]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/rigol-ds/api.c
drivers: Provide proper drvopts.
[libsigrok.git] / src / hardware / rigol-ds / api.c
index 7bb67512873938c537bd81e3e3e0df515561deda..bfb6cd415eb5f8671eebe7808749aeb3f1131b60 100644 (file)
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <strings.h>
 #include <math.h>
 #include <glib.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
+#include "scpi.h"
 #include "protocol.h"
 
-static const uint32_t hwopts[] = {
+static const uint32_t scanopts[] = {
        SR_CONF_CONN,
-       SR_CONF_SERIALCOMM
+       SR_CONF_SERIALCOMM,
 };
 
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
        SR_CONF_OSCILLOSCOPE,
-       SR_CONF_TIMEBASE,
-       SR_CONF_TRIGGER_SOURCE,
-       SR_CONF_TRIGGER_SLOPE,
-       SR_CONF_HORIZ_TRIGGERPOS,
-       SR_CONF_NUM_TIMEBASE,
-       SR_CONF_LIMIT_FRAMES,
-       SR_CONF_SAMPLERATE,
+};
+
+static const uint32_t devopts[] = {
+       SR_CONF_LIMIT_FRAMES | 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_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,
+       SR_CONF_TRIGGER_LEVEL | SR_CONF_GET | SR_CONF_SET,
+       SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 };
 
 static const uint32_t analog_devopts[] = {
-       SR_CONF_NUM_VDIV,
-       SR_CONF_VDIV,
-       SR_CONF_COUPLING,
-       SR_CONF_DATA_SOURCE,
+       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,
+       SR_CONF_PROBE_FACTOR | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 };
 
 static const uint64_t timebases[][2] = {
@@ -113,6 +121,9 @@ static const uint64_t vdivs[][2] = {
        { 2, 1 },
        { 5, 1 },
        { 10, 1 },
+       { 20, 1 },
+       { 50, 1 },
+       { 100, 1 },
 };
 
 #define NUM_TIMEBASE  ARRAY_SIZE(timebases)
@@ -154,6 +165,19 @@ static const char *coupling[] = {
        "GND",
 };
 
+static const uint64_t probe_factor[] = {
+       1,
+       2,
+       5,
+       10,
+       20,
+       50,
+       100,
+       200,
+       500,
+       1000,
+};
+
 /* Do not change the order of entries */
 static const char *data_sources[] = {
        "Live",
@@ -172,6 +196,7 @@ enum series {
        DS2000,
        DS2000A,
        DSO1000,
+       DS1000Z,
 };
 
 /* short name, full name */
@@ -189,11 +214,13 @@ static const struct rigol_ds_series supported_series[] = {
        [DS1000] = {VENDOR(RIGOL), "DS1000", PROTOCOL_V2, FORMAT_IEEE488_2,
                {50, 1}, {2, 1000}, 12, 600, 1048576},
        [DS2000] = {VENDOR(RIGOL), "DS2000", PROTOCOL_V3, FORMAT_IEEE488_2,
-               {500, 1}, {2, 1000}, 14, 1400, 14000},
+               {500, 1}, {500, 1000000}, 14, 1400, 14000},
        [DS2000A] = {VENDOR(RIGOL), "DS2000A", PROTOCOL_V3, FORMAT_IEEE488_2,
                {1000, 1}, {500, 1000000}, 14, 1400, 14000},
        [DSO1000] = {VENDOR(AGILENT), "DSO1000", PROTOCOL_V3, FORMAT_IEEE488_2,
                {50, 1}, {2, 1000}, 12, 600, 20480},
+       [DS1000Z] = {VENDOR(RIGOL), "DS1000Z", PROTOCOL_V4, FORMAT_IEEE488_2,
+               {50, 1}, {1, 1000}, 12, 1200, 12000000},
 };
 
