*/
#include <config.h>
+
+#include <fcntl.h>
+#include <glib.h>
+#include <math.h>
+#include <rpc/rpc.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
#include "protocol.h"
+#include "scpi.h"
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM
+};
+
+static const uint32_t devopts[] = {
+ SR_CONF_OSCILLOSCOPE,
+ SR_CONF_LOGIC_ANALYZER,
+ SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_TRIGGER_LEVEL | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_NUM_HDIV | SR_CONF_GET | SR_CONF_LIST,
+ SR_CONF_SAMPLERATE | SR_CONF_GET,
+ SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
+static const uint32_t analog_devopts[] = {
+ SR_CONF_NUM_VDIV | SR_CONF_GET,
+ SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_PROBE_FACTOR | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
+static const uint64_t timebases[][2] = {
+ /* nanoseconds */
+ { 1, 1000000000 },
+ { 2, 1000000000 },
+ { 5, 1000000000 },
+ { 10, 1000000000 },
+ { 20, 1000000000 },
+ { 50, 1000000000 },
+ { 100, 1000000000 },
+ { 200, 1000000000 },
+ { 500, 1000000000 },
+ /* microseconds */
+ { 1, 1000000 },
+ { 2, 1000000 },
+ { 5, 1000000 },
+ { 10, 1000000 },
+ { 20, 1000000 },
+ { 50, 1000000 },
+ { 100, 1000000 },
+ { 200, 1000000 },
+ { 500, 1000000 },
+ /* milliseconds */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* seconds */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
+};
+
+static const uint64_t vdivs[][2] = {
+ /* microvolts */
+ { 500, 100000 },
+ /* millivolts */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* volts */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
+ { 100, 1 },
+};
+
+#define NUM_TIMEBASE ARRAY_SIZE(timebases)
+#define NUM_VDIV ARRAY_SIZE(vdivs)
+
+static const char *trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "Ext",
+ "Ext /5",
+ "AC Line",
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ "D8",
+ "D9",
+ "D10",
+ "D11",
+ "D12",
+ "D13",
+ "D14",
+ "D15",
+};
+
+static const char *trigger_slopes[] = {
+ "Rising",
+ "Falling",
+};
+
+static const char *coupling[] = {
+ "A1M AC 1 Meg",
+ "A50 AC 50 Ohm",
+ "D1M DC 1 Meg",
+ "D50 DC 50 Ohm",
+ "GND",
+};
+
+static const uint64_t probe_factor[] = {
+ 1,
+ 2,
+ 5,
+ 10,
+ 20,
+ 50,
+ 100,
+ 200,
+ 500,
+ 1000,
+ 2000,
+ 5000,
+ 10000,
+};
+
+/* Do not change the order of entries */
+static const char *data_sources[] = {
+ "Display",
+ "History",
+};
+
+enum vendor {
+ SIGLENT,
+};
+
+enum series {
+ SDS1000CML,
+ SDS1000CNL,
+ SDS1000DL,
+ SDS1000X,
+ SDS1000XP,
+ SDS1000XE,
+ SDS2000X,
+};
+
+/* short name, full name, USB Name */
+static const struct siglent_sds_vendor supported_vendors[] = {
+ [SIGLENT] = {
+ "Siglent", "Siglent Technologies", "Siglent Technologies Co,. Ltd.",
+ },
+};
+
+#define VENDOR(x) &supported_vendors[x]
+/* vendor, series, protocol, max timebase, min vdiv, number of horizontal divs,
+ * number of vertical divs, live waveform samples, memory buffer samples */
+static const struct siglent_sds_series supported_series[] = {
+ [SDS1000CML] = {
+ VENDOR(SIGLENT), "SDS1000CML", NON_SPO_MODEL,
+ { 50, 1 },
+ { 2, 1000 }, 18, 8, 1400363,
+ },
+ [SDS1000CNL] = {
+ VENDOR(SIGLENT), "SDS1000CNL", NON_SPO_MODEL,
+ { 50, 1 },
+ { 2, 1000 }, 18, 8, 1400363,
+ },
+ [SDS1000DL] = {
+ VENDOR(SIGLENT), "SDS1000DL", NON_SPO_MODEL,
+ { 50, 1 },
+ { 2, 1000 }, 18, 8, 1400363,
+ },
+ [SDS1000X] = {
+ VENDOR(SIGLENT), "SDS1000X", SPO_MODEL,
+ { 50, 1 },
+ { 500, 100000 }, 14, 8, 14000363,
+ },
+ [SDS1000XP] = {
+ VENDOR(SIGLENT), "SDS1000X+", SPO_MODEL,
+ { 50, 1 },
+ { 500, 100000 }, 14, 8, 14000363,
+ },
+ [SDS1000XE] = {
+ VENDOR(SIGLENT), "SDS1000XE", SPO_MODEL,
+ { 50, 1 },
+ { 500, 100000 }, 14, 8, 14000363,
+ },
+ [SDS2000X] = {
+ VENDOR(SIGLENT), "SDS2000X", SPO_MODEL,
+ { 50, 1 },
+ { 500, 100000 }, 14, 8, 14000363,
+ },
+};
+
+#define SERIES(x) &supported_series[x]
+/* series, model, min timebase, analog channels, digital */
+static const struct siglent_sds_model supported_models[] = {
+ { SERIES(SDS1000CML), "SDS1152CML",
+ { 20, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000CML), "SDS1102CML",
+ { 10, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000CML), "SDS1072CML",
+ { 5, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000CNL), "SDS1202CNL",
+ { 20, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000CNL), "SDS1102CNL",
+ { 10, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000CNL), "SDS1072CNL",
+ { 5, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000DL), "SDS1202DL",
+ { 20, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000DL), "SDS1102DL",
+ { 10, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000DL), "SDS1022DL",
+ { 5, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000DL), "SDS1052DL",
+ { 5, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000X), "SDS1102X",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000XP), "SDS1102X+",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000X), "SDS1202X",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000XP), "SDS1202X+",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000XE), "SDS1202X-E",
+ { 1, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS1000XE), "SDS1104X-E",
+ { 1, 1000000000 }, 4, true, 16 },
+ { SERIES(SDS1000XE), "SDS1204X-E",
+ { 1, 1000000000 }, 4, true, 16 },
+ { SERIES(SDS2000X), "SDS2072X",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS2000X), "SDS2074X",
+ { 2, 1000000000 }, 4, false, 0 },
+ { SERIES(SDS2000X), "SDS2102X",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS2000X), "SDS2104X",
+ { 2, 1000000000 }, 4, false, 0 },
+ { SERIES(SDS2000X), "SDS2202X",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS2000X), "SDS2204X",
+ { 2, 1000000000 }, 4, false, 0 },
+ { SERIES(SDS2000X), "SDS2302X",
+ { 2, 1000000000 }, 2, false, 0 },
+ { SERIES(SDS2000X), "SDS2304X",
+ { 2, 1000000000 }, 4, false, 0 },
+};
+
+SR_PRIV struct sr_dev_driver siglent_sds_driver_info;
+
+static void clear_helper(void *priv)
