Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos

[fw/altos] / ao-tools / ao-eeprom / ao-eeprom.c

diff --git a/ao-tools/ao-eeprom/ao-eeprom.c b/ao-tools/ao-eeprom/ao-eeprom.c
index 399732d9f1fea9b9b7e230ac782c52943035d440..726cc22cafd0e0c1a8becbe4ef52ab03c5e1b547 100644 (file)
--- 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);