]> sigrok.org Git - libsigrok.git/blobdiff - hardware/hantek-dso/api.c
hantek-dso: move buffer sizes to device context
[libsigrok.git] / hardware / hantek-dso / api.c
index 8d9a8b08cefbd0aa5860e791689a88b023fc7f22..dc0332eb2701d10c36cb59836ac2c54975bba3ef 100644 (file)
 /* TODO tune this properly */
 #define TICK 1
 
-static const int hwcaps[] = {
-       SR_HWCAP_OSCILLOSCOPE,
-       SR_HWCAP_LIMIT_SAMPLES,
-       SR_HWCAP_CONTINUOUS,
-       SR_HWCAP_TIMEBASE,
-       SR_HWCAP_BUFFERSIZE,
-       SR_HWCAP_TRIGGER_SOURCE,
-       SR_HWCAP_TRIGGER_SLOPE,
-       SR_HWCAP_HORIZ_TRIGGERPOS,
-       SR_HWCAP_FILTER,
-       SR_HWCAP_VDIV,
-       SR_HWCAP_COUPLING,
-       0,
+static const int32_t devopts[] = {
+       SR_CONF_OSCILLOSCOPE,
+       SR_CONF_LIMIT_FRAMES,
+       SR_CONF_CONTINUOUS,
+       SR_CONF_TIMEBASE,
+       SR_CONF_BUFFERSIZE,
+       SR_CONF_TRIGGER_SOURCE,
+       SR_CONF_TRIGGER_SLOPE,
+       SR_CONF_HORIZ_TRIGGERPOS,
+       SR_CONF_FILTER,
+       SR_CONF_VDIV,
+       SR_CONF_COUPLING,
 };
 
 static const char *probe_names[] = {
-       "CH1",
-       "CH2",
+       "CH1", "CH2",
        NULL,
 };
 
+static const uint64_t buffersizes_32k[] = {
+       10240, 32768,
+};
+static const uint64_t buffersizes_512k[] = {
+       10240, 524288,
+};
+static const uint64_t buffersizes_14k[] = {
+       10240, 14336,
+};
+
 static const struct dso_profile dev_profiles[] = {
        {       0x04b4, 0x2090, 0x04b5, 0x2090,
                "Hantek", "DSO-2090",
-               FIRMWARE_DIR "/hantek-dso-2xxx.fw" },
+               buffersizes_32k,
+               FIRMWARE_DIR "/hantek-dso-2090.fw" },
        {       0x04b4, 0x2150, 0x04b5, 0x2150,
                "Hantek", "DSO-2150",
-               FIRMWARE_DIR "/hantek-dso-2xxx.fw" },
+               buffersizes_32k,
+               FIRMWARE_DIR "/hantek-dso-2150.fw" },
        {       0x04b4, 0x2250, 0x04b5, 0x2250,
                "Hantek", "DSO-2250",
-               FIRMWARE_DIR "/hantek-dso-2xxx.fw" },
+               buffersizes_512k,
+               FIRMWARE_DIR "/hantek-dso-2250.fw" },
        {       0x04b4, 0x5200, 0x04b5, 0x5200,
                "Hantek", "DSO-5200",
-               FIRMWARE_DIR "/hantek-dso-5xxx.fw" },
+               buffersizes_14k,
+               FIRMWARE_DIR "/hantek-dso-5200.fw" },
        {       0x04b4, 0x520a, 0x04b5, 0x520a,
                "Hantek", "DSO-5200A",
-               FIRMWARE_DIR "/hantek-dso-5xxx.fw" },
-       { 0, 0, 0, 0, 0, 0, 0 },
-};
-
-static const uint64_t buffersizes[] = {
-       10240,
-       32768,
-       /* TODO: 65535 */
-       0,
+               buffersizes_512k,
+               FIRMWARE_DIR "/hantek-dso-5200A.fw" },
+       { 0, 0, 0, 0, 0, 0, 0, 0 },
 };
 
