Add ability to dump eeprom data over radio link.

This adds a '-R' option to ao-dumplog to redirect the connection
through a USB attached TeleDongle over the radio link to a remote
TeleMetrum device.

Signed-off-by: Keith Packard <keithp@keithp.com>

3 files changed, 47 insertions, 4 deletions

diff --git a/ao-tools/ao-dumplog/ao-dumplog.c b/ao-tools/ao-dumplog/ao-dumplog.c
index 158a445b..4bfb7e51 100644
--- a/ao-tools/ao-dumplog/ao-dumplog.c
+++ b/ao-tools/ao-dumplog/ao-dumplog.c
@@ -28,12 +28,13 @@
 static const struct option options[] = {
 	{ .name = "tty", .has_arg = 1, .val = 'T' },
 	{ .name = "device", .has_arg = 1, .val = 'D' },
+	{ .name = "remote", .has_arg = 1, .val = 'R' },
 	{ 0, 0, 0, 0},
 };
 
 static void usage(char *program)
 {
-	fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>\n", program);
+	fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>] [-R]\n", program);
 	exit(1);
 }
 
@@ -80,8 +81,9 @@ main (int argc, char **argv)
 	int		data[8];
 	int		done;
 	int		column;
+	int		remote = 0;
 
-	while ((c = getopt_long(argc, argv, "T:D:", options, NULL)) != -1) {
+	while ((c = getopt_long(argc, argv, "T:D:R", options, NULL)) != -1) {
 		switch (c) {
 		case 'T':
 			tty = optarg;
@@ -89,13 +91,20 @@ main (int argc, char **argv)
 		case 'D':
 			device = optarg;
 			break;
+		case 'R':
+			remote = 1;
+			break;
 		default:
 			usage(argv[0]);
 			break;
 		}
 	}
-	if (!tty)
-		tty = cc_usbdevs_find_by_arg(device, "TeleMetrum");
+	if (!tty) {
+		if (remote)
+			tty = cc_usbdevs_find_by_arg(device, "TeleDongle");
+		else
+			tty = cc_usbdevs_find_by_arg(device, "TeleMetrum");
+	}
 	if (!tty)
 		tty = getenv("ALTOS_TTY");
 	if (!tty)
@@ -103,6 +112,8 @@ main (int argc, char **argv)
 	cc = cc_usb_open(tty);
 	if (!cc)
 		exit(1);
+	if (remote)
+		cc_usb_open_remote(cc);
 	/* send a 'version' command followed by a 'log' command */
 	cc_usb_printf(cc, "v\n");
 	out = NULL;
diff --git a/ao-tools/lib/cc-usb.c b/ao-tools/lib/cc-usb.c
index 80d9c04f..9b3b831f 100644
--- a/ao-tools/lib/cc-usb.c
+++ b/ao-tools/lib/cc-usb.c
@@ -53,6 +53,8 @@ struct cc_usb {
 
 	struct cc_hex_read	hex_buf[CC_NUM_HEX_READ];
 	int			hex_count;
+
+	int			remote;
 };
 
 #define NOT_HEX	0xff
@@ -372,6 +374,28 @@ cc_usb_reset(struct cc_usb *cc)
 	return 1;
 }
 
+void
+cc_usb_open_remote(struct cc_usb *cc)
+{
+	if (!cc->remote) {
+		cc_usb_printf(cc, "p\nE 0\n");
+		do {
+			cc->in_count = cc->in_pos = 0;
+			_cc_usb_sync(cc, 100);
+		} while (cc->in_count > 0);
+		cc->remote = 1;
+	}
+}
+
+void
+cc_usb_close_remote(struct cc_usb *cc)
+{
+	if (cc->remote) {
+		cc_usb_printf(cc, "~");
+		cc->remote = 0;
+	}
+}
+
 static struct termios	save_termios;
 
 struct cc_usb *
@@ -406,6 +430,8 @@ cc_usb_open(char *tty)
 void
 cc_usb_close(struct cc_usb *cc)
 {
+	cc_usb_close_remote(cc);
+	cc_usb_sync(cc);
 	tcsetattr(cc->fd, TCSAFLUSH, &save_termios);
 	close (cc->fd);
 	free (cc);
diff --git a/ao-tools/lib/cc-usb.h b/ao-tools/lib/cc-usb.h
index 7b6be350..627f1b5d 100644
--- a/ao-tools/lib/cc-usb.h
+++ b/ao-tools/lib/cc-usb.h
@@ -62,4 +62,10 @@ cc_usb_getline(struct cc_usb *cc, char *line, int max);
 void
 cc_usb_printf(struct cc_usb *cc, char *format, ...);
 
+void
+cc_usb_open_remote(struct cc_usb *cc);
+
+void
+cc_usb_close_remote(struct cc_usb *cc);
+
 #endif /* _CC_USB_H_ */