+{
+ struct dev_context *devc;
+
+ devc = priv;
+ if (!devc)
+ return;
+ g_free(devc->analog_groups);
+ g_free(devc->enabled_channels);
+}
+
+static int dev_clear(const struct sr_dev_driver *di)
+{
+
+ return std_dev_clear_with_callback(di, clear_helper);
+}
+
+static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
- struct drv_context *drvc;
- GSList *devices;
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ struct sr_scpi_hw_info *hw_info;
+ struct sr_channel *ch;
+ unsigned int i;
+ const struct siglent_sds_model *model;
+ gchar *channel_name;
+
+ sr_info("Device probing decode...");
- (void)options;
+ /* Setting communication Header Format to OFF*/
+ sr_dbg("Setting Communication Headers to off");
+ if (sr_scpi_send(scpi, "CHDR OFF") != SR_OK)
+ return NULL;
- devices = NULL;
- drvc = di->context;
- drvc->instances = NULL;
+ 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;
+ }
+ }
+
+ model = NULL;
+ for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
+ if (!strcmp(hw_info->model, supported_models[i].name)) {
+ model = &supported_models[i];
+ break;
+ }
+ }
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ sr_info("Decoded Manufacturer: %s", hw_info->manufacturer);
+ sr_info("Decoded Model: %s", hw_info->model);
- return devices;
+ if (!model) {
+ sr_scpi_hw_info_free(hw_info);
+ return NULL;
+ }
+
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sr_dbg("Setting Device Instance Vendor: %s", model->series->vendor->name);
+ sdi->vendor = g_strdup(model->series->vendor->name);
+ sr_dbg("Setting Device Instance model: %s", model->name);
+ sdi->model = g_strdup(model->name);
+ sr_dbg("Setting Device Instance version: %s", hw_info->firmware_version);
+ sdi->version = g_strdup(hw_info->firmware_version);
+ sdi->conn = scpi;
+ sdi->driver = &siglent_sds_driver_info;
+ sr_dbg("Setting Device Instance inst_type: SCPI");
+ sdi->inst_type = SR_INST_SCPI;
+ sdi->serial_num = g_strdup(hw_info->serial_number);
+ devc = g_malloc0(sizeof(struct dev_context));
+ devc->limit_frames = 1;
+ devc->model = model;
+ sr_dbg("Setting device Context model: %s", devc->model->name);
+
+ sr_scpi_hw_info_free(hw_info);
+
+ devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group *) *
+ model->analog_channels);
+
+ for (i = 0; i < model->analog_channels; i++) {
+ channel_name = g_strdup_printf("CH%d", i + 1);
+ ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_name);
+
+ devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
+
+ devc->analog_groups[i]->name = channel_name;
+ devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
+ sdi->channel_groups = g_slist_append(sdi->channel_groups,
+ devc->analog_groups[i]);
+ }
+
+ if (devc->model->has_digital) {
+ devc->digital_group = g_malloc0(sizeof(struct sr_channel_group));
+
+ for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
+ channel_name = g_strdup_printf("D%d", i);
+ ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
+ g_free(channel_name);
+ devc->digital_group->channels = g_slist_append(
+ devc->digital_group->channels, ch);
+ }
+ devc->digital_group->name = g_strdup("LA");
+ sdi->channel_groups = g_slist_append(sdi->channel_groups,
+ devc->digital_group);
+ }
+
+ for (i = 0; i < NUM_TIMEBASE; i++) {
+ if (!memcmp(&devc->model->min_timebase, &timebases[i], sizeof(uint64_t[2])))
+ devc->timebases = &timebases[i];
+
+ if (!memcmp(&devc->model->series->max_timebase, &timebases[i], sizeof(uint64_t[2])))
+ devc->num_timebases = &timebases[i] - devc->timebases + 1;
+ }
+
+ for (i = 0; i < NUM_VDIV; i++) {
+ devc->vdivs = &vdivs[i];
+ if (!memcmp(&devc->model->series->min_vdiv,
+ &vdivs[i], sizeof(uint64_t[2]))) {
+ devc->vdivs = &vdivs[i];
+ devc->num_vdivs = NUM_VDIV - i;
+ break;
+ }
+ }
+
+ devc->buffer = g_malloc(devc->model->series->buffer_samples);
+ sr_dbg("Setting device Context buffer Size: %i", devc->model->series->buffer_samples);
+ devc->data = g_malloc(devc->model->series->buffer_samples * sizeof(float));
+
+ devc->data_source = DATA_SOURCE_SCREEN;
+
+ sdi->priv = devc;
+
+ return sdi;
+}
+
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+
+ // TODO implement RPC call for LXI device discovery.
+ return sr_scpi_scan(di->context, options, probe_device);
}
static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ int ret;
+ struct sr_scpi_dev_inst *scpi = sdi->conn;
+
+ if ((ret = sr_scpi_open(scpi)) < 0) {
+ sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
+ return SR_ERR;
+ }
- /* TODO: get handle from sdi->conn and open it. */
+ if ((ret = siglent_sds_get_dev_cfg(sdi)) < 0) {
+ sr_err("Failed to get device config: %s.", sr_strerror(ret));
+ return SR_ERR;
+ }
+
+ sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
static int dev_close(struct sr_dev_inst *sdi)
{
- (void)sdi;
- /* TODO: get handle from sdi->conn and close it. */
-
- return SR_OK;
+ return sr_scpi_close(sdi->conn);
}
+
static int config_get(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc;
+ struct sr_channel *ch;
+ const char *tmp_str;
+ int analog_channel = -1;
+ float smallest_diff = INFINITY;
+ int idx = -1;
+ unsigned i;
- (void)sdi;
- (void)data;
- (void)cg;
+ if (!sdi)
+ return SR_ERR_ARG;
+
+ devc = sdi->priv;
+
+ /* If a channel group is specified, it must be a valid one. */
+ if (cg && !g_slist_find(sdi->channel_groups, cg)) {
+ sr_err("Invalid channel group specified.");
+ return SR_ERR;
+ }
+
+ if (cg) {
+ ch = g_slist_nth_data(cg->channels, 0);
+ if (!ch)
+ return SR_ERR;
+ if (ch->type == SR_CHANNEL_ANALOG) {
+ if (ch->name[2] < '1' || ch->name[2] > '4')
+ return SR_ERR;
+ analog_channel = ch->name[2] - '1';
+ }
+ }
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_NUM_HDIV:
+ *data = g_variant_new_int32(devc->model->series->num_horizontal_divs);
+ break;
+ case SR_CONF_NUM_VDIV:
+ *data = g_variant_new_int32(devc->num_vdivs);
+ break;
+ case SR_CONF_LIMIT_FRAMES:
+ *data = g_variant_new_uint64(devc->limit_frames);
+ break;
+ case SR_CONF_DATA_SOURCE:
+ if (devc->data_source == DATA_SOURCE_SCREEN)
+ *data = g_variant_new_string("Screen");
+ else if (devc->data_source == DATA_SOURCE_HISTORY)
+ *data = g_variant_new_string("History");
+ break;
+ case SR_CONF_SAMPLERATE:
+ siglent_sds_get_dev_cfg_horizontal(sdi);
+ *data = g_variant_new_uint64(devc->sampleRate);
+ sr_dbg("Sample rate set to %f", devc->sampleRate);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!strcmp(devc->trigger_source, "ACL"))
+ tmp_str = "AC Line";
+ else if (!strcmp(devc->trigger_source, "CHAN1"))
+ tmp_str = "CH1";
+ else if (!strcmp(devc->trigger_source, "CHAN2"))
+ tmp_str = "CH2";
+ else
+ tmp_str = devc->trigger_source;
+ *data = g_variant_new_string(tmp_str);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ if (!strncmp(devc->trigger_slope, "POS", 3)) {
+ tmp_str = "r";
+ } else if (!strncmp(devc->trigger_slope, "NEG", 3)) {
+ tmp_str = "f";
+ } else {
+ sr_dbg("Unknown trigger slope: '%s'.", devc->trigger_slope);
+ return SR_ERR_NA;
+ }
+ *data = g_variant_new_string(tmp_str);
+ break;
+ case SR_CONF_TRIGGER_LEVEL:
+ *data = g_variant_new_double(devc->trigger_level);
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ *data = g_variant_new_double(devc->horiz_triggerpos);
+ break;
+ case SR_CONF_TIMEBASE:
+ for (i = 0; i < devc->num_timebases; i++) {
+ float tb, diff;
+
+ tb = (float)devc->timebases[i][0] / devc->timebases[i][1];
+ diff = fabs(devc->timebase - tb);
+ if (diff < smallest_diff) {
+ smallest_diff = diff;
+ idx = i;
+ }
+ }
+ if (idx < 0) {
+ sr_dbg("Negative timebase index: %d.", idx);
+ return SR_ERR_NA;
+ }
+ *data = g_variant_new("(tt)", devc->timebases[idx][0],
+ devc->timebases[idx][1]);
+ break;
+ case SR_CONF_VDIV:
+ if (analog_channel < 0) {
+ sr_dbg("Negative analog channel: %d.", analog_channel);
+ return SR_ERR_NA;
+ }
+ for (i = 0; i < ARRAY_SIZE(vdivs); i++) {
+ float vdiv, diff;
+
+ vdiv = (float)vdivs[i][0] / vdivs[i][1];
+ diff = fabsf(devc->vdiv[analog_channel] - vdiv);
+ if (diff < smallest_diff) {
+ smallest_diff = diff;
+ idx = i;
+ }
+ }
+ if (idx < 0) {
+ sr_dbg("Negative vdiv index: %d.", idx);
+ return SR_ERR_NA;
+ }
+ *data = g_variant_new("(tt)", vdivs[idx][0], vdivs[idx][1]);
+ break;
+ case SR_CONF_COUPLING:
+ if (analog_channel < 0) {
+ sr_dbg("Negative analog channel: %d.", analog_channel);
+ return SR_ERR_NA;
+ }
+ *data = g_variant_new_string(devc->coupling[analog_channel]);
+ break;
+ case SR_CONF_PROBE_FACTOR:
+ if (analog_channel < 0) {
+ sr_dbg("Negative analog channel: %d.", analog_channel);
+ return SR_ERR_NA;
+ }
+ *data = g_variant_new_uint64(devc->attenuation[analog_channel]);
+ break;
default:
return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
+ struct dev_context *devc;
+ uint64_t p, q;
+ double t_dbl;
+ unsigned int i, j;
int ret;
+ const char *tmp_str;
+ char buffer[16];
- (void)sdi;
- (void)data;
- (void)cg;
+ devc = sdi->priv;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ /* If a channel group is specified, it must be a valid one. */
+ if (cg && !g_slist_find(sdi->channel_groups, cg)) {
+ sr_err("Invalid channel group specified.");
+ return SR_ERR;
+ }
ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_LIMIT_FRAMES:
+ devc->limit_frames = g_variant_get_uint64(data);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ tmp_str = g_variant_get_string(data, NULL);
+ g_free(devc->trigger_slope);
+ ret = siglent_sds_config_set(sdi, "%s:TRSL %s", devc->trigger_source, devc->trigger_slope);
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ t_dbl = g_variant_get_double(data);
+ if (t_dbl < 0.0 || t_dbl > 1.0) {
+ sr_err("Invalid horiz. trigger position: %g.", t_dbl);
+ return SR_ERR;
+ }
+ devc->horiz_triggerpos = t_dbl;
+ /* We have the trigger offset as a percentage of the frame, but
+ * need to express this in seconds. */
+ t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * devc->num_timebases;
+ g_ascii_formatd(buffer, sizeof(buffer), "%.6f", t_dbl);
+ ret = siglent_sds_config_set(sdi, ":TIM:OFFS %s", buffer);
+ break;
+ case SR_CONF_TRIGGER_LEVEL:
+ t_dbl = g_variant_get_double(data);
+ g_ascii_formatd(buffer, sizeof(buffer), "%.3f", t_dbl);
+ ret = siglent_sds_config_set(sdi, ":TRIG:EDGE:LEV %s", buffer);
+ if (ret == SR_OK)
+ devc->trigger_level = t_dbl;
+ break;
+ case SR_CONF_TIMEBASE:
+ sr_dbg("Setting device Timebase");
+ g_variant_get(data, "(tt)", &p, &q);
+ for (i = 0; i < devc->num_timebases; i++) {
+ char *cmd;
+ if (devc->timebases[i][0] == p && devc->timebases[i][1] == q) {
+ cmd = "";
+ devc->timebase = (float) p / q;
+ switch (q) {
+ case 1:
+ cmd = g_strdup_printf("%luS", p);
+ break;
+ case 1000:
+ cmd = g_strdup_printf("%luMS", p);
+ break;
+ case 1000000:
+ cmd = g_strdup_printf("%luUS", p);
+ break;
+ case 100000000:
+ cmd = g_strdup_printf("%luNS", p);
+ break;
+ }
+ sr_dbg("Setting device Timebase: TDIV %s", cmd);
+ ret = siglent_sds_config_set(sdi, "TDIV %s", cmd);
+ break;
+ }
+ }
+ if (i == devc->num_timebases) {
+ sr_err("Invalid timebase index: %d.", i);
+ ret = SR_ERR_ARG;
+ }
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ tmp_str = g_variant_get_string(data, NULL);
+ for (i = 0; i < ARRAY_SIZE(trigger_sources); i++) {
+ if (!strcmp(trigger_sources[i], tmp_str)) {
+ g_free(devc->trigger_source);
+ devc->trigger_source = g_strdup(trigger_sources[i]);
+ if (!strcmp(devc->trigger_source, "AC Line"))
+ tmp_str = "LINE";
+ else if (!strcmp(devc->trigger_source, "CH1"))
+ tmp_str = "C1";
+ else if (!strcmp(devc->trigger_source, "CH2"))
+ tmp_str = "C2";
+ else if (!strcmp(devc->trigger_source, "CH3"))
+ tmp_str = "C3";
+ else if (!strcmp(devc->trigger_source, "CH4"))
+ tmp_str = "C4";
+ else if (!strcmp(devc->trigger_source, "Ext"))
+ tmp_str = "EX";
+ else if (!strcmp(devc->trigger_source, "Ext /5"))
+ tmp_str = "EX5";
+ else
+ tmp_str = (char *) devc->trigger_source;
+ ret = siglent_sds_config_set(sdi, "TRSE EDGE,SR,%s,OFF", tmp_str);
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(trigger_sources)) {
