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comparison cp2102/read_eeprom_main.c @ 98:1cacc1ae56f0

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cp2102 tools: convert to -d option for non-default device
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 28 Sep 2023 04:45:13 +0000
parents 8d35346f1d46
children
comparison
equal deleted inserted replaced
97:8d35346f1d46 98:1cacc1ae56f0
16 #include "cp210x_defs.h" 16 #include "cp210x_defs.h"
17 17
18 extern struct usb_device *find_cp2102_device(); 18 extern struct usb_device *find_cp2102_device();
19 19
20 u_char eeprom[SIZE_EEPROM]; 20 u_char eeprom[SIZE_EEPROM];
21 char *device_selector, *outfilename;
22
23 process_cmdline(argc, argv)
24 char **argv;
25 {
26 int c;
27 extern int optind;
28 extern char *optarg;
29
30 while ((c = getopt(argc, argv, "d:")) != EOF) {
31 switch (c) {
32 case 'd':
33 device_selector = optarg;
34 continue;
35 default:
36 usage:
37 fprintf(stderr,
38 "usage: %s [-d device-selector] output-hex-file\n",
39 argv[0]);
40 exit(1);
41 }
42 }
43 if (argc != optind + 1)
44 goto usage;
45 outfilename = argv[optind];
46 }
21 47
22 main(argc, argv) 48 main(argc, argv)
23 char **argv; 49 char **argv;
24 { 50 {
25 struct usb_device *dev; 51 struct usb_device *dev;
26 usb_dev_handle *usbh; 52 usb_dev_handle *usbh;
27 FILE *outf; 53 FILE *outf;
28 54
29 if (argc != 3) { 55 process_cmdline(argc, argv);
30 fprintf(stderr, "usage: %s device-selector output-hex-file\n", 56 dev = find_cp2102_device(device_selector);
31 argv[0]);
32 exit(1);
33 }
34 dev = find_cp2102_device(argv[1]);
35 usbh = usb_open(dev); 57 usbh = usb_open(dev);
36 if (!usbh) { 58 if (!usbh) {
37 fprintf(stderr, "error: usb_open() failed\n"); 59 fprintf(stderr, "error: usb_open() failed\n");
38 exit(1); 60 exit(1);
39 } 61 }
40 read_eeprom(usbh); 62 read_eeprom(usbh);
41 usb_close(usbh); 63 usb_close(usbh);
42 outf = fopen(argv[2], "w"); 64 outf = fopen(outfilename, "w");
43 if (!outf) { 65 if (!outf) {
44 perror(argv[2]); 66 perror(outfilename);
45 exit(1); 67 exit(1);
46 } 68 }
47 intel_hex_out(eeprom, outf); 69 intel_hex_out(eeprom, outf);
48 fclose(outf); 70 fclose(outf);
49 exit(0); 71 exit(0);