-static const struct sr_rational timebases[] = {
+static const uint64_t timebases[][2] = {
        /* microseconds */
        { 10, 1000000 },
        { 20, 1000000 },
@@ -102,10 +108,9 @@ static const struct sr_rational timebases[] = {
        { 100, 1000 },
        { 200, 1000 },
        { 400, 1000 },
-       { 0, 0},
 };
 
-static const struct sr_rational vdivs[] = {
+static const uint64_t vdivs[][2] = {
        /* millivolts */
        { 10, 1000 },
        { 20, 1000 },
@@ -117,7 +122,6 @@ static const struct sr_rational vdivs[] = {
        { 1, 1 },
        { 2, 1 },
        { 5, 1 },
-       { 0, 0 },
 };
 
 static const char *trigger_sources[] = {
@@ -125,25 +129,22 @@ static const char *trigger_sources[] = {
        "CH2",
        "EXT",
        /* TODO: forced */
-       NULL,
 };
 
 static const char *filter_targets[] = {
        "CH1",
        "CH2",
        /* TODO: "TRIGGER", */
-       NULL,
 };
 
 static const char *coupling[] = {
        "AC",
        "DC",
        "GND",
-       NULL,
 };
 
 SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
-static struct sr_dev_driver *hdi = &hantek_dso_driver_info;
+static struct sr_dev_driver *di = &hantek_dso_driver_info;
 
 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
 
@@ -159,7 +160,7 @@ static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof
                prof->vendor, prof->model, NULL);
        if (!sdi)
                return NULL;
-       sdi->driver = hdi;
+       sdi->driver = di;
 
        /*
         * Add only the real probes -- EXT isn't a source of data, only
@@ -194,7 +195,7 @@ static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof
        devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE);
        devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS;
        sdi->priv = devc;
-       drvc = hdi->priv;
+       drvc = di->priv;
        drvc->instances = g_slist_append(drvc->instances, sdi);
 
        return sdi;
@@ -203,18 +204,22 @@ static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof
 static int configure_probes(const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
-       const struct sr_probe *probe;
+       struct sr_probe *probe;
        const GSList *l;
+       int p;
 
        devc = sdi->priv;
 
+       g_slist_free(devc->enabled_probes);
        devc->ch1_enabled = devc->ch2_enabled = FALSE;
-       for (l = sdi->probes; l; l = l->next) {
-               probe = (struct sr_probe *)l->data;
-               if (probe->index == 0)
+       for (l = sdi->probes, p = 0; l; l = l->next, p++) {
+               probe = l->data;
+               if (p == 0)
                        devc->ch1_enabled = probe->enabled;
-               else if (probe->index == 1)
+               else
                        devc->ch2_enabled = probe->enabled;
+               if (probe->enabled)
+                       devc->enabled_probes = g_slist_append(devc->enabled_probes, probe);
        }
 
        return SR_OK;
@@ -228,7 +233,7 @@ static int clear_instances(void)
        struct dev_context *devc;
        GSList *l;
 
-       drvc = hdi->priv;
+       drvc = di->priv;
        for (l = drvc->instances; l; l = l->next) {
                if (!(sdi = l->data)) {
                        /* Log error, but continue cleaning up the rest. */
@@ -243,6 +248,7 @@ static int clear_instances(void)
                dso_close(sdi);
                sr_usb_dev_inst_free(devc->usb);
                g_free(devc->triggersource);
+               g_slist_free(devc->enabled_probes);
 
                sr_dev_inst_free(sdi);
        }
@@ -255,17 +261,7 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-
-       drvc->sr_ctx = sr_ctx;
-       hdi->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -281,10 +277,11 @@ static GSList *hw_scan(GSList *options)
 
        (void)options;
 
+       drvc = di->priv;
+       drvc->instances = NULL;
+
        devcnt = 0;
        devices = 0;
-       drvc = hdi->priv;
-       drvc->instances = NULL;
 
        clear_instances();
 
