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annotate ee2232/ee2232-read.c @ 90:53e2c00566af

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fc-simtool: readbin command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 18:18:04 +0000
parents ef43bbfa8d16
children
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3
ef43bbfa8d16 ee2232-read program written, compiles
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1 #include <sys/types.h>
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2 #include <string.h>
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3 #include <strings.h>
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include <unistd.h>
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7 #include <ftdi.h>
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8
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9 char *device_selector = "i:0x0403:0x6010";
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10 unsigned eeprom_size = 64;
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11
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12 process_cmdline(argc, argv)
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13 char **argv;
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14 {
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15 int c;
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16 extern char *optarg;
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17
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18 while ((c = getopt(argc, argv, "d:t:")) != EOF) {
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19 switch (c) {
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20 case 'd':
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21 device_selector = optarg;
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22 continue;
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23 case 't':
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24 if (!strcmp(optarg, "46"))
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25 eeprom_size = 64;
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26 else if (!strcmp(optarg, "56"))
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27 eeprom_size = 128;
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28 else if (!strcmp(optarg, "66"))
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29 eeprom_size = 256;
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30 else {
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31 fprintf(stderr,
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32 "error: -t option invalid value \"%s\"\n",
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33 optarg);
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34 exit(1);
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35 }
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36 continue;
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37 default:
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38 /* error msg already printed */
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39 exit(1);
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40 }
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41 }
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42 }
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43
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44 main(argc, argv)
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45 char **argv;
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46 {
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47 struct ftdi_context ftdi;
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48 u_short word;
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49 unsigned n, col;
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50
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51 process_cmdline(argc, argv);
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52 ftdi_init(&ftdi);
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53 if (ftdi_usb_open_string(&ftdi, device_selector) < 0) {
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54 fprintf(stderr, "FTDI USB open failed: %s\n", ftdi.error_str);
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55 exit(1);
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56 }
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57 for (n = 0; n < eeprom_size; n++) {
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58 if (ftdi_read_eeprom_location(&ftdi, n, &word) < 0) {
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59 fprintf(stderr, "EEPROM read error: %s\n",
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60 ftdi.error_str);
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61 exit(1);
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62 }
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63 col = n & 7;
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64 if (col == 0)
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65 printf("%02X:", n * 2);
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66 printf(" %04X", word);
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67 if (col == 7)
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68 putchar('\n');
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69 }
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70 ftdi_usb_close(&ftdi);
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71 exit(0);
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72 }