*/
#include <config.h>
+#include <stdlib.h>
+#include "scpi.h"
#include "protocol.h"
-SR_PRIV struct sr_dev_driver lecroy_xstream_driver_info;
+static struct sr_dev_driver lecroy_xstream_driver_info;
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
+static const char *manufacturers[] = {
+ "LECROY",
+};
+
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+};
+
+static const uint32_t drvopts[] = {
+ SR_CONF_OSCILLOSCOPE,
+};
+
+static const uint32_t devopts[] = {
+ SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_SAMPLERATE | SR_CONF_GET,
+ SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_NUM_HDIV | SR_CONF_GET,
+ SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
+ 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,
+};
+
+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_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
+static int check_manufacturer(const char *manufacturer)
{
- struct drv_context *drvc;
- GSList *devices;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(manufacturers); i++)
+ if (!strcmp(manufacturer, manufacturers[i]))
+ return SR_OK;
+
+ return SR_ERR;
+}
+
+static struct sr_dev_inst *probe_serial_device(struct sr_scpi_dev_inst *scpi)
+{
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct sr_scpi_hw_info *hw_info;
+
+ sdi = NULL;
+ devc = NULL;
+ hw_info = NULL;
+
+ if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+ sr_info("Couldn't get IDN response.");
+ goto fail;
+ }
+
+ if (check_manufacturer(hw_info->manufacturer) != SR_OK)
+ goto fail;
+
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->vendor = g_strdup(hw_info->manufacturer);
+ sdi->model = g_strdup(hw_info->model);
+ sdi->version = g_strdup(hw_info->firmware_version);
+ sdi->serial_num = g_strdup(hw_info->serial_number);
+ sdi->driver = &lecroy_xstream_driver_info;
+ sdi->inst_type = SR_INST_SCPI;
+ sdi->conn = scpi;
+
+ sr_scpi_hw_info_free(hw_info);
+ hw_info = NULL;
+
+ devc = g_malloc0(sizeof(struct dev_context));
- (void)options;
+ sdi->priv = devc;
- devices = NULL;
- drvc = di->context;
- drvc->instances = NULL;
+ if (lecroy_xstream_init_device(sdi) != SR_OK)
+ goto fail;
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ return sdi;
- return devices;
+fail:
+ sr_scpi_hw_info_free(hw_info);
+ sr_dev_inst_free(sdi);
+ g_free(devc);
+
+ return NULL;
}
-static int dev_clear(const struct sr_dev_driver *di)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
- return std_dev_clear(di, NULL);
+ return sr_scpi_scan(di->context, options, probe_serial_device);
}
-static int dev_open(struct sr_dev_inst *sdi)
+static void clear_helper(void *priv)
{
- (void)sdi;
+ struct dev_context *devc;
- /* TODO: get handle from sdi->conn and open it. */
+ devc = priv;
- sdi->status = SR_ST_ACTIVE;
+ lecroy_xstream_state_free(devc->model_state);
- return SR_OK;
+ g_free(devc->analog_groups);
+
+ g_free(devc);
}
-static int dev_close(struct sr_dev_inst *sdi)
+static int dev_clear(const struct sr_dev_driver *di)
{
- (void)sdi;
+ return std_dev_clear(di, clear_helper);
+}
- /* TODO: get handle from sdi->conn and close it. */
+static int dev_open(struct sr_dev_inst *sdi)
+{
+ if (sr_scpi_open(sdi->conn) != SR_OK)
+ return SR_ERR;
- sdi->status = SR_ST_INACTIVE;
+ if (lecroy_xstream_state_get(sdi) != SR_OK)
+ return SR_ERR;
return SR_OK;
}
+static int dev_close(struct sr_dev_inst *sdi)
+{
+ 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;
+ unsigned int i;
+ struct dev_context *devc;
+ const struct scope_config *model;
+ struct scope_state *state;
- (void)sdi;
- (void)data;
- (void)cg;
+ if (!sdi)
+ return SR_ERR_ARG;
+
