/*
* This file is part of the libsigrok project.
*
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
*
* This program is free software: you can redistribute it and/or modify
*/
#include <config.h>
+#include <glib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+#include "scpi.h"
#include "protocol.h"
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
-{
- struct drv_context *drvc;
- GSList *devices;
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
+};
- (void)options;
+static const uint32_t drvopts[] = {
+ SR_CONF_MULTIMETER,
+};
- devices = NULL;
- drvc = di->context;
- drvc->instances = NULL;
+static const uint32_t devopts[] = {
+ SR_CONF_CONTINUOUS,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
+ SR_CONF_LIMIT_MSEC | SR_CONF_SET,
+};
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+/* Vendor, model, number of channels, poll period */
+static const struct fluke_scpi_dmm_model supported_models[] = {
+ { "FLUKE", "45", 2, 0 },
+};
- return devices;
-}
+static struct sr_dev_driver fluke_45_driver_info;
-static int dev_open(struct sr_dev_inst *sdi)
+static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
- (void)sdi;
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ struct sr_scpi_hw_info *hw_info;
+ const struct scpi_command *cmdset = fluke_45_cmdset;
+ unsigned int i;
+ const struct fluke_scpi_dmm_model *model = NULL;
+ gchar *channel_name;
+ char *response;
+
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->conn = scpi;
+
+ /* Test for serial port ECHO enabled. */
+ sr_scpi_get_string(scpi, "ECHO-TEST", &response);
+ if (strcmp(response, "ECHO-TEST") == 0) {
+ sr_err("Serial port ECHO is ON. Please turn it OFF!");
+ return NULL;
+ }
- /* TODO: get handle from sdi->conn and open it. */
+ /* Get device IDN. */
+ if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+ sr_info("Couldn't get IDN response, retrying.");
+ sr_scpi_close(scpi);
+ sr_scpi_open(scpi);
+ if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+ sr_info("Couldn't get IDN response.");
+ return NULL;
+ }
+ }
- return SR_OK;
+ /* Check IDN. */
+ for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
+ if (!g_ascii_strcasecmp(hw_info->manufacturer,
+ supported_models[i].vendor) &&
+ !strcmp(hw_info->model, supported_models[i].model)) {
+ model = &supported_models[i];
+ break;
+ }
+ }
+ if (!model) {
+ sr_scpi_hw_info_free(hw_info);
+ return NULL;
+ }
+
+ /* Set up device parameters. */
+ sdi->vendor = g_strdup(model->vendor);
+ sdi->model = g_strdup(model->model);
+ sdi->version = g_strdup(hw_info->firmware_version);
+ sdi->serial_num = g_strdup(hw_info->serial_number);
+ sdi->conn = scpi;
+ sdi->driver = &fluke_45_driver_info;
+ sdi->inst_type = SR_INST_SCPI;
+
+ devc = g_malloc0(sizeof(struct dev_context));
+ devc->num_channels = model->num_channels;
+ devc->cmdset = cmdset;
+
+ /* Create channels. */
+ for (i = 0; i < devc->num_channels; i++) {
+ channel_name = g_strdup_printf("P%d", i + 1);
+ sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
+ }
+
+ sdi->priv = devc;
+
+ return sdi;
}
-static int dev_close(struct sr_dev_inst *sdi)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+ return sr_scpi_scan(di->context, options, probe_device);
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct sr_scpi_dev_inst *scpi;
+ int ret;
- /* TODO: get handle from sdi->conn and close it. */
+ scpi = sdi->conn;
+
+ if ((ret = sr_scpi_open(scpi) < 0)) {
+ sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
+ return SR_ERR;
+ }
return SR_OK;
}
-static int config_get(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+static int dev_close(struct sr_dev_inst *sdi)
{
- int ret;
+ struct sr_scpi_dev_inst *scpi;
- (void)sdi;
- (void)data;
- (void)cg;
+ scpi = sdi->conn;
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- return SR_ERR_NA;
- }
+ if (!scpi)
+ return SR_ERR_BUG;
- return ret;
+ return sr_scpi_close(scpi);
}
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc;
- (void)sdi;
- (void)data;
(void)cg;
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- ret = SR_ERR_NA;
- }
+ devc = sdi->priv;
- return ret;
+ return sr_sw_limits_config_set(&devc->limits, key, data);
}
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
+}
- (void)sdi;
- (void)data;
- (void)cg;
+static int config_get(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+ struct dev_context *devc = sdi->priv;
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- return SR_ERR_NA;
- }
+ (void)cg;
- return ret;
+ return sr_sw_limits_config_get(&devc->limits, key, data);
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ struct sr_scpi_dev_inst *scpi;
+ struct dev_context *devc;
+ int ret;
+
+ scpi = sdi->conn;
+ devc = sdi->priv;
+
+ sr_sw_limits_acquisition_start(&devc->limits);
+ std_session_send_df_header(sdi);
- (void)sdi;
+ if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
+ fl45_scpi_receive_data, (void *)sdi)) != SR_OK)
+ return ret;
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- /* TODO: stop acquisition. */
+ struct sr_scpi_dev_inst *scpi;
+ double d;
- (void)sdi;
+ scpi = sdi->conn;
+
+ /*
+ * A requested value is certainly on the way. Retrieve it now,
+ * to avoid leaving the device in a state where it's not expecting
+ * commands.
