FreeCalypso > hg > fc-usbser-tools

annotate fteeprom/fteeprom-read.c @ 105:1e820ed0904e

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Installed-binaries: list of binaries installed by this package I am establishing a new convention for all FreeCalypso tools, across different packages and source repositories: each FC tools package will have a file name Installed-binaries listing all user-invokable binaries that package installs in /opt/freecalypso/bin. These files are to serve as an aid to users and distro package maintainers who prefer to not add /opt/freecalypso/bin to their PATH. The alternative to adding this directory to PATH is to create a symlink for every installed binary in some standard location such as /usr/bin or /usr/local/bin, pointing to the actual binary in /opt/freecalypso/bin; having a list of all FC-installed binaries in a standardized format will allow this process to be automated.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 29 Sep 2023 19:42:53 +0000
parents bb1d0956b0a8
children
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1 /*
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2 * This program connects to an FTDI chip via libusb and reads out its EEPROM.
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3 * The present version has been converted to use our local libraries
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4 * (libftmini and libuwrap) instead of libftdi - thus the external dependency
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5 * is only libusb.
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6 */
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7
0
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8 #include <sys/types.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <unistd.h>
16
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14 #include <usb.h>
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15 #include "../libuwrap/find_dev.h"
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16 #include "../libuwrap/open_close.h"
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17 #include "../libftmini/eeprom_func.h"
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18
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19 char *device_selector;
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20 unsigned eeprom_size = 64;
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21
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22 process_cmdline(argc, argv)
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23 char **argv;
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24 {
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25 int c;
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26 extern int optind;
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27
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28 while ((c = getopt(argc, argv, "bB")) != EOF) {
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29 switch (c) {
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30 case 'b':
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31 eeprom_size = 128;
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32 continue;
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33 case 'B':
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34 eeprom_size = 256;
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35 continue;
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36 default:
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37 /* error msg already printed */
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38 exit(1);
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39 }
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40 }
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41 if (argc != optind + 1) {
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42 fprintf(stderr, "usage: %s [options] device-selector\n",
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43 argv[0]);
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44 exit(1);
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45 }
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46 device_selector = argv[optind];
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47 }
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48
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49 main(argc, argv)
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50 char **argv;
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51 {
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52 struct usb_device *dev;
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53 usb_dev_handle *usbh;
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54 u_short word;
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55 unsigned n, col;
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56
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57 process_cmdline(argc, argv);
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58 dev = find_usbdev_by_desc_string(device_selector);
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59 if (!dev) {
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60 fprintf(stderr, "error: specified USB device not found\n");
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61 exit(1);
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62 }
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63 usbh = usb_open(dev);
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64 if (!usbh) {
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65 fprintf(stderr, "error: usb_open() failed\n");
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66 exit(1);
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67 }
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68 for (n = 0; n < eeprom_size; n++) {
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69 word = ftmini_read_eeprom_loc(usbh, n);
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70 col = n & 7;
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71 if (col == 0)
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72 printf("%02X:", n * 2);
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73 printf(" %04X", word);
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74 if (col == 7)
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75 putchar('\n');
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76 }
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77 usb_close(usbh);
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78 exit(0);
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79 }