+ sr_err("Invalid trigger source index: %d.", i);
+ ret = SR_ERR_ARG;
+ }
+ break;
+ case SR_CONF_VDIV:
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ g_variant_get(data, "(tt)", &p, &q);
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ char *cmd;
+ if (cg == devc->analog_groups[i]) {
+ for (j = 0; j < ARRAY_SIZE(vdivs); j++) {
+ if (vdivs[j][0] != p || vdivs[j][1] != q)
+ continue;
+ cmd = "";
+ switch (q) {
+ case 1:
+ cmd = g_strdup_printf("%luV", p);
+ break;
+ case 1000:
+ cmd = g_strdup_printf("%luMV", p);
+ break;
+ case 100000:
+ cmd = g_strdup_printf("%luUV", p);
+ break;
+ }
+ return siglent_sds_config_set(sdi, "C%d:VDIV %s", i + 1,
+ cmd);
+ }
+ sr_err("Invalid vdiv index: %d.", j);
+ return SR_ERR_ARG;
+ }
+ }
+ sr_dbg("Didn't set vdiv, unknown channel(group).");
+ return SR_ERR_NA;
+ case SR_CONF_COUPLING:
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ tmp_str = g_variant_get_string(data, NULL);
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ char cmd[4];
+ if (cg == devc->analog_groups[i]) {
+ for (j = 0; j < ARRAY_SIZE(coupling); j++) {
+ if (!strcmp(tmp_str, coupling[j])) {
+ g_free(devc->coupling[i]);
+ devc->coupling[i] = g_strdup(coupling[j]);
+ strncpy(cmd, devc->coupling[i], 3);
+ cmd[3] = 0;
+ return siglent_sds_config_set(sdi, "C%d:CPL %s", i + 1,
+ cmd);
+ }
+ }
+ sr_err("Invalid coupling index: %d.", j);
+ return SR_ERR_ARG;
+ }
+ }
+ sr_dbg("Didn't set coupling, unknown channel(group).");
+ return SR_ERR_NA;
+ case SR_CONF_PROBE_FACTOR:
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ p = g_variant_get_uint64(data);
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ if (cg == devc->analog_groups[i]) {
+ for (j = 0; j < ARRAY_SIZE(probe_factor); j++) {
+ if (p == probe_factor[j]) {
+ devc->attenuation[i] = p;
+ ret = siglent_sds_config_set(sdi, "C%d:ATTN %"PRIu64,
+ i + 1, p);
+ if (ret == SR_OK)
+ siglent_sds_get_dev_cfg_vertical(sdi);
+ return ret;
+ }
+ }
+ sr_err("Invalid probe factor: %"PRIu64".", p);
+ return SR_ERR_ARG;
+ }
+ }
+ sr_dbg("Didn't set probe factor, unknown channel(group).");
+ return SR_ERR_NA;
+ case SR_CONF_DATA_SOURCE:
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!strcmp(tmp_str, "Display"))
+ devc->data_source = DATA_SOURCE_SCREEN;
+ else if (devc->model->series->protocol >= SPO_MODEL
+ && !strcmp(tmp_str, "History"))
+ devc->data_source = DATA_SOURCE_HISTORY;
+ else {
+ sr_err("Unknown data source: '%s'.", tmp_str);
+ return SR_ERR;
+ }
+ break;
+ case SR_CONF_SAMPLERATE:
+ siglent_sds_get_dev_cfg_horizontal(sdi);
+ data = g_variant_new_uint64(devc->sampleRate);
+ break;
default:
- ret = SR_ERR_NA;
+ return SR_ERR_NA;
}
return ret;
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ GVariant *tuple, *rational[2];
+ GVariantBuilder gvb;
+ unsigned int i;
+ struct dev_context *devc = NULL;
+
+ if (key == SR_CONF_SCAN_OPTIONS) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
+ return SR_OK;
+ } else if (key == SR_CONF_DEVICE_OPTIONS && !cg) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
+ return SR_OK;
+ }
- (void)sdi;
- (void)data;
- (void)cg;
+ /* Every other option requires a valid device instance. */
+ if (!sdi)
+ return SR_ERR_ARG;
+ devc = sdi->priv;
+
+ /* If a channel group is specified, it must be a valid one. */
+ if (cg && !g_slist_find(sdi->channel_groups, cg)) {
+ sr_err("Invalid channel group specified.");
+ return SR_ERR;
+ }
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_DEVICE_OPTIONS:
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ if (cg == devc->digital_group) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ NULL, 0, sizeof(uint32_t));
+ return SR_OK;
+ } else {
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ if (cg == devc->analog_groups[i]) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ analog_devopts, ARRAY_SIZE(analog_devopts), sizeof(uint32_t));
+ return SR_OK;
+ }
+ }
+ return SR_ERR_NA;
+ }
+ break;
+ case SR_CONF_COUPLING:
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
+ break;
+ case SR_CONF_PROBE_FACTOR:
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
+ probe_factor, ARRAY_SIZE(probe_factor), sizeof(uint64_t));
+ break;
+ case SR_CONF_VDIV:
+ if (!devc)
+ /* Can't know this until we have the exact model. */
+ return SR_ERR_ARG;
+ if (!cg) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < devc->num_vdivs; i++) {
+ rational[0] = g_variant_new_uint64(devc->vdivs[i][0]);
+ rational[1] = g_variant_new_uint64(devc->vdivs[i][1]);
+ tuple = g_variant_new_tuple(rational, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_TIMEBASE:
+ if (!devc)
+ /* Can't know this until we have the exact model. */
+ return SR_ERR_ARG;
+ if (devc->num_timebases <= 0)
+ return SR_ERR_NA;
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < devc->num_timebases; i++) {
+ rational[0] = g_variant_new_uint64(devc->timebases[i][0]);
+ rational[1] = g_variant_new_uint64(devc->timebases[i][1]);
+ tuple = g_variant_new_tuple(rational, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!devc)
+ /* Can't know this until we have the exact model. */
+ return SR_ERR_ARG;
+ *data = g_variant_new_strv(trigger_sources,
+ devc->model->has_digital ? ARRAY_SIZE(trigger_sources) : 5);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ *data = g_variant_new_strv(trigger_slopes, ARRAY_SIZE(trigger_slopes));
+ break;
+ case SR_CONF_DATA_SOURCE:
+ if (!devc)
+ /* Can't know this until we have the exact model. */
+ return SR_ERR_ARG;
+ switch (devc->model->series->protocol) {
+ // TODO check what must be done here for the data source buffer sizes
+ case NON_SPO_MODEL:
+ *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources) - 1);
+ break;
+ case SPO_MODEL:
+ *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
+ break;
+ }
+ break;
+ case SR_CONF_NUM_HDIV:
+ *data = g_variant_new_int32(devc->model->series->num_horizontal_divs);
+ break;
+ case SR_CONF_AVERAGING:
+ //TODO implement averaging.
