+static const char *hameg_scpi_dialect[] = {
+ [SCPI_CMD_GET_DIG_DATA] = ":POD%d:DATA?",
+ [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
+ [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %E",
+ [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
+ [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
+ [SCPI_CMD_GET_ANALOG_DATA] = ":CHAN%d:DATA?",
+ [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?",
+ [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %E",
+ [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
+ [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
+ [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
+ [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP %s",
+ [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
+ [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
+ [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
+ [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
+ [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
+ [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
+ [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %E",
+ [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
+ [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
+};
+
+static const int32_t hmo_hwcaps[] = {
+ SR_CONF_OSCILLOSCOPE,
+ SR_CONF_TRIGGER_SOURCE,
+ SR_CONF_TIMEBASE,
+ SR_CONF_NUM_TIMEBASE,
+ SR_CONF_TRIGGER_SLOPE,
+ SR_CONF_HORIZ_TRIGGERPOS,
+};
+
+static const int32_t hmo_analog_caps[] = {
+ SR_CONF_NUM_VDIV,
+ SR_CONF_COUPLING,
+ SR_CONF_VDIV,
+};
+
+static const char *hmo_coupling_options[] = {
+ "AC",
+ "ACL",
+ "DC",
+ "GND",
+ NULL,
+};
+
+static const char *scope_trigger_slopes[] = {
+ "POS",
+ "NEG",
+ NULL,
+};
+
+static const char *hmo_compact2_trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "LINE",
+ "EXT",
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ NULL,
+};
+
+static const char *hmo_compact4_trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "CH3",
+ "CH4",
+ "LINE",
+ "EXT",
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ NULL,
+};
+
+static const uint64_t hmo_timebases[][2] = {
+ /* nanoseconds */
+ { 2, 1000000000 },
+ { 5, 1000000000 },
+ { 10, 1000000000 },
+ { 20, 1000000000 },
+ { 50, 1000000000 },
+ { 100, 1000000000 },
+ { 200, 1000000000 },
+ { 500, 1000000000 },
+ /* microseconds */
+ { 1, 1000000 },
+ { 2, 1000000 },
+ { 5, 1000000 },
+ { 10, 1000000 },
+ { 20, 1000000 },
+ { 50, 1000000 },
+ { 100, 1000000 },
+ { 200, 1000000 },
+ { 500, 1000000 },
+ /* milliseconds */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* seconds */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
+};
+
+static const uint64_t hmo_vdivs[][2] = {
+ /* millivolts */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* volts */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+};
+
+static const char *scope_analog_probe_names[] = {
+ "CH1",
+ "CH2",
+ "CH3",
+ "CH4",
+};
+
+static const char *scope_digital_probe_names[] = {
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ "D8",
+ "D9",
+ "D10",
+ "D11",
+ "D12",
+ "D13",
+ "D14",
+ "D15",
+};
+
+static struct scope_config scope_models[] = {
+ {
+ .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
+ .analog_channels = 2,
+ .digital_channels = 8,
+ .digital_pods = 1,
+
+ .analog_names = &scope_analog_probe_names,
+ .digital_names = &scope_digital_probe_names,
+
+ .hw_caps = &hmo_hwcaps,
+ .num_hwcaps = ARRAY_SIZE(hmo_hwcaps),
+
+ .analog_hwcaps = &hmo_analog_caps,
+ .num_analog_hwcaps = ARRAY_SIZE(hmo_analog_caps),
+
+ .coupling_options = &hmo_coupling_options,
+ .trigger_sources = &hmo_compact2_trigger_sources,
+ .trigger_slopes = &scope_trigger_slopes,
+
+ .timebases = &hmo_timebases,
+ .num_timebases = ARRAY_SIZE(hmo_timebases),
+
+ .vdivs = &hmo_vdivs,
+ .num_vdivs = ARRAY_SIZE(hmo_vdivs),
+
+ .num_xdivs = 12,
+ .num_ydivs = 8,
+
+ .scpi_dialect = &hameg_scpi_dialect,
+ },
+ {
+ .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
+ .analog_channels = 4,
+ .digital_channels = 8,
+ .digital_pods = 1,
+
+ .analog_names = &scope_analog_probe_names,
+ .digital_names = &scope_digital_probe_names,
+
+ .hw_caps = &hmo_hwcaps,
+ .num_hwcaps = ARRAY_SIZE(hmo_hwcaps),
+
+ .analog_hwcaps = &hmo_analog_caps,
+ .num_analog_hwcaps = ARRAY_SIZE(hmo_analog_caps),
+
+ .coupling_options = &hmo_coupling_options,
+ .trigger_sources = &hmo_compact4_trigger_sources,
+ .trigger_slopes = &scope_trigger_slopes,
