FreeCalypso > hg > freecalypso-hwlab

annotate lcdtest/main.c @ 12:5eaf832d57d0

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lcdtest program started, skeleton compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 06 Apr 2018 06:15:11 +0000
parents
children 4194b6744890
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12
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <unistd.h>
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5 #include <ftdi.h>
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6
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7 char *device_selector = "i:0x0403:0x6010";
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8 struct ftdi_context ftdi;
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9
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10 process_cmdline(argc, argv)
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11 char **argv;
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12 {
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13 int c;
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14 extern char *optarg;
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15
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16 while ((c = getopt(argc, argv, "d:")) != EOF) {
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17 switch (c) {
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18 case 'd':
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19 device_selector = optarg;
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20 continue;
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21 default:
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22 /* error msg already printed */
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23 exit(1);
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24 }
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25 }
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26 }
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27
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28 main(argc, argv)
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29 char **argv;
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30 {
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31 char command[512];
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32
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33 process_cmdline(argc, argv);
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34 ftdi_init(&ftdi);
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35 if (ftdi_usb_open_string(&ftdi, device_selector) < 0) {
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36 fprintf(stderr, "FTDI USB open failed: %s\n", ftdi.error_str);
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37 exit(1);
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38 }
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39 if (ftdi_set_bitmode(&ftdi, 0, BITMODE_MCU) < 0) {
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40 fprintf(stderr, "unable to enter MCU mode: %s\n",
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41 ftdi.error_str);
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42 exit(1);
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43 }
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44 for (;;) {
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45 if (isatty(0)) {
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46 fputs("lcdtest> ", stdout);
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47 fflush(stdout);
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48 }
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49 if (!fgets(command, sizeof command, stdin))
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50 exit(0);
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Mychaela Falconia <falcon@freecalypso.org>
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51 dispatch_cmd(command);
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52 }
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53 }