+ devc = sdi->priv;
+
+ ret = SR_ERR_NA;
+ model = devc->model_config;
+ state = devc->model_state;
+ *data = NULL;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_NUM_HDIV:
+ *data = g_variant_new_int32(model->num_xdivs);
+ ret = SR_OK;
+ break;
+ case SR_CONF_TIMEBASE:
+ *data = g_variant_new("(tt)",
+ model->timebases[state->timebase].p,
+ model->timebases[state->timebase].q);
+ ret = SR_OK;
+ break;
+ case SR_CONF_NUM_VDIV:
+ for (i = 0; i < model->analog_channels; i++) {
+ if (cg != devc->analog_groups[i])
+ continue;
+ *data = g_variant_new_int32(model->num_ydivs);
+ ret = SR_OK;
+ }
+ break;
+ case SR_CONF_VDIV:
+ for (i = 0; i < model->analog_channels; i++) {
+ if (cg != devc->analog_groups[i])
+ continue;
+ *data = g_variant_new("(tt)",
+ model->vdivs[state->analog_channels[i].vdiv].p,
+ model->vdivs[state->analog_channels[i].vdiv].q);
+ ret = SR_OK;
+ }
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]);
+ ret = SR_OK;
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]);
+ ret = SR_OK;
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ *data = g_variant_new_double(state->horiz_triggerpos);
+ ret = SR_OK;
+ break;
+ case SR_CONF_COUPLING:
+ for (i = 0; i < model->analog_channels; i++) {
+ if (cg != devc->analog_groups[i])
+ continue;
+ *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]);
+ ret = SR_OK;
+ }
+ break;
+ case SR_CONF_SAMPLERATE:
+ *data = g_variant_new_uint64(state->sample_rate);
+ ret = SR_OK;
+ break;
+ case SR_CONF_ENABLED:
+ *data = g_variant_new_boolean(FALSE);
+ ret = SR_OK;
+ break;
default:
- return SR_ERR_NA;
+ ret = SR_ERR_NA;
}
return ret;
}
+static GVariant *build_tuples(const struct sr_rational *array, unsigned int n)
+{
+ unsigned int i;
+ GVariant *rational[2];
+ GVariantBuilder gvb;
+
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+
+ for (i = 0; i < n; i++) {
+ rational[0] = g_variant_new_uint64(array[i].p);
+ rational[1] = g_variant_new_uint64(array[i].q);
+
+ /* FIXME: Valgrind reports a memory leak here. */
+ g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2));
+ }
+
+ return g_variant_builder_end(&gvb);
+}
+
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
int ret;
+ unsigned int i, j;
+ char command[MAX_COMMAND_SIZE];
+ struct dev_context *devc;
+ const struct scope_config *model;
+ struct scope_state *state;
+ const char *tmp;
+ int64_t p;
+ uint64_t q;
+ double tmp_d;
+ gboolean update_sample_rate;
- (void)data;
- (void)cg;
+ if (!sdi)
+ return SR_ERR_ARG;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
+ devc = sdi->priv;
+
+ model = devc->model_config;
+ state = devc->model_state;
+ update_sample_rate = FALSE;
+
+ ret = SR_ERR_NA;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_LIMIT_FRAMES:
+ devc->frame_limit = g_variant_get_uint64(data);
+ ret = SR_OK;
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ tmp = g_variant_get_string(data, NULL);
+ for (i = 0; (*model->trigger_sources)[i]; i++) {
+ if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
+ continue;
+ state->trigger_source = i;
+ g_snprintf(command, sizeof(command),
+ "SET TRIGGER SOURCE %s",
+ (*model->trigger_sources)[i]);
+
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ }
+ break;
+ case SR_CONF_VDIV:
+ g_variant_get(data, "(tt)", &p, &q);
+
+ for (i = 0; i < model->num_vdivs; i++) {
+ if (p != model->vdivs[i].p || q != model->vdivs[i].q)
+ continue;
+ for (j = 1; j <= model->analog_channels; j++) {
+ if (cg != devc->analog_groups[j - 1])
+ continue;
+ state->analog_channels[j - 1].vdiv = i;
+ g_snprintf(command, sizeof(command),
+ "C%d:VDIV %E", j, (float)p/q);
+
