# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1694243151 0
# Node ID 7e6dcceb5ee816156d1ae9dc83d4cc94e8df6e64
# Parent  4e5c8ac4d50855f702250142c6aaa8ff21e4fa05
fteeprom-prog: implement -r option for FT232R mode

diff -r 4e5c8ac4d508 -r 7e6dcceb5ee8 fteeprom/fteeprom-prog.c
--- a/fteeprom/fteeprom-prog.c	Sat Sep 09 01:06:43 2023 +0000
+++ b/fteeprom/fteeprom-prog.c	Sat Sep 09 07:05:51 2023 +0000
@@ -83,26 +83,40 @@
 main(argc, argv)
 	char **argv;
 {
+	char **ap, *devsel;
 	struct usb_device *dev;
 	usb_dev_handle *usbh;
+	int ft232r_mode = 0;
 	unsigned n;
 
-	if (argc < 2 || argc > 3) {
-		fprintf(stderr, "usage: %s device-selector [eeprom-image]\n",
+	if (argc < 2) {
+usage:		fprintf(stderr,
+			"usage: %s [-r] device-selector [eeprom-image]\n",
 			argv[0]);
 		exit(1);
 	}
-	if (argv[2])
-		read_eeprom_from_file(argv[2]);
-	else
+	ap = argv + 1;
+	if (!strcmp(*ap, "-r")) {
+		ft232r_mode = 1;
+		ap++;
+	}
+	if (!*ap)
+		goto usage;
+	devsel = *ap++;
+	if (*ap) {
+		if (ap[1])
+			goto usage;
+		read_eeprom_from_file(*ap);
+	} else
 		read_eeprom_from_stdin();
-	dev = find_usbdev_by_desc_string(argv[1]);
+	dev = find_usbdev_by_desc_string(devsel);
 	if (!dev) {
 		fprintf(stderr, "error: specified USB device not found\n");
 		exit(1);
 	}
 	usbh = usbwrap_open_dev(dev, 1);
-	/* FIXME: reimplement FT232R magic sequence */
+	if (ft232r_mode)
+		ft232r_eeprom_magic(usbh);
 	for (n = 0; n < eeprom_size; n++)
 		ftmini_write_eeprom_loc(usbh, n, eeprom[n]);
 	usbwrap_close_dev(usbh);