+ */
+ sr_scpi_get_double(scpi, NULL, &d);
+ sr_scpi_source_remove(sdi->session, scpi);
+
+ std_session_send_df_end(sdi);
return SR_OK;
}
-SR_PRIV struct sr_dev_driver fluke_45_driver_info = {
+static struct sr_dev_driver fluke_45_driver_info = {
.name = "fluke-45",
.longname = "Fluke 45",
.api_version = 1,
.dev_acquisition_stop = dev_acquisition_stop,
.context = NULL,
};
-
SR_REGISTER_DEV_DRIVER(fluke_45_driver_info);
/*
* This file is part of the libsigrok project.
*
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
*
* This program is free software: you can redistribute it and/or modify
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdio.h>
#include <config.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <glib.h>
+#include <errno.h>
+#include <scpi.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
#include "protocol.h"
-SR_PRIV int fluke_45_receive_data(int fd, int revents, void *cb_data)
+/* Get the current state of the meter and sets analog object parameters. */
+SR_PRIV int fl45_get_status(const struct sr_dev_inst *sdi,
+ struct sr_datafeed_analog *analog, int idx)
{
- const struct sr_dev_inst *sdi;
struct dev_context *devc;
+ char *cmd, *func;
+ int res;
+
+ res = 0;
+
+ /* Command string to read current function. */
+ cmd = g_strdup_printf("FUNC%d?", idx + 1);
+ sr_dbg("Sent command: %s.", cmd);
+
+ if (!(devc = sdi->priv))
+ return TRUE;
+
+ /* Default settings. */
+ analog[idx].meaning->mq = 0;
+ analog[idx].meaning->unit = 0;
+ analog[idx].meaning->mqflags = 0;
+
+ /* Get a response to the FUNC? command. */
+ res = fl45_scpi_get_response(sdi, cmd);
+ if (res == SR_ERR)
+ return res;
+ sr_dbg("Response to FUNC: %s.", devc->response);
+
+ /* Set up analog mq, unit and flags. */
+ if (res == SR_OK && devc->response != NULL) {
+ func = devc->response;
+ if (strcmp(func, "AAC") == 0) {
+ analog[idx].meaning->mq = SR_MQ_CURRENT;
+ analog[idx].meaning->unit = SR_UNIT_AMPERE;
+ analog[idx].meaning->mqflags = SR_MQFLAG_AC;
+ } else if (strcmp(func, "AACDC") == 0) {
+ analog[idx].meaning->mq = SR_MQ_CURRENT;
+ analog[idx].meaning->unit = SR_UNIT_AMPERE;
+ analog[idx].meaning->mqflags = SR_MQFLAG_AC;
+ } else if (strcmp(func, "ADC") == 0) {
+ analog[idx].meaning->mq = SR_MQ_CURRENT;
+ analog[idx].meaning->unit = SR_UNIT_AMPERE;
+ analog[idx].meaning->mqflags = SR_MQFLAG_DC;
+ } else if (strcmp(func, "CONT") == 0) {
+ analog[idx].meaning->mq = SR_MQ_CONTINUITY;
+ analog->meaning->unit = SR_UNIT_BOOLEAN;
+ } else if (strcmp(func, "DIODE") == 0) {
+ analog[idx].meaning->mq = SR_MQ_VOLTAGE;
+ analog[idx].meaning->unit = SR_UNIT_VOLT;
+ analog[idx].meaning->mqflags = SR_MQFLAG_DIODE;
+ } else if (strcmp(func, "FREQ") == 0) {
+ analog[idx].meaning->mq = SR_MQ_FREQUENCY;
+ analog[idx].meaning->unit = SR_UNIT_HERTZ;