+ if (sr_scpi_send(sdi->conn, command) != SR_OK ||
+ sr_scpi_get_opc(sdi->conn) != SR_OK)
+ return SR_ERR;
+
+ break;
+ }
+
+ ret = SR_OK;
+ break;
+ }
+ break;
+ case SR_CONF_TIMEBASE:
+ g_variant_get(data, "(tt)", &p, &q);
+
+ for (i = 0; i < model->num_timebases; i++) {
+ if (p != model->timebases[i].p ||
+ q != model->timebases[i].q)
+ continue;
+ state->timebase = i;
+ g_snprintf(command, sizeof(command),
+ "TIME_DIV %E", (float)p/q);
+
+ ret = sr_scpi_send(sdi->conn, command);
+ update_sample_rate = TRUE;
+ break;
+ }
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ tmp_d = g_variant_get_double(data);
+
+ if (tmp_d < 0.0 || tmp_d > 1.0)
+ return SR_ERR;
+
+ state->horiz_triggerpos = tmp_d;
+ tmp_d = -(tmp_d - 0.5) *
+ ((double)model->timebases[state->timebase].p /
+ model->timebases[state->timebase].q)
+ * model->num_xdivs;
+
+ g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d);
+
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ tmp = g_variant_get_string(data, NULL);
+ for (i = 0; (*model->trigger_slopes)[i]; i++) {
+ if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0)
+ continue;
+ state->trigger_slope = i;
+ g_snprintf(command, sizeof(command),
+ "SET TRIGGER SLOPE %s",
+ (*model->trigger_slopes)[i]);
+
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ }
+ break;
+ case SR_CONF_COUPLING:
+ tmp = g_variant_get_string(data, NULL);
+
+ for (i = 0; (*model->coupling_options)[i]; i++) {
+ if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
+ continue;
+ for (j = 1; j <= model->analog_channels; j++) {
+ if (cg != devc->analog_groups[j - 1])
+ continue;
+ state->analog_channels[j - 1].coupling = i;
+
+ g_snprintf(command, sizeof(command),
+ "C%d:COUPLING %s", j, tmp);
+
+ if (sr_scpi_send(sdi->conn, command) != SR_OK ||
+ sr_scpi_get_opc(sdi->conn) != SR_OK)
+ return SR_ERR;
+ break;
+ }
+
+ ret = SR_OK;
+ break;
+ }
+ break;
default:
ret = SR_ERR_NA;
+ break;
}
+ if (ret == SR_OK)
+ ret = sr_scpi_get_opc(sdi->conn);
+
+ if (ret == SR_OK && update_sample_rate)
+ ret = lecroy_xstream_update_sample_rate(sdi);
+
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;
+ struct dev_context *devc = NULL;
+ const struct scope_config *model = NULL;
- (void)sdi;
- (void)data;
(void)cg;
- ret = SR_OK;
+ /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or channel group. */
+ 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;
+ }
+
+ /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */
+ if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
+ return SR_OK;
+ }
+
+ /* Every other option requires a valid device instance. */
+ if (!sdi)
+ return SR_ERR_ARG;
+
+ devc = sdi->priv;
+ model = devc->model_config;
+
switch (key) {
- /* TODO */
+ case SR_CONF_DEVICE_OPTIONS:
+ if (!cg) {
+ /* If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not
+ * specific to a channel group must be returned. */
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
+ return SR_OK;
+ }
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ analog_devopts, ARRAY_SIZE(analog_devopts),
+ sizeof(uint32_t));
+ break;
+ case SR_CONF_COUPLING:
+ *data = g_variant_new_strv(*model->coupling_options,
+ g_strv_length((char **)*model->coupling_options));
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = g_variant_new_strv(*model->trigger_sources,
+ g_strv_length((char **)*model->trigger_sources));
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = g_variant_new_strv(*model->trigger_slopes,
+ g_strv_length((char **)*model->trigger_slopes));
+ break;
+ case SR_CONF_TIMEBASE:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = build_tuples(model->timebases, model->num_timebases);
