X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Fao-eeprom%2Fao-eeprom.c;h=726cc22cafd0e0c1a8becbe4ef52ab03c5e1b547;hp=399732d9f1fea9b9b7e230ac782c52943035d440;hb=9b03d620722dc54630539afba40720c30de69b2d;hpb=7c790fe859dff062692964338091ffbbcdf63257

diff --git a/ao-tools/ao-eeprom/ao-eeprom.c b/ao-tools/ao-eeprom/ao-eeprom.c
index 399732d9..726cc22c 100644
--- a/ao-tools/ao-eeprom/ao-eeprom.c
+++ b/ao-tools/ao-eeprom/ao-eeprom.c
@@ -18,10 +18,23 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
 #include "cc-usb.h"
 
 #define NUM_BLOCK	512
 
+static const struct option options[] = {
+	{ .name = "tty", .has_arg = 1, .val = 'T' },
+	{ 0, 0, 0, 0},
+};
+
+static void usage(char *program)
+{
+	fprintf(stderr, "usage: %s [--tty <tty-name>]\n", program);
+	exit(1);
+}
+
 int
 main (int argc, char **argv)
 {
@@ -31,10 +44,26 @@ main (int argc, char **argv)
 	uint8_t		*b;
 	int		i, j;
 	uint32_t	addr;
-	char		*tty;
+	char		*tty = NULL;
+	int		c;
 
-	tty = getenv("CCDBG_TTY");
+	while ((c = getopt_long(argc, argv, "T:", options, NULL)) != -1) {
+		switch (c) {
+		case 'T':
+			tty = optarg;
+			break;
+		default:
+			usage(argv[0]);
+			break;
+		}
+	}
+	if (!tty)
+		tty = getenv("ALTOS_TTY");
+	if (!tty)
+		tty="/dev/ttyACM0";
 	cc = cc_usb_open(tty);
+	if (!cc)
+		exit(1);
 	for (block = 0; block < NUM_BLOCK; block++) {
 		cc_queue_read(cc, bytes, sizeof (bytes));
 		cc_usb_printf(cc, "e %x\n", block);