@@ -292,7 +289,8 @@ static GSList *hw_scan(GSList *options)
        libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
        for (i = 0; devlist[i]; i++) {
                if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
-                       sr_err("Failed to get device descriptor: %d.", ret);
+                       sr_err("Failed to get device descriptor: %s.",
+                              libusb_error_name(ret));
                        continue;
                }
 
@@ -345,11 +343,7 @@ static GSList *hw_scan(GSList *options)
 
 static GSList *hw_dev_list(void)
 {
-       struct drv_context *drvc;
-
-       drvc = hdi->priv;
-
-       return drvc->instances;
+       return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)
@@ -390,7 +384,8 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
 
        err = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
        if (err != 0) {
-               sr_err("Unable to claim interface: %d.", err);
+               sr_err("Unable to claim interface: %s.",
+                      libusb_error_name(err));
                return SR_ERR;
        }
 
@@ -408,7 +403,7 @@ static int hw_cleanup(void)
 {
        struct drv_context *drvc;
 
-       if (!(drvc = hdi->priv))
+       if (!(drvc = di->priv))
                return SR_OK;
 
        clear_instances();
@@ -416,60 +411,14 @@ static int hw_cleanup(void)
        return SR_OK;
 }
 
-static int hw_info_get(int info_id, const void **data,
-                      const struct sr_dev_inst *sdi)
-{
-       uint64_t tmp;
-
-       (void)sdi;
-
-       switch (info_id) {
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               break;
-       case SR_DI_NUM_PROBES:
-               *data = GINT_TO_POINTER(NUM_PROBES);
-               break;
-       case SR_DI_PROBE_NAMES:
-               *data = probe_names;
-               break;
-       case SR_DI_BUFFERSIZES:
-               *data = buffersizes;
-               break;
-       case SR_DI_TIMEBASES:
-               *data = timebases;
-               break;
-       case SR_DI_TRIGGER_SOURCES:
-               *data = trigger_sources;
-               break;
-       case SR_DI_FILTERS:
-               *data = filter_targets;
-               break;
-       case SR_DI_VDIVS:
-               *data = vdivs;
-               break;
-       case SR_DI_COUPLING:
-               *data = coupling;
-               break;
-       /* TODO remove this */
-       case SR_DI_CUR_SAMPLERATE:
-               *data = &tmp;
-               break;
-       default:
-               return SR_ERR_ARG;
-       }
-
-       return SR_OK;
-}
-
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
-                            const void *value)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
-       struct sr_rational tmp_rat;
-       float tmp_float;
-       uint64_t tmp_u64;
-       int ret, i;
+       double tmp_double;
+       uint64_t tmp_u64, p, q;
+       int tmp_int, ret;
+       unsigned int i;
+       const char *tmp_str;
        char **targets;
 