+ break;
default:
return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
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;
+ struct sr_channel *ch;
+ struct sr_datafeed_packet packet;
+ gboolean some_digital;
+ GSList *l;
+ GSList *d;
- (void)sdi;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ scpi = sdi->conn;
+ devc = sdi->priv;
+
+ devc->num_frames = 0;
+ some_digital = FALSE;
+
+ /* Check if there are any logic channels enabled, if so then enable de MSO, otherwise skip the digital channel setup */
+ /* enable and disable channels on the device is very slow and it is faster when checked in a small loop without the actual actions */
+ for (d = sdi->channels; d; d = d->next) {
+ ch = d->data;
+ if (ch->type == SR_CHANNEL_LOGIC && ch->enabled) {
+ some_digital = TRUE;
+ }
+ }
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ sr_dbg("handling channel %s", ch->name);
+ if (ch->type == SR_CHANNEL_ANALOG) {
+ if (ch->enabled)
+ devc->enabled_channels = g_slist_append(
+ devc->enabled_channels, ch);
+ if (ch->enabled != devc->analog_channels[ch->index]) {
+ /* Enabled channel is currently disabled, or vice versa. */
+ if (siglent_sds_config_set(sdi, "C%d:TRA %s", ch->index + 1,
+ ch->enabled ? "ON" : "OFF") != SR_OK)
+ return SR_ERR;
+ devc->analog_channels[ch->index] = ch->enabled;
+ }
+ } else if (ch->type == SR_CHANNEL_LOGIC && some_digital) {
+ if (ch->enabled) {
+ /* Turn on LA module if currently off and digital channels are enabled. */
+ if (!devc->la_enabled) {
+ if (siglent_sds_config_set(sdi, "DGST ON") != SR_OK)
+ return SR_ERR;
+ g_usleep(630000);
+ devc->la_enabled = TRUE;
+ }
+ devc->enabled_channels = g_slist_append(
+ devc->enabled_channels, ch);
+ }
+ /* Enabled channel is currently disabled, or vice versa. */
+ if (siglent_sds_config_set(sdi, "D%d:DGCH %s", ch->index,
+ ch->enabled ? "ON" : "OFF") != SR_OK)
+ return SR_ERR;
+ /* Slowing the command sequence down to let the device handle it */
+ g_usleep(630000);
+ devc->digital_channels[ch->index] = ch->enabled;
+ }
+ }
+ if (!devc->enabled_channels)
+ return SR_ERR;
+ /* Turn off LA module if on and no digital channels selected. */
+ if (devc->la_enabled && !some_digital)
+ if (siglent_sds_config_set(sdi, "DGST OFF") != SR_OK) {
+ devc->la_enabled = FALSE;
+ g_usleep(500000);
+ return SR_ERR;
+ }
+
+ // devc->analog_frame_size = devc->model->series->buffer_samples;
+ // devc->digital_frame_size = devc->model->series->buffer_samples;
+
+ switch (devc->model->series->protocol) {
+ case SPO_MODEL:
+ if (siglent_sds_config_set(sdi, "WFSU SP,0,TYPE,1") != SR_OK)
+ return SR_ERR;
+ if (siglent_sds_config_set(sdi, "ACQW SAMPLING") != SR_OK)
+ return SR_ERR;
+ break;
+ case NON_SPO_MODEL:
+ //TODO implement CML/CNL/DL models
+ if (siglent_sds_config_set(sdi, "WFSU SP,0,TYPE,1") != SR_OK)
+ return SR_ERR;
+ if (siglent_sds_config_set(sdi, "ACQW SAMPLING") != SR_OK)
+ return SR_ERR;
+ break;
+ default:
+ break;
+ }
+
+ sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
+ siglent_sds_receive, (void *) sdi);
+
+ std_session_send_df_header(sdi);
+
+ devc->channel_entry = devc->enabled_channels;
+
+ if (siglent_sds_capture_start(sdi) != SR_OK)
+ return SR_ERR;
+
+ /* Start of first frame. */
+ packet.type = SR_DF_FRAME_BEGIN;
+ sr_session_send(sdi, &packet);
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- /* TODO: stop acquisition. */
+ struct dev_context *devc;
+ struct sr_scpi_dev_inst *scpi;
+
+ devc = sdi->priv;
+
+ if (sdi->status != SR_ST_ACTIVE) {
+ sr_err("Device inactive, can't stop acquisition.");
+ return SR_ERR;
+ }
+
+ std_session_send_df_end(sdi);
- (void)sdi;
+ g_slist_free(devc->enabled_channels);
+ devc->enabled_channels = NULL;
+ scpi = sdi->conn;
+ sr_scpi_source_remove(sdi->session, scpi);
return SR_OK;
}
SR_PRIV struct sr_dev_driver siglent_sds_driver_info = {
.name = "siglent-sds",
- .longname = "siglent-sds",
+ .longname = "Siglent SDS1000/SDS2000 Series",
.api_version = 1,
.init = std_init,
.cleanup = std_cleanup,
.scan = scan,
.dev_list = std_dev_list,
- .dev_clear = std_dev_clear,
+ .dev_clear = dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
/*
* This file is part of the libsigrok project.
*
- * Copyright (C) 2018 mhooijboer <marchelh@gmail.com>
+ * Siglent implementation:
+ * Copyright (C) 2016 mhooijboer <marchelh@gmail.com>
+ *
+ * The Siglent implementation is based on Rigol driver sources, which are:
+ * Copyright (C) 2012 Martin Ling <martin-git@earth.li>
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2013 Mathias Grimmberger <mgri@zaphod.sax.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#define _GNU_SOURCE
+
#include <config.h>
+
+#include <errno.h>
+#include <glib.h>
+#include <glib-2.0/glib/gmacros.h>
+#include <glib-2.0/glib/gmain.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+#include "scpi.h"
#include "protocol.h"
-SR_PRIV int siglent_sds_receive_data(int fd, int revents, void *cb_data)
+/* Set the next event to wait for in siglent_sds_receive */
+static void siglent_sds_set_wait_event(struct dev_context *devc, enum wait_events event)
+{
+
+ if (event == WAIT_STOP) {
+ devc->wait_status = 2;
+ } else {
+ devc->wait_status = 1;
+ devc->wait_event = event;
+ }
+}
+
+/*
+ * Waiting for a event will return a timeout after 2 to 3 seconds in order
+ * to not block the application.
