From ee12be8250ef185d24281f35fbd8541de240ece1 Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周二, 13 10月 2015 01:08:52 +0800
Subject: [PATCH] Resolve #55: SCPI_ExprChannelListEntry example
---
examples/common/scpi-def.c | 340 ++++++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 277 insertions(+), 63 deletions(-)
diff --git a/examples/common/scpi-def.c b/examples/common/scpi-def.c
index e7061bf..dde9217 100644
--- a/examples/common/scpi-def.c
+++ b/examples/common/scpi-def.c
@@ -40,97 +40,307 @@
#include "scpi/scpi.h"
#include "scpi-def.h"
-scpi_result_t DMM_MeasureVoltageDcQ(scpi_t * context) {
- scpi_parameter_t param1, param2;
+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_Parameter(context, ¶m1, false)) {
- SCPI_ParamTranslateNumberVal(context, ¶m1);
- }
-
- // read second paraeter if present
- if (SCPI_Parameter(context, ¶m2, false)) {
- SCPI_ParamTranslateNumberVal(context, ¶m2);
- }
-
-
- SCPI_NumberToStr(context, ¶m1.number, bf, 15);
- fprintf(stderr, "\tP1=%s\r\n", bf);
-
-
- SCPI_NumberToStr(context, ¶m2.number, bf, 15);
- fprintf(stderr, "\tP2=%s\r\n", bf);
-
- SCPI_ResultDouble(context, 0);
-
- return SCPI_RES_OK;
-}
-
-
-scpi_result_t DMM_ConfigureVoltageDc(scpi_t * context) {
- scpi_parameter_t param1, param2;
- fprintf(stderr, "conf:volt:dc\r\n"); // debug command name
-
- // read first parameter if present
- if (!SCPI_Parameter(context, ¶m1, true)) {
- return SCPI_RES_ERR;
- }
-
- // read second paraeter if present
- if (!SCPI_Parameter(context, ¶m2, false)) {
+ if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m1, FALSE)) {
// do something, if parameter not present
}
- fprintf(stderr, "\tP1=%lf\r\n", SCPI_ParamGetDoubleVal(context, ¶m1));
- fprintf(stderr, "\tP2=%lf\r\n", SCPI_ParamGetDoubleVal(context, ¶m2));
+ // read second paraeter if present
+ if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m2, FALSE)) {
+ // do something, if parameter not present
+ }
+
+
+ SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m1, bf, 15);
+ fprintf(stderr, "\tP1=%s\r\n", bf);
+
+
+ SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m2, bf, 15);
+ fprintf(stderr, "\tP2=%s\r\n", bf);
+
+ SCPI_ResultDouble(context, 0);
return SCPI_RES_OK;
}
-scpi_result_t TEST_Bool(scpi_t * context) {
- scpi_parameter_t param1;
+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, ¶m1, FALSE)) {
+ // do something, if parameter not present
+ }
+
+ // read second paraeter if present
+ if (!SCPI_ParamNumber(context, scpi_special_numbers_def, ¶m2, FALSE)) {
+ // do something, if parameter not present
+ }
+
+
+ SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m1, bf, 15);
+ fprintf(stderr, "\tP1=%s\r\n", bf);
+
+
+ SCPI_NumberToStr(context, scpi_special_numbers_def, ¶m2, 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, ¶m1, TRUE)) {
+ return SCPI_RES_ERR;
+ }
+
+ // read second paraeter if present
+ if (!SCPI_ParamDouble(context, ¶m2, 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_Parameter(context, ¶m1, true)) {
+ if (!SCPI_ParamBool(context, ¶m1, TRUE)) {
return SCPI_RES_ERR;
}
- fprintf(stderr, "\tP1=%d\r\n", SCPI_ParamGetBoolVal(context, ¶m1));
+ fprintf(stderr, "\tP1=%d\r\n", param1);
return SCPI_RES_OK;
}
-const char * trigger_source[] = {
- "BUS",
- "IMMediate",
- "EXTernal",
- NULL /* termination of option list */
+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) {
