* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdlib.h>
#include "protocol.h"
+#define SERIALCOMM "115200/8n1/flow=1"
+
SR_PRIV struct sr_dev_driver hameg_hmo_driver_info;
static struct sr_dev_driver *di = &hameg_hmo_driver_info;
+static const char *manufacturers[] = {
+ "HAMEG",
+};
+
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
+};
+
+enum {
+ PG_INVALID = -1,
+ PG_NONE,
+ PG_ANALOG,
+ PG_DIGITAL,
+};
+
static int init(struct sr_context *sr_ctx)
{
return std_init(sr_ctx, di, LOG_PREFIX);
}
-static GSList *scan(GSList *options)
+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;
- (void)options;
+ return SR_ERR;
+}
- devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
+static struct sr_dev_inst *hmo_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;
+ }
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ if (check_manufacturer(hw_info->manufacturer) != SR_OK)
+ goto fail;
- return devices;
+ if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
+ hw_info->manufacturer, hw_info->model,
+ hw_info->firmware_version))) {
+ goto fail;
+ }
+ sr_scpi_hw_info_free(hw_info);
+ hw_info = NULL;
+
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
+ goto fail;
+
+ sdi->driver = di;
+ sdi->priv = devc;
+ sdi->inst_type = SR_INST_SCPI;
+ sdi->conn = scpi;
+
+ if (hmo_init_device(sdi) != SR_OK)
+ goto fail;
+
+ sr_scpi_close(sdi->conn);
+
+ sdi->status = SR_ST_INACTIVE;
+
+ return sdi;
+
+fail:
+ if (hw_info)
+ sr_scpi_hw_info_free(hw_info);
+ if (sdi)
+ sr_dev_inst_free(sdi);
+ if (devc)
+ g_free(devc);
+
+ return NULL;
+}
+
+static GSList *scan(GSList *options)
+{
+ return sr_scpi_scan(di->priv, options, hmo_probe_serial_device);
}
static GSList *dev_list(void)
return ((struct drv_context *)(di->priv))->instances;
}
+static void clear_helper(void *priv)
+{
+ unsigned int i;
+ struct dev_context *devc;
+ struct scope_config *model;
+
+ devc = priv;
+ model = devc->model_config;
+
+ hmo_scope_state_free(devc->model_state);
+
+ for (i = 0; i < model->analog_channels; ++i)
+ g_slist_free(devc->analog_groups[i].channels);
+
+ for (i = 0; i < model->digital_pods; ++i) {
+ g_slist_free(devc->digital_groups[i].channels);
+ g_free(devc->digital_groups[i].name);
+ }
+
+ g_free(devc->analog_groups);
+ g_free(devc->digital_groups);
+
+ g_free(devc);
+}
+
static int dev_clear(void)
{
- return std_dev_clear(di, NULL);
+ return std_dev_clear(di, clear_helper);
}
static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK)
+ return SR_ERR;
- /* TODO: get handle from sdi->conn and open it. */
+ if (hmo_scope_state_get(sdi) != SR_OK)
+ return SR_ERR;
sdi->status = SR_ST_ACTIVE;
static int dev_close(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ if (sdi->status == SR_ST_INACTIVE)
+ return SR_OK;
- /* TODO: get handle from sdi->conn and close it. */
+ sr_scpi_close(sdi->conn);
sdi->status = SR_ST_INACTIVE;
{
dev_clear();
- /* TODO: free other driver resources, if any. */
-
return SR_OK;
}
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
+static int check_channel_group(struct dev_context *devc,
+ const struct sr_channel_group *cg)
{
- int ret;
+ unsigned int i;
+ struct scope_config *model;
+
+ model = devc->model_config;
+
+ if (!cg)
+ return PG_NONE;
- (void)sdi;
- (void)data;
+ for (i = 0; i < model->analog_channels; ++i)
+ if (cg == &devc->analog_groups[i])
+ return PG_ANALOG;
+
+ for (i = 0; i < model->digital_pods; ++i)
+ if (cg == &devc->digital_groups[i])
+ return PG_DIGITAL;
+
+ sr_err("Invalid channel group specified.");
+
+ return PG_INVALID;
+}
+
+static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
+{
+ int ret, pg_type;
+ unsigned int i;
+ struct dev_context *devc;
+ struct scope_config *model;
+ struct scope_state *state;
+
+ if (!sdi || !(devc = sdi->priv))
+ return SR_ERR_ARG;
+
+ if ((pg_type = check_channel_group(devc, cg)) == PG_INVALID)
+ return SR_ERR;
+
+ ret = SR_ERR_NA;
+ model = devc->model_config;
+ state = devc->model_state;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_NUM_TIMEBASE:
+ *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][0],
+ (*model->timebases)[state->timebase][1]);
+ ret = SR_OK;
+ break;
+ case SR_CONF_NUM_VDIV:
+ if (pg_type == PG_NONE) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ } else if (pg_type == PG_ANALOG) {
+ 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;
+ }
+
+ } else {
+ ret = SR_ERR_NA;
+ }
+ break;
+ case SR_CONF_VDIV:
+ if (pg_type == PG_NONE) {
+ sr_err("No probe group specified.");
+ return SR_ERR_PROBE_GROUP;
+ } else if (pg_type == PG_ANALOG) {
+ for (i = 0; i < model->analog_channels; ++i) {
+ if (probe_group != &devc->analog_groups[i])
+ continue;
+ *data = g_variant_new("(tt)",
+ (*model->vdivs)[state->analog_channels[i].vdiv][0],
+ (*model->vdivs)[state->analog_channels[i].vdiv][1]);
+ ret = SR_OK;
+ break;
+ }
+
+ } else {
+ ret = SR_ERR_NA;
+ }
+ 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:
+ if (pg_type == PG_NONE) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ } else if (pg_type == PG_ANALOG) {
+ 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;
+ }
+
+ } else {
+ ret = SR_ERR_NA;
+ }
+ break;
+ case SR_CONF_SAMPLERATE:
+ *data = g_variant_new_uint64(state->sample_rate);
+ ret = SR_OK;
+ break;
default:
- return SR_ERR_NA;
+ ret = SR_ERR_NA;
}
return ret;
}
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
+static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n)
{
- int ret;
+ unsigned int i;
+ GVariant *rational[2];
+ GVariantBuilder gvb;
- (void)data;
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
+ for (i = 0; i < n; i++) {
+ rational[0] = g_variant_new_uint64((*array)[i][0]);
+ rational[1] = g_variant_new_uint64((*array)[i][1]);
+
+ /* 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(int key, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
+{
+ int ret, pg_type;
+ unsigned int i, j;
+ char command[MAX_COMMAND_SIZE], float_str[30];
+ struct dev_context *devc;
+ struct scope_config *model;
+ struct scope_state *state;
+ const char *tmp;
+ uint64_t p, q;
+ double tmp_d;
+ gboolean update_sample_rate;
+
+ if (!sdi || !(devc = sdi->priv))
+ return SR_ERR_ARG;
+
+ if ((pg_type = check_channel_group(devc, cg)) == PG_INVALID)
+ return SR_ERR;
+
+ 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),
+ (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE],
+ (*model->trigger_sources)[i]);
+
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ }
+ break;
+ case SR_CONF_VDIV:
+ if (pg_type == PG_NONE) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+
+ g_variant_get(data, "(tt)", &p, &q);
+
+ for (i = 0; i < model->num_vdivs; i++) {
+ if (p != (*model->vdivs)[i][0] ||
+ q != (*model->vdivs)[i][1])
+ 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_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q);
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV],
+ j, float_str);
+
+ 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][0] ||
+ q != (*model->timebases)[i][1])
+ continue;
+ state->timebase = i;
+ g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q);
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE],
+ float_str);
+
+ 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][0] /
+ (*model->timebases)[state->timebase][1])
+ * model->num_xdivs;
+
+ g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS],
+ float_str);
+
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ tmp = g_variant_get_string(data, NULL);
+
+ if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r'))
+ return SR_ERR_ARG;
+
+ state->trigger_slope = (tmp[0] == 'r') ? 0 : 1;
+
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
+ (state->trigger_slope == 0) ? "POS" : "NEG");
+
+ ret = sr_scpi_send(sdi->conn, command);
+ break;
+ case SR_CONF_COUPLING:
+ if (pg_type == PG_NONE) {
+ sr_err("No channel group specified.");
+ return SR_ERR_CHANNEL_GROUP;
+ }
+
+ 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),
