FreeCalypso > hg > freecalypso-hwlab
view ee2232/ee2232-read.c @ 80:1d38af6d7be8
0403:7151 USB ID support in mainline Linux
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 13 Oct 2020 04:29:10 +0000 |
parents | ef43bbfa8d16 |
children |
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#include <sys/types.h> #include <string.h> #include <strings.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <ftdi.h> char *device_selector = "i:0x0403:0x6010"; unsigned eeprom_size = 64; process_cmdline(argc, argv) char **argv; { int c; extern char *optarg; while ((c = getopt(argc, argv, "d:t:")) != EOF) { switch (c) { case 'd': device_selector = optarg; continue; case 't': if (!strcmp(optarg, "46")) eeprom_size = 64; else if (!strcmp(optarg, "56")) eeprom_size = 128; else if (!strcmp(optarg, "66")) eeprom_size = 256; else { fprintf(stderr, "error: -t option invalid value \"%s\"\n", optarg); exit(1); } continue; default: /* error msg already printed */ exit(1); } } } main(argc, argv) char **argv; { struct ftdi_context ftdi; u_short word; unsigned n, col; process_cmdline(argc, argv); ftdi_init(&ftdi); if (ftdi_usb_open_string(&ftdi, device_selector) < 0) { fprintf(stderr, "FTDI USB open failed: %s\n", ftdi.error_str); exit(1); } for (n = 0; n < eeprom_size; n++) { if (ftdi_read_eeprom_location(&ftdi, n, &word) < 0) { fprintf(stderr, "EEPROM read error: %s\n", ftdi.error_str); exit(1); } col = n & 7; if (col == 0) printf("%02X:", n * 2); printf(" %04X", word); if (col == 7) putchar('\n'); } ftdi_usb_close(&ftdi); exit(0); }