FreeCalypso > hg > fc-usbser-tools

annotate fteeprom/fteeprom-erase.c @ 31:530ec3792de8

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fc-duart28-conf: implement set command
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 09 Sep 2023 19:40:58 +0000
parents af801ab43a33
children 2746b160afb7
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af801ab43a33 fteeprom-erase: convert to new local libs
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1 /*
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2 * This program connects to an FTDI chip via libusb and commands that FTDI
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3 * chip to erase its EEPROM in one fell swoop. This operation is known
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4 * to work on FT2232C/D chips with 5V-powered EEPROMs, but is NOT appropriate
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5 * for FT232R. This operation is also not recommended for external EEPROMs
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6 * powered with 3.3V, as typically used with FT2232H.
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7 *
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8 * The present version has been converted to use our local libraries
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9 * (libftmini and libuwrap) instead of libftdi - thus the external dependency
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10 * is only libusb.
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11 */
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12
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13 #include <sys/types.h>
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14 #include <stdio.h>
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15 #include <stdlib.h>
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16 #include <unistd.h>
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17 #include <usb.h>
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18 #include "../libuwrap/find_dev.h"
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19 #include "../libuwrap/open_close.h"
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20 #include "../libftmini/eeprom_func.h"
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22 main(argc, argv)
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23 char **argv;
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24 {
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25 struct usb_device *dev;
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26 usb_dev_handle *usbh;
0
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28 if (argc != 2) {
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29 fprintf(stderr, "usage: %s device-selector\n");
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30 exit(1);
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31 }
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32 dev = find_usbdev_by_desc_string(argv[1]);
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33 if (!dev) {
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34 fprintf(stderr, "error: specified USB device not found\n");
0
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35 exit(1);
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36 }
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37 usbh = usbwrap_open_dev(dev, 1);
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38 ftmini_erase_eeprom(usbh);
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39 usbwrap_close_dev(usbh);
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40 exit(0);
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41 }