-scpi_result_t TEST_ChoiceQ(scpi_t * context) {
- scpi_parameter_t param1;
- int32_t result;
+ int32_t param;
+ const char * name;
- if (!SCPI_Parameter(context, ¶m1, true)) {
+ if (!SCPI_ParamChoice(context, trigger_source, ¶m, TRUE)) {
return SCPI_RES_ERR;
}
- result = SCPI_ParamGetChoiceVal(context, ¶m1, trigger_source);
+ SCPI_ChoiceToName(trigger_source, param, &name);
+ fprintf(stderr, "\tP1=%s (%ld)\r\n", name, (long int) param);
- fprintf(stderr, "\tP1=%s (%d)\r\n", result >= 0 ? trigger_source[result] : "", result);
-
- SCPI_ResultInt(context, result);
+ SCPI_ResultInt32(context, param);
return SCPI_RES_OK;
}
-scpi_result_t TEST_Numbers(scpi_t * context) {
+static scpi_result_t TEST_Numbers(scpi_t * context) {
+ int32_t numbers[2];
- fprintf(stderr, "RAW CMD %.*s\r\n", (int)context->param_list.cmd_raw.length, context->param_list.cmd_raw.data);
+ 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), ©_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;
+
+ 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;
+ break;
+ }
+ arr_idx++; //inkrement array where we want to save our values to, not neccessary otherwise
+ } 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 (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 (n == (size_t)values_to[0]) {
+ //endpoint reached, stop row for-loop
+ for_stop_row = true;
+ }
+ }
+
+
+ } else {
+ return SCPI_RES_ERR;
+ break;
+ }
+ //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;
}
@@ -148,7 +358,7 @@
{ .pattern = "*SRE", .callback = SCPI_CoreSre,},
{ .pattern = "*SRE?", .callback = SCPI_CoreSreQ,},
{ .pattern = "*STB?", .callback = SCPI_CoreStbQ,},
- { .pattern = "*TST?", .callback = SCPI_CoreTstQ,},
+ { .pattern = "*TST?", .callback = My_CoreTstQ,},
{ .pattern = "*WAI", .callback = SCPI_CoreWai,},
/* Required SCPI commands (SCPI std V1999.0 4.2.1) */
@@ -173,7 +383,7 @@
{.pattern = "MEASure:VOLTage:DC?", .callback = DMM_MeasureVoltageDcQ,},
{.pattern = "CONFigure:VOLTage:DC", .callback = DMM_ConfigureVoltageDc,},
{.pattern = "MEASure:VOLTage:DC:RATio?", .callback = SCPI_StubQ,},
- {.pattern = "MEASure:VOLTage:AC?", .callback = SCPI_StubQ,},
+ {.pattern = "MEASure:VOLTage:AC?", .callback = DMM_MeasureVoltageAcQ,},
{.pattern = "MEASure:CURRent:DC?", .callback = SCPI_StubQ,},
{.pattern = "MEASure:CURRent:AC?", .callback = SCPI_StubQ,},
{.pattern = "MEASure:RESistance?", .callback = SCPI_StubQ,},
@@ -186,6 +396,9 @@
{.pattern = "TEST:BOOL", .callback = TEST_Bool,},
{.pattern = "TEST:CHOice?", .callback = TEST_ChoiceQ,},
{.pattern = "TEST#:NUMbers#", .callback = TEST_Numbers,},
+ {.pattern = "TEST:TEXT", .callback = TEST_Text,},
+ {.pattern = "TEST:ARBitrary?", .callback = TEST_ArbQ,},
+ {.pattern = "TEST:CHANnellist", .callback = TEST_Chanlst,},
SCPI_CMD_LIST_END
};
@@ -196,7 +409,6 @@
.control = SCPI_Control,
.flush = SCPI_Flush,
.reset = SCPI_Reset,
- .test = SCPI_Test,
};
#define SCPI_INPUT_BUFFER_LENGTH 256
@@ -207,13 +419,15 @@
scpi_t scpi_context = {
.cmdlist = scpi_commands,
- .buffer = {
+ .buffer =
+ {
.length = SCPI_INPUT_BUFFER_LENGTH,
.data = scpi_input_buffer,
},
.interface = &scpi_interface,
.registers = scpi_regs,
.units = scpi_units_def,
- .special_numbers = scpi_special_numbers_def,
- .idn = {"MANUFACTURE", "INSTR2013", NULL, "01-02"},
+ .idn =
+ {"MANUFACTURE", "INSTR2013", NULL, "01-02"},
};
+
--
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