]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/yokogawa-dlm/api.c
output/csv: use intermediate time_t var, silence compiler warning
[libsigrok.git] / src / hardware / yokogawa-dlm / api.c
index cd33eb1a27311ab30b29a3c71529433eb99e7912..c1fe1b019e0a27ae4d1b251a2ef6726c01d862b1 100644 (file)
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <stdlib.h>
+#include "scpi.h"
 #include "protocol.h"
 
-SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info;
-static struct sr_dev_driver *di = &yokogawa_dlm_driver_info;
+static struct sr_dev_driver yokogawa_dlm_driver_info;
 
-static char *MANUFACTURER_ID = "YOKOGAWA";
-static char *MANUFACTURER_NAME = "Yokogawa";
+static const char *MANUFACTURER_ID = "YOKOGAWA";
+
+static const uint32_t scanopts[] = {
+       SR_CONF_CONN,
+};
+
+static const uint32_t drvopts[] = {
+       SR_CONF_LOGIC_ANALYZER,
+       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 const uint32_t devopts_cg_digital[] = {
+       /* EMPTY */
+};
 
 enum {
        CG_INVALID = -1,
@@ -34,12 +63,7 @@ enum {
        CG_DIGITAL,
 };
 
-static int init(struct sr_context *sr_ctx)
-{
-       return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi)
+static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 {
        struct sr_dev_inst *sdi;
        struct dev_context *devc;
@@ -62,16 +86,19 @@ static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi)
        if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK)
                goto fail;
 
-       if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, MANUFACTURER_NAME,
-                       model_name, NULL)))
-               goto fail;
+       sdi = g_malloc0(sizeof(struct sr_dev_inst));
+       sdi->vendor = g_strdup("Yokogawa");
+       sdi->model = g_strdup(model_name);
+       sdi->version = g_strdup(hw_info->firmware_version);
+
+       sdi->serial_num = g_strdup(hw_info->serial_number);
 
        sr_scpi_hw_info_free(hw_info);
        hw_info = NULL;
 
        devc = g_malloc0(sizeof(struct dev_context));
 
-       sdi->driver = di;
+       sdi->driver = &yokogawa_dlm_driver_info;
        sdi->priv = devc;
        sdi->inst_type = SR_INST_SCPI;
        sdi->conn = scpi;
@@ -79,182 +106,139 @@ static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi)
        if (dlm_device_init(sdi, model_index) != 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);
+       sr_scpi_hw_info_free(hw_info);
+       sr_dev_inst_free(sdi);
+       g_free(devc);
 
        return NULL;
 }
 
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
-       return sr_scpi_scan(di->priv, options, probe_usbtmc_device);
+       return sr_scpi_scan(di->context, options, probe_device);
 }
 
-static GSList *dev_list(void)
+static void clear_helper(struct dev_context *devc)
 {
-       return ((struct drv_context *)(di->priv))->instances;
-}
-
-static void clear_helper(void *priv)
-{
-       struct dev_context *devc;
-
-       devc = priv;
-
        dlm_scope_state_destroy(devc->model_state);
-
        g_free(devc->analog_groups);
        g_free(devc->digital_groups);
-       g_free(devc);
 }
 
-static int dev_clear(void)
+static int dev_clear(const struct sr_dev_driver *di)
 {
-       return std_dev_clear(di, clear_helper);
+       return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
-       if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK)
+       if (sr_scpi_open(sdi->conn) != SR_OK)
                return SR_ERR;
 
        if (dlm_scope_state_query(sdi) != SR_OK)
                return SR_ERR;
 
-       sdi->status = SR_ST_ACTIVE;
-
        return SR_OK;
 }
 
 static int dev_close(struct sr_dev_inst *sdi)
 {
-       if (sdi->status == SR_ST_INACTIVE)
-               return SR_OK;
-
-       sr_scpi_close(sdi->conn);
-
-       sdi->status = SR_ST_INACTIVE;
-
-       return SR_OK;
-}
-
-static int cleanup(void)
-{
-       dev_clear();
-
-       return SR_OK;
+       return sr_scpi_close(sdi->conn);
 }
 
