X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=src%2Fhardware%2Frigol-ds%2Fapi.c;h=aab4730265d892e4d158cf0ed9d233452495567e;hp=bcea8999e6833b342576e117b6c8e2fd12b512a4;hb=HEAD;hpb=0306ae30b692413b79c69df34a8916727c0282b6 diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c index bcea8999..6703d1ce 100644 --- a/src/hardware/rigol-ds/api.c +++ b/src/hardware/rigol-ds/api.c @@ -42,7 +42,7 @@ static const uint32_t drvopts[] = { }; static const uint32_t devopts[] = { - SR_CONF_LIMIT_FRAMES | SR_CONF_SET, + 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, @@ -126,7 +126,14 @@ static const uint64_t vdivs[][2] = { { 100, 1 }, }; -static const char *trigger_sources[] = { +static const char *trigger_sources_2_chans[] = { + "CH1", "CH2", + "EXT", "AC Line", + "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", + "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", +}; + +static const char *trigger_sources_4_chans[] = { "CH1", "CH2", "CH3", "CH4", "EXT", "AC Line", "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", @@ -152,6 +159,16 @@ static const char *data_sources[] = { "Segmented", }; +static const struct rigol_ds_command std_cmd[] = { + { CMD_GET_HORIZ_TRIGGERPOS, ":TIM:OFFS?" }, + { CMD_SET_HORIZ_TRIGGERPOS, ":TIM:OFFS %s" }, +}; + +static const struct rigol_ds_command mso7000a_cmd[] = { + { CMD_GET_HORIZ_TRIGGERPOS, ":TIM:POS?" }, + { CMD_SET_HORIZ_TRIGGERPOS, ":TIM:POS %s" }, +}; + enum vendor { RIGOL, AGILENT, @@ -163,7 +180,11 @@ enum series { DS2000, DS2000A, DSO1000, + DSO1000B, DS1000Z, + DS4000, + MSO5000, + MSO7000A, }; /* short name, full name */ @@ -186,62 +207,96 @@ static const struct rigol_ds_series supported_series[] = { {1000, 1}, {500, 1000000}, 14, 1400, 14000}, [DSO1000] = {VENDOR(AGILENT), "DSO1000", PROTOCOL_V3, FORMAT_IEEE488_2, {50, 1}, {2, 1000}, 12, 600, 20480}, + [DSO1000B] = {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}, + [DS4000] = {VENDOR(RIGOL), "DS4000", PROTOCOL_V4, FORMAT_IEEE488_2, + {1000, 1}, {1, 1000}, 14, 1400, 0}, + [MSO5000] = {VENDOR(RIGOL), "MSO5000", PROTOCOL_V5, FORMAT_IEEE488_2, + {1000, 1}, {500, 1000000}, 10, 1000, 0}, + [MSO7000A] = {VENDOR(AGILENT), "MSO7000A", PROTOCOL_V4, FORMAT_IEEE488_2, + {50, 1}, {2, 1000}, 10, 1000, 8000000}, }; #define SERIES(x) &supported_series[x] +/* + * Use a macro to select the correct list of trigger sources and its length + * based on the number of analog channels and presence of digital channels. + */ +#define CH_INFO(num, digital) \ + num, digital, trigger_sources_##num##_chans, \ + digital ? ARRAY_SIZE(trigger_sources_##num##_chans) : (num + 2) /* series, model, min timebase, analog channels, digital */ static const struct rigol_ds_model supported_models[] = { - {SERIES(VS5000), "VS5022", {20, 1000000000}, 2, false}, - {SERIES(VS5000), "VS5042", {10, 1000000000}, 2, false}, - {SERIES(VS5000), "VS5062", {5, 1000000000}, 2, false}, - {SERIES(VS5000), "VS5102", {2, 1000000000}, 2, false}, - {SERIES(VS5000), "VS5202", {2, 1000000000}, 2, false}, - {SERIES(VS5000), "VS5022D", {20, 1000000000}, 2, true}, - {SERIES(VS5000), "VS5042D", {10, 1000000000}, 2, true}, - {SERIES(VS5000), "VS5062D", {5, 1000000000}, 2, true}, - {SERIES(VS5000), "VS5102D", {2, 1000000000}, 2, true}, - {SERIES(VS5000), "VS5202D", {2, 1000000000}, 2, true}, - {SERIES(DS1000), "DS1052E", {5, 1000000000}, 2, false}, - {SERIES(DS1000), "DS1102E", {2, 1000000000}, 2, false}, - {SERIES(DS1000), "DS1152E", {2, 1000000000}, 2, false}, - {SERIES(DS1000), "DS1052D", {5, 1000000000}, 2, true}, - {SERIES(DS1000), "DS1102D", {2, 1000000000}, 2, true}, - {SERIES(DS1000), "DS1152D", {2, 1000000000}, 2, true}, - {SERIES(DS2000), "DS2072", {5, 1000000000}, 2, false}, - {SERIES(DS2000), "DS2102", {5, 1000000000}, 2, false}, - {SERIES(DS2000), "DS2202", {2, 1000000000}, 2, false}, - {SERIES(DS2000), "DS2302", {1, 1000000000}, 2, false}, - {SERIES(DS2000A), "DS2072A", {5, 1000000000}, 