FreeCalypso > hg > freecalypso-tools

annotate rvinterf/tmsh/usercmd.c @ 83:b064c2ce43d2

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ringtools/examples: a couple of buzzer tone examples
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Oct 2016 04:58:10 +0000
parents 27c41e4b21ae
children 2825d79bb151
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1 /*
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2 * This module implements fc-tmsh user command dispatch.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <ctype.h>
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
71
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11 #include "exitcodes.h"
0
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12
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13 extern char usercmd[];
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14
69
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15 extern int cmd_abbr();
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16 extern int cmd_abbw();
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17 extern int cmd_audio();
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18 extern int cmd_check_ffs1();
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19 extern int cmd_dieid();
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20 extern int cmd_ffs2();
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21 extern int cmd_omr();
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22 extern int cmd_ping();
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23 extern int cmd_r8();
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24 extern int cmd_r16();
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25 extern int cmd_r32();
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26 extern int cmd_tgtreset();
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27 extern int cmd_tmpkt();
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28 extern int cmd_version();
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29 extern int cmd_w8();
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30 extern int cmd_w16();
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31 extern int cmd_w32();
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32
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33 cmd_exit()
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34 {
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35 tty_cleanup();
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36 exit(0);
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37 }
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38
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39 static struct cmdtab {
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40 char *cmd;
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41 int minargs;
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42 int maxargs;
69
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43 int (*func)();
0
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44 } cmdtab[] = {
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45 {"abbr", 2, 2, cmd_abbr},
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46 {"abbw", 3, 3, cmd_abbw},
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47 {"audio", 2, 2, cmd_audio},
0
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48 {"check-ffs1", 0, 0, cmd_check_ffs1},
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49 {"dieid", 0, 0, cmd_dieid},
68
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50 {"etmpkt", 1, 253, cmd_tmpkt},
0
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51 {"exit", 0, 0, cmd_exit},
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52 {"ffs2", 1, 3, cmd_ffs2},
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53 {"omr", 2, 2, cmd_omr},
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54 {"ping", 0, 2, cmd_ping},
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55 {"quit", 0, 0, cmd_exit},
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56 {"r8", 1, 2, cmd_r8},
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57 {"r16", 1, 2, cmd_r16},
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58 {"r32", 1, 2, cmd_r32},
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59 {"tgtreset", 0, 0, cmd_tgtreset},
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60 {"tmpkt", 1, 253, cmd_tmpkt},
0
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61 {"version", 1, 1, cmd_version},
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62 {"w8", 2, 246, cmd_w8},
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63 {"w16", 2, 123, cmd_w16},
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64 {"w32", 2, 62, cmd_w32},
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65 {0, 0, 0, 0}
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66 };
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67
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68 void
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69 dispatch_user_cmd()
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70 {
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71 char *argv[257];
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72 char *cp, **ap;
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73 struct cmdtab *tp;
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74
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75 for (cp = usercmd; isspace(*cp); cp++)
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76 ;
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77 if (!*cp || *cp == '#')
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78 return;
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79 argv[0] = cp;
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80 while (*cp && !isspace(*cp))
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81 cp++;
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82 if (*cp)
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83 *cp++ = '\0';
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84 for (tp = cmdtab; tp->cmd; tp++)
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85 if (!strcmp(tp->cmd, argv[0]))
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86 break;
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87 if (!tp->func) {
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88 printf("error: no such command\n");
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89 return;
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90 }
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91 for (ap = argv + 1; ; ) {
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92 while (isspace(*cp))
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93 cp++;
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94 if (!*cp || *cp == '#')
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95 break;
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96 if (ap - argv - 1 >= tp->maxargs) {
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97 printf("error: too many arguments\n");
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98 return;
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99 }
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100 if (*cp == '"') {
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101 *ap++ = ++cp;
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102 while (*cp && *cp != '"')
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103 cp++;
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104 if (*cp != '"') {
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105 printf("error: unterminated quoted string\n");
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106 return;
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107 }
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108 *cp++ = '\0';
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109 } else {
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110 *ap++ = cp;
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111 while (*cp && !isspace(*cp))
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112 cp++;
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113 if (*cp)
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114 *cp++ = '\0';
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115 }
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116 }
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117 if (ap - argv - 1 < tp->minargs) {
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118 printf("error: too few arguments\n");
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119 return;
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120 }
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121 *ap = 0;
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122 tp->func(ap - argv, argv);
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123 }
71
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124
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125 dispatch_oneshot_cmd(argc, argv)
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126 char **argv;
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127 {
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128 struct cmdtab *tp;
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129
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130 for (tp = cmdtab; tp->cmd; tp++)
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131 if (!strcmp(tp->cmd, argv[0]))
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132 break;
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133 if (!tp->func) {
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134 fprintf(stderr,
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135 "error: \"%s\" is not a valid command\n", argv[0]);
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136 exit(ERROR_USAGE);
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137 }
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138 if (argc - 1 > tp->maxargs) {
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139 fprintf(stderr, "%s: too many arguments\n", tp->cmd);
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140 exit(ERROR_USAGE);
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141 }
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142 if (argc - 1 < tp->minargs) {
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143 fprintf(stderr, "%s: too few arguments\n", tp->cmd);
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144 exit(ERROR_USAGE);
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145 }
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146 return tp->func(argc, argv);
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147 }