FreeCalypso > hg > freecalypso-tools

annotate loadtools/bpdispatch.c @ 186:9968717eedd7

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doc/VCXO_calibration written
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 Apr 2017 07:45:57 +0000
parents 684eddecbc62
children 0af2529d9376
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1 /*
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2 * This module implements the command dispatch for fc-buzplay
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3 */
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4
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5 #include <ctype.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10
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11 extern int cmd_baud();
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12 extern int cmd_exit();
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13 extern int cmd_play();
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14 extern int loadtool_cmd_passthru();
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15
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16 static struct cmdtab {
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17 char *cmd;
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18 int minargs;
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19 int maxargs;
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20 int (*func)();
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21 } cmdtab[] = {
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22 {"abbr", 2, 2, loadtool_cmd_passthru},
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23 {"abbw", 3, 3, loadtool_cmd_passthru},
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24 {"baud", 0, 1, cmd_baud},
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25 {"buzlev", 0, 1, loadtool_cmd_passthru},
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26 {"exit", 0, 1, cmd_exit},
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27 {"play", 1, 1, cmd_play},
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28 {"quit", 0, 1, cmd_exit},
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29 {"r8", 1, 1, loadtool_cmd_passthru},
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30 {"r16", 1, 1, loadtool_cmd_passthru},
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31 {"r32", 1, 1, loadtool_cmd_passthru},
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32 {"w8", 2, 2, loadtool_cmd_passthru},
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33 {"w16", 2, 2, loadtool_cmd_passthru},
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34 {"w32", 2, 2, loadtool_cmd_passthru},
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35 {0, 0, 0, 0}
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36 };
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37
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38 buzplay_dispatch_cmd(cmd)
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39 char *cmd;
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40 {
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41 char *argv[10];
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42 char *cp, **ap;
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43 struct cmdtab *tp;
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44
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45 for (cp = cmd; isspace(*cp); cp++)
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46 ;
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47 if (!*cp || *cp == '#')
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48 return(0);
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49 argv[0] = cp;
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50 while (*cp && !isspace(*cp))
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51 cp++;
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52 if (*cp)
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53 *cp++ = '\0';
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54 for (tp = cmdtab; tp->cmd; tp++)
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55 if (!strcmp(tp->cmd, argv[0]))
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56 break;
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57 if (!tp->func) {
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58 fprintf(stderr, "error: no such command\n");
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59 return(-1);
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60 }
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61 for (ap = argv + 1; ; ) {
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62 while (isspace(*cp))
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63 cp++;
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64 if (!*cp || *cp == '#')
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65 break;
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66 if (ap - argv - 1 >= tp->maxargs) {
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67 fprintf(stderr, "error: too many arguments\n");
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68 return(-1);
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69 }
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70 *ap++ = cp;
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71 while (*cp && !isspace(*cp))
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72 cp++;
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73 if (*cp)
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74 *cp++ = '\0';
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75 }
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76 if (ap - argv - 1 < tp->minargs) {
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77 fprintf(stderr, "error: too few arguments\n");
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78 return(-1);
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79 }
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80 *ap = 0;
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81 return tp->func(ap - argv, argv);
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82 }