        if (sdi->status != SR_ST_ACTIVE)
@@ -477,60 +426,64 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 
        ret = SR_OK;
        devc = sdi->priv;
-       switch (hwcap) {
-       case SR_HWCAP_LIMIT_FRAMES:
-               devc->limit_frames = *(const uint64_t *)value;
+       switch (id) {
+       case SR_CONF_LIMIT_FRAMES:
+               devc->limit_frames = g_variant_get_uint64(data);
                break;
-       case SR_HWCAP_TRIGGER_SLOPE:
-               tmp_u64 = *(const int *)value;
+       case SR_CONF_TRIGGER_SLOPE:
+               tmp_u64 = g_variant_get_uint64(data);
                if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
                        ret = SR_ERR_ARG;
                devc->triggerslope = tmp_u64;
                break;
-       case SR_HWCAP_HORIZ_TRIGGERPOS:
-               tmp_float = *(const float *)value;
-               if (tmp_float < 0.0 || tmp_float > 1.0) {
+       case SR_CONF_HORIZ_TRIGGERPOS:
+               tmp_double = g_variant_get_double(data);
+               if (tmp_double < 0.0 || tmp_double > 1.0) {
                        sr_err("Trigger position should be between 0.0 and 1.0.");
                        ret = SR_ERR_ARG;
                } else
-                       devc->triggerposition = tmp_float;
+                       devc->triggerposition = tmp_double;
                break;
-       case SR_HWCAP_BUFFERSIZE:
-               tmp_u64 = *(const int *)value;
-               for (i = 0; buffersizes[i]; i++) {
-                       if (buffersizes[i] == tmp_u64) {
+       case SR_CONF_BUFFERSIZE:
+               tmp_u64 = g_variant_get_uint64(data);
+               for (i = 0; i < 2; i++) {
+                       if (devc->profile->buffersizes[i] == tmp_u64) {
                                devc->framesize = tmp_u64;
                                break;
                        }
                }
-               if (buffersizes[i] == 0)
+               if (i == 2)
                        ret = SR_ERR_ARG;
                break;
-       case SR_HWCAP_TIMEBASE:
-               tmp_rat = *(const struct sr_rational *)value;
-               for (i = 0; timebases[i].p && timebases[i].q; i++) {
-                       if (timebases[i].p == tmp_rat.p
-                                       && timebases[i].q == tmp_rat.q) {
-                               devc->timebase = i;
+       case SR_CONF_TIMEBASE:
+               g_variant_get(data, "(tt)", &p, &q);
+               tmp_int = -1;
+               for (i = 0; i < ARRAY_SIZE(timebases); i++) {
+                       if (timebases[i][0] == p && timebases[i][1] == q) {
+                               tmp_int = i;
                                break;
                        }
                }
-               if (timebases[i].p == 0 && timebases[i].q == 0)
+               if (tmp_int >= 0)
+                       devc->timebase = tmp_int;
+               else
                        ret = SR_ERR_ARG;
                break;
-       case SR_HWCAP_TRIGGER_SOURCE:
+       case SR_CONF_TRIGGER_SOURCE:
+               tmp_str = g_variant_get_string(data, NULL);
                for (i = 0; trigger_sources[i]; i++) {
-                       if (!strcmp(value, trigger_sources[i])) {
-                               devc->triggersource = g_strdup(value);
+                       if (!strcmp(tmp_str, trigger_sources[i])) {
+                               devc->triggersource = g_strdup(tmp_str);
                                break;
                        }
                }
                if (trigger_sources[i] == 0)
                        ret = SR_ERR_ARG;
                break;
-       case SR_HWCAP_FILTER:
+       case SR_CONF_FILTER:
+               tmp_str = g_variant_get_string(data, NULL);
                devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0;
-               targets = g_strsplit(value, ",", 0);
+               targets = g_strsplit(tmp_str, ",", 0);
                for (i = 0; targets[i]; i++) {
                        if (targets[i] == '\0')
                                /* Empty filter string can be used to clear them all. */
@@ -548,24 +501,27 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
                }
                g_strfreev(targets);
                break;
-       case SR_HWCAP_VDIV:
+       case SR_CONF_VDIV:
                /* TODO: Not supporting vdiv per channel yet. */
-               tmp_rat = *(const struct sr_rational *)value;
-               for (i = 0; vdivs[i].p && vdivs[i].q; i++) {
-                       if (vdivs[i].p == tmp_rat.p
-                                       && vdivs[i].q == tmp_rat.q) {
-                               devc->voltage_ch1 = i;
-                               devc->voltage_ch2 = i;
+               g_variant_get(data, "(tt)", &p, &q);
+               tmp_int = -1;
+               for (i = 0; i < ARRAY_SIZE(vdivs); i++) {
+                       if (vdivs[i][0] == p && vdivs[i][1] == q) {
+                               tmp_int = i;
                                break;
                        }
                }
-               if (vdivs[i].p == 0 && vdivs[i].q == 0)
+               if (tmp_int >= 0) {
+                       devc->voltage_ch1 = tmp_int;
+                       devc->voltage_ch2 = tmp_int;
+               } else
                        ret = SR_ERR_ARG;
                break;
-       case SR_HWCAP_COUPLING:
+       case SR_CONF_COUPLING:
+               tmp_str = g_variant_get_string(data, NULL);
                /* TODO: Not supporting coupling per channel yet. */
                for (i = 0; coupling[i]; i++) {
-                       if (!strcmp(value, coupling[i])) {
+                       if (!strcmp(tmp_str, coupling[i])) {
                                devc->coupling_ch1 = i;
                                devc->coupling_ch2 = i;
                                break;
@@ -582,18 +538,66 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
        return ret;
 }
 
