FreeCalypso > hg > fc-usbser-tools
view fteeprom/fteeprom-prog.c @ 66:85256d5aa559
ftee-fix-cksum program written, compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 12 Sep 2023 23:19:05 +0000 |
parents | ca2250b4833d |
children | 5cbde3c80c24 |
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/* * This program connects to an FTDI chip via libusb and programs its EEPROM * with a raw hex image read from stdin or from a backup file. * * The present version has been converted to use our local libraries * (libftmini and libuwrap) instead of libftdi - thus the external dependency * is only libusb. */ #include <sys/types.h> #include <ctype.h> #include <string.h> #include <strings.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <usb.h> #include "../libuwrap/find_dev.h" #include "../libuwrap/open_close.h" #include "../libftmini/eeprom_func.h" extern unsigned eeprom_size; extern u_short eeprom[256]; char *device_selector, *input_filename; int detach_num, ft232r_mode; process_cmdline(argc, argv) char **argv; { int c; extern int optind; extern char *optarg; while ((c = getopt(argc, argv, "d:r")) != EOF) { switch (c) { case 'd': detach_num = atoi(optarg); switch (detach_num) { case 0: case 1: case 2: case 4: break; default: fprintf(stderr, "error: invalid -d argument\n"); exit(1); } continue; case 'r': ft232r_mode = 1; detach_num = 1; continue; default: /* error msg already printed */ exit(1); } } if (argc < optind + 1 || argc > optind + 2) { fprintf(stderr, "usage: %s [options] device-selector [eeprom-image]\n", argv[0]); exit(1); } device_selector = argv[optind]; input_filename = argv[optind + 1]; } main(argc, argv) char **argv; { struct usb_device *dev; usb_dev_handle *usbh; unsigned n; process_cmdline(argc, argv); if (input_filename) read_eeprom_from_file(input_filename); else read_eeprom_from_stdin(); dev = find_usbdev_by_desc_string(device_selector); if (!dev) { fprintf(stderr, "error: specified USB device not found\n"); exit(1); } usbh = usb_open(dev); if (!usbh) { fprintf(stderr, "error: usb_open() failed\n"); exit(1); } if (detach_num) usbwrap_claim_all_ifs(usbh, detach_num); if (ft232r_mode) ft232r_eeprom_magic(usbh); for (n = 0; n < eeprom_size; n++) ftmini_write_eeprom_loc(usbh, n, eeprom[n]); usb_close(usbh); exit(0); }