 #define SERIES(x) &supported_series[x]
@@ -223,23 +250,35 @@ static const struct rigol_ds_model supported_models[] = {
        {SERIES(DS2000A), "DS2102A", {5, 1000000000}, 2, false},
        {SERIES(DS2000A), "DS2202A", {2, 1000000000}, 2, false},
        {SERIES(DS2000A), "DS2302A", {1, 1000000000}, 2, false},
+       {SERIES(DS2000A), "MSO2072A", {5, 1000000000}, 2, true},
+       {SERIES(DS2000A), "MSO2102A", {5, 1000000000}, 2, true},
+       {SERIES(DS2000A), "MSO2202A", {2, 1000000000}, 2, true},
+       {SERIES(DS2000A), "MSO2302A", {1, 1000000000}, 2, true},
        {SERIES(DSO1000), "DSO1002A", {5, 1000000000}, 2, false},
        {SERIES(DSO1000), "DSO1004A", {5, 1000000000}, 4, false},
        {SERIES(DSO1000), "DSO1012A", {2, 1000000000}, 2, false},
        {SERIES(DSO1000), "DSO1014A", {2, 1000000000}, 4, false},
        {SERIES(DSO1000), "DSO1022A", {2, 1000000000}, 2, false},
        {SERIES(DSO1000), "DSO1024A", {2, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1054Z", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1074Z", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1104Z", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1074Z-S", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1104Z-S", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1074Z Plus", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "DS1104Z Plus", {5, 1000000000}, 4, false},
+       {SERIES(DS1000Z), "MSO1074Z", {5, 1000000000}, 4, true},
+       {SERIES(DS1000Z), "MSO1104Z", {5, 1000000000}, 4, true},
+       {SERIES(DS1000Z), "MSO1074Z-S", {5, 1000000000}, 4, true},
+       {SERIES(DS1000Z), "MSO1104Z-S", {5, 1000000000}, 4, true},
 };
 
-SR_PRIV struct sr_dev_driver rigol_ds_driver_info;
-static struct sr_dev_driver *di = &rigol_ds_driver_info;
+static struct sr_dev_driver rigol_ds_driver_info;
 
-static void clear_helper(void *priv)
+static void clear_helper(struct dev_context *devc)
 {
-       struct dev_context *devc;
        unsigned int i;
 
-       devc = priv;
        g_free(devc->data);
        g_free(devc->buffer);
        for (i = 0; i < ARRAY_SIZE(devc->coupling); i++)
@@ -247,18 +286,11 @@ static void clear_helper(void *priv)
        g_free(devc->trigger_source);
        g_free(devc->trigger_slope);
        g_free(devc->analog_groups);
-       g_free(devc->digital_group);
-       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);
-}
-
-static int init(struct sr_context *sr_ctx)
-{
-       return std_init(sr_ctx, di, LOG_PREFIX);
+       return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
@@ -283,7 +315,7 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        }
 
        for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
-               if (!strcasecmp(hw_info->manufacturer,
+               if (!g_ascii_strcasecmp(hw_info->manufacturer,
                                        supported_models[i].series->vendor->full_name) &&
                                !strcmp(hw_info->model, supported_models[i].name)) {
                        model = &supported_models[i];
@@ -291,22 +323,20 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
                }
        }
 
-       if (!model || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
-                                             model->series->vendor->name,
-                                                 model->name,
-                                                 hw_info->firmware_version))) {
+       if (!model) {
                sr_scpi_hw_info_free(hw_info);
                return NULL;
        }
 
+       sdi = g_malloc0(sizeof(struct sr_dev_inst));
+       sdi->vendor = g_strdup(model->series->vendor->name);
+       sdi->model = g_strdup(model->name);
+       sdi->version = g_strdup(hw_info->firmware_version);
        sdi->conn = scpi;
-
-       sdi->driver = di;
+       sdi->driver = &rigol_ds_driver_info;
        sdi->inst_type = SR_INST_SCPI;
-
-       if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
-               return NULL;
-
+       sdi->serial_num = g_strdup(hw_info->serial_number);
+       devc = g_malloc0(sizeof(struct dev_context));
        devc->limit_frames = 0;
        devc->model = model;
        devc->format = model->series->format;
@@ -325,13 +355,13 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
                        }
                        if (i != 3)
                                break;
-                       if (n[0] != 0 || n[1] > 2)
-                               break;
-                       if (n[1] == 2 && n[2] > 3)
-                               break;
-                       sr_dbg("Found DS1000 firmware < 0.2.4, using raw data format.");
-                       devc->format = FORMAT_RAW;
-               } while(0);
+                       scpi->firmware_version = n[0] * 100 + n[1] * 10 + n[2];
+                       if (scpi->firmware_version < 24) {
+                               sr_dbg("Found DS1000 firmware < 0.2.4, using raw data format.");
+                               devc->format = FORMAT_RAW;
+                       }
+                       break;
+               } while (0);
                g_strfreev(version);
        }
 
