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comparison fteeprom/fteeprom-erase.c @ 46:d682cac178c2

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fteeprom-erase: implement -d option for interface detach
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Sep 2023 02:59:10 +0000
parents 2746b160afb7
children 5cbde3c80c24
comparison
equal deleted inserted replaced
45:a94bd4002076 46:d682cac178c2
17 #include <usb.h> 17 #include <usb.h>
18 #include "../libuwrap/find_dev.h" 18 #include "../libuwrap/find_dev.h"
19 #include "../libuwrap/open_close.h" 19 #include "../libuwrap/open_close.h"
20 #include "../libftmini/eeprom_func.h" 20 #include "../libftmini/eeprom_func.h"
21 21
22 char *device_selector;
23 int detach_num;
24
25 process_cmdline(argc, argv)
26 char **argv;
27 {
28 int c;
29 extern int optind;
30 extern char *optarg;
31
32 while ((c = getopt(argc, argv, "d:")) != EOF) {
33 switch (c) {
34 case 'd':
35 detach_num = atoi(optarg);
36 switch (detach_num) {
37 case 0:
38 case 1:
39 case 2:
40 case 4:
41 break;
42 default:
43 fprintf(stderr, "error: invalid -d argument\n");
44 exit(1);
45 }
46 continue;
47 default:
48 /* error msg already printed */
49 exit(1);
50 }
51 }
52 if (argc != optind + 1) {
53 fprintf(stderr, "usage: %s [options] device-selector\n",
54 argv[0]);
55 exit(1);
56 }
57 device_selector = argv[optind];
58 }
59
22 main(argc, argv) 60 main(argc, argv)
23 char **argv; 61 char **argv;
24 { 62 {
25 struct usb_device *dev; 63 struct usb_device *dev;
26 usb_dev_handle *usbh; 64 usb_dev_handle *usbh;
27 65
28 if (argc != 2) { 66 process_cmdline(argc, argv);
29 fprintf(stderr, "usage: %s device-selector\n"); 67 dev = find_usbdev_by_desc_string(device_selector);
30 exit(1);
31 }
32 dev = find_usbdev_by_desc_string(argv[1]);
33 if (!dev) { 68 if (!dev) {
34 fprintf(stderr, "error: specified USB device not found\n"); 69 fprintf(stderr, "error: specified USB device not found\n");
35 exit(1); 70 exit(1);
36 } 71 }
37 usbh = usb_open(dev); 72 usbh = usb_open(dev);
38 if (!usbh) { 73 if (!usbh) {
39 fprintf(stderr, "error: usb_open() failed\n"); 74 fprintf(stderr, "error: usb_open() failed\n");
40 exit(1); 75 exit(1);
41 } 76 }
77 if (detach_num)
78 usbwrap_claim_all_ifs(usbh, detach_num);
42 ftmini_erase_eeprom(usbh); 79 ftmini_erase_eeprom(usbh);
43 usb_close(usbh); 80 usb_close(usbh);
44 exit(0); 81 exit(0);
45 } 82 }