+ } else if (strcmp(func, "OHMS") == 0) {
+ analog[idx].meaning->mq = SR_MQ_RESISTANCE;
+ analog[idx].meaning->unit = SR_UNIT_OHM;
+ } else if (strcmp(func, "VAC") == 0) {
+ analog[idx].meaning->mq = SR_MQ_VOLTAGE;
+ analog[idx].meaning->unit = SR_UNIT_VOLT;
+ analog[idx].meaning->mqflags = SR_MQFLAG_AC;
+ } else if (strcmp(func, "VACDC") == 0) {
+ analog[idx].meaning->mq = SR_MQ_VOLTAGE;
+ analog[idx].meaning->unit = SR_UNIT_VOLT;
+ analog[idx].meaning->mqflags |= SR_MQFLAG_AC;
+ analog[idx].meaning->mqflags |= SR_MQFLAG_DC;
+ } else if (strcmp(func, "VDC") == 0) {
+ analog[idx].meaning->mq = SR_MQ_VOLTAGE;
+ analog[idx].meaning->unit = SR_UNIT_VOLT;
+ analog[idx].meaning->mqflags = SR_MQFLAG_DC;
+ }
+ }
+
+ /* Is the meter in autorange mode? */
+ res = fl45_scpi_get_response(sdi, "AUTO?");
+ if (res == SR_ERR)
+ return res;
+ sr_dbg("Response to AUTO: %s.", devc->response);
+ if (res == SR_OK && devc->response != NULL) {
+ if (strcmp(devc->response, "1") == 0)
+ analog[idx].meaning->mqflags |= SR_MQFLAG_AUTORANGE;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int fl45_get_modifiers(const struct sr_dev_inst *sdi,
+ struct sr_datafeed_analog *analog, int idx)
+{
+ struct dev_context *devc;
+ int res, mod;
+
+ if (!(devc = sdi->priv))
+ return TRUE;
+
+ /* Get modifier value. */
+ res = fl45_scpi_get_response(sdi, "MOD?");
+ if (res == SR_ERR)
+ return res;
+ sr_dbg("Response to MOD: %s.", devc->response);
+ if (res == SR_OK && devc->response != NULL) {
+ mod = atoi(devc->response);
+ if (mod & 0x01) {
+ analog[idx].meaning->mqflags |= SR_MQFLAG_MIN;
+ sr_dbg("MIN bit set: %s.", "1");
+ }
+ if (mod & 0x02) {
+ analog[idx].meaning->mqflags |= SR_MQFLAG_MAX;
+ sr_dbg("MAX bit set: %s.", "2");
+ }
+ if (mod & 0x04) {
+ analog[idx].meaning->mqflags |= SR_MQFLAG_HOLD;
+ sr_dbg("HOLD bit set: %s.", "4");
+ }
+ if (mod & 0x08) {
+ sr_dbg("dB bit set: %s.", "8");
+ analog[idx].meaning->mq = SR_MQ_POWER_FACTOR;
+ analog[idx].meaning->unit = SR_UNIT_DECIBEL_MW;
+ analog[idx].meaning->mqflags = 0;
+ analog[idx].encoding->digits = 2;
+ analog[idx].spec->spec_digits = 2;
+ }
+ if (mod & 0x10) {
+ sr_dbg("dB Power mod bit set: %s.", "16");
+ analog[idx].meaning->mq = SR_MQ_POWER;
+ analog[idx].meaning->unit = SR_UNIT_DECIBEL_SPL;
+ analog[idx].meaning->mqflags = 0;
+ analog[idx].encoding->digits = 2;
+ analog[idx].spec->spec_digits = 2;
+ }
+ if (mod & 0x20) {
+ sr_dbg("REL bit set: %s.", "32");
+ analog[idx].meaning->mqflags |= SR_MQFLAG_HOLD;
+ }
+ }
+
+ return SR_OK;
+}
+
+int get_reading_dd(char *reading, size_t size)
+{
+ int pe, pd, digits;
+ unsigned int i;
+ char expstr[3];
+ char *eptr;
+ long exp;
+
+ /* Calculate required precision. */
+
+ pe = pd = digits = 0;
+
+ /* Get positions for '.' end 'E'. */
+ for (i = 0; i < size; i++) {
+ if (reading[i] == '.')