2, false}, - {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}, + {SERIES(VS5000), "VS5022", {20, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(VS5000), "VS5042", {10, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(VS5000), "VS5062", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(VS5000), "VS5102", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(VS5000), "VS5202", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(VS5000), "VS5022D", {20, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(VS5000), "VS5042D", {10, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(VS5000), "VS5062D", {5, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(VS5000), "VS5102D", {2, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(VS5000), "VS5202D", {2, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS1000), "DS1052E", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000), "DS1102E", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000), "DS1152E", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000), "DS1152E-EDU", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000), "DS1052D", {5, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS1000), "DS1102D", {2, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS1000), "DS1152D", {2, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS2000), "DS2072", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000), "DS2102", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000), "DS2202", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000), "DS2302", {1, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000A), "DS2072A", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000A), "DS2102A", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000A), "DS2202A", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000A), "DS2302A", {1, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS2000A), "MSO2072A", {5, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS2000A), "MSO2102A", {5, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS2000A), "MSO2202A", {2, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DS2000A), "MSO2302A", {1, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(DSO1000), "DSO1002A", {5, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DSO1000), "DSO1004A", {5, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DSO1000), "DSO1012A", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DSO1000), "DSO1014A", {2, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DSO1000), "DSO1022A", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DSO1000), "DSO1024A", {2, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DSO1000B), "DSO1052B", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DSO1000B), "DSO1072B", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DSO1000B), "DSO1102B", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DSO1000B), "DSO1152B", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000Z), "DS1054Z", {5, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DS1000Z), "DS1074Z", {5, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DS1000Z), "DS1104Z", {5, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DS1000Z), "DS1074Z-S", {5, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DS1000Z), "DS1104Z-S", {5, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DS1000Z), "DS1074Z Plus", {5, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(DS1000Z), "DS1104Z Plus", {5, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(DS1000Z), "DS1102Z-E", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000Z), "DS1202Z-E", {2, 1000000000}, CH_INFO(2, false), std_cmd}, + {SERIES(DS1000Z), "MSO1074Z", {5, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(DS1000Z), "MSO1104Z", {5, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(DS1000Z), "MSO1074Z-S", {5, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(DS1000Z), "MSO1104Z-S", {5, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(DS4000), "DS4014", {1, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(DS4000), "DS4024", {1, 1000000000}, CH_INFO(4, false), std_cmd}, + {SERIES(MSO5000), "MSO5072", {1, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(MSO5000), "MSO5074", {1, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(MSO5000), "MSO5102", {1, 