/*-
|
* Copyright (c) 2013 Jan Breuer
|
* Richard.hmm
|
* Copyright (c) 2012 Jan Breuer
|
*
|
* All Rights Reserved
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions are
|
* met:
|
* 1. Redistributions of source code must retain the above copyright notice,
|
* this list of conditions and the following disclaimer.
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* notice, this list of conditions and the following disclaimer in the
|
* documentation and/or other materials provided with the distribution.
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
*/
|
|
/**
|
* @file scpi_types.h
|
* @date Thu Nov 15 10:58:45 UTC 2012
|
*
|
* @brief SCPI data types
|
*
|
*
|
*/
|
|
#ifndef SCPI_TYPES_H
|
#define SCPI_TYPES_H
|
|
#include <stddef.h>
|
#include <stdint.h>
|
#include <stdbool.h>
|
|
#ifdef __cplusplus
|
extern "C" {
|
#endif
|
|
#ifndef FALSE
|
#define FALSE 0
|
#endif
|
#ifndef TRUE
|
#define TRUE (!FALSE)
|
#endif
|
|
/* basic data types */
|
typedef bool scpi_bool_t;
|
/* typedef enum { FALSE = 0, TRUE } scpi_bool_t; */
|
|
/* IEEE 488.2 registers */
|
enum _scpi_reg_name_t {
|
SCPI_REG_STB = 0, /* Status Byte */
|
SCPI_REG_SRE, /* Service Request Enable Register */
|
SCPI_REG_ESR, /* Standard Event Status Register (ESR, SESR) */
|
SCPI_REG_ESE, /* Event Status Enable Register */
|
SCPI_REG_OPER, /* OPERation Status Register */
|
SCPI_REG_OPERE, /* OPERation Status Enable Register */
|
SCPI_REG_QUES, /* QUEStionable status register */
|
SCPI_REG_QUESE, /* QUEStionable status Enable Register */
|
|
/* last definition - number of registers */
|
SCPI_REG_COUNT
|
};
|
typedef enum _scpi_reg_name_t scpi_reg_name_t;
|
|
enum _scpi_ctrl_name_t {
|
SCPI_CTRL_SRQ = 1, /* service request */
|
SCPI_CTRL_GTL, /* Go to local */
|
SCPI_CTRL_SDC, /* Selected device clear */
|
SCPI_CTRL_PPC, /* Parallel poll configure */
|
SCPI_CTRL_GET, /* Group execute trigger */
|
SCPI_CTRL_TCT, /* Take control */
|
SCPI_CTRL_LLO, /* Device clear */
|
SCPI_CTRL_DCL, /* Local lockout */
|
SCPI_CTRL_PPU, /* Parallel poll unconfigure */
|
SCPI_CTRL_SPE, /* Serial poll enable */
|
SCPI_CTRL_SPD, /* Serial poll disable */
|
SCPI_CTRL_MLA, /* My local address */
|
SCPI_CTRL_UNL, /* Unlisten */
|
SCPI_CTRL_MTA, /* My talk address */
|
SCPI_CTRL_UNT, /* Untalk */
|
SCPI_CTRL_MSA /* My secondary address */
|
};
|
typedef enum _scpi_ctrl_name_t scpi_ctrl_name_t;
|
|
typedef uint16_t scpi_reg_val_t;
|
|
/* scpi commands */
|
enum _scpi_result_t {
|
SCPI_RES_OK = 1,
|
SCPI_RES_ERR = -1
|
};
|
typedef enum _scpi_result_t scpi_result_t;
|
|
typedef struct _scpi_command_t scpi_command_t;
|
|
#define SCPI_CMD_LIST_END {NULL, NULL, }
|
|
/* scpi interface */
|
typedef struct _scpi_t scpi_t;
|
typedef struct _scpi_interface_t scpi_interface_t;
|
|
struct _scpi_buffer_t {
|
size_t length;
|
size_t position;
|
char * data;
|
};
|
typedef struct _scpi_buffer_t scpi_buffer_t;
|
|
typedef size_t(*scpi_write_t)(scpi_t * context, const char * data, size_t len);
|
typedef scpi_result_t(*scpi_write_control_t)(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val);
|
typedef int (*scpi_error_callback_t)(scpi_t * context, int_fast16_t error);
|
|
/* scpi lexer */
|
enum _scpi_token_type_t {
|
TokComma,
|
TokSemicolon,
|
TokQuiestion,
|
TokNewLine,
|
TokHexnum,
|
TokOctnum,
|
TokBinnum,
|
TokProgramMnemonic,
|
TokDecimalNumericProgramData,
|
TokDecimalNumericProgramDataWithSuffix,
|
TokSuffixProgramData,
|
TokArbitraryBlockProgramData,
|
TokSingleQuoteProgramData,
|
TokDoubleQuoteProgramData,
|
TokProgramExpression,