+ pd = i;
+ if (reading[i] == 'E') {
+ pe = i;
+ break;
+ }
+ }
+
+ digits = (pe - pd) - 1;
+
+ /* Get exponent element. */
+ expstr[0] = reading[pe + 1];
+ expstr[1] = reading[pe + 2];
+ expstr[2] = '\0';
+ errno = 0;
+ exp = strtol(expstr, &eptr, 10);
+ if (errno != 0)
+ return 2;
+ /* A negative exponent increses digits, a positive one reduces. */
+ exp = exp * (-1);
+
+ /* Adjust digits taking into account exponent. */
+ digits = digits + exp;
+
+ return digits;
+}
+
+SR_PRIV int fl45_scpi_receive_data(int fd, int revents, void *cb_data)
+{
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_analog analog[2];
+ struct sr_analog_encoding encoding[2];
+ struct sr_analog_meaning meaning[2];
+ struct sr_analog_spec spec[2];
+ struct sr_channel *channel;
+ char *reading;
+ float fv;
+ int res, digits;
+ unsigned int i;
+ int sent_ch[2];
(void)fd;
+ (void)revents;
if (!(sdi = cb_data))
return TRUE;
if (!(devc = sdi->priv))
return TRUE;
- if (revents == G_IO_IN) {
- /* TODO */
+ res = 0;
+ sent_ch[0] = sent_ch[1] = 0;
+
+ /* Process the list of channels. */
+ for (i = 0; i < devc->num_channels; i++) {
+ /* Note: digits/spec_digits will be overridden later. */
+ sr_analog_init(&analog[i], &encoding[i], &meaning[i], &spec[i], 0);
+
+ /* Detect current meter function. */
+ res = fl45_get_status(sdi, analog, i);
+
+ /* Get channel data. */
+ if (i == 0)
+ channel = sdi->channels->data;
+ else
+ channel = sdi->channels->next->data;
+
+ /* Is channel enabled? */
+ if (analog[i].meaning->mq != 0 && channel->enabled) {
+ /* Then get a reading from it. */
+ if (i == 0)
+ res = fl45_scpi_get_response(sdi, "VAL1?");
+ if (i == 1)
+ res = fl45_scpi_get_response(sdi, "VAL2?");
+ /* Note: Fluke 45 sends all data in text strings. */
+ reading = devc->response;
+
+ /* Deal with OL reading. */
+ if (strcmp(reading, "+1E+9") == 0) {
+ fv = INFINITY;
+ sr_dbg("Reading OL (infinity): %s.",
+ devc->response);
+ } else if (res == SR_OK && reading != NULL) {
+ /* Convert reading to float. */
+ sr_dbg("Meter reading string: %s.", reading);
+ res = sr_atof_ascii(reading, &fv);
+ digits = get_reading_dd(reading, strlen(reading));
+ analog[i].encoding->digits = digits;
+ analog[i].spec->spec_digits = digits;
+
+ } else {
+ sr_dbg("Invalid float string: '%s'.", reading);
+ return SR_ERR;
+ }
+
+ /* Are we on a little or big endian system? */
+#ifdef WORDS_BIGENDIAN
+ analog[i].encoding->is_bigendian = TRUE;
+#else
+ analog[i].encoding->is_bigendian = FALSE;
+#endif
+
+ /* Apply any modifiers. */
+ res = fl45_get_modifiers(sdi, analog, i);
+
+ /* Channal flag. */
+ sent_ch[i] = 1;
+
+ /* Set up analog object. */
+ analog[i].num_samples = 1;
+ analog[i].data = &fv;
+ analog[i].meaning->channels = g_slist_append(NULL, channel);
+
+ packet.type = SR_DF_ANALOG;
+ packet.payload = &analog[i];
+
+ sr_session_send(sdi, &packet);
+
+ g_slist_free(analog[i].meaning->channels);
+ }
}
+ /* Update appropriate channel limits. */
+ if (sent_ch[0] || sent_ch[1])
+ sr_sw_limits_update_samples_read(&devc->limits, 1);
+
+ /* Are we done collecting samples? */
+ if (sr_sw_limits_check(&devc->limits))
+ sr_dev_acquisition_stop(sdi);
+
return TRUE;
}
+
+SR_PRIV int fl45_scpi_get_response(const struct sr_dev_inst *sdi, char *cmd)
+{
+ struct dev_context *devc;
+ devc = sdi->priv;
+
+ /* Attempt to get a SCPI reponse. */
+ if (sr_scpi_get_string(sdi->conn, cmd, &devc->response) != SR_OK)
+ return SR_ERR;
+
+ /* Deal with RS232 '=>' prompt. */
+ if (strcmp(devc->response, "=>") == 0) {
+ /*
+ * If the response is a prompt then ignore and read the next
+ * response in the buffer.