+ */
+static int siglent_sds_event_wait(const struct sr_dev_inst *sdi)
+{
+ char *buf;
+ long s;
+ int out;
+ struct dev_context *devc;
+ time_t start;
+
+ if (!(devc = sdi->priv))
+ return SR_ERR;
+
+ start = time(NULL);
+
+ s = 10000; /* Sleep time for status refresh */
+ if (devc->wait_status == 1) {
+ do {
+ if (time(NULL) - start >= 3) {
+ sr_dbg("Timeout waiting for trigger");
+ return SR_ERR_TIMEOUT;
+ }
+
+ if (sr_scpi_get_string(sdi->conn, ":INR?", &buf) != SR_OK)
+ return SR_ERR;
+ sr_atoi(buf, &out);
+ g_usleep(s);
+ } while (out == 0);
+ sr_dbg("Device triggerd");
+ if (devc->timebase < 0.51) {
+ if (devc->timebase > 0.99e-6) {
+ /*
+ * Timebase * num hor. divs * 85(%) * 1e6(usecs) / 100
+ * -> 85 percent of sweep time
+ */
+ s = (devc->timebase * devc->model->series->num_horizontal_divs * 1000);
+ sr_spew("Sleeping for %ld usecs after trigger, to let the acq buffer in the device fill", s);
+ g_usleep(s);
+ }
+
+ }
+ }
+ if (devc->wait_status == 2) {
+ do {
+ if (time(NULL) - start >= 3) {
+ sr_dbg("Timeout waiting for trigger");
+ return SR_ERR_TIMEOUT;
+ }
+ if (sr_scpi_get_string(sdi->conn, ":INR?", &buf) != SR_OK)
+ return SR_ERR;
+ sr_atoi(buf, &out);
+ g_usleep(s);
+ /* XXX
+ * Now this loop condition looks suspicious! A bitwise
+ * OR of a variable and a non-zero literal should be
+ * non-zero. Logical AND of several non-zero values
+ * should be non-zero. Are many parts of the condition
+ * not taking effect? Was some different condition meant
+ * to get encoded? This needs review, and adjustment.
+ */
+ } while ((out | DEVICE_STATE_TRIG_RDY && out | DEVICE_STATE_DATA_ACQ) && out | DEVICE_STATE_STOPPED);
+ sr_dbg("Device triggerd 2");
+ siglent_sds_set_wait_event(devc, WAIT_NONE);
+ }
+
+ return SR_OK;
+}
+
+static int siglent_sds_trigger_wait(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+
+ if (!(devc = sdi->priv))
+ return SR_ERR;
+ return siglent_sds_event_wait(sdi);
+}
+
+/* Wait for scope to got to "Stop" in single shot mode */
+static int siglent_sds_stop_wait(const struct sr_dev_inst *sdi)
+{
+
+ return siglent_sds_event_wait(sdi);
+}
+
+/* Send a configuration setting. */
+SR_PRIV int siglent_sds_config_set(const struct sr_dev_inst *sdi, const char *format, ...)
+{
+ va_list args;
+ int ret;
+
+ va_start(args, format);
+ ret = sr_scpi_send_variadic(sdi->conn, format, args);
+ va_end(args);
+
+ if (ret != SR_OK) {
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+/* Start capturing a new frameset */
+SR_PRIV int siglent_sds_capture_start(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+
+ if (!(devc = sdi->priv))
+ return SR_ERR;
+
+ switch (devc->model->series->protocol) {
+ case SPO_MODEL:
+ if (devc->data_source == DATA_SOURCE_SCREEN) {
+ char *buf;
+ int out;
+
+ sr_dbg("Starting data capture for active frameset %" PRIu64 " of %" PRIu64,
+ devc->num_frames + 1, devc->limit_frames);
+ if (siglent_sds_config_set(sdi, "ARM") != SR_OK)
+ return SR_ERR;
+ if (sr_scpi_get_string(sdi->conn, ":INR?", &buf) != SR_OK)
+ return SR_ERR;
+ sr_atoi(buf, &out);
+ if (out == DEVICE_STATE_TRIG_RDY) {
+ siglent_sds_set_wait_event(devc, WAIT_TRIGGER);
+ } else if (out == DEVICE_STATE_TRIG_RDY + 1) {
+ sr_spew("Device Triggerd");
+ siglent_sds_set_wait_event(devc, WAIT_BLOCK);
+ return SR_OK;
+ } else {
+ sr_spew("Device did not enter ARM mode");
+ return SR_ERR;
+ }
+ } else { //TODO implement History retrieval
+ unsigned int framecount;
+ char buf[200];
+ int ret;
+
+ sr_dbg("Starting data capture for history frameset");
+ if (siglent_sds_config_set(sdi, "FPAR?") != SR_OK)
+ return SR_ERR;
+ ret = sr_scpi_read_data(sdi->conn, buf, 200);
+ if (ret < 0) {
+ sr_err("Read error while reading data header.");
+ return SR_ERR;
+ }
+ memcpy(&framecount, buf + 40, 4);
+ if (devc->limit_frames > framecount) {
+ sr_err("Frame limit higher that frames in buffer of device!");
+ } else if (devc->limit_frames == 0) {
+ devc->limit_frames = framecount;
+ }
+ sr_dbg("Starting data capture for history frameset %" PRIu64 " of %" PRIu64,
+ devc->num_frames + 1, devc->limit_frames);
+ if (siglent_sds_config_set(sdi, "FRAM %i", devc->num_frames + 1) != SR_OK)
+ return SR_ERR;
+ if (siglent_sds_channel_start(sdi) != SR_OK)
+ return SR_ERR;
+ siglent_sds_set_wait_event(devc, WAIT_STOP);
+ }
+ break;
+ case NON_SPO_MODEL:
+ siglent_sds_set_wait_event(devc, WAIT_TRIGGER);
+ break;
+ }
+
+ return SR_OK;
+}
+
+/* Start reading data from the current channel */
+SR_PRIV int siglent_sds_channel_start(const struct sr_dev_inst *sdi)
{
- const struct sr_dev_inst *sdi;
struct dev_context *devc;
+ struct sr_channel *ch;
+
+ if (!(devc = sdi->priv))
+ return SR_ERR;
+
+ ch = devc->channel_entry->data;
+
+ sr_dbg("Starting reading data from channel %d", ch->index + 1);
+
+ switch (devc->model->series->protocol) {
+ case NON_SPO_MODEL:
+ case SPO_MODEL:
+ if (ch->type == SR_CHANNEL_LOGIC) {
+ if (sr_scpi_send(sdi->conn, "D%d:WF?",
+ ch->index + 1) != SR_OK)
+ return SR_ERR;
+ } else {
+ if (sr_scpi_send(sdi->conn, "C%d:WF? ALL",
+ ch->index + 1) != SR_OK)
+ return SR_ERR;
+ }
+ siglent_sds_set_wait_event(devc, WAIT_NONE);
+ break;
+ }
+
+ siglent_sds_set_wait_event(devc, WAIT_BLOCK);
+
+ devc->num_channel_bytes = 0;
+ devc->num_header_bytes = 0;
+ devc->num_block_bytes = 0;
+
+ return SR_OK;
+}
+
+/* Read the header of a data block */
+static int siglent_sds_read_header(struct sr_dev_inst *sdi, int channelIndex)
+{
+ struct sr_scpi_dev_inst *scpi = sdi->conn;
+ struct dev_context *devc = sdi->priv;
+ char *buf = (char *)devc->buffer;
+ int ret;
+ int descLength;
+ int blockOffset = 15; // Offset for Descriptor block.
