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C++

/*-
* BSD 2-Clause License
*
* Copyright (c) 2012-2018, 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:
*
* * 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-def.c
* @date Thu Nov 15 10:58:45 UTC 2012
*
* @brief SCPI parser test
*
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "scpi/scpi.h"
#include "scpi-def.h"
static scpi_result_t DMM_MeasureVoltageDcQ(scpi_t * context) {
scpi_number_t param1, param2;
char bf[15];
fprintf(stderr, "meas:volt:dc\r\n"); /* debug command name */
/* read first parameter if present */
if (!SCPI_ParamNumber(context, scpi_special_numbers_def, &param1, FALSE)) {
/* do something, if parameter not present */
}
/* read second paraeter if present */
if (!SCPI_ParamNumber(context, scpi_special_numbers_def, &param2, FALSE)) {
/* do something, if parameter not present */
}
SCPI_NumberToStr(context, scpi_special_numbers_def, &param1, bf, 15);
fprintf(stderr, "\tP1=%s\r\n", bf);
SCPI_NumberToStr(context, scpi_special_numbers_def, &param2, bf, 15);
fprintf(stderr, "\tP2=%s\r\n", bf);
SCPI_ResultDouble(context, 0);
return SCPI_RES_OK;
}
static scpi_result_t DMM_MeasureVoltageAcQ(scpi_t * context) {
scpi_number_t param1, param2;
char bf[15];
fprintf(stderr, "meas:volt:ac\r\n"); /* debug command name */
/* read first parameter if present */
if (!SCPI_ParamNumber(context, scpi_special_numbers_def, &param1, FALSE)) {
/* do something, if parameter not present */
}
/* read second paraeter if present */
if (!SCPI_ParamNumber(context, scpi_special_numbers_def, &param2, FALSE)) {
/* do something, if parameter not present */
}
SCPI_NumberToStr(context, scpi_special_numbers_def, &param1, bf, 15);
fprintf(stderr, "\tP1=%s\r\n", bf);
SCPI_NumberToStr(context, scpi_special_numbers_def, &param2, bf, 15);
fprintf(stderr, "\tP2=%s\r\n", bf);
SCPI_ResultDouble(context, 0);
return SCPI_RES_OK;
}
static scpi_result_t DMM_ConfigureVoltageDc(scpi_t * context) {
double param1, param2;
fprintf(stderr, "conf:volt:dc\r\n"); /* debug command name */
/* read first parameter if present */
if (!SCPI_ParamDouble(context, &param1, TRUE)) {
return SCPI_RES_ERR;
}
/* read second paraeter if present */
if (!SCPI_ParamDouble(context, &param2, FALSE)) {
/* do something, if parameter not present */
}
fprintf(stderr, "\tP1=%lf\r\n", param1);
fprintf(stderr, "\tP2=%lf\r\n", param2);
return SCPI_RES_OK;
}
static scpi_result_t TEST_Bool(scpi_t * context) {
scpi_bool_t param1;
fprintf(stderr, "TEST:BOOL\r\n"); /* debug command name */
/* read first parameter if present */
if (!SCPI_ParamBool(context, &param1, TRUE)) {
return SCPI_RES_ERR;
}
fprintf(stderr, "\tP1=%d\r\n", param1);
return SCPI_RES_OK;
}
scpi_choice_def_t trigger_source[] = {
{"BUS", 5},
{"IMMediate", 6},
{"EXTernal", 7},
SCPI_CHOICE_LIST_END /* termination of option list */
};
static scpi_result_t TEST_ChoiceQ(scpi_t * context) {
int32_t param;
const char * name;
if (!SCPI_ParamChoice(context, trigger_source, &param, TRUE)) {
return SCPI_RES_ERR;
}
SCPI_ChoiceToName(trigger_source, param, &name);
fprintf(stderr, "\tP1=%s (%ld)\r\n", name, (long int) param);
SCPI_ResultInt32(context, param);
return SCPI_RES_OK;
}
static scpi_result_t TEST_Numbers(scpi_t * context) {
int32_t numbers[2];
SCPI_CommandNumbers(context, numbers, 2, 1);
fprintf(stderr, "TEST numbers %d %d\r\n", numbers[0], numbers[1]);
return SCPI_RES_OK;
}
static scpi_result_t TEST_Text(scpi_t * context) {
char buffer[100];
size_t copy_len;
if (!SCPI_ParamCopyText(context, buffer, sizeof (buffer), &copy_len, FALSE)) {
buffer[0] = '\0';
}
fprintf(stderr, "TEXT: ***%s***\r\n", buffer);
return SCPI_RES_OK;
}
static scpi_result_t TEST_ArbQ(scpi_t * context) {
const char * data;
size_t len;
if (SCPI_ParamArbitraryBlock(context, &data, &len, FALSE)) {
SCPI_ResultArbitraryBlock(context, data, len);
}
return SCPI_RES_OK;
}
struct _scpi_channel_value_t {
int32_t row;
int32_t col;
};
typedef struct _scpi_channel_value_t scpi_channel_value_t;
/**
* @brief
* parses lists
* channel numbers > 0.