+ */
+ devc->response = NULL;
+ /* Now attempt to read again. */
+ if (sr_scpi_get_string(sdi->conn, NULL, &devc->response) != SR_OK)
+ return SR_ERR;
+ }
+
+ /* NULL RS232 error prompts. */
+ if (strcmp(devc->response, "!>") == 0
+ || (strcmp(devc->response, "?>") == 0)) {
+ /* Unable to execute CMD. */
+ devc->response = NULL;
+ }
+
+ return SR_OK;
+}
/*
* This file is part of the libsigrok project.
*
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
*
* This program is free software: you can redistribute it and/or modify
#define LIBSIGROK_HARDWARE_FLUKE_45_PROTOCOL_H
#include <stdint.h>
-#include <glib.h>
-#include <libsigrok/libsigrok.h>
-#include "libsigrok-internal.h"
+#include <stdbool.h>
+#include <scpi.h>
#define LOG_PREFIX "fluke-45"
+#define FLUKEDMM_BUFSIZE 256
+
+/* Always USB-serial, 1ms is plenty. */
+#define SERIAL_WRITE_TIMEOUT_MS 1
+
+enum data_format {
+ /* Fluke 45 uses IEEE488v2. */
+ FORMAT_IEEE488_2,
+};
+
+enum dmm_scpi_cmds {
+ SCPI_CMD_CLS,
+ SCPI_CMD_RST,
+ SCPI_CMD_REMS,
+ SCPI_CMD_RWLS,
+ SCPI_CMD_LOCS,
+ SCPI_CMD_LWLS,
+ SCPI_CMD_REMOTE,
+ SCPI_CMD_LOCAL,
+ SCPI_CMD_SET_ACVOLTAGE,
+ SCPI_CMD_SET_ACDCVOLTAGE,
+ SCPI_CMD_SET_DCVOLTAGE,
+ SCPI_CMD_SET_ACCURRENT,
+ SCPI_CMD_SET_ACDCCURRENT,
+ SCPI_CMD_SET_DCCURRENT,
+ SCPI_CMD_SET_FREQUENCY,
+ SCPI_CMD_SET_RESISTANCE,
+ SCPI_CMD_SET_CONTINUITY,
+ SCPI_CMD_SET_DIODE,
+ SCPI_CMD_SET_AUTO,
+ SCPI_CMD_GET_AUTO,
+ SCPI_CMD_SET_FIXED,
+ SCPI_CMD_SET_RANGE,
+ SCPI_CMD_GET_RANGE_D1,
+ SCPI_CMD_GET_RANGE_D2,
+ SCPI_CMD_SET_DB,
+ SCPI_CMD_SET_DBCLR,
+ SCPI_CMD_SET_DBPOWER,
+ SCPI_CMD_SET_DBREF,
+ SCPI_CMD_GET_DBREF,
+ SCPI_CMD_SET_HOLD,
+ SCPI_CMD_SET_HOLDCLR,
+ SCPI_CMD_SET_MAX,
+ SCPI_CMD_SET_MIN,
+ SCPI_CMD_SET_MMCLR,
+ SCPI_CMD_SET_REL,
+ SCPI_CMD_SET_RELCLR,
+ SCPI_CMD_GET_MEAS_DD,
+ SCPI_CMD_GET_MEAS_D1,
+ SCPI_CMD_GET_MEAS_D2,
+ SCPI_CMD_GET_RATE,
+ SCPI_CMD_SET_RATE,
+ SCPI_CMD_SET_TRIGGER,
+ SCPI_CMD_GET_TRIGGER,
+};
+
+static const struct scpi_command fluke_45_cmdset[] = {
+ { SCPI_CMD_CLS, "*CLS" },
+ { SCPI_CMD_RST, "*RST" },
+ { SCPI_CMD_REMS, "*REMS" },
+ { SCPI_CMD_RWLS, "*RWLS" },
+ { SCPI_CMD_LOCS, "LOCS" },
+ { SCPI_CMD_LWLS, "LWLS" },
+ { SCPI_CMD_REMOTE, "REMS" },
+ { SCPI_CMD_LOCAL, "LOCS" },
+ { SCPI_CMD_SET_ACVOLTAGE, "VAC" },
+ { SCPI_CMD_SET_ACDCVOLTAGE, "VACDC" },
+ { SCPI_CMD_SET_DCVOLTAGE, "VDC" },
+ { SCPI_CMD_SET_ACCURRENT, "AAC" },
+ { SCPI_CMD_SET_ACDCCURRENT, "AACDC" },
+ { SCPI_CMD_SET_DCCURRENT, "ADC" },
+ { SCPI_CMD_SET_FREQUENCY, "FREQ" },
+ { SCPI_CMD_SET_RESISTANCE, "OHMS" },
+ { SCPI_CMD_SET_CONTINUITY, "CONT" },