1000000000}, CH_INFO(2, true), std_cmd}, + {SERIES(MSO5000), "MSO5104", {1, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(MSO5000), "MSO5204", {1, 1000000000}, CH_INFO(4, true), std_cmd}, + {SERIES(MSO5000), "MSO5354", {1, 1000000000}, CH_INFO(4, true), std_cmd}, + /* TODO: Digital channels are not yet supported on MSO7000A. */ + {SERIES(MSO7000A), "MSO7034A", {2, 1000000000}, CH_INFO(4, false), mso7000a_cmd}, }; static struct sr_dev_driver rigol_ds_driver_info; +static int analog_frame_size(const struct sr_dev_inst *); + static void clear_helper(struct dev_context *devc) { unsigned int i; @@ -341,17 +396,13 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) 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)); - - devc->analog_groups[i]->name = channel_name; + devc->analog_groups[i] = sr_channel_group_new(sdi, + channel_name, NULL); devc->analog_groups[i]->channels = g_slist_append(NULL, ch); - sdi->channel_groups = g_slist_append(sdi->channel_groups, - devc->analog_groups[i]); } if (devc->model->has_digital) { - devc->digital_group = g_malloc0(sizeof(struct sr_channel_group)); - + devc->digital_group = sr_channel_group_new(sdi, "LA", NULL); for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) { channel_name = g_strdup_printf("D%d", i); ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); @@ -359,9 +410,6 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) devc->digital_group->channels = g_slist_append( devc->digital_group->channels, ch); } - devc->digital_group->name = g_strdup("LA"); - sdi->channel_groups = g_slist_append(sdi->channel_groups, - devc->digital_group); } for (i = 0; i < ARRAY_SIZE(timebases); i++) { @@ -449,6 +497,7 @@ static int analog_frame_size(const struct sr_dev_inst *sdi) case DATA_SOURCE_LIVE: return devc->model->series->live_samples; case DATA_SOURCE_MEMORY: + case DATA_SOURCE_SEGMENTED: return devc->model->series->buffer_samples / analog_channels; default: return 0; @@ -463,6 +512,7 @@ static int digital_frame_size(const struct sr_dev_inst *sdi) case DATA_SOURCE_LIVE: return devc->model->series->live_samples * 2; case DATA_SOURCE_MEMORY: + case DATA_SOURCE_SEGMENTED: return devc->model->series->buffer_samples * 2; default: return 0; @@ -475,7 +525,6 @@ static int config_get(uint32_t key, GVariant **data, struct dev_context *devc; struct sr_channel *ch; const char *tmp_str; - uint64_t samplerate; int analog_channel = -1; float smallest_diff = INFINITY; int idx = -1; @@ -518,15 +567,11 @@ static int config_get(uint32_t key, GVariant **data, else *data = g_variant_new_string("Segmented"); break; + case SR_CONF_LIMIT_FRAMES: + *data = g_variant_new_uint64(devc->limit_frames); + break; case SR_CONF_SAMPLERATE: - if (devc->data_source == DATA_SOURCE_LIVE) { - samplerate = analog_frame_size(sdi) / - (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; - } + *data = g_variant_new_uint64(devc->sample_rate); break; case SR_CONF_TRIGGER_SOURCE: if (!strcmp(devc->trigger_source, "ACL")) @@ -652,7 +697,8 @@ static int config_set(uint32_t key, GVariant *data, * need to express this in seconds. */ t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * devc->num_timebases; g_ascii_formatd(buffer, sizeof(buffer), "%.6f", t_dbl); - return rigol_ds_config_set(sdi, ":TIM:OFFS %s", buffer); + return rigol_ds_config_set(sdi, + devc->model->cmds[CMD_SET_HORIZ_TRIGGERPOS].str, buffer); case SR_CONF_TRIGGER_LEVEL: t_dbl = g_variant_get_double(data); g_ascii_formatd(buffer, sizeof(buffer), "%.3f", t_dbl); @@ -668,10 +714,10 @@ static int config_set(uint32_t key, GVariant *data, devc->timebase); return rigol_ds_config_set(sdi, ":TIM:SCAL %s", buffer); case SR_CONF_TRIGGER_SOURCE: - if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_sources))) < 0) + if ((idx = std_str_idx(data, devc->model->trigger_sources, devc->model->num_trigger_sources)) < 0) return SR_ERR_ARG; g_free(devc->trigger_source); - devc->trigger_source = g_strdup(trigger_sources[idx]); + devc->trigger_source = g_strdup(devc->model->trigger_sources[idx]); if (!strcmp(devc->trigger_source, "AC