* no checks yet.
* valid: (@1), (@3!1:1!3), ...
* (@1!1:3!2) would be 1!1, 1!2, 2!1, 2!2, 3!1, 3!2.
* (@3!1:1!3) would be 3!1, 3!2, 3!3, 2!1, 2!2, 2!3, ... 1!3.
*
* @param channel_list channel list, compare to SCPI99 Vol 1 Ch. 8.3.2
*/
static scpi_result_t TEST_Chanlst(scpi_t *context) {
scpi_parameter_t channel_list_param;
#define MAXROW 2 /* maximum number of rows */
#define MAXCOL 6 /* maximum number of columns */
#define MAXDIM 2 /* maximum number of dimensions */
scpi_channel_value_t array[MAXROW * MAXCOL]; /* array which holds values in order (2D) */
size_t chanlst_idx; /* index for channel list */
size_t arr_idx = 0; /* index for array */
size_t n, m = 1; /* counters for row (n) and columns (m) */
/* get channel list */
if (SCPI_Parameter(context, &channel_list_param, TRUE)) {
scpi_expr_result_t res;
scpi_bool_t is_range;
int32_t values_from[MAXDIM];
int32_t values_to[MAXDIM];
size_t dimensions;
bool for_stop_row = FALSE; /* true if iteration for rows has to stop */
bool for_stop_col = FALSE; /* true if iteration for columns has to stop */
int32_t dir_row = 1; /* direction of counter for rows, +/-1 */
int32_t dir_col = 1; /* direction of counter for columns, +/-1 */
/* the next statement is valid usage and it gets only real number of dimensions for the first item (index 0) */
if (!SCPI_ExprChannelListEntry(context, &channel_list_param, 0, &is_range, NULL, NULL, 0, &dimensions)) {
chanlst_idx = 0; /* call first index */
arr_idx = 0; /* set arr_idx to 0 */
do { /* if valid, iterate over channel_list_param index while res == valid (do-while cause we have to do it once) */
res = SCPI_ExprChannelListEntry(context, &channel_list_param, chanlst_idx, &is_range, values_from, values_to, 4, &dimensions);
if (is_range == FALSE) { /* still can have multiple dimensions */
if (dimensions == 1) {
/* here we have our values
* row == values_from[0]
* col == 0 (fixed number)
* call a function or something */
array[arr_idx].row = values_from[0];
array[arr_idx].col = 0;
} else if (dimensions == 2) {
/* here we have our values
* row == values_fom[0]
* col == values_from[1]
* call a function or something */
array[arr_idx].row = values_from[0];
array[arr_idx].col = values_from[1];
} else {
return SCPI_RES_ERR;
}
arr_idx++; /* inkrement array where we want to save our values to, not neccessary otherwise */
if (arr_idx >= MAXROW * MAXCOL) {
return SCPI_RES_ERR;
}
} else if (is_range == TRUE) {
if (values_from[0] > values_to[0]) {
dir_row = -1; /* we have to decrement from values_from */
} else { /* if (values_from[0] < values_to[0]) */
dir_row = +1; /* default, we increment from values_from */
}
/* iterating over rows, do it once -> set for_stop_row = false
* needed if there is channel list index isn't at end yet */
for_stop_row = FALSE;
for (n = values_from[0]; for_stop_row == FALSE; n += dir_row) {
/* usual case for ranges, 2 dimensions */
if (dimensions == 2) {
if (values_from[1] > values_to[1]) {
dir_col = -1;
} else if (values_from[1] < values_to[1]) {
dir_col = +1;
}
/* iterating over columns, do it at least once -> set for_stop_col = false
* needed if there is channel list index isn't at end yet */
for_stop_col = FALSE;
for (m = values_from[1]; for_stop_col == FALSE; m += dir_col) {
/* here we have our values
* row == n
* col == m
* call a function or something */
array[arr_idx].row = n;
array[arr_idx].col = m;
arr_idx++;
if (arr_idx >= MAXROW * MAXCOL) {
return SCPI_RES_ERR;
}
if (m == (size_t)values_to[1]) {
/* endpoint reached, stop column for-loop */
for_stop_col = TRUE;
}
}
/* special case for range, example: (@2!1) */
} else if (dimensions == 1) {
/* here we have values
* row == n
* col == 0 (fixed number)
* call function or sth. */
array[arr_idx].row = n;
array[arr_idx].col = 0;
arr_idx++;
if (arr_idx >= MAXROW * MAXCOL) {
return SCPI_RES_ERR;
}
}
if (n == (size_t)values_to[0]) {
/* endpoint reached, stop row for-loop */
for_stop_row = TRUE;
}
}
} else {
return SCPI_RES_ERR;
}
/* increase index */
chanlst_idx++;
} while (SCPI_EXPR_OK == SCPI_ExprChannelListEntry(context, &channel_list_param, chanlst_idx, &is_range, values_from, values_to, 4, &dimensions));
/* while checks, whether incremented index is valid */
}
/* do something at the end if needed */
/* array[arr_idx].row = 0; */
/* array[arr_idx].col = 0; */
}
{
size_t i;
fprintf(stderr, "TEST_Chanlst: ");
for (i = 0; i< arr_idx; i++) {
fprintf(stderr, "%d!%d, ", array[i].row, array[i].col);
}
fprintf(stderr, "\r\n");
}
return SCPI_RES_OK;
}
/**
* Reimplement IEEE488.2 *TST?
