*/
#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 devopts_cg_analog[] = {
+ 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 struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
- struct drv_context *drvc;
- GSList *devices;
+ 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 (std_str_idx_s(hw_info->manufacturer, ARRAY_AND_SIZE(manufacturers)) < 0)
+ 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));
+ sdi->priv = devc;
+
+ if (lecroy_xstream_init_device(sdi) != SR_OK)
+ goto fail;
+
+ return sdi;
- (void)options;
+fail:
+ sr_scpi_hw_info_free(hw_info);
+ sr_dev_inst_free(sdi);
+ g_free(devc);
- devices = NULL;
- drvc = di->context;
- drvc->instances = NULL;
+ return NULL;
+}
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+ return sr_scpi_scan(di->context, options, probe_device);
+}
- return devices;
+static void clear_helper(struct dev_context *devc)
+{
+ lecroy_xstream_state_free(devc->model_state);
+ g_free(devc->analog_groups);
}
static int dev_clear(const struct sr_dev_driver *di)
{
- return std_dev_clear(di, NULL);
+ return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
}
static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ if (sr_scpi_open(sdi->conn) != SR_OK)
+ return SR_ERR;
- /* TODO: get handle from sdi->conn and open it. */
-
- sdi->status = SR_ST_ACTIVE;
+ if (lecroy_xstream_state_get(sdi) != SR_OK)
+ return SR_ERR;
return SR_OK;
}
static int dev_close(struct sr_dev_inst *sdi)
{
- (void)sdi;
-
- /* TODO: get handle from sdi->conn and close it. */
-
- sdi->status = SR_ST_INACTIVE;
-
- 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)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ int idx;
+ struct dev_context *devc;
+ const struct scope_config *model;
+ struct scope_state *state;
+
+ if (!sdi)
+ return SR_ERR_ARG;
+
+ devc = sdi->priv;
- (void)sdi;
- (void)data;
- (void)cg;
+ 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);
+ break;
+ case SR_CONF_TIMEBASE:
+ *data = g_variant_new("(tt)",
+ (*model->timebases)[state->timebase][0],
+ (*model->timebases)[state->timebase][1]);
+ break;
+ case SR_CONF_NUM_VDIV:
+ if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0)
+ return SR_ERR_ARG;
+ *data = g_variant_new_int32(model->num_ydivs);
+ break;
+ case SR_CONF_VDIV:
+ if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
+ return SR_ERR_ARG;
+ *data = g_variant_new("(tt)",
+ (*model->vdivs)[state->analog_channels[idx].vdiv][0],
+ (*model->vdivs)[state->analog_channels[idx].vdiv][1]);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]);
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ *data = g_variant_new_double(state->horiz_triggerpos);
+ break;
+ case SR_CONF_COUPLING:
+ if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
+ return SR_ERR_ARG;
+ *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[idx].coupling]);
+ break;
+ case SR_CONF_SAMPLERATE:
+ *data = g_variant_new_uint64(state->sample_rate);
+ break;
+ case SR_CONF_ENABLED:
+ *data = g_variant_new_boolean(FALSE);
+ 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)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ int ret, idx, j;
+ char command[MAX_COMMAND_SIZE];
+ struct dev_context *devc;
+ const struct scope_config *model;
+ struct scope_state *state;
+ double tmp_d;
+
+ if (!sdi)
+ return SR_ERR_ARG;
- (void)data;
- (void)cg;
+ devc = sdi->priv;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
+ model = devc->model_config;
+ state = devc->model_state;
- 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:
+ if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
+ return SR_ERR_ARG;
+ state->trigger_source = idx;
+ g_snprintf(command, sizeof(command),
+ "TRIG_SELECT EDGE,SR,%s", (*model->trigger_sources)[idx]);
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ case SR_CONF_VDIV:
+ if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0)
+ return SR_ERR_ARG;
+ if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
+ return SR_ERR_ARG;
+ state->analog_channels[j].vdiv = idx;
+ g_snprintf(command, sizeof(command),
+ "C%d:VDIV %E", j + 1, (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]);
+ if (sr_scpi_send(sdi->conn, command) != SR_OK || sr_scpi_get_opc(sdi->conn) != SR_OK)
+ return SR_ERR;
+ ret = SR_OK;
+ break;
+ case SR_CONF_TIMEBASE:
+ if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0)
+ return SR_ERR_ARG;
+ state->timebase = idx;
+ g_snprintf(command, sizeof(command),
+ "TIME_DIV %E", (float) (*model->timebases)[idx][0] / (*model->timebases)[idx][1]);