 /**
  * Check which category a given channel group belongs to.
  *
  * @param devc Our internal device context.
- * @param cg   The channel group to check.
+ * @param cg The channel group to check.
  *
- * @retval CG_NONE    cg is NULL
- * @retval CG_ANALOG  cg is an analog group
+ * @retval CG_NONE cg is NULL
+ * @retval CG_ANALOG cg is an analog group
  * @retval CG_DIGITAL cg is a digital group
  * @retval CG_INVALID cg is something else
  */
 static int check_channel_group(struct dev_context *devc,
                        const struct sr_channel_group *cg)
 {
-       unsigned int i;
-       struct scope_config *model;
+       const struct scope_config *model;
 
+       if (!devc)
+               return CG_INVALID;
        model = devc->model_config;
 
        if (!cg)
                return CG_NONE;
 
-       for (i = 0; i < model->analog_channels; ++i)
-               if (cg == devc->analog_groups[i])
-                       return CG_ANALOG;
+       if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) >= 0)
+               return CG_ANALOG;
 
-       for (i = 0; i < model->pods; ++i)
-               if (cg == devc->digital_groups[i])
-                       return CG_DIGITAL;
+       if (std_cg_idx(cg, devc->digital_groups, model->pods) >= 0)
+               return CG_DIGITAL;
 
        sr_err("Invalid channel group specified.");
+
        return CG_INVALID;
 }
 
-static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
-               const struct sr_channel_group *cg)
+static int config_get(uint32_t key, GVariant **data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
-       int ret, cg_type;
-       unsigned int i;
+       int ret, cg_type, idx;
        struct dev_context *devc;
-       struct scope_config *model;
+       const struct scope_config *model;
        struct scope_state *state;
 
-       if (!sdi || !(devc = sdi->priv))
+       if (!sdi)
                return SR_ERR_ARG;
 
+       devc = sdi->priv;
+
        if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
                return SR_ERR;
 
-       ret = SR_ERR_NA;
        model = devc->model_config;
        state = devc->model_state;
 
        switch (key) {
-       case SR_CONF_NUM_TIMEBASE:
+       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][0],
-                               (*model->timebases)[state->timebase][1]);
+                               dlm_timebases[state->timebase][0],
+                               dlm_timebases[state->timebase][1]);
                ret = SR_OK;
                break;
        case SR_CONF_NUM_VDIV:
-               if (cg_type == CG_NONE) {
-                       sr_err("No channel group specified.");
+               if (!cg)
                        return SR_ERR_CHANNEL_GROUP;
-               } else if (cg_type == CG_ANALOG) {
-                               *data = g_variant_new_int32(model->num_ydivs);
-                               ret = SR_OK;
-                               break;
-               } else {
-                       ret = SR_ERR_NA;
-               }
+               if (cg_type != CG_ANALOG)
+                       return SR_ERR_NA;
+               *data = g_variant_new_int32(model->num_ydivs);
+               ret = SR_OK;
                break;
        case SR_CONF_VDIV:
-               ret = SR_ERR_NA;
-               if (cg_type == CG_NONE) {
-                       sr_err("No channel group specified.");
+               if (!cg)
                        return SR_ERR_CHANNEL_GROUP;
-               } else if (cg_type != CG_ANALOG)
-                       break;
-
-               for (i = 0; i < model->analog_channels; ++i) {
-                       if (cg != devc->analog_groups[i])
-                               continue;
-                       *data = g_variant_new("(tt)",
-                                       (*model->vdivs)[state->analog_states[i].vdiv][0],
-                                       (*model->vdivs)[state->analog_states[i].vdiv][1]);
-                       ret = SR_OK;
-                       break;
-               }
+               if (cg_type != CG_ANALOG)
+                       return SR_ERR_NA;
+               if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
+                       return SR_ERR_ARG;
+               *data = g_variant_new("(tt)",
+                               dlm_vdivs[state->analog_states[idx].vdiv][0],
+                               dlm_vdivs[state->analog_states[idx].vdiv][1]);
+               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]);
+               *data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]);
                ret = SR_OK;
                break;
        case SR_CONF_HORIZ_TRIGGERPOS:
@@ -262,20 +246,14 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                ret = SR_OK;
                break;
        case SR_CONF_COUPLING:
-               ret = SR_ERR_NA;
-               if (cg_type == CG_NONE) {
-                       sr_err("No channel group specified.");
+               if (!cg)
                        return SR_ERR_CHANNEL_GROUP;
-               } else if (cg_type != CG_ANALOG)
-                       break;
-
-               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_states[i].coupling]);
-                       ret = SR_OK;
-                       break;
-               }
+               if (cg_type != CG_ANALOG)
+                       return SR_ERR_NA;
+               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_states[idx].coupling]);
+               ret = SR_OK;
                break;
        case SR_CONF_SAMPLERATE:
                *data = g_variant_new_uint64(state->sample_rate);
@@ -288,36 +266,14 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
        return ret;
 }
 
