FreeCalypso > hg > freecalypso-tools

annotate rvinterf/asyncshell/oneshot.c @ 737:6d97866bad79

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first round of documentation for DUART28C boot control addition
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 16 Sep 2020 06:10:39 +0000
parents 10f4062e049b
children b55a81ce7497
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1 /*
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2 * This module implements the one-shot command mode of fc-shell.
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3 */
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4
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5 #include <stdio.h>
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6 #include <string.h>
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7 #include <strings.h>
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8 #include <stdlib.h>
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9 #include "limits.h"
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10 #include "exitcodes.h"
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11
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12 extern int cmd_key_oneshot();
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13 extern int cmd_keydown_oneshot();
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14 extern int cmd_keyup_oneshot();
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15 extern int cmd_poweroff();
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16 extern int cmd_send_oneshot();
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17 extern int cmd_sp_oneshot();
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18 extern int cmd_str_oneshot();
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19 extern int cmd_tchdl_oneshot();
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20 extern int cmd_tgtreset();
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21 extern int cmd_unterm_oneshot();
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22
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23 static struct cmdtab {
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24 char *cmd;
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25 int minargs;
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26 int maxargs;
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27 int (*func)();
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28 } cmdtab[] = {
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29 {"key", 1, 1, cmd_key_oneshot},
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30 {"keydown", 1, 1, cmd_keydown_oneshot},
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31 {"keyup", 1, 1, cmd_keyup_oneshot},
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32 {"poweroff", 0, 0, cmd_poweroff},
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33 {"send", 1, MAX_PKT_TO_TARGET, cmd_send_oneshot},
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34 {"sp", 2, 2, cmd_sp_oneshot},
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35 {"str", 1, 1, cmd_str_oneshot},
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36 {"tch-dl", 1, 1, cmd_tchdl_oneshot},
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37 {"tgtreset", 0, 0, cmd_tgtreset},
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38 {"unterm", 1, 1, cmd_unterm_oneshot},
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39 {0, 0, 0, 0}
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40 };
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41
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42 oneshot_command(argc, argv)
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43 char **argv;
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44 {
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45 struct cmdtab *tp;
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46
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47 if (!strncmp(argv[0], "AT", 2) || !strncmp(argv[0], "at", 2)) {
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48 if (argc != 1) {
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49 fprintf(stderr,
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50 "error: AT command must be a single argument\n");
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51 exit(ERROR_USAGE);
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52 }
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53 return oneshot_at_command(argv[0]);
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54 }
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55 for (tp = cmdtab; tp->cmd; tp++)
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56 if (!strcmp(tp->cmd, argv[0]))
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57 break;
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58 if (!tp->func) {
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59 fprintf(stderr,
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60 "error: \"%s\" is not a valid one-shot command\n",
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61 argv[0]);
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62 exit(ERROR_USAGE);
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63 }
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64 if (argc - 1 > tp->maxargs) {
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65 fprintf(stderr, "%s: too many arguments\n", tp->cmd);
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66 exit(ERROR_USAGE);
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67 }
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68 if (argc - 1 < tp->minargs) {
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69 fprintf(stderr, "%s: too few arguments\n", tp->cmd);
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70 exit(ERROR_USAGE);
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71 }
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72 return tp->func(argc, argv);
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73 }