+ { SCPI_CMD_SET_DIODE, "DIODE" },
+ { SCPI_CMD_SET_AUTO, "AUTO" },
+ { SCPI_CMD_GET_AUTO, "AUTO?" },
+ { SCPI_CMD_SET_FIXED, "FIXED" },
+ { SCPI_CMD_SET_RANGE, "RANGE" },
+ { SCPI_CMD_GET_RANGE_D1, "RANGE1?" },
+ { SCPI_CMD_GET_RANGE_D2, "RANGE2?" },
+ { SCPI_CMD_SET_DB, "DB" },
+ { SCPI_CMD_SET_DBCLR, "DBCLR" },
+ { SCPI_CMD_SET_DBPOWER, "DBPOWER" },
+ { SCPI_CMD_SET_DBREF, "DBREF" },
+ { SCPI_CMD_GET_DBREF, "DBREF?" },
+ { SCPI_CMD_SET_HOLD, "HOLD" },
+ { SCPI_CMD_SET_HOLDCLR, "HOLDCLR" },
+ { SCPI_CMD_SET_MAX, "MAX" },
+ { SCPI_CMD_SET_MIN, "MIN" },
+ { SCPI_CMD_SET_MMCLR, "MMCLR" },
+ { SCPI_CMD_SET_REL, "REL" },
+ { SCPI_CMD_SET_RELCLR, "RELCLR" },
+ { SCPI_CMD_GET_MEAS_DD, "MEAS?" },
+ { SCPI_CMD_GET_MEAS_D1, "MEAS1?" },
+ { SCPI_CMD_GET_MEAS_D2, "MEAS2?" },
+ { SCPI_CMD_SET_RATE, "RATE" },
+ { SCPI_CMD_GET_RATE, "RATE?" },
+ { SCPI_CMD_SET_TRIGGER, "TRIGGER" },
+ { SCPI_CMD_GET_TRIGGER, "TRIGGER?" },
+ ALL_ZERO
+};
+
+struct fluke_scpi_dmm_model {
+ const char *vendor;
+ const char *model;
+ int num_channels;
+ int poll_period; /* How often to poll, in ms. */
+};
+
+struct channel_spec {
+ const char *name;
+ /* Min, max, programming resolution, spec digits, encoding digits. */
+ double voltage[5];
+ double current[5];
+ double resistance[5];
+ double capacitance[5];
+ double conductance[5];
+ double diode[5];
+};
+
+struct channel_group_spec {
+ const char *name;
+ uint64_t channel_index_mask;
+ uint64_t features;
+};
+
+struct dmm_channel {
+ enum sr_mq mq;
+ unsigned int hw_output_idx;
+ const char *hwname;
+ int digits;
+};
+
+struct dmm_channel_instance {
+ enum sr_mq mq;
+ int command;
+ const char *prefix;
+};
+
+struct dmm_channel_group {
+ uint64_t features;
+};
+
struct dev_context {
+ struct sr_sw_limits limits;
+ unsigned int num_channels;
+ const struct scpi_command *cmdset;
+ char *response;
+ const char *mode1;
+ const char *mode2;
+ long range1;
+ long range2;
+ long autorng;
+ const char *rate;
+ long modifiers;
+ long trigmode;
};
-SR_PRIV int fluke_45_receive_data(int fd, int revents, void *cb_data);
+int get_reading_dd(char *reading, size_t size);
+
+SR_PRIV extern const struct fluke_scpi_dmm_model dmm_profiles[];
+
+SR_PRIV int fl45_scpi_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int fl45_scpi_get_response(const struct sr_dev_inst *sdi, char *cmd);
+SR_PRIV int fl45_get_status(const struct sr_dev_inst *sdi,
+ struct sr_datafeed_analog *analog, int idx);
+SR_PRIV int fl45_get_modifiers(const struct sr_dev_inst *sdi,
+ struct sr_datafeed_analog *analog, int idx);
#endif
projects / libsigrok.git / commitdiff