*
* Result should be 0 if everything is ok
* Result should be 1 if something goes wrong
*
* Return SCPI_RES_OK
*/
static scpi_result_t My_CoreTstQ(scpi_t * context) {
SCPI_ResultInt32(context, 0);
return SCPI_RES_OK;
}
const scpi_command_t scpi_commands[] = {
/* IEEE Mandated Commands (SCPI std V1999.0 4.1.1) */
{"*CLS", SCPI_CoreCls, 0},
{"*ESE", SCPI_CoreEse, 0},
{"*ESE?", SCPI_CoreEseQ, 0},
{"*ESR?", SCPI_CoreEsrQ, 0},
{"*IDN?", SCPI_CoreIdnQ, 0},
{"*OPC", SCPI_CoreOpc, 0},
{"*OPC?", SCPI_CoreOpcQ, 0},
{"*RST", SCPI_CoreRst, 0},
{"*SRE", SCPI_CoreSre, 0},
{"*SRE?", SCPI_CoreSreQ, 0},
{"*STB?", SCPI_CoreStbQ, 0},
{"*TST?", My_CoreTstQ, 0},
{"*WAI", SCPI_CoreWai, 0},
/* Required SCPI commands (SCPI std V1999.0 4.2.1) */
{"SYSTem:ERRor[:NEXT]?", SCPI_SystemErrorNextQ, 0},
{"SYSTem:ERRor:COUNt?", SCPI_SystemErrorCountQ, 0},
{"SYSTem:VERSion?", SCPI_SystemVersionQ, 0},
//{"STATus:OPERation?", scpi_stub_callback, 0},
//{"STATus:OPERation:EVENt?", scpi_stub_callback, 0},
//{"STATus:OPERation:CONDition?", scpi_stub_callback, 0},
//{"STATus:OPERation:ENABle", scpi_stub_callback, 0},
//{"STATus:OPERation:ENABle?", scpi_stub_callback, 0},
{"STATus:QUEStionable[:EVENt]?", SCPI_StatusQuestionableEventQ, 0},
//{"STATus:QUEStionable:CONDition?", scpi_stub_callback, 0},
{"STATus:QUEStionable:ENABle", SCPI_StatusQuestionableEnable, 0},
{"STATus:QUEStionable:ENABle?", SCPI_StatusQuestionableEnableQ, 0},
{"STATus:PRESet", SCPI_StatusPreset, 0},
/* DMM */
{"MEASure:VOLTage:DC?", DMM_MeasureVoltageDcQ, 0},
{"CONFigure:VOLTage:DC", DMM_ConfigureVoltageDc, 0},
{"MEASure:VOLTage:DC:RATio?", SCPI_StubQ, 0},
{"MEASure:VOLTage:AC?", DMM_MeasureVoltageAcQ, 0},
{"MEASure:CURRent:DC?", SCPI_StubQ, 0},
{"MEASure:CURRent:AC?", SCPI_StubQ, 0},
{"MEASure:RESistance?", SCPI_StubQ, 0},
{"MEASure:FRESistance?", SCPI_StubQ, 0},
{"MEASure:FREQuency?", SCPI_StubQ, 0},
{"MEASure:PERiod?", SCPI_StubQ, 0},
{"SYSTem:COMMunication:TCPIP:CONTROL?", SCPI_SystemCommTcpipControlQ, 0},
{"TEST:BOOL", TEST_Bool, 0},
{"TEST:CHOice?", TEST_ChoiceQ, 0},
{"TEST#:NUMbers#", TEST_Numbers, 0},
{"TEST:TEXT", TEST_Text, 0},
{"TEST:ARBitrary?", TEST_ArbQ, 0},
{"TEST:CHANnellist", TEST_Chanlst, 0},
SCPI_CMD_LIST_END
};
scpi_interface_t scpi_interface = {
/*.error = */ SCPI_Error,
/*.write = */ SCPI_Write,
/*.control = */ SCPI_Control,
/*.flush = */ SCPI_Flush,
/*.reset = */ SCPI_Reset,
};
char scpi_input_buffer[SCPI_INPUT_BUFFER_LENGTH];
scpi_error_t scpi_error_queue_data[SCPI_ERROR_QUEUE_SIZE];
scpi_t scpi_context;