|
TokCompoundProgramHeader,
|
TokIncompleteCompoundProgramHeader,
|
TokCommonProgramHeader,
|
TokIncompleteCommonProgramHeader,
|
TokCompoundQueryProgramHeader,
|
TokCommonQueryProgramHeader,
|
TokWhiteSpace,
|
TokAllProgramData,
|
TokInvalid,
|
TokUnknown,
|
};
|
typedef enum _scpi_token_type_t scpi_token_type_t;
|
|
struct _scpi_token_t {
|
scpi_token_type_t type;
|
const char * ptr;
|
int len;
|
};
|
typedef struct _scpi_token_t scpi_token_t;
|
|
struct _lex_state_t {
|
const char * buffer;
|
const char * pos;
|
int len;
|
};
|
typedef struct _lex_state_t lex_state_t;
|
|
/* scpi parser */
|
enum _message_termination_t {
|
PmutNone,
|
PmutNewLine,
|
PmutSemicolon,
|
};
|
typedef enum _message_termination_t message_termination_t;
|
|
struct _scpi_parser_state_t {
|
scpi_token_t programHeader;
|
scpi_token_t programData;
|
int numberOfParameters;
|
message_termination_t termination;
|
};
|
typedef struct _scpi_parser_state_t scpi_parser_state_t;
|
|
typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *);
|
|
/* scpi error queue */
|
typedef void * scpi_error_queue_t;
|
|
/* scpi units */
|
enum _scpi_unit_t {
|
SCPI_UNIT_NONE,
|
SCPI_UNIT_VOLT,
|
SCPI_UNIT_AMPER,
|
SCPI_UNIT_OHM,
|
SCPI_UNIT_HERTZ,
|
SCPI_UNIT_CELSIUS,
|
SCPI_UNIT_SECONDS,
|
SCPI_UNIT_DISTANCE
|
};
|
typedef enum _scpi_unit_t scpi_unit_t;
|
|
struct _scpi_unit_def_t {
|
const char * name;
|
scpi_unit_t unit;
|
double mult;
|
};
|
#define SCPI_UNITS_LIST_END {NULL, SCPI_UNIT_NONE, 0}
|
typedef struct _scpi_unit_def_t scpi_unit_def_t;
|
|
enum _scpi_special_number_t {
|
SCPI_NUM_NUMBER,
|
SCPI_NUM_MIN,
|
SCPI_NUM_MAX,
|
SCPI_NUM_DEF,
|
SCPI_NUM_UP,
|
SCPI_NUM_DOWN,
|
SCPI_NUM_NAN,
|
SCPI_NUM_INF,
|
SCPI_NUM_NINF
|
};
|
typedef enum _scpi_special_number_t scpi_special_number_t;
|
|
struct _scpi_special_number_def_t {
|
const char * name;
|
scpi_special_number_t type;
|
};
|
#define SCPI_SPECIAL_NUMBERS_LIST_END {NULL, SCPI_NUM_NUMBER}
|
typedef struct _scpi_special_number_def_t scpi_special_number_def_t;
|
|
struct _scpi_param_list_t {
|
const scpi_command_t * cmd;
|
lex_state_t lex_state;
|
scpi_buffer_t cmd_raw;
|
};
|
typedef struct _scpi_param_list_t scpi_param_list_t;
|
|
struct _scpi_number_parameter_t {
|
double value;
|
scpi_unit_t unit;
|
int8_t base;
|
scpi_special_number_t type;
|
};
|
typedef struct _scpi_number_parameter_t scpi_number_parameter_t;
|
|
struct _scpi_data_parameter_t {
|
const char * ptr;
|
int32_t len;
|
};
|
typedef struct _scpi_data_parameter_t scpi_data_parameter_t;
|
|
struct _scpi_parameter_t {
|
scpi_token_type_t type;
|
scpi_data_parameter_t data;
|
scpi_number_parameter_t number;
|
};
|
typedef struct _scpi_parameter_t scpi_parameter_t;
|
|
struct _scpi_command_t {
|
const char * pattern;
|
scpi_command_callback_t callback;
|
};
|
|
struct _scpi_interface_t {
|
scpi_error_callback_t error;
|
scpi_write_t write;
|
scpi_write_control_t control;
|
scpi_command_callback_t flush;
|
scpi_command_callback_t reset;
|
scpi_command_callback_t test;
|
};
|
|
struct _scpi_t {
|
const scpi_command_t * cmdlist;
|
scpi_buffer_t buffer;
|
scpi_param_list_t param_list;
|
scpi_interface_t * interface;
|
int_fast16_t output_count;
|
int_fast16_t input_count;
|
scpi_bool_t cmd_error;
|
scpi_error_queue_t error_queue;
|
scpi_reg_val_t * registers;
|
const scpi_unit_def_t * units;
|
const scpi_special_number_def_t * special_numbers;
|
void * user_context;
|
scpi_parser_state_t parser_state;
|
const char * idn[4];
|
};
|
|
#ifdef __cplusplus
|
}
|
#endif
|
|
#endif /* SCPI_TYPES_H */
|