+ long dataLength = 0;
+
+ /* Read header from device */
+ ret = sr_scpi_read_data(scpi, buf + devc->num_header_bytes, devc->model->series->buffer_samples);
+ if (ret < 346) {
+ sr_err("Read error while reading data header.");
+ return SR_ERR;
+ }
+ sr_dbg("Device returned %i bytes", ret);
+ devc->num_header_bytes += ret;
+ buf += blockOffset; //Skip to start Descriptor block
+
+ // Parse WaveDescriptor Header
+ memcpy(&descLength, buf + 36, 4); // Descriptor block length
+ memcpy(&dataLength, buf + 60, 4); // Data block length
+
+ devc->vdiv[channelIndex] = 2;
+ devc->vert_offset[channelIndex] = 0;
+ devc->blockHeaderSize = descLength + 15;
+ ret = dataLength;
+ sr_dbg("Received data block header: '%s' -> block length %d", buf, ret);
+ return ret;
+}
+
+SR_PRIV int siglent_sds_receive(int fd, int revents, void *cb_data)
+{
+ struct sr_dev_inst *sdi;
+ struct sr_scpi_dev_inst *scpi;
+ struct dev_context *devc;
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_analog analog;
+ struct sr_analog_encoding encoding;
+ struct sr_analog_meaning meaning;
+ struct sr_analog_spec spec;
+ struct sr_datafeed_logic logic;
+ int len, i;
+ struct sr_channel *ch;
+ gsize expected_data_bytes = 0;
+ char *memsize;
(void)fd;
if (!(devc = sdi->priv))
return TRUE;
- if (revents == G_IO_IN) {
- /* TODO */
+ scpi = sdi->conn;
+
+ if (!(revents == G_IO_IN || revents == 0))
+ return TRUE;
+
+ memsize = NULL;
+ if (sr_scpi_get_string(sdi->conn, "MSIZ?", &memsize) != SR_OK)
+ return SR_ERR;
+
+ switch (devc->wait_event) {
+ case WAIT_NONE:
+ break;
+ case WAIT_TRIGGER:
+ if (siglent_sds_trigger_wait(sdi) != SR_OK)
+ return TRUE;
+ if (siglent_sds_channel_start(sdi) != SR_OK)
+ return TRUE;
+ return TRUE;
+ case WAIT_BLOCK:
+ if (siglent_sds_channel_start(sdi) != SR_OK)
+ return TRUE;
+ break;
+ case WAIT_STOP:
+ if (siglent_sds_stop_wait(sdi) != SR_OK) {
+ return TRUE;
+ }
+ if (siglent_sds_channel_start(sdi) != SR_OK) {
+ return TRUE;
+ }
+ return TRUE;
+ default:
+ sr_err("BUG: Unknown event target encountered");
+ break;
+ }
+
+ ch = devc->channel_entry->data;
+
+ if (devc->num_block_bytes == 0) {
+
+ if (g_ascii_strcasecmp(memsize, "14M") == 0){
+ sr_err("Device memory depth is set to 14Mpts, so please be patient");
+ g_usleep(4900000); // Sleep for large memory set
+ }
+ sr_dbg("New block header expected");
+ len = siglent_sds_read_header(sdi, ch->index);
+ expected_data_bytes = len;
+ if (len == 0)
+ /* Still reading the header. */
+ return TRUE;
+ if (len == -1) {
+ sr_err("Read error, aborting capture.");
+ packet.type = SR_DF_FRAME_END;
+ sr_session_send(sdi, &packet);
+ sdi->driver->dev_acquisition_stop(sdi);
+ return TRUE;
+ }
+
+ if (devc->data_source == DATA_SOURCE_SCREEN
+ && (unsigned)len < expected_data_bytes) {
+ sr_dbg("Discarding short data block");
+ sr_scpi_read_data(scpi, (char *)devc->buffer, len + 1);
+ return TRUE;
+ }
+ devc->num_block_bytes = len;
+ devc->num_block_read = 0;
+ }
+
+ len = devc->num_block_bytes - devc->num_block_read;
+ if (len > ACQ_BUFFER_SIZE)
+ len = ACQ_BUFFER_SIZE;
+
+ /*Offset the data block buffer past the IEEE header and Description Header*/
+ devc->buffer += devc->blockHeaderSize;
+
+ if (len == -1) {
+ sr_err("Read error, aborting capture.");
+ packet.type = SR_DF_FRAME_END;
+ sr_session_send(sdi, &packet);
+ sdi->driver->dev_acquisition_stop(sdi);
+ return TRUE;
}
+ sr_dbg("Received %d bytes.", len);
+
+ devc->num_block_read += len;
+
+ if (ch->type == SR_CHANNEL_ANALOG) {
+ float vdiv = devc->vdiv[ch->index];
+ float offset = devc->vert_offset[ch->index];
+ GArray *float_data;
+ static GArray *data;
+ float voltage;
+ float vdivlog;
+ int digits;
+
+ data = g_array_sized_new(FALSE, FALSE, sizeof(uint8_t), len);
+ g_array_append_vals(data, devc->buffer, len);
+ float_data = g_array_new(FALSE, FALSE, sizeof(float));
+ for (i = 0; i < len; i++) {
+ voltage = (float)g_array_index(data, int8_t, i) / 25;
+ voltage = ((vdiv * voltage) - offset);
+ g_array_append_val(float_data, voltage);
+ }
+ vdivlog = log10f(vdiv);
+ digits = -(int) vdivlog + (vdivlog < 0.0);
+ sr_analog_init(&analog, &encoding, &meaning, &spec, digits);
+ analog.meaning->channels = g_slist_append(NULL, ch);
+ analog.num_samples = float_data->len;
+ analog.data = (float *)float_data->data;
+ analog.meaning->mq = SR_MQ_VOLTAGE;
+ analog.meaning->unit = SR_UNIT_VOLT;
+ analog.meaning->mqflags = 0;
+ packet.type = SR_DF_ANALOG;
+ packet.payload = &analog;
+ sr_session_send(sdi, &packet);
+ g_slist_free(analog.meaning->channels);
+ g_array_free(data, TRUE);
+ } else {
+ logic.length = len;
+ logic.unitsize = 1;
+ logic.data = devc->buffer;
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ sr_session_send(sdi, &packet);
+ }
+
+ if (devc->num_block_read == devc->num_block_bytes) {
+ sr_dbg("Block has been completed");
+ /* Prepare for possible next block */
+ sr_dbg("Prepare for possible next block");
+ devc->num_header_bytes = 0;
+ devc->num_block_bytes = 0;
+ if (devc->data_source != DATA_SOURCE_SCREEN) {
+ siglent_sds_set_wait_event(devc, WAIT_BLOCK);
+ }
+ if (!sr_scpi_read_complete(scpi)) {
+ sr_err("Read should have been completed");
+ packet.type = SR_DF_FRAME_END;
+ sr_session_send(sdi, &packet);
+ sdi->driver->dev_acquisition_stop(sdi);
+ return TRUE;
+ }
+ devc->num_block_read = 0;
+ } else {
+ sr_dbg("%" PRIu64 " of %" PRIu64 " block bytes read",
+ devc->num_block_read, devc->num_block_bytes);
+ }
+ devc->num_channel_bytes += len;
+ if (devc->num_channel_bytes < expected_data_bytes) {
+ /* Don't have the full data for this channel yet, re-run. */
+ return TRUE;
+ }
+ if (devc->channel_entry->next) {
+ /* We got the frame for this channel, now get the next channel. */
+ devc->channel_entry = devc->channel_entry->next;
+ siglent_sds_channel_start(sdi);
+ } else {
+ /* Done with this frame. */
+ packet.type = SR_DF_FRAME_END;
+ sr_session_send(sdi, &packet);
+
+ if (++devc->num_frames == devc->limit_frames) {
+ /* Last frame, stop capture. */
+ sdi->driver->dev_acquisition_stop(sdi);
+ } else {
+ /* Get the next frame, starting with the first channel. */
+ devc->channel_entry = devc->enabled_channels;
+ siglent_sds_capture_start(sdi);
+
+ /* Start of next frame. */
+ packet.type = SR_DF_FRAME_BEGIN;
+ sr_session_send(sdi, &packet);
+ }
+ }
return TRUE;
}
+
+SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_channel *ch;
+ char *cmd;
+ unsigned int i;
+ int res;
+ char *response;
+ gchar **tokens;
+ int num_tokens;
+
+ devc = sdi->priv;
+
+ /* Analog channel state. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%i:TRA?", i + 1);
+ res = sr_scpi_get_bool(sdi->conn, cmd, &devc->analog_channels[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ ch = g_slist_nth_data(sdi->channels, i);
+ ch->enabled = devc->analog_channels[i];
+ }
+ sr_dbg("Current analog channel state:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %s", i + 1, devc->analog_channels[i] ? "On" : "Off");
+
+ /* Digital channel state. */
+ if (devc->model->has_digital) {
+ gboolean status;
+
+ sr_dbg("Check Logic Analyzer channel state");
+ devc->la_enabled = FALSE;
+ cmd = g_strdup_printf("DGST?");
+ res = sr_scpi_get_bool(sdi->conn, cmd, &status);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ sr_dbg("Logic Analyzer status: %s", status ? "On" : "Off");
+ if (status) {
+ devc->la_enabled = TRUE;
+ for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
+ cmd = g_strdup_printf("D%i:DGCH?", i);
+ res = sr_scpi_get_bool(sdi->conn, cmd, &devc->digital_channels[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ ch = g_slist_nth_data(sdi->channels, i + devc->model->analog_channels);
+ ch->enabled = devc->digital_channels[i];
+ sr_dbg("D%d: %s", i, devc->digital_channels[i] ? "On" : "Off");
+ }
+ } else {
+ for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
+ ch = g_slist_nth_data(sdi->channels, i + devc->model->analog_channels);
+ devc->digital_channels[i] = FALSE;
+ ch->enabled = devc->digital_channels[i];
+ sr_dbg("D%d: %s", i, devc->digital_channels[i] ? "On" : "Off");
+ }
+ }
+ }
+
+ /* Timebase. */
+ if (sr_scpi_get_float(sdi->conn, ":TDIV?", &devc->timebase) != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current timebase %g", devc->timebase);
+
+ /* Probe attenuation. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:ATTN?", i + 1);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->attenuation[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+ sr_dbg("Current probe attenuation:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %g", i + 1, devc->attenuation[i]);
+
+ /* Vertical gain and offset. */
+ if (siglent_sds_get_dev_cfg_vertical(sdi) != SR_OK)
+ return SR_ERR;
+
+ /* Coupling. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:CPL?", i + 1);
+ res = sr_scpi_get_string(sdi->conn, cmd, &devc->coupling[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+
+ sr_dbg("Current coupling:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %s", i + 1, devc->coupling[i]);
+
+ /* Trigger source. */
+ response = NULL;
+ tokens = NULL;
+ if (sr_scpi_get_string(sdi->conn, "TRSE?", &response) != SR_OK)
+ return SR_ERR;
+ tokens = g_strsplit(response, ",", 0);
+ for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
+ if (num_tokens < 4) {
+ sr_dbg("IDN response not according to spec: %80.s.", response);
+ g_strfreev(tokens);
+ g_free(response);
+ return SR_ERR_DATA;
+ }
+ g_free(response);
+ devc->trigger_source = g_strstrip(g_strdup(tokens[2]));
+ sr_dbg("Current trigger source %s", devc->trigger_source);
+
+ /* TODO Horizontal trigger position. */
+
+ devc->horiz_triggerpos = 0;
+ sr_dbg("Current horizontal trigger position %g", devc->horiz_triggerpos);
+
+ /* Trigger slope. */
+ cmd = g_strdup_printf("%s:TRSL?", devc->trigger_source);
+ res = sr_scpi_get_string(sdi->conn, cmd, &devc->trigger_slope);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current trigger slope %s", devc->trigger_slope);
+
+ /* Trigger level. */
+ cmd = g_strdup_printf("%s:TRLV?", devc->trigger_source);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->trigger_level);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current trigger level %g", devc->trigger_level);
+ return SR_OK;
+}
+
+SR_PRIV int siglent_sds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ char *cmd;
+ unsigned int i;
+ int res;
+
+ devc = sdi->priv;
+
+ /* Vertical gain. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:VDIV?", i + 1);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->vdiv[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+ sr_dbg("Current vertical gain:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %g", i + 1, devc->vdiv[i]);
+
+ /* Vertical offset. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:OFST?", i + 1);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->vert_offset[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+ sr_dbg("Current vertical offset:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %g", i + 1, devc->vert_offset[i]);
+
+ return SR_OK;
+}
+
+SR_PRIV int siglent_sds_get_dev_cfg_horizontal(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ char *cmd;
+ int res;
+ char *samplePointsString;
+ float samplerateScope;
+ float fvalue;
+ char *first, *concat;
+
+ devc = sdi->priv;
+ cmd = g_strdup_printf("SANU? C1");
+ res = sr_scpi_get_string(sdi->conn, cmd, &samplePointsString);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ if (strcasestr(samplePointsString, "Mpts") != NULL) {
+ samplePointsString[strlen(samplePointsString) - 4] = '\0';
+
+ if (strcasestr(samplePointsString, ".") != NULL) {
+ first = strtok(samplePointsString, ".");
+ concat = strcat(first, strtok(NULL, "."));
+ if (sr_atof_ascii(concat, &fvalue) != SR_OK || fvalue == 0.0) {
+ sr_dbg("Invalid float converted from scope response.");
+ return SR_ERR;
+ }
+ } else {
+ if (sr_atof_ascii(samplePointsString, &fvalue) != SR_OK || fvalue == 0.0) {
+ sr_dbg("Invalid float converted from scope response.");
+ return SR_ERR;
+ }
+ }
+ samplerateScope = fvalue * 100000;
+ } else {
+ samplePointsString[strlen(samplePointsString) - 4] = '\0';
+ if (sr_atof_ascii(samplePointsString, &fvalue) != SR_OK || fvalue == 0.0) {
+ sr_dbg("Invalid float converted from scope response.");
+ return SR_ERR;
+ }
+ samplerateScope = fvalue * 1000;
+ }
+ /* Get the Timebase. */
+ if (sr_scpi_get_float(sdi->conn, ":TDIV?", &devc->timebase) != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current timebase %g", devc->timebase);
+ devc->sampleRate = samplerateScope / (devc->timebase * devc->model->series->num_horizontal_divs);
+ return SR_OK;
+}
projects / libsigrok.git / commitdiff