/*-
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* BSD 2-Clause License
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*
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* Copyright (c) 2012-2018, Jan Breuer
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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 met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file scpi-def.c
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* @date Thu Nov 15 10:58:45 UTC 2012
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*
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* @brief SCPI parser test
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*
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "scpi/scpi.h"
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#include "scpi-def.h"
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static scpi_result_t DMM_MeasureVoltageDcQ(scpi_t * context) {
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scpi_number_t param1, param2;
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char bf[15];
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fprintf(stderr, "meas:volt:dc\r\n"); /* debug command name */
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/* read first parameter if present */
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if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m1, FALSE)) {
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/* do something, if parameter not present */
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}
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/* read second paraeter if present */
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if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m2, FALSE)) {
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/* do something, if parameter not present */
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}
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SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m1, bf, 15);
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fprintf(stderr, "\tP1=%s\r\n", bf);
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SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m2, bf, 15);
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fprintf(stderr, "\tP2=%s\r\n", bf);
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SCPI_ResultDouble(context, 0);
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return SCPI_RES_OK;
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}
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static scpi_result_t DMM_MeasureVoltageAcQ(scpi_t * context) {
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scpi_number_t param1, param2;
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char bf[15];
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fprintf(stderr, "meas:volt:ac\r\n"); /* debug command name */
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/* read first parameter if present */
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if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m1, FALSE)) {
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/* do something, if parameter not present */
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}
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/* read second paraeter if present */
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if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m2, FALSE)) {
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/* do something, if parameter not present */
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}
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SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m1, bf, 15);
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fprintf(stderr, "\tP1=%s\r\n", bf);
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SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m2, bf, 15);
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fprintf(stderr, "\tP2=%s\r\n", bf);
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SCPI_ResultDouble(context, 0);
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return SCPI_RES_OK;
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}
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static scpi_result_t DMM_ConfigureVoltageDc(scpi_t * context) {
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double param1, param2;
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fprintf(stderr, "conf:volt:dc\r\n"); /* debug command name */
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/* read first parameter if present */
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if (!SCPI_ParamDouble(context, ¶m1, TRUE)) {
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return SCPI_RES_ERR;
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}
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/* read second paraeter if present */
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if (!SCPI_ParamDouble(context, ¶m2, FALSE)) {
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/* do something, if parameter not present */
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}
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fprintf(stderr, "\tP1=%lf\r\n", param1);
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fprintf(stderr, "\tP2=%lf\r\n", param2);
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return SCPI_RES_OK;
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}
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static scpi_result_t TEST_Bool(scpi_t * context) {
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scpi_bool_t param1;
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fprintf(stderr, "TEST:BOOL\r\n"); /* debug command name */
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/* read first parameter if present */
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if (!SCPI_ParamBool(context, ¶m1, TRUE)) {
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return SCPI_RES_ERR;
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}
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fprintf(stderr, "\tP1=%d\r\n", param1);
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return SCPI_RES_OK;
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}
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scpi_choice_def_t trigger_source[] = {
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{"BUS", 5},
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{"IMMediate", 6},
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{"EXTernal", 7},
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SCPI_CHOICE_LIST_END /* termination of option list */
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};
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static scpi_result_t TEST_ChoiceQ(scpi_t * context) {
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int32_t param;
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const char * name;
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if (!SCPI_ParamChoice(context, trigger_source, ¶m, TRUE)) {
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return SCPI_RES_ERR;
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}
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SCPI_ChoiceToName(trigger_source, param, &name);
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fprintf(stderr, "\tP1=%s (%ld)\r\n", name, (long int) param);
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SCPI_ResultInt32(context, param);
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return SCPI_RES_OK;
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}
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static scpi_result_t TEST_Numbers(scpi_t * context) {
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int32_t numbers[2];
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SCPI_CommandNumbers(context, numbers, 2, 1);
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fprintf(stderr, "TEST numbers %d %d\r\n", numbers[0], numbers[1]);
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return SCPI_RES_OK;
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}
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static scpi_result_t TEST_Text(scpi_t * context) {
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char buffer[100];
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size_t copy_len;
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if (!SCPI_ParamCopyText(context, buffer, sizeof (buffer), ©_len, FALSE)) {
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buffer[0] = '\0';
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}
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fprintf(stderr, "TEXT: ***%s***\r\n", buffer);
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return SCPI_RES_OK;
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}
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static scpi_result_t TEST_ArbQ(scpi_t * context) {
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const char * data;
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size_t len;
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if (SCPI_ParamArbitraryBlock(context, &data, &len, FALSE)) {
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SCPI_ResultArbitraryBlock(context, data, len);
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}
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return SCPI_RES_OK;
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}
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struct _scpi_channel_value_t {
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int32_t row;
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int32_t col;
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};
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typedef struct _scpi_channel_value_t scpi_channel_value_t;
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/**
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* @brief
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* parses lists
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* channel numbers > 0.
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* no checks yet.
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* valid: (@1), (@3!1:1!3), ...