-static GVariant *build_tuples(const uint64_t (*array)[][2], 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][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(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
-               const struct sr_channel_group *cg)
+static int config_set(uint32_t key, GVariant *data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
-       int ret, cg_type;
-       unsigned int i, j;
+       int ret, cg_type, idx, j;
        char float_str[30];
        struct dev_context *devc;
-       struct scope_config *model;
+       const struct scope_config *model;
        struct scope_state *state;
-       const char *tmp;
-       uint64_t p, q;
        double tmp_d;
        gboolean update_sample_rate;
 
@@ -331,67 +287,41 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        state = devc->model_state;
        update_sample_rate = FALSE;
 
-       ret = SR_ERR_NA;
-
        switch (key) {
        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;
-                       /* TODO: A and B trigger support possible? */
-                       ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]);
-                       break;
-               }
+               if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
+                       return SR_ERR_ARG;
+               state->trigger_source = idx;
+               /* TODO: A and B trigger support possible? */
+               ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[idx]);
                break;
        case SR_CONF_VDIV:
-               if (cg_type == CG_NONE) {
-                       sr_err("No channel group specified.");
+               if (!cg)
                        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_states[j - 1].vdiv = i;
-                               g_ascii_formatd(float_str, sizeof(float_str),
-                                               "%E", (float) p / q);
-                               if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK ||
-                                               sr_scpi_get_opc(sdi->conn) != SR_OK)
-                                       return SR_ERR;
-
-                               break;
-                       }
-
-                       ret = SR_OK;
-                       break;
-               }
+               if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_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_states[j].vdiv = idx;
+               g_ascii_formatd(float_str, sizeof(float_str),
+                               "%E", (float) dlm_vdivs[idx][0] / dlm_vdivs[idx][1]);
+               if (dlm_analog_chan_vdiv_set(sdi->conn, j + 1, float_str) != SR_OK ||
+                               sr_scpi_get_opc(sdi->conn) != SR_OK)
+                       return SR_ERR;
+               ret = SR_OK;
                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);
-                       ret = dlm_timebase_set(sdi->conn, float_str);
-                       update_sample_rate = TRUE;
-                       break;
-               }
+               if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_timebases))) < 0)
+                       return SR_ERR_ARG;
+               state->timebase = idx;
+               g_ascii_formatd(float_str, sizeof(float_str),
+                               "%E", (float) dlm_timebases[idx][0] / dlm_timebases[idx][1]);
+               ret = dlm_timebase_set(sdi->conn, float_str);
+               update_sample_rate = TRUE;
                break;
        case SR_CONF_HORIZ_TRIGGERPOS:
                tmp_d = g_variant_get_double(data);
@@ -402,50 +332,32 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 
                state->horiz_triggerpos = tmp_d;
                tmp_d = -(tmp_d - 0.5) *
-                               ((double) (*model->timebases)[state->timebase][0] /
-                               (*model->timebases)[state->timebase][1])
+                               ((double) dlm_timebases[state->timebase][0] /
+                               dlm_timebases[state->timebase][1])
                                * model->num_xdivs;
 
