mirror of https://github.com/joan2937/pigpio
123 lines
2.7 KiB
C
123 lines
2.7 KiB
C
/*
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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <http://unlicense.org/>
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*/
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/*
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This version is for pigpio version 23+
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*/
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#ifndef COMMAND_H
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#define COMMAND_H
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#include <stdio.h>
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#include <string.h>
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#include "pigpio.h"
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#define CMD_MAX_PARAM 512
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#define CMD_MAX_EXTENSION (1<<16)
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#define CMD_UNKNOWN_CMD -1
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#define CMD_BAD_PARAMETER -2
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#define CMD_EXT_TOO_SMALL -3
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#define CMD_P_ARR 10
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#define CMD_V_ARR 10
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#define CMD_NUMERIC 1
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#define CMD_VAR 2
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#define CMD_PAR 3
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typedef struct
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{
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uint32_t cmd;
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uint32_t p1;
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uint32_t p2;
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union
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{
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uint32_t p3;
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uint32_t ext_len;
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uint32_t res;
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};
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} cmdCmd_t;
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typedef struct
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{
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int eaten;
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int8_t opt[4];
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} cmdCtlParse_t;
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typedef struct
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{
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int cmd; /* command number */
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char *name; /* command name */
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int vt; /* command verification type */
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int rv; /* command return value type */
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} cmdInfo_t;
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typedef struct
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{
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uint32_t tag;
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int step;
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} cmdTagStep_t;
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typedef struct
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{
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uint32_t p[5];
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int8_t opt[4];
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} cmdInstr_t;
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typedef struct
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{
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/*
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+-----------+---------+---------+----------------+
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| PARAMS... | VARS... | CMDS... | STRING AREA... |
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+-----------+---------+---------+----------------+
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*/
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int *par;
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int *var;
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cmdInstr_t *instr;
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int instrs;
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char *str_area;
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int str_area_len;
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int str_area_pos;
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} cmdScript_t;
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extern cmdInfo_t cmdInfo[];
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extern char *cmdUsage;
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int cmdParse(char *buf, uint32_t *p, unsigned ext_len, char *ext, cmdCtlParse_t *ctl);
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int cmdParseScript(char *script, cmdScript_t *s, int diags);
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char *cmdErrStr(int error);
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char *cmdStr(void);
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#endif
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