@@ -341,10 +371,8 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
                                        model->analog_channels);
 
        for (i = 0; i < model->analog_channels; i++) {
-               if (!(channel_name = g_strdup_printf("CH%d", i + 1)))
-                       return NULL;
-               ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE, channel_name);
-               sdi->channels = g_slist_append(sdi->channels, ch);
+               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));
 
@@ -355,16 +383,12 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        }
 
        if (devc->model->has_digital) {
-               devc->digital_group = g_malloc0(sizeof(struct sr_channel_group*));
+               devc->digital_group = g_malloc0(sizeof(struct sr_channel_group));
 
                for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
-                       if (!(channel_name = g_strdup_printf("D%d", i)))
-                               return NULL;
-                       ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, channel_name);
+                       channel_name = g_strdup_printf("D%d", i);
+                       ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
                        g_free(channel_name);
-                       if (!ch)
-                               return NULL;
-                       sdi->channels = g_slist_append(sdi->channels, ch);
                        devc->digital_group->channels = g_slist_append(
                                        devc->digital_group->channels, ch);
                }
@@ -380,14 +404,16 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
                        devc->num_timebases = &timebases[i] - devc->timebases + 1;
        }
 
-       for (i = 0; i < NUM_VDIV; i++)
-               if (!memcmp(&devc->model->series->min_vdiv, &vdivs[i], sizeof(uint64_t[2])))
+       for (i = 0; i < NUM_VDIV; i++) {
+               if (!memcmp(&devc->model->series->min_vdiv,
+                                       &vdivs[i], sizeof(uint64_t[2]))) {
                        devc->vdivs = &vdivs[i];
+                       devc->num_vdivs = NUM_VDIV - i;
+               }
+       }
 
-       if (!(devc->buffer = g_try_malloc(ACQ_BUFFER_SIZE)))
-               return NULL;
-       if (!(devc->data = g_try_malloc(ACQ_BUFFER_SIZE * sizeof(float))))
-               return NULL;
+       devc->buffer = g_malloc(ACQ_BUFFER_SIZE);
+       devc->data = g_malloc(ACQ_BUFFER_SIZE * sizeof(float));
 
        devc->data_source = DATA_SOURCE_LIVE;
 
@@ -396,27 +422,25 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        return sdi;
 }
 
-static GSList *scan(GSList *options)
-{
-       return sr_scpi_scan(di->priv, options, probe_device);
-}
-
-static GSList *dev_list(void)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
-       return ((struct drv_context *)(di->priv))->instances;
+       return sr_scpi_scan(di->context, options, probe_device);
 }
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
+       int ret;
        struct sr_scpi_dev_inst *scpi = sdi->conn;
 
-       if (sr_scpi_open(scpi) < 0)
+       if ((ret = sr_scpi_open(scpi)) < 0) {
+               sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
                return SR_ERR;
+       }
 
-       if (rigol_ds_get_dev_cfg(sdi) != SR_OK)
+       if ((ret = rigol_ds_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;
 }
@@ -426,27 +450,16 @@ static int dev_close(struct sr_dev_inst *sdi)
        struct sr_scpi_dev_inst *scpi;
        struct dev_context *devc;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        scpi = sdi->conn;
        devc = sdi->priv;
 
+       if (!scpi)
+               return SR_ERR_BUG;
+
        if (devc->model->series->protocol == PROTOCOL_V2)
                rigol_ds_config_set(sdi, ":KEY:LOCK DISABLE");
 