                g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
                ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str);
                break;
        case SR_CONF_TRIGGER_SLOPE:
-               tmp = g_variant_get_string(data, NULL);
-
-               if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r'))
+               if ((idx = std_str_idx(data, ARRAY_AND_SIZE(dlm_trigger_slopes))) < 0)
                        return SR_ERR_ARG;
-
                /* Note: See dlm_trigger_slopes[] in protocol.c. */
-               state->trigger_slope = (tmp[0] == 'r') ?
-                               SLOPE_POSITIVE : SLOPE_NEGATIVE;
-
+               state->trigger_slope = idx;
                ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
                break;
        case SR_CONF_COUPLING:
-               if (cg_type == CG_NONE) {
-                       sr_err("No channel group specified.");
+               if (!cg)
                        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_states[j-1].coupling = i;
-
-                               if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK ||
-                                               sr_scpi_get_opc(sdi->conn) != SR_OK)
-                                       return SR_ERR;
-                               break;
-                       }
-
-                       ret = SR_OK;
-                       break;
-               }
+               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_states[j].coupling = idx;
+               if (dlm_analog_chan_coupl_set(sdi->conn, j + 1, (*model->coupling_options)[idx]) != SR_OK ||
+                               sr_scpi_get_opc(sdi->conn) != SR_OK)
+                       return SR_ERR;
+               ret = SR_OK;
                break;
        default:
                ret = SR_ERR_NA;
@@ -461,55 +373,80 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        return ret;
 }
 
-static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
-               const struct sr_channel_group *cg)
+static int config_channel_set(const struct sr_dev_inst *sdi,
+       struct sr_channel *ch, unsigned int changes)
 {
-       int cg_type;
-       struct dev_context *devc;
-       struct scope_config *model;
+       /* Currently we only handle SR_CHANNEL_SET_ENABLED. */
+       if (changes != SR_CHANNEL_SET_ENABLED)
+               return SR_ERR_NA;
 
-       if (!sdi || !(devc = sdi->priv))
-               return SR_ERR_ARG;
+       return dlm_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)
+{
+       int cg_type = CG_NONE;
+       struct dev_context *devc;
+       const struct scope_config *model;
+
+       devc = (sdi) ? sdi->priv : NULL;
+       model = (devc) ? devc->model_config : NULL;
+
+       if (!cg) {
+               switch (key) {
+               case SR_CONF_SCAN_OPTIONS:
+               case SR_CONF_DEVICE_OPTIONS:
+                       return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
+               case SR_CONF_TIMEBASE:
+                       *data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_timebases));
+                       return SR_OK;
+               case SR_CONF_TRIGGER_SOURCE:
+                       if (!model)
+                               return SR_ERR_ARG;
+                       *data = g_variant_new_strv(*model->trigger_sources, model->num_trigger_sources);
+                       return SR_OK;
+               case SR_CONF_TRIGGER_SLOPE:
+                       *data = g_variant_new_strv(ARRAY_AND_SIZE(dlm_trigger_slopes));
+                       return SR_OK;
+               case SR_CONF_NUM_HDIV:
+                       if (!model)
+                               return SR_ERR_ARG;
+                       *data = g_variant_new_uint32(model->num_xdivs);
+                       return SR_OK;
+               default:
+                       return SR_ERR_NA;
+               }
+       }
 
        if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
                return SR_ERR;
 
-       model = devc->model_config;
-
        switch (key) {
        case SR_CONF_DEVICE_OPTIONS:
-               if (cg_type == CG_NONE) {
-                       *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               model->devopts, model->num_devopts, sizeof(uint32_t));
-               } else if (cg_type == CG_ANALOG) {
-                       *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               model->analog_devopts, model->num_analog_devopts,       sizeof(uint32_t));
-               } else {
-                       *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               NULL, 0, sizeof(uint32_t));
+               if (cg_type == CG_ANALOG) {
+                       *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
+                       break;
                }
+               if (cg_type == CG_DIGITAL) {
+                       if (!ARRAY_SIZE(devopts_cg_digital)) {
+                               *data = std_gvar_array_u32(NULL, 0);
+                               break;
+                       }
+                       *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_digital));
+                       break;
+               }
+               *data = std_gvar_array_u32(NULL, 0);
                break;
        case SR_CONF_COUPLING:
-               if (cg_type == CG_NONE)
+               if (!cg)
                        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);
+               *data = g_variant_new_strv(*model->coupling_options, model->num_coupling_options);
                break;
        case SR_CONF_VDIV:
-               if (cg_type == CG_NONE)
+               if (!cg)
                        return SR_ERR_CHANNEL_GROUP;
-               *data = build_tuples(model->vdivs, model->num_vdivs);
+               *data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_vdivs));
                break;
        default:
                return SR_ERR_NA;
@@ -549,79 +486,7 @@ static int dlm_check_channels(GSList *channels)
        return SR_OK;
 }
 
