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annotate cmd.h @ 16:a07665727c19

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Add status command Add status command to redisplay an error message of the previous command and unsaved changes. Add pwm_err function to display and save error messages.
author Guido Berhoerster <guido+pwm@berhoerster.name>
date Tue, 08 Aug 2017 10:47:04 +0200
parents a7e41e1a79c8
children 5c6155c8e9b6
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1 /*
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2 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
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3 *
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4 * Permission is hereby granted, free of charge, to any person obtaining
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5 * a copy of this software and associated documentation files (the
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6 * "Software"), to deal in the Software without restriction, including
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7 * without limitation the rights to use, copy, modify, merge, publish,
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8 * distribute, sublicense, and/or sell copies of the Software, and to
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9 * permit persons to whom the Software is furnished to do so, subject to
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10 * the following conditions:
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11 *
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12 * The above copyright notice and this permission notice shall be included
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13 * in all copies or substantial portions of the Software.
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14 *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 */
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23
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24 #ifndef CMD_H
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25 #define CMD_H
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26
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27 #include "pwm.h"
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28
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29 enum cmd_return {
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30 CMD_OK,
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31 CMD_STATUS,
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32 CMD_ERR,
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33 CMD_USAGE,
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34 CMD_QUIT
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35 };
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36
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37 struct cmd {
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38 const char *abbrev_cmd;
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39 const char *full_cmd;
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40 const char *usage;
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41 const char *description;
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42 enum cmd_return (*cmd_func)(struct pwm_ctx *, int argc, char *argv[]);
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43 };
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44
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45 struct cmd * cmd_match(const char *);
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46
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47 #endif /* CMD_H */