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* (@1!1:3!2) would be 1!1, 1!2, 2!1, 2!2, 3!1, 3!2.
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* (@3!1:1!3) would be 3!1, 3!2, 3!3, 2!1, 2!2, 2!3, ... 1!3.
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*
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* @param channel_list channel list, compare to SCPI99 Vol 1 Ch. 8.3.2
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*/
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static scpi_result_t TEST_Chanlst(scpi_t *context) {
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scpi_parameter_t channel_list_param;
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#define MAXROW 2 /* maximum number of rows */
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#define MAXCOL 6 /* maximum number of columns */
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#define MAXDIM 2 /* maximum number of dimensions */
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scpi_channel_value_t array[MAXROW * MAXCOL]; /* array which holds values in order (2D) */
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size_t chanlst_idx; /* index for channel list */
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size_t arr_idx = 0; /* index for array */
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size_t n, m = 1; /* counters for row (n) and columns (m) */
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/* get channel list */
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if (SCPI_Parameter(context, &channel_list_param, TRUE)) {
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scpi_expr_result_t res;
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scpi_bool_t is_range;
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int32_t values_from[MAXDIM];
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int32_t values_to[MAXDIM];
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size_t dimensions;
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bool for_stop_row = FALSE; /* true if iteration for rows has to stop */
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bool for_stop_col = FALSE; /* true if iteration for columns has to stop */
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int32_t dir_row = 1; /* direction of counter for rows, +/-1 */
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int32_t dir_col = 1; /* direction of counter for columns, +/-1 */
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/* the next statement is valid usage and it gets only real number of dimensions for the first item (index 0) */
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if (!SCPI_ExprChannelListEntry(context, &channel_list_param, 0, &is_range, NULL, NULL, 0, &dimensions)) {
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chanlst_idx = 0; /* call first index */
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arr_idx = 0; /* set arr_idx to 0 */
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do { /* if valid, iterate over channel_list_param index while res == valid (do-while cause we have to do it once) */
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res = SCPI_ExprChannelListEntry(context, &channel_list_param, chanlst_idx, &is_range, values_from, values_to, 4, &dimensions);
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if (is_range == FALSE) { /* still can have multiple dimensions */
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if (dimensions == 1) {
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/* here we have our values
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* row == values_from[0]
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* col == 0 (fixed number)
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* call a function or something */
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array[arr_idx].row = values_from[0];
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array[arr_idx].col = 0;
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} else if (dimensions == 2) {
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/* here we have our values
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* row == values_fom[0]
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* col == values_from[1]
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* call a function or something */
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array[arr_idx].row = values_from[0];
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array[arr_idx].col = values_from[1];
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} else {
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return SCPI_RES_ERR;
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}
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arr_idx++; /* inkrement array where we want to save our values to, not neccessary otherwise */
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if (arr_idx >= MAXROW * MAXCOL) {
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return SCPI_RES_ERR;
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}
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} else if (is_range == TRUE) {
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if (values_from[0] > values_to[0]) {
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dir_row = -1; /* we have to decrement from values_from */
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} else { /* if (values_from[0] < values_to[0]) */
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dir_row = +1; /* default, we increment from values_from */
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}
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/* iterating over rows, do it once -> set for_stop_row = false
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* needed if there is channel list index isn't at end yet */
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for_stop_row = FALSE;
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for (n = values_from[0]; for_stop_row == FALSE; n += dir_row) {
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/* usual case for ranges, 2 dimensions */
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if (dimensions == 2) {
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if (values_from[1] > values_to[1]) {
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dir_col = -1;
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} else if (values_from[1] < values_to[1]) {
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dir_col = +1;
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}
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/* iterating over columns, do it at least once -> set for_stop_col = false
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* needed if there is channel list index isn't at end yet */
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for_stop_col = FALSE;
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for (m = values_from[1]; for_stop_col == FALSE; m += dir_col) {
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/* here we have our values
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* row == n
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* col == m
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* call a function or something */
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array[arr_idx].row = n;
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array[arr_idx].col = m;
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arr_idx++;
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if (arr_idx >= MAXROW * MAXCOL) {
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return SCPI_RES_ERR;
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}
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if (m == (size_t)values_to[1]) {
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/* endpoint reached, stop column for-loop */
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for_stop_col = TRUE;
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}
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}
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/* special case for range, example: (@2!1) */
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} else if (dimensions == 1) {
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/* here we have values
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* row == n
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* col == 0 (fixed number)
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* call function or sth. */
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array[arr_idx].row = n;
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array[arr_idx].col = 0;
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arr_idx++;
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if (arr_idx >= MAXROW * MAXCOL) {
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return SCPI_RES_ERR;
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}
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}
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if (n == (size_t)values_to[0]) {
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/* endpoint reached, stop row for-loop */
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for_stop_row = TRUE;
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}
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}
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} else {
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return SCPI_RES_ERR;
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}
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/* increase index */
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chanlst_idx++;
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} while (SCPI_EXPR_OK == SCPI_ExprChannelListEntry(context, &channel_list_param, chanlst_idx, &is_range, values_from, values_to, 4, &dimensions));
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/* while checks, whether incremented index is valid */
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}
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/* do something at the end if needed */
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/* array[arr_idx].row = 0; */
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/* array[arr_idx].col = 0; */
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}
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{
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size_t i;
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fprintf(stderr, "TEST_Chanlst: ");
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for (i = 0; i< arr_idx; i++) {
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fprintf(stderr, "%d!%d, ", array[i].row, array[i].col);
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}
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fprintf(stderr, "\r\n");
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}
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return SCPI_RES_OK;
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}
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/**
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* Reimplement IEEE488.2 *TST?