+ (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING],
+ 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 = hmo_update_sample_rate(sdi);
+
return ret;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
- int ret;
+ int pg_type;
+ struct dev_context *devc;
+ struct scope_config *model;
+
+ if (!sdi || !(devc = sdi->priv))
+ return SR_ERR_ARG;
+
+ if ((pg_type = check_channel_group(devc, cg)) == PG_INVALID)
+ return SR_ERR;
- (void)sdi;
- (void)data;
+ model = devc->model_config;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_DEVICE_OPTIONS:
+ if (pg_type == PG_NONE) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ model->hw_caps, model->num_hwcaps,
+ sizeof(int32_t));
+ } else if (pg_type == PG_ANALOG) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ model->analog_hwcaps, model->num_analog_hwcaps,
+ sizeof(int32_t));
+ } else {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ NULL, 0, sizeof(int32_t));
+ }
+ break;
+ case SR_CONF_COUPLING:
+ if (pg_type == PG_NONE)
+ return SR_ERR_CHANNEL_GROUP;
+ *data = g_variant_new_strv(*model->coupling_options,
+ g_strv_length((char **)*model->coupling_options));
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ *data = g_variant_new_strv(*model->trigger_sources,
+ g_strv_length((char **)*model->trigger_sources));
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ *data = g_variant_new_strv(*model->trigger_slopes,
+ g_strv_length((char **)*model->trigger_slopes));
+ break;
+ case SR_CONF_TIMEBASE:
+ *data = build_tuples(model->timebases, model->num_timebases);
+ break;
+ case SR_CONF_VDIV:
+ if (pg_type == PG_NONE)
+ return SR_ERR_CHANNEL_GROUP;
+ *data = build_tuples(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,
- void *cb_data)
+SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi)
{
- (void)sdi;
- (void)cb_data;
+ char command[MAX_COMMAND_SIZE];
+ struct sr_channel *ch;
+ struct dev_context *devc;
+ struct scope_config *model;
+
+ devc = sdi->priv;
+ model = devc->model_config;
+
+ ch = devc->current_channel->data;
+
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA],
+ ch->index + 1);
+ break;
+ case SR_CHANNEL_LOGIC:
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA],
+ ch->index < 8 ? 1 : 2);
+ break;
+ default:
+ sr_err("Invalid channel type.");
+ break;
+ }
+
+ return sr_scpi_send(sdi->conn, command);
+}
+
+static int hmo_check_channels(GSList *channels)
+{
+ GSList *l;
+ struct sr_channel *ch;
+ gboolean enabled_pod1, enabled_pod2, enabled_chan3, enabled_chan4;
+
+ enabled_pod1 = enabled_pod2 = enabled_chan3 = enabled_chan4 = FALSE;
+
+ for (l = channels; l; l = l->next) {
+ ch = l->data;
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ if (ch->index == 2)
+ enabled_chan3 = TRUE;
+ else if (ch->index == 3)
+ enabled_chan4 = TRUE;
+ break;
+ case SR_CHANNEL_LOGIC:
+ if (ch->index < 8)
+ enabled_pod1 = TRUE;
+ else
+ enabled_pod2 = TRUE;
+ break;
+ default:
+ return SR_ERR;
+ }
+ }
+
+ if ((enabled_pod1 && enabled_chan3) ||
+ (enabled_pod2 && enabled_chan4))
+ return SR_ERR;
+
+ return SR_OK;
+}
+
+static int hmo_setup_channels(const struct sr_dev_inst *sdi)
+{
+ GSList *l;
+ unsigned int i;
+ gboolean *pod_enabled, setup_changed;
+ char command[MAX_COMMAND_SIZE];
+ struct scope_state *state;
+ struct scope_config *model;
+ struct sr_channel *ch;
+ struct dev_context *devc;
+ struct sr_scpi_dev_inst *scpi;
+
+ devc = sdi->priv;
+ scpi = sdi->conn;
+ state = devc->model_state;
+ model = devc->model_config;
+ setup_changed = FALSE;
+
+ pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods);
+
+ 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),
+ (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE],
+ ch->index + 1, ch->enabled);
+
+ if (sr_scpi_send(scpi, command) != SR_OK)
+ return SR_ERR;
+ state->analog_channels[ch->index].state = ch->enabled;
+ setup_changed = TRUE;
+ break;
+ case SR_CHANNEL_LOGIC:
+ /*
+ * A digital POD needs to be enabled for every group of
+ * 8 channels.