+ break;
+ case SR_CONF_VDIV:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = build_tuples(model->vdivs, model->num_vdivs);
+ break;
default:
return SR_ERR_NA;
}
+ return SR_OK;
+}
- return ret;
+SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
+{
+ char command[MAX_COMMAND_SIZE];
+ struct sr_channel *ch;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+
+ ch = devc->current_channel->data;
+
+ if (ch->type != SR_CHANNEL_ANALOG)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1);
+ return sr_scpi_send(sdi->conn, command);
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi)
+static int setup_channels(const struct sr_dev_inst *sdi)
{
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
+ GSList *l;
+ gboolean setup_changed;
+ char command[MAX_COMMAND_SIZE];
+ struct scope_state *state;
+ struct sr_channel *ch;
+ struct dev_context *devc;
+ struct sr_scpi_dev_inst *scpi;
+
+ devc = sdi->priv;
+ scpi = sdi->conn;
+ state = devc->model_state;
+ setup_changed = FALSE;
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ if (ch->enabled == state->analog_channels[ch->index].state)
+ break;
+ g_snprintf(command, sizeof(command), "C%d:TRACE %s",
+ ch->index + 1, ch->enabled ? "ON" : "OFF");
+
+ if (sr_scpi_send(scpi, command) != SR_OK)
+ return SR_ERR;
+ state->analog_channels[ch->index].state = ch->enabled;
+ setup_changed = TRUE;
+ break;
+ default:
+ return SR_ERR;
+ }
+ }
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK)
+ return SR_ERR;
return SR_OK;
}
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
+{
+ GSList *l;
+ struct sr_channel *ch;
+ struct dev_context *devc;
+ int ret;
+ struct sr_scpi_dev_inst *scpi;
+
+ devc = sdi->priv;
+ scpi = sdi->conn;
+ /* Preset empty results. */
+ g_slist_free(devc->enabled_channels);
+ devc->enabled_channels = NULL;
+
+ /*
+ * Contruct the list of enabled channels. Determine the highest
+ * number of digital pods involved in the acquisition.
+ */
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (!ch->enabled)
+ continue;
+ /* Only add a single digital channel per group (pod). */
+ devc->enabled_channels = g_slist_append(
+ devc->enabled_channels, ch);
+ }
+
+ if (!devc->enabled_channels)
+ return SR_ERR;
+
+ /*
+ * Configure the analog channels and the
+ * corresponding digital pods.
+ */
+ if (setup_channels(sdi) != SR_OK) {
+ sr_err("Failed to setup channel configuration!");
+ ret = SR_ERR;
+ goto free_enabled;
+ }
+
+ /*
+ * Start acquisition on the first enabled channel. The
+ * receive routine will continue driving the acquisition.
+ */
+ sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
+ lecroy_xstream_receive_data, (void *)sdi);
+
+ std_session_send_df_header(sdi);
+
+ devc->current_channel = devc->enabled_channels;
+
+ return lecroy_xstream_request_data(sdi);
+
+free_enabled:
+ g_slist_free(devc->enabled_channels);
+ devc->enabled_channels = NULL;
+
+ return ret;
+}
+
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
+ struct dev_context *devc;
+ struct sr_scpi_dev_inst *scpi;
+
+ std_session_send_df_end(sdi);
- /* TODO: stop acquisition. */
+ devc = sdi->priv;
+
+ devc->num_frames = 0;
+ 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 lecroy_xstream_driver_info = {
+static struct sr_dev_driver lecroy_xstream_driver_info = {
.name = "lecroy-xstream",
- .longname = "lecroy-xstream",
+ .longname = "LeCroy X-Stream",
.api_version = 1,
.init = std_init,
.cleanup = std_cleanup,
.dev_acquisition_stop = dev_acquisition_stop,
.context = NULL,
};
-
SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info);
projects / libsigrok.git / blobdiff