+ ret = sr_scpi_send(sdi->conn, command);
+ 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][0] /
+ (*model->timebases)[state->timebase][1])
+ * 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:
+ if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0)
+ return SR_ERR_ARG;
+ state->trigger_slope = idx;
+ g_snprintf(command, sizeof(command),
+ "%s:TRIG_SLOPE %s", (*model->trigger_sources)[state->trigger_source],
+ (*model->trigger_slopes)[idx]);
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ case SR_CONF_COUPLING:
+ if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
+ return SR_ERR_ARG;
+ if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
+ return SR_ERR_ARG;
+ state->analog_channels[j].coupling = idx;
+ g_snprintf(command, sizeof(command), "C%d:COUPLING %s",
+ j + 1, (*model->coupling_options)[idx]);
+ if (sr_scpi_send(sdi->conn, command) != SR_OK || sr_scpi_get_opc(sdi->conn) != SR_OK)
+ return SR_ERR;
+ ret = SR_OK;
+ break;
default:
ret = SR_ERR_NA;
+ break;
}
+ if (ret == SR_OK)
+ ret = sr_scpi_get_opc(sdi->conn);
+
return ret;
}
+static int config_channel_set(const struct sr_dev_inst *sdi,
+ struct sr_channel *ch, unsigned int changes)
+{
+ /* Currently we only handle SR_CHANNEL_SET_ENABLED. */
+ if (changes != SR_CHANNEL_SET_ENABLED)
+ return SR_ERR_NA;
+
+ return lecroy_xstream_channel_state_set(sdi, ch->index, ch->enabled);
+}
+
static int config_list(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc;
+ const struct scope_config *model;
- (void)sdi;
- (void)data;
- (void)cg;
+ devc = (sdi) ? sdi->priv : NULL;
+ model = (devc) ? devc->model_config : NULL;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_SCAN_OPTIONS:
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NO_OPTS, NO_OPTS);
+ case SR_CONF_DEVICE_OPTIONS:
+ if (!cg)
+ return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts);
+ *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
+ break;
+ case SR_CONF_COUPLING:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = g_variant_new_strv(*model->coupling_options, model->num_coupling_options);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = g_variant_new_strv(*model->trigger_sources, model->num_trigger_sources);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = g_variant_new_strv(*model->trigger_slopes, model->num_trigger_slopes);
+ break;
+ case SR_CONF_TIMEBASE:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = std_gvar_tuple_array(*model->timebases, model->num_timebases);
+ break;
+ case SR_CONF_VDIV:
+ if (!model)
+ return SR_ERR_ARG;
+ *data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs);
+ break;
default:
return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi)
+SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
{
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
+ char command[MAX_COMMAND_SIZE];
+ struct sr_channel *ch;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+
+ /*
+ * We may be left with an invalid current_channel if acquisition was
+ * already stopped but we are processing the last pending events.
+ */
+ if (!devc->current_channel)
+ return SR_ERR_NA;
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ ch = devc->current_channel->data;
+
+ if (ch->type != SR_CHANNEL_ANALOG)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command), "C%d:WAVEFORM?", ch->index + 1);
+ return sr_scpi_send(sdi->conn, command);
+}
+
+static int setup_channels(const struct sr_dev_inst *sdi)
+{
+ GSList *l;
+ 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;
+
+ 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;
+ break;
+ default:
+ 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;
+ struct scope_state *state;
+ 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;
+ state = devc->model_state;
+ state->sample_rate = 0;
+
+ /* Contruct the list of enabled channels. */
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (!ch->enabled)
+ continue;
+
+ devc->enabled_channels = g_slist_append(devc->enabled_channels, ch);
+ }
+
+ if (!devc->enabled_channels)
+ return SR_ERR;
+
+ /* Configure the analog channels. */
+ 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_clear = dev_clear,
.config_get = config_get,
.config_set = config_set,
+ .config_channel_set = config_channel_set,
.config_list = config_list,
.dev_open = dev_open,
.dev_close = dev_close,
.dev_acquisition_stop = dev_acquisition_stop,
.context = NULL,
};
-
SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info);
projects / libsigrok.git / blobdiff