-       if (scpi) {
-               if (sr_scpi_close(scpi) < 0)
-                       return SR_ERR;
-               sdi->status = SR_ST_INACTIVE;
-       }
-
-       return SR_OK;
-}
-
-static int cleanup(void)
-{
-       return dev_clear();
+       return sr_scpi_close(scpi);
 }
 
 static int analog_frame_size(const struct sr_dev_inst *sdi)
@@ -497,13 +510,15 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
        const char *tmp_str;
        uint64_t samplerate;
        int analog_channel = -1;
-       float smallest_diff = 0.0000000001;
+       float smallest_diff = INFINITY;
        int idx = -1;
        unsigned i;
 
-       if (!sdi || !(devc = sdi->priv))
+       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.");
@@ -522,11 +537,12 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
        }
 
        switch (key) {
-       case SR_CONF_NUM_TIMEBASE:
+       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(NUM_VDIV);
+               *data = g_variant_new_int32(devc->num_vdivs);
+               break;
        case SR_CONF_DATA_SOURCE:
                if (devc->data_source == DATA_SOURCE_LIVE)
                        *data = g_variant_new_string("Live");
@@ -541,6 +557,7 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                                (devc->timebase * devc->model->series->num_horizontal_divs);
                        *data = g_variant_new_uint64(samplerate);
                } else {
+                       sr_dbg("Unknown data source: %d.", devc->data_source);
                        return SR_ERR_NA;
                }
                break;
@@ -560,14 +577,19 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                *data = g_variant_new_string(tmp_str);
                break;
        case SR_CONF_TRIGGER_SLOPE:
-               if (!strcmp(devc->trigger_slope, "POS"))
+               if (!strncmp(devc->trigger_slope, "POS", 3)) {
                        tmp_str = "r";
-               else if (!strcmp(devc->trigger_slope, "NEG"))
+               } else if (!strncmp(devc->trigger_slope, "NEG", 3)) {
                        tmp_str = "f";
-               else
+               } 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_TIMEBASE:
                for (i = 0; i < devc->num_timebases; i++) {
                        float tb = (float)devc->timebases[i][0] / devc->timebases[i][1];
@@ -577,14 +599,18 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                                idx = i;
                        }
                }
-               if (idx < 0)
+               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)
+               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 = (float)vdivs[i][0] / vdivs[i][1];
                        float diff = fabs(devc->vdiv[analog_channel] - vdiv);
@@ -593,15 +619,26 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                                idx = i;
                        }
                }
-               if (idx < 0)
+               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)
+               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;
        }
@@ -620,11 +657,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        const char *tmp_str;
        char buffer[16];
 
-       if (!(devc = sdi->priv))
-               return SR_ERR_ARG;
-
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
+       devc = sdi->priv;
 
        /* If a channel group is specified, it must be a valid one. */
        if (cg && !g_slist_find(sdi->channel_groups, cg)) {
@@ -640,8 +673,11 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        case SR_CONF_TRIGGER_SLOPE:
                tmp_str = g_variant_get_string(data, NULL);
 
-               if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r'))
+               if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) {
+                       sr_err("Unknown trigger slope: '%s'.",
+                              (tmp_str) ? tmp_str : "NULL");
                        return SR_ERR_ARG;
+               }
 
                g_free(devc->trigger_slope);
                devc->trigger_slope = g_strdup((tmp_str[0] == 'r') ? "POS" : "NEG");
@@ -649,8 +685,10 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                break;
        case SR_CONF_HORIZ_TRIGGERPOS:
                t_dbl = g_variant_get_double(data);
-               if (t_dbl < 0.0 || t_dbl > 1.0)
+               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. */
@@ -658,6 +696,13 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                g_ascii_formatd(buffer, sizeof(buffer), "%.6f", t_dbl);
                ret = rigol_ds_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 = rigol_ds_config_set(sdi, ":TRIG:EDGE:LEV %s", buffer);
+               if (ret == SR_OK)
+                       devc->trigger_level = t_dbl;
+               break;
        case SR_CONF_TIMEBASE:
                g_variant_get(data, "(tt)", &p, &q);
                for (i = 0; i < devc->num_timebases; i++) {
@@ -669,8 +714,10 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                                break;
                        }
                }
-               if (i == devc->num_timebases)
+               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);
@@ -694,8 +741,10 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                                break;
                        }
                }
-               if (i == ARRAY_SIZE(trigger_sources))
+               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) {
@@ -714,9 +763,11 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                                        return rigol_ds_config_set(sdi, ":CHAN%d:SCAL %s", i + 1,
                                                        buffer);
                                }
+                               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) {
@@ -734,9 +785,35 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                                                                devc->coupling[i]);
                                        }
                                }
+                               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 = rigol_ds_config_set(sdi, ":CHAN%d:PROB %"PRIu64,
+                                                                         i + 1, p);
+                                               if (ret == SR_OK)
+                                                       rigol_ds_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);
@@ -748,12 +825,13 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                else if (devc->model->series->protocol >= PROTOCOL_V3
                         && !strcmp(tmp_str, "Segmented"))
                        devc->data_source = DATA_SOURCE_SEGMENTED;
-               else
+               else {
+                       sr_err("Unknown data source: '%s'.", tmp_str);
                        return SR_ERR;
+               }
                break;
        default:
-               ret = SR_ERR_NA;
-               break;
+               return SR_ERR_NA;
        }
 
