/*-
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* Copyright (c) 2012-2013 Jan Breuer,
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*
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file scpi.h
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* @date Thu Nov 15 10:58:45 UTC 2012
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*
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* @brief SCPI parser implementation
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*
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*
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*/
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#ifndef SCPI_H
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#define SCPI_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FALSE false
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#define TRUE true
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typedef bool bool_t;
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//typedef enum { FALSE = 0, TRUE } bool_t;
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typedef struct _scpi_context_t scpi_context_t;
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typedef struct _scpi_param_list_t scpi_param_list_t;
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typedef struct _scpi_command_t scpi_command_t;
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typedef struct _scpi_buffer_t scpi_buffer_t;
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typedef struct _scpi_interface_t scpi_interface_t;
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typedef int (*scpi_command_callback_t)(scpi_context_t *);
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typedef size_t(*scpi_write_t)(scpi_context_t * context, const char * data, size_t len);
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typedef int (*scpi_error_callback_t)(scpi_context_t * context, int_fast16_t error);
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struct _scpi_param_list_t {
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const scpi_command_t * cmd;
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const char * parameters;
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size_t length;
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};
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struct _scpi_command_t {
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const char * pattern;
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scpi_command_callback_t callback;
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};
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struct _scpi_buffer_t {
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size_t length;
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size_t position;
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char * data;
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};
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struct _scpi_interface_t {
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scpi_error_callback_t error;
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scpi_write_t write;
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scpi_command_callback_t reset;
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scpi_command_callback_t test;
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};
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struct _scpi_context_t {
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const scpi_command_t * cmdlist;
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scpi_buffer_t buffer;
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scpi_param_list_t paramlist;
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scpi_interface_t * interface;
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int_fast16_t output_count;
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int_fast16_t input_count;
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bool_t error;
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};
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#define SCPI_CMD_LIST_END {.pattern = NULL, .callback = NULL, }
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void SCPI_Init(scpi_context_t * context, scpi_command_t * command_list, scpi_buffer_t * buffer, scpi_interface_t * interface);
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int SCPI_Input(scpi_context_t * context, const char * data, size_t len);
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int SCPI_Parse(scpi_context_t * context, const char * data, size_t len);
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size_t SCPI_ResultString(scpi_context_t * context, const char * data);
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size_t SCPI_ResultInt(scpi_context_t * context, int32_t val);
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size_t SCPI_ResultDouble(scpi_context_t * context, double val);
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size_t SCPI_ResultText(scpi_context_t * context, const char * data);
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bool_t SCPI_ParamInt(scpi_context_t * context, int32_t * value, bool_t mandatory);
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bool_t SCPI_ParamDouble(scpi_context_t * context, double * value, bool_t mandatory);
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bool_t SCPI_ParamString(scpi_context_t * context, char ** value, size_t * len, bool_t mandatory);
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bool_t SCPI_DebugCommand(scpi_context_t * context);
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//#define SCPI_DEBUG_COMMAND(a) scpi_debug_command(a)
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#define SCPI_DEBUG_COMMAND(a)
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#ifdef __cplusplus
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}
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#endif
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#endif /* SCPI_H */
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