-static void send_chunk(struct dev_context *devc, unsigned char *buf,
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+       struct dev_context *devc;
+
+       (void)sdi;
+
+       if (!sdi)
+               return SR_ERR_ARG;
+
+       devc = sdi->priv;
+       switch (key) {
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+                               devopts, ARRAY_SIZE(devopts), sizeof(int32_t));
+               break;
+       case SR_CONF_BUFFERSIZE:
+               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
+                               devc->profile->buffersizes, 2, sizeof(uint64_t));
+               break;
+       case SR_CONF_COUPLING:
+               *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
+               break;
+       case SR_CONF_VDIV:
+               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
+                               vdivs, ARRAY_SIZE(vdivs) * 2, sizeof(uint64_t));
+               break;
+       case SR_CONF_FILTER:
+               *data = g_variant_new_strv(filter_targets,
+                               ARRAY_SIZE(filter_targets));
+               break;
+       case SR_CONF_TIMEBASE:
+               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
+                               timebases, ARRAY_SIZE(timebases) * 2, sizeof(uint64_t));
+               break;
+       case SR_CONF_TRIGGER_SOURCE:
+               *data = g_variant_new_strv(trigger_sources,
+                               ARRAY_SIZE(trigger_sources));
+               break;
+       default:
+               return SR_ERR_ARG;
+       }
+
+       return SR_OK;
+}
+
+static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf,
                int num_samples)
 {
        struct sr_datafeed_packet packet;
        struct sr_datafeed_analog analog;
+       struct dev_context *devc;
        float ch1, ch2, range;
        int num_probes, data_offset, i;
 
+       devc = sdi->priv;
        num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1;
        packet.type = SR_DF_ANALOG;
        packet.payload = &analog;
        /* TODO: support for 5xxx series 9-bit samples */
+       analog.probes = devc->enabled_probes;
        analog.num_samples = num_samples;
        analog.mq = SR_MQ_VOLTAGE;
        analog.unit = SR_UNIT_VOLT;
@@ -615,14 +619,14 @@ static void send_chunk(struct dev_context *devc, unsigned char *buf,
                 */
                /* TODO: Support for DSO-5xxx series 9-bit samples. */
                if (devc->ch1_enabled) {
-                       range = ((float)vdivs[devc->voltage_ch1].p / vdivs[devc->voltage_ch1].q) * 8;
+                       range = ((float)vdivs[devc->voltage_ch1][0] / vdivs[devc->voltage_ch1][1]) * 8;
                        ch1 = range / 255 * *(buf + i * 2 + 1);
                        /* Value is centered around 0V. */
                        ch1 -= range / 2;
                        analog.data[data_offset++] = ch1;
                }
                if (devc->ch2_enabled) {
-                       range = ((float)vdivs[devc->voltage_ch2].p / vdivs[devc->voltage_ch2].q) * 8;
+                       range = ((float)vdivs[devc->voltage_ch2][0] / vdivs[devc->voltage_ch2][1]) * 8;
                        ch2 = range / 255 * *(buf + i * 2);
                        ch2 -= range / 2;
                        analog.data[data_offset++] = ch2;
@@ -640,11 +644,13 @@ static void send_chunk(struct dev_context *devc, unsigned char *buf,
 static void receive_transfer(struct libusb_transfer *transfer)
 {
        struct sr_datafeed_packet packet;
+       struct sr_dev_inst *sdi;
        struct dev_context *devc;
        int num_samples, pre;
 