        return ret;
@@ -765,42 +843,15 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        GVariant *tuple, *rational[2];
        GVariantBuilder gvb;
        unsigned int i;
-       struct dev_context *devc = NULL;
-
-       if (sdi)
-               devc = sdi->priv;
-
-       if (key == SR_CONF_SCAN_OPTIONS) {
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               hwopts, ARRAY_SIZE(hwopts), sizeof(uint32_t));
-               return SR_OK;
-       } else if (key == SR_CONF_DEVICE_OPTIONS && cg == NULL) {
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
-               return SR_OK;
-       }
-
-       /* Every other option requires a valid device instance. */
-       if (!sdi || !(devc = sdi->priv))
-               return SR_ERR_ARG;
+       struct dev_context *devc;
 
-       /* If a channel group is specified, it must be a valid one. */
-       if (cg) {
-               for (i = 0; i < devc->model->analog_channels; i++)
-                       if (cg == devc->analog_groups[i])
-                               break;
-               if (i >= devc->model->analog_channels) {
-                       sr_err("Invalid channel group specified.");
-                       return SR_ERR;
-               }
-       }
+       devc = (sdi) ? sdi->priv : NULL;
 
        switch (key) {
+       case SR_CONF_SCAN_OPTIONS:
        case SR_CONF_DEVICE_OPTIONS:
-               if (!cg) {
-                       sr_err("No channel group specified.");
-                       return SR_ERR_CHANNEL_GROUP;
-               }
+               if (!cg)
+                       return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
                if (cg == devc->digital_group) {
                        *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
                                NULL, 0, sizeof(uint32_t));
@@ -817,22 +868,24 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
                }
                break;
        case SR_CONF_COUPLING:
-               if (!cg) {
-                       sr_err("No channel group specified.");
+               if (!cg)
                        return SR_ERR_CHANNEL_GROUP;
-               }
                *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
                break;
+       case SR_CONF_PROBE_FACTOR:
+               if (!cg)
+                       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.");
+               if (!cg)
                        return SR_ERR_CHANNEL_GROUP;
-               }
                g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
-               for (i = 0; i < NUM_VDIV; i++) {
+               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);
@@ -888,29 +941,28 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        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)
 {
        struct sr_scpi_dev_inst *scpi;
        struct dev_context *devc;
        struct sr_channel *ch;
        struct sr_datafeed_packet packet;
+       gboolean some_digital;
        GSList *l;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        scpi = sdi->conn;
        devc = sdi->priv;
 
        devc->num_frames = 0;
 
