [-tty=<tty>] [<kbytes>]\n", program);
+	exit(1);
+}
+
+static void
+done(struct cc_usb *cc, int code)
+{
+	cc_usb_close(cc);
+	exit (code);
+}
+
+int
+main (int argc, char **argv)
+{
+	char			*device = NULL;
+	int			i;
+	int			c;
+	struct cc_usb		*cc = NULL;
+	char			*tty = NULL;
+	int			verbose = 0;
+	int			ret = 0;
+	int			kbytes = 0; /* 0 == continuous */
+	int			written;
+	uint8_t			bits[1024];
+
+	while ((c = getopt_long(argc, argv, "vT:D:", options, NULL)) != -1) {
+		switch (c) {
+		case 'T':
+			tty = optarg;
+			break;
+		case 'D':
+			device = optarg;
+			break;
+		case 'v':
+			verbose++;
+			break;
+		default:
+			usage(argv[0]);
+			break;
+		}
+	}
+
+	if (optind < argc)
+		kbytes = atoi(argv[optind]);
+
+	ao_verbose = verbose;
+
+	if (verbose > 1)
+		ccdbg_add_debug(CC_DEBUG_BITBANG);
+
+	if (!tty)
+		tty = cc_usbdevs_find_by_arg(device, "usbtrng");
+	if (!tty)
+		tty = getenv("ALTOS_TTY");
+	if (!tty)
+		tty="/dev/ttyACM0";
+
+	cc = cc_usb_open(tty);
+
+	if (!cc)
+		exit(1);
+
+	if (kbytes) {
+		cc_usb_printf(cc, "f %d\n", kbytes);
+
+		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);
+}