-static int dlm_setup_channels(const struct sr_dev_inst *sdi)
-{
-       GSList *l;
-       unsigned int i;
-       gboolean *pod_enabled, setup_changed;
-       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_malloc0(sizeof(gboolean) * model->pods);
-
-       for (l = sdi->channels; l; l = l->next) {
-               ch = l->data;
-               switch (ch->type) {
-               case SR_CHANNEL_ANALOG:
-                       if (ch->enabled == state->analog_states[ch->index].state)
-                               break;
-
-                       if (dlm_analog_chan_state_set(scpi, ch->index + 1,
-                                       ch->enabled) != SR_OK)
-                               return SR_ERR;
-
-                       state->analog_states[ch->index].state = ch->enabled;
-                       setup_changed = TRUE;
-                       break;
-               case SR_CHANNEL_LOGIC:
-                       if (ch->enabled)
-                               pod_enabled[ch->index / 8] = TRUE;
-
-                       if (ch->enabled == state->digital_states[ch->index])
-                               break;
-
-                       if (dlm_digital_chan_state_set(scpi, ch->index + 1,
-                                       ch->enabled) != SR_OK)
-                               return SR_ERR;
-
-                       state->digital_states[ch->index] = ch->enabled;
-                       setup_changed = TRUE;
-                       break;
-               default:
-                       return SR_ERR;
-               }
-       }
-
-       for (i = 1; i <= model->pods; ++i) {
-               if (state->pod_states[i - 1] == pod_enabled[i - 1])
-                       continue;
-
-               if (dlm_digital_pod_state_set(scpi, i,
-                               pod_enabled[i - 1]) != SR_OK)
-                       return SR_ERR;
-
-               state->pod_states[i - 1] = pod_enabled[i - 1];
-               setup_changed = TRUE;
-       }
-
-       g_free(pod_enabled);
-
-       if (setup_changed && dlm_sample_rate_query(sdi) != SR_OK)
-               return SR_ERR;
-
-       return SR_OK;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
        GSList *l;
        gboolean digital_added;
@@ -629,11 +494,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        struct dev_context *devc;
        struct sr_scpi_dev_inst *scpi;
 
-       (void)cb_data;
-
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        scpi = sdi->conn;
        devc = sdi->priv;
        digital_added = FALSE;
@@ -662,35 +522,21 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
                return SR_ERR_NA;
        }
 
-       if (dlm_setup_channels(sdi) != SR_OK) {
-               sr_err("Failed to setup channel configuration!");
-               return SR_ERR;
-       }
-
        /* Request data for the first enabled channel. */
        devc->current_channel = devc->enabled_channels;
        dlm_channel_data_request(sdi);
 
-       /* Call our callback when data comes in or after 5ms. */
        sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5,
                        dlm_data_receive, (void *)sdi);
 
        return SR_OK;
 }
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
-       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;
+       std_session_send_df_end(sdi);
 
        devc = sdi->priv;
 
@@ -703,21 +549,23 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
        return SR_OK;
 }
 
-SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info = {
+static struct sr_dev_driver yokogawa_dlm_driver_info = {
        .name = "yokogawa-dlm",
        .longname = "Yokogawa DL/DLM",
        .api_version = 1,
-       .init = init,
-       .cleanup = cleanup,
+       .init = std_init,
+       .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .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_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(yokogawa_dlm_driver_info);