+       some_digital = FALSE;
        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_analog_channels = g_slist_append(
-                                               devc->enabled_analog_channels, ch);
+                               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 (rigol_ds_config_set(sdi, ":CHAN%d:DISP %s", ch->index + 1,
@@ -919,19 +971,29 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
                                devc->analog_channels[ch->index] = ch->enabled;
                        }
                } else if (ch->type == SR_CHANNEL_LOGIC) {
+                       /* Only one list entry for older protocols. All channels are
+                        * retrieved together when this entry is processed. */
+                       if (ch->enabled && (
+                                               devc->model->series->protocol > PROTOCOL_V3 ||
+                                               !some_digital))
+                               devc->enabled_channels = g_slist_append(
+                                               devc->enabled_channels, ch);
                        if (ch->enabled) {
-                               devc->enabled_digital_channels = g_slist_append(
-                                               devc->enabled_digital_channels, ch);
+                               some_digital = TRUE;
                                /* Turn on LA module if currently off. */
                                if (!devc->la_enabled) {
-                                       if (rigol_ds_config_set(sdi, ":LA:DISP ON") != SR_OK)
+                                       if (rigol_ds_config_set(sdi,
+                                                       devc->model->series->protocol >= PROTOCOL_V3 ?
+                                                               ":LA:STAT ON" : ":LA:DISP ON") != SR_OK)
                                                return SR_ERR;
                                        devc->la_enabled = TRUE;
                                }
                        }
                        if (ch->enabled != devc->digital_channels[ch->index]) {
                                /* Enabled channel is currently disabled, or vice versa. */
-                               if (rigol_ds_config_set(sdi, ":DIG%d:TURN %s", ch->index,
+                               if (rigol_ds_config_set(sdi,
+                                               devc->model->series->protocol >= PROTOCOL_V3 ?
+                                                       ":LA:DIG%d:DISP %s" : ":DIG%d:TURN %s", ch->index,
                                                ch->enabled ? "ON" : "OFF") != SR_OK)
                                        return SR_ERR;
                                devc->digital_channels[ch->index] = ch->enabled;
@@ -939,12 +1001,14 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
                }
        }
 
-       if (!devc->enabled_analog_channels && !devc->enabled_digital_channels)
+       if (!devc->enabled_channels)
                return SR_ERR;
 
        /* Turn off LA module if on and no digital channels selected. */
-       if (devc->la_enabled && !devc->enabled_digital_channels)
-               if (rigol_ds_config_set(sdi, ":LA:DISP OFF") != SR_OK)
+       if (devc->la_enabled && !some_digital)
+               if (rigol_ds_config_set(sdi,
+                               devc->model->series->protocol >= PROTOCOL_V3 ?
+                                       ":LA:STAT OFF" : ":LA:DISP OFF") != SR_OK)
                        return SR_ERR;
 
        /* Set memory mode. */
@@ -984,61 +1048,45 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
                        rigol_ds_receive, (void *)sdi);
 
-       /* Send header packet to the session bus. */
-       std_session_send_df_header(cb_data, LOG_PREFIX);
+       std_session_send_df_header(sdi);
 
-       if (devc->enabled_analog_channels)
-               devc->channel_entry = devc->enabled_analog_channels;
-       else
-               devc->channel_entry = devc->enabled_digital_channels;
+       devc->channel_entry = devc->enabled_channels;
 
        if (rigol_ds_capture_start(sdi) != SR_OK)
                return SR_ERR;
 
        /* Start of first frame. */
        packet.type = SR_DF_FRAME_BEGIN;
-       sr_session_send(cb_data, &packet);
+       sr_session_send(sdi, &packet);
 
        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_scpi_dev_inst *scpi;
-       struct sr_datafeed_packet packet;
-
-       (void)cb_data;
 
        devc = sdi->priv;
 
-       if (sdi->status != SR_ST_ACTIVE) {
-               sr_err("Device inactive, can't stop acquisition.");
-               return SR_ERR;
-       }
-
-       /* End of last frame. */
-       packet.type = SR_DF_END;
-       sr_session_send(sdi, &packet);
+       std_session_send_df_end(sdi);
 
-       g_slist_free(devc->enabled_analog_channels);
-       g_slist_free(devc->enabled_digital_channels);
-       devc->enabled_analog_channels = NULL;
-       devc->enabled_digital_channels = NULL;
+       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 rigol_ds_driver_info = {
+static struct sr_dev_driver rigol_ds_driver_info = {
        .name = "rigol-ds",
        .longname = "Rigol DS",
        .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,
@@ -1047,5 +1095,6 @@ SR_PRIV struct sr_dev_driver rigol_ds_driver_info = {
        .dev_close = dev_close,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(rigol_ds_driver_info);