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*
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* Result should be 0 if everything is ok
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* Result should be 1 if something goes wrong
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*
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* Return SCPI_RES_OK
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*/
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static scpi_result_t My_CoreTstQ(scpi_t * context) {
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SCPI_ResultInt32(context, 0);
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return SCPI_RES_OK;
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}
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const scpi_command_t scpi_commands[] = {
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/* IEEE Mandated Commands (SCPI std V1999.0 4.1.1) */
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{"*CLS", SCPI_CoreCls, 0},
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{"*ESE", SCPI_CoreEse, 0},
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{"*ESE?", SCPI_CoreEseQ, 0},
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{"*ESR?", SCPI_CoreEsrQ, 0},
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{"*IDN?", SCPI_CoreIdnQ, 0},
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{"*OPC", SCPI_CoreOpc, 0},
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{"*OPC?", SCPI_CoreOpcQ, 0},
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{"*RST", SCPI_CoreRst, 0},
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{"*SRE", SCPI_CoreSre, 0},
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{"*SRE?", SCPI_CoreSreQ, 0},
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{"*STB?", SCPI_CoreStbQ, 0},
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{"*TST?", My_CoreTstQ, 0},
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{"*WAI", SCPI_CoreWai, 0},
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/* Required SCPI commands (SCPI std V1999.0 4.2.1) */
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{"SYSTem:ERRor[:NEXT]?", SCPI_SystemErrorNextQ, 0},
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{"SYSTem:ERRor:COUNt?", SCPI_SystemErrorCountQ, 0},
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{"SYSTem:VERSion?", SCPI_SystemVersionQ, 0},
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//{"STATus:OPERation?", scpi_stub_callback, 0},
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//{"STATus:OPERation:EVENt?", scpi_stub_callback, 0},
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//{"STATus:OPERation:CONDition?", scpi_stub_callback, 0},
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//{"STATus:OPERation:ENABle", scpi_stub_callback, 0},
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//{"STATus:OPERation:ENABle?", scpi_stub_callback, 0},
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{"STATus:QUEStionable[:EVENt]?", SCPI_StatusQuestionableEventQ, 0},
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//{"STATus:QUEStionable:CONDition?", scpi_stub_callback, 0},
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{"STATus:QUEStionable:ENABle", SCPI_StatusQuestionableEnable, 0},
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{"STATus:QUEStionable:ENABle?", SCPI_StatusQuestionableEnableQ, 0},
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{"STATus:PRESet", SCPI_StatusPreset, 0},
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/* DMM */
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{"MEASure:VOLTage:DC?", DMM_MeasureVoltageDcQ, 0},
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{"CONFigure:VOLTage:DC", DMM_ConfigureVoltageDc, 0},
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{"MEASure:VOLTage:DC:RATio?", SCPI_StubQ, 0},
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{"MEASure:VOLTage:AC?", DMM_MeasureVoltageAcQ, 0},
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{"MEASure:CURRent:DC?", SCPI_StubQ, 0},
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{"MEASure:CURRent:AC?", SCPI_StubQ, 0},
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{"MEASure:RESistance?", SCPI_StubQ, 0},
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{"MEASure:FRESistance?", SCPI_StubQ, 0},
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{"MEASure:FREQuency?", SCPI_StubQ, 0},
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{"MEASure:PERiod?", SCPI_StubQ, 0},
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{"SYSTem:COMMunication:TCPIP:CONTROL?", SCPI_SystemCommTcpipControlQ, 0},
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{"TEST:BOOL", TEST_Bool, 0},
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{"TEST:CHOice?", TEST_ChoiceQ, 0},
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{"TEST#:NUMbers#", TEST_Numbers, 0},
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{"TEST:TEXT", TEST_Text, 0},
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{"TEST:ARBitrary?", TEST_ArbQ, 0},
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{"TEST:CHANnellist", TEST_Chanlst, 0},
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SCPI_CMD_LIST_END
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};
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scpi_interface_t scpi_interface = {
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/*.error = */ SCPI_Error,
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/*.write = */ SCPI_Write,
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/*.control = */ SCPI_Control,
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/*.flush = */ SCPI_Flush,
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/*.reset = */ SCPI_Reset,
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};
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char scpi_input_buffer[SCPI_INPUT_BUFFER_LENGTH];
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scpi_error_t scpi_error_queue_data[SCPI_ERROR_QUEUE_SIZE];
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scpi_t scpi_context;
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