From 2a1fbbd629e4c1d7f636bbb7817bea1ba082981a Mon Sep 17 00:00:00 2001 From: folkert van heusden <mail@vanheusden.com> Date: 周五, 19 11月 2021 05:00:39 +0800 Subject: [PATCH] The problem of the fragmented *IDN? response can be mitigated somewhat by enabling nagle during the response to that command. --- libscpi/inc/scpi/types.h | 226 ++++++++++++++++++++++++++++++++++++++++---------------- 1 files changed, 162 insertions(+), 64 deletions(-) diff --git a/libscpi/inc/scpi/types.h b/libscpi/inc/scpi/types.h index 3a6d507..ce238dc 100644 --- a/libscpi/inc/scpi/types.h +++ b/libscpi/inc/scpi/types.h @@ -1,39 +1,38 @@ /*- - * Copyright (c) 2013 Jan Breuer - * Richard.hmm - * Copyright (c) 2012 Jan Breuer + * BSD 2-Clause License * - * All Rights Reserved - * + * Copyright (c) 2012-2018, Jan Breuer, Richard.hmm + * 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. + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER 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 @@ -41,17 +40,25 @@ #include <stddef.h> #include <stdint.h> +#include "scpi/config.h" + +#if HAVE_STDBOOL #include <stdbool.h> +#endif #ifdef __cplusplus extern "C" { #endif +#if !HAVE_STDBOOL + typedef unsigned char bool; +#endif + #ifndef FALSE - #define FALSE 0 +#define FALSE 0 #endif #ifndef TRUE - #define TRUE (!FALSE) +#define TRUE (!FALSE) #endif /* basic data types */ @@ -66,8 +73,10 @@ SCPI_REG_ESE, /* Event Status Enable Register */ SCPI_REG_OPER, /* OPERation Status Register */ SCPI_REG_OPERE, /* OPERation Status Enable Register */ + SCPI_REG_OPERC, /* OPERation Status Condition Register */ SCPI_REG_QUES, /* QUEStionable status register */ SCPI_REG_QUESE, /* QUEStionable status Enable Register */ + SCPI_REG_QUESC, /* QUEStionable status Condition Register */ /* last definition - number of registers */ SCPI_REG_COUNT @@ -105,7 +114,12 @@ typedef struct _scpi_command_t scpi_command_t; -#define SCPI_CMD_LIST_END {NULL, NULL, } +#if USE_COMMAND_TAGS + #define SCPI_CMD_LIST_END {NULL, NULL, 0} +#else + #define SCPI_CMD_LIST_END {NULL, NULL} +#endif + /* scpi interface */ typedef struct _scpi_t scpi_t; @@ -117,7 +131,7 @@ char * data; }; typedef struct _scpi_buffer_t scpi_buffer_t; - + struct _scpi_const_buffer_t { size_t length; size_t position; @@ -133,6 +147,8 @@ enum _scpi_token_type_t { SCPI_TOKEN_COMMA, SCPI_TOKEN_SEMICOLON, + SCPI_TOKEN_COLON, + SCPI_TOKEN_SPECIFIC_CHARACTER, SCPI_TOKEN_QUESTION, SCPI_TOKEN_NL, SCPI_TOKEN_HEXNUM, @@ -161,26 +177,26 @@ struct _scpi_token_t { scpi_token_type_t type; - const char * ptr; + char * ptr; int len; }; typedef struct _scpi_token_t scpi_token_t; struct _lex_state_t { - const char * buffer; - const char * pos; + char * buffer; + char * pos; int len; }; typedef struct _lex_state_t lex_state_t; - /* scpi parser */ + /* scpi parser */ enum _message_termination_t { SCPI_MESSAGE_TERMINATION_NONE, SCPI_MESSAGE_TERMINATION_NL, - SCPI_MESSAGE_TERMINATION_SEMICOLON, + SCPI_MESSAGE_TERMINATION_SEMICOLON, }; typedef enum _message_termination_t message_termination_t; - + struct _scpi_parser_state_t { scpi_token_t programHeader; scpi_token_t programData; @@ -190,10 +206,32 @@ typedef struct _scpi_parser_state_t scpi_parser_state_t; typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *); - typedef int32_t(*scpi_test_command_callback_t)(scpi_t *); - /* scpi error queue */ - typedef void * scpi_error_queue_t; + struct _scpi_error_info_heap_t { + size_t wr; + /* size_t rd; */ + size_t count; + size_t size; + char * data; + }; + typedef struct _scpi_error_info_heap_t scpi_error_info_heap_t; + + struct _scpi_error_t { + int16_t error_code; +#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION + char * device_dependent_info; +#endif + }; + typedef struct _scpi_error_t scpi_error_t; + + struct _scpi_fifo_t { + int16_t wr; + int16_t rd; + int16_t count; + int16_t size; + scpi_error_t * data; + }; + typedef struct _scpi_fifo_t scpi_fifo_t; /* scpi units */ enum _scpi_unit_t { @@ -203,8 +241,54 @@ SCPI_UNIT_OHM, SCPI_UNIT_HERTZ, SCPI_UNIT_CELSIUS, - SCPI_UNIT_SECONDS, - SCPI_UNIT_DISTANCE + SCPI_UNIT_SECOND, + SCPI_UNIT_METER, + SCPI_UNIT_GRAY, + SCPI_UNIT_BECQUEREL, + SCPI_UNIT_MOLE, + SCPI_UNIT_DEGREE, + SCPI_UNIT_GRADE, + SCPI_UNIT_RADIAN, + SCPI_UNIT_REVOLUTION, + SCPI_UNIT_STERADIAN, + SCPI_UNIT_SIEVERT, + SCPI_UNIT_FARAD, + SCPI_UNIT_COULOMB, + SCPI_UNIT_SIEMENS, + SCPI_UNIT_ELECTRONVOLT, + SCPI_UNIT_JOULE, + SCPI_UNIT_NEWTON, + SCPI_UNIT_LUX, + SCPI_UNIT_HENRY, + SCPI_UNIT_ASTRONOMIC_UNIT, + SCPI_UNIT_INCH, + SCPI_UNIT_FOOT, + SCPI_UNIT_PARSEC, + SCPI_UNIT_MILE, + SCPI_UNIT_NAUTICAL_MILE, + SCPI_UNIT_LUMEN, + SCPI_UNIT_CANDELA, + SCPI_UNIT_WEBER, + SCPI_UNIT_TESLA, + SCPI_UNIT_ATOMIC_MASS, + SCPI_UNIT_KILOGRAM, + SCPI_UNIT_WATT, + SCPI_UNIT_DBM, + SCPI_UNIT_ATMOSPHERE, + SCPI_UNIT_INCH_OF_MERCURY, + SCPI_UNIT_MM_OF_MERCURY, + SCPI_UNIT_PASCAL, + SCPI_UNIT_TORT, + SCPI_UNIT_BAR, + SCPI_UNIT_DECIBEL, + SCPI_UNIT_UNITLESS, + SCPI_UNIT_FAHRENHEIT, + SCPI_UNIT_KELVIN, + SCPI_UNIT_DAY, + SCPI_UNIT_YEAR, + SCPI_UNIT_STROKES, + SCPI_UNIT_POISE, + SCPI_UNIT_LITER }; typedef enum _scpi_unit_t scpi_unit_t; @@ -225,48 +309,51 @@ SCPI_NUM_DOWN, SCPI_NUM_NAN, SCPI_NUM_INF, - SCPI_NUM_NINF + SCPI_NUM_NINF, + SCPI_NUM_AUTO }; typedef enum _scpi_special_number_t scpi_special_number_t; - struct _scpi_special_number_def_t { + struct _scpi_choice_def_t { const char * name; - scpi_special_number_t type; + int32_t tag; }; -#define SCPI_SPECIAL_NUMBERS_LIST_END {NULL, SCPI_NUM_NUMBER} - typedef struct _scpi_special_number_def_t scpi_special_number_def_t; +#define SCPI_CHOICE_LIST_END {NULL, -1} + typedef struct _scpi_choice_def_t scpi_choice_def_t; struct _scpi_param_list_t { const scpi_command_t * cmd; lex_state_t lex_state; scpi_const_buffer_t cmd_raw; }; - typedef struct _scpi_param_list_t scpi_param_list_t; - + typedef struct _scpi_param_list_t scpi_param_list_t; + struct _scpi_number_parameter_t { - double value; + scpi_bool_t special; + + union { + double value; + int32_t tag; + } content; scpi_unit_t unit; int8_t base; - scpi_special_number_t type; }; typedef struct _scpi_number_parameter_t scpi_number_t; struct _scpi_data_parameter_t { const char * ptr; - int32_t len; + 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_t number; - }; - typedef struct _scpi_parameter_t scpi_parameter_t; - + + typedef scpi_token_t scpi_parameter_t; + struct _scpi_command_t { const char * pattern; scpi_command_callback_t callback; +#if USE_COMMAND_TAGS + int32_t tag; +#endif /* USE_COMMAND_TAGS */ }; struct _scpi_interface_t { @@ -275,7 +362,6 @@ scpi_write_control_t control; scpi_command_callback_t flush; scpi_command_callback_t reset; - scpi_test_command_callback_t test; }; struct _scpi_t { @@ -286,15 +372,27 @@ 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; + scpi_fifo_t error_queue; +#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION && !USE_MEMORY_ALLOCATION_FREE + scpi_error_info_heap_t error_info_heap; +#endif + scpi_reg_val_t registers[SCPI_REG_COUNT]; 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]; + size_t arbitrary_reminding; }; + enum _scpi_array_format_t { + SCPI_FORMAT_ASCII = 0, + SCPI_FORMAT_NORMAL = 1, + SCPI_FORMAT_SWAPPED = 2, + SCPI_FORMAT_BIGENDIAN = SCPI_FORMAT_NORMAL, + SCPI_FORMAT_LITTLEENDIAN = SCPI_FORMAT_SWAPPED, + }; + typedef enum _scpi_array_format_t scpi_array_format_t; + #ifdef __cplusplus } #endif -- Gitblit v1.9.1