+ */
+ if (ch->enabled)
+ pod_enabled[ch->index < 8 ? 0 : 1] = TRUE;
+
+ if (ch->enabled == state->digital_channels[ch->index])
+ break;
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE],
+ ch->index, ch->enabled);
+
+ if (sr_scpi_send(scpi, command) != SR_OK)
+ return SR_ERR;
+
+ state->digital_channels[ch->index] = ch->enabled;
+ setup_changed = TRUE;
+ break;
+ default:
+ return SR_ERR;
+ }
+ }
+
+ for (i = 1; i <= model->digital_pods; ++i) {
+ if (state->digital_pods[i - 1] == pod_enabled[i - 1])
+ continue;
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE],
+ i, pod_enabled[i - 1]);
+ if (sr_scpi_send(scpi, command) != SR_OK)
+ return SR_ERR;
+ state->digital_pods[i - 1] = pod_enabled[i - 1];
+ setup_changed = TRUE;
+ }
+
+ g_free(pod_enabled);
+
+ if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK)
+ return SR_ERR;
+
+ return SR_OK;
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+{
+ GSList *l;
+ gboolean digital_added;
+ struct sr_channel *ch;
+ struct dev_context *devc;
+ struct sr_scpi_dev_inst *scpi;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ scpi = sdi->conn;
+ devc = sdi->priv;
+ digital_added = FALSE;
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (!ch->enabled)
+ continue;
+ /* Only add a single digital channel. */
+ if (ch->type != SR_CHANNEL_LOGIC || !digital_added) {
+ devc->enabled_channels = g_slist_append(
+ devc->enabled_channels, ch);
+ if (ch->type == SR_CHANNEL_LOGIC)
+ digital_added = TRUE;
+ }
+ }
- return SR_OK;
+ if (!devc->enabled_channels)
+ return SR_ERR;
+
+ if (hmo_check_channels(devc->enabled_channels) != SR_OK) {
+ sr_err("Invalid channel configuration specified!");
+ return SR_ERR_NA;
+ }
+
+ if (hmo_setup_channels(sdi) != SR_OK) {
+ sr_err("Failed to setup channel configuration!");
+ return SR_ERR;
+ }
+
+ sr_scpi_source_add(scpi, G_IO_IN, 50, hmo_receive_data, (void *)sdi);
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ devc->current_channel = devc->enabled_channels;
+
+ return hmo_request_data(sdi);
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
+ struct dev_context *devc;
+ struct sr_scpi_dev_inst *scpi;
+ struct sr_datafeed_packet packet;
+
(void)cb_data;
+ packet.type = SR_DF_END;
+ packet.payload = NULL;
+ sr_session_send(sdi, &packet);
+
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* 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(scpi);
return SR_OK;
}
SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = {
.name = "hameg-hmo",
- .longname = "Hameg HMO scope driver",
+ .longname = "Hameg HMO",
.api_version = 1,
.init = init,
.cleanup = cleanup,
projects / libsigrok.git / blobdiff