Line")) tmp_str = "ACL"; else if (!strcmp(devc->trigger_source, "CH1")) @@ -794,8 +840,7 @@ static int config_list(uint32_t key, GVariant **data, if (!devc) /* Can't know this until we have the exact model. */ return SR_ERR_ARG; - *data = g_variant_new_strv(trigger_sources, - devc->model->has_digital ? ARRAY_SIZE(trigger_sources) : 4); + *data = g_variant_new_strv(devc->model->trigger_sources, devc->model->num_trigger_sources); break; case SR_CONF_TRIGGER_SLOPE: *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_slopes)); @@ -828,14 +873,18 @@ 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; + char *cmd; + int protocol; + int ret; scpi = sdi->conn; devc = sdi->priv; + protocol = devc->model->series->protocol; devc->num_frames = 0; + devc->num_frames_segmented = 0; some_digital = FALSE; for (l = sdi->channels; l; l = l->next) { @@ -856,7 +905,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) /* 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 || + protocol > PROTOCOL_V3 || !some_digital)) devc->enabled_channels = g_slist_append( devc->enabled_channels, ch); @@ -864,8 +913,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) some_digital = TRUE; /* Turn on LA module if currently off. */ if (!devc->la_enabled) { - if (rigol_ds_config_set(sdi, - devc->model->series->protocol >= PROTOCOL_V3 ? + if (rigol_ds_config_set(sdi, protocol >= PROTOCOL_V3 ? ":LA:STAT ON" : ":LA:DISP ON") != SR_OK) return SR_ERR; devc->la_enabled = TRUE; @@ -873,9 +921,14 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) } if (ch->enabled != devc->digital_channels[ch->index]) { /* Enabled channel is currently disabled, or vice versa. */ - if (rigol_ds_config_set(sdi, - devc->model->series->protocol >= PROTOCOL_V3 ? - ":LA:DIG%d:DISP %s" : ":DIG%d:TURN %s", ch->index, + if (protocol >= PROTOCOL_V5) + cmd = ":LA:DISP D%d,%s"; + else if (protocol >= PROTOCOL_V3) + cmd = ":LA:DIG%d:DISP %s"; + else + cmd = ":DIG%d:TURN %s"; + + if (rigol_ds_config_set(sdi, cmd, ch->index, ch->enabled ? "ON" : "OFF") != SR_OK) return SR_ERR; devc->digital_channels[ch->index] = ch->enabled; @@ -895,8 +948,37 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) /* Set memory mode. */ if (devc->data_source == DATA_SOURCE_SEGMENTED) { - sr_err("Data source 'Segmented' not yet supported"); - return SR_ERR; + switch (protocol) { + case PROTOCOL_V1: + case PROTOCOL_V2: + /* V1 and V2 do not have segmented data */ + sr_err("Data source 'Segmented' not supported on this model"); + break; + case PROTOCOL_V3: + case PROTOCOL_V4: + { + int frames = 0; + if (sr_scpi_get_int(sdi->conn, + protocol == PROTOCOL_V4 ? "FUNC:WREP:FEND?" : + "FUNC:WREP:FMAX?", &frames) != SR_OK) + return SR_ERR; + if (frames <= 0) { + sr_err("No segmented data available"); + return SR_ERR; + } + devc->num_frames_segmented = frames; + break; + } + case PROTOCOL_V5: + /* The frame limit has to be read on the fly, just set up + * reading of the first frame */ + if (rigol_ds_config_set(sdi, "REC:CURR 1") != SR_OK) + return SR_ERR; + break; + default: + sr_err("Data source 'Segmented' not yet supported"); + return SR_ERR; + } } devc->analog_frame_size = analog_frame_size(sdi); @@ -934,12 +1016,32 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) devc->channel_entry = devc->enabled_channels; + if (devc->data_source == DATA_SOURCE_LIVE) { + devc->sample_rate = analog_frame_size(sdi) / + (devc->timebase * devc->model->series->num_horizontal_divs); + } else { + float xinc; + if (devc->model->series->protocol < PROTOCOL_V3) { + sr_err("Cannot get samplerate (below V3)."); + return SR_ERR; + } + ret = sr_scpi_get_float(sdi->conn, "WAV:XINC?", &xinc); + if (ret != SR_OK) { + sr_err("Cannot get samplerate (WAV:XINC? failed)."); + return SR_ERR; + } + if (!xinc) { + sr_err("Cannot get samplerate (zero XINC value)."); + return SR_ERR; + } + devc->sample_rate = 1. / xinc; + } + if (rigol_ds_capture_start(sdi) != SR_OK) return SR_ERR; /* Start of first frame. */ - packet.type = SR_DF_FRAME_BEGIN; - sr_session_send(sdi, &packet); + std_session_send_df_frame_begin(sdi); return SR_OK; }