-       devc = transfer->user_data;
-       sr_dbg("receive_transfer(): status %d received %d bytes.",
+       sdi = transfer->user_data;
+       devc = sdi->priv;
+       sr_spew("receive_transfer(): status %d received %d bytes.",
               transfer->status, transfer->actual_length);
 
        if (transfer->actual_length == 0)
@@ -653,7 +659,7 @@ static void receive_transfer(struct libusb_transfer *transfer)
 
        num_samples = transfer->actual_length / 2;
 
-       sr_dbg("Got %d-%d/%d samples in frame.", devc->samp_received + 1,
+       sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1,
               devc->samp_received + num_samples, devc->framesize);
 
        /*
@@ -690,12 +696,12 @@ static void receive_transfer(struct libusb_transfer *transfer)
                        /* Avoid the corner case where the chunk ended at
                         * exactly the trigger point. */
                        if (num_samples > pre)
-                               send_chunk(devc, transfer->buffer + pre * 2,
+                               send_chunk(sdi, transfer->buffer + pre * 2,
                                                num_samples - pre);
                }
        } else {
                /* Already past the trigger point, just send it all out. */
-               send_chunk(devc, transfer->buffer,
+               send_chunk(sdi, transfer->buffer,
                                num_samples);
        }
 
@@ -711,7 +717,7 @@ static void receive_transfer(struct libusb_transfer *transfer)
                 * pre-trigger samples out now, in one big chunk. */
                sr_dbg("End of frame, sending %d pre-trigger buffered samples.",
                       devc->samp_buffered);
-               send_chunk(devc, devc->framebuf, devc->samp_buffered);
+               send_chunk(sdi, devc->framebuf, devc->samp_buffered);
 
                /* Mark the end of this frame. */
                packet.type = SR_DF_FRAME_END;
@@ -732,7 +738,7 @@ static int handle_event(int fd, int revents, void *cb_data)
        struct sr_datafeed_packet packet;
        struct timeval tv;
        struct dev_context *devc;
-       struct drv_context *drvc = hdi->priv;
+       struct drv_context *drvc = di->priv;
        const struct libusb_pollfd **lupfd;
        int num_probes, i;
        uint32_t trigger_offset;
@@ -813,7 +819,7 @@ static int handle_event(int fd, int revents, void *cb_data)
                devc->samp_buffered = devc->samp_received = 0;
 
                /* Tell the scope to send us the first frame. */
-               if (dso_get_channeldata(devc, receive_transfer) != SR_OK)
+               if (dso_get_channeldata(sdi, receive_transfer) != SR_OK)
                        break;
 
                /*
@@ -845,11 +851,8 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                                    void *cb_data)
 {
        const struct libusb_pollfd **lupfd;
-       struct sr_datafeed_packet packet;
-       struct sr_datafeed_header header;
-       struct sr_datafeed_meta_analog meta;
        struct dev_context *devc;
-       struct drv_context *drvc = hdi->priv;
+       struct drv_context *drvc = di->priv;
        int i;
 
        if (sdi->status != SR_ST_ACTIVE)
@@ -877,17 +880,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        free(lupfd);
 
        /* Send header packet to the session bus. */
-       packet.type = SR_DF_HEADER;
-       packet.payload = (unsigned char *)&header;
-       header.feed_version = 1;
-       gettimeofday(&header.starttime, NULL);
-       sr_session_send(cb_data, &packet);
-
-       /* Send metadata about the SR_DF_ANALOG packets to come. */
-       packet.type = SR_DF_META_ANALOG;
-       packet.payload = &meta;
-       meta.num_probes = NUM_PROBES;
-       sr_session_send(cb_data, &packet);
+       std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
 
        return SR_OK;
 }
@@ -916,10 +909,11 @@ SR_PRIV struct sr_dev_driver hantek_dso_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
+       .config_get = NULL,
+       .config_set = config_set,
+       .config_list = config_list,
        .dev_open = hw_dev_open,
        .dev_close = hw_dev_close,
-       .info_get = hw_info_get,
-       .dev_config_set = hw_dev_config_set,
        .dev_acquisition_start = hw_dev_acquisition_start,
        .dev_acquisition_stop = hw_dev_acquisition_stop,
        .priv = NULL,