+
+ .timebases = &hmo_timebases,
+ .num_timebases = ARRAY_SIZE(hmo_timebases),
+
+ .vdivs = &hmo_vdivs,
+ .num_vdivs = ARRAY_SIZE(hmo_vdivs),
+
+ .num_xdivs = 12,
+ .num_ydivs = 8,
+
+ .scpi_dialect = &hameg_scpi_dialect,
+ },
+};
+
+static void scope_state_dump(struct scope_config *config,
+ struct scope_state *state)
+{
+ unsigned int i;
+
+ for (i = 0; i < config->analog_channels; ++i) {
+ sr_info("State of analog channel %d -> %s : %s %.3eV %.3e offset", i + 1,
+ state->analog_channels[i].state ? "On" : "Off",
+ (*config->coupling_options)[state->analog_channels[i].coupling],
+ state->analog_channels[i].vdiv, state->analog_channels[i].vertical_offset);
+ }
+
+ for (i = 0; i < config->digital_channels; ++i) {
+ sr_info("State of digital channel %d -> %s", i,
+ state->digital_channels[i] ? "On" : "Off");
+ }
+
+ for (i = 0; i < config->digital_pods; ++i) {
+ sr_info("State of digital POD %d -> %s", i,
+ state->digital_pods[i] ? "On" : "Off");
+ }
+
+ sr_info("Current timebase: %.2es", state->timebase);
+ sr_info("Current trigger: %s (source), %s (slope) %.2e (offset)",
+ (*config->trigger_sources)[state->trigger_source],
+ (*config->trigger_slopes)[state->trigger_slope],
+ state->horiz_triggerpos);
+}
+
+static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
+ const char *command, const char *(*array)[], int *result)
+{
+ char *tmp;
+ unsigned int i;
+
+ if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) {
+ g_free(tmp);
+ return SR_ERR;
+ }
+
+ for (i = 0; (*array)[i]; ++i) {
+ if (!g_strcmp0(tmp, (*array)[i])) {
+ *result = i;
+ g_free(tmp);
+ tmp = NULL;
+ break;
+ }
+ }
+
+ if (tmp) {
+ g_free(tmp);
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
+ struct scope_config *config,
+ struct scope_state *state)
+{
+ unsigned int i;
+ char command[MAX_COMMAND_SIZE];
+
+ for (i = 0; i < config->analog_channels; ++i) {
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
+ i + 1);
+
+ if (sr_scpi_get_bool(scpi, command,
+ &state->analog_channels[i].state) != SR_OK)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
+ i + 1);
+
+ if (sr_scpi_get_float(scpi, command,
+ &state->analog_channels[i].vdiv) != SR_OK)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
+ i + 1);
+
+ if (sr_scpi_get_float(scpi, command,
+ &state->analog_channels[i].vertical_offset) != SR_OK)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
+ i + 1);
+
+ if (scope_state_get_array_option(scpi, command, config->coupling_options,
+ &state->analog_channels[i].coupling) != SR_OK)
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
+ struct scope_config *config,
+ struct scope_state *state)
+{
+ unsigned int i;
+ char command[MAX_COMMAND_SIZE];
+
+ for (i = 0; i < config->digital_channels; ++i) {
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
+ i);
+
+ if (sr_scpi_get_bool(scpi, command,
+ &state->digital_channels[i]) != SR_OK)
+ return SR_ERR;
+ }
+
+ for (i = 0; i < config->digital_pods; ++i) {
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
+ i + 1);
+
+ if (sr_scpi_get_bool(scpi, command,
+ &state->digital_pods[i]) != SR_OK)
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct scope_state *state;
+ struct scope_config *config;
+
+ devc = sdi->priv;
+ config = devc->model_config;
+ state = devc->model_state;
+
+ if (analog_channel_state_get(sdi->conn, config, state) != SR_OK)
+ return SR_ERR;
+
+ if (digital_channel_state_get(sdi->conn, config, state) != SR_OK)
+ return SR_ERR;
+
+ /* TODO: Check if value is sensible. */
+ if (sr_scpi_get_float(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
+ &state->timebase) != SR_OK)
+ return SR_ERR;
+
+ if (sr_scpi_get_float(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
+ &state->horiz_triggerpos) != SR_OK)
+ return SR_ERR;
+
+ if (scope_state_get_array_option(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
+ config->trigger_sources, &state->trigger_source) != SR_OK)
+ return SR_ERR;
+
+ if (scope_state_get_array_option(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
+ config->trigger_slopes, &state->trigger_slope) != SR_OK)
+ return SR_ERR;
+
+ scope_state_dump(config, state);
+
+ return SR_OK;
+}
+
+SR_PRIV struct scope_state *scope_state_new(struct scope_config *config)
+{
+ struct scope_state *state;
+
+ if (!(state = g_try_malloc0(sizeof(struct scope_state))))
+ return NULL;
+
+ if (!(state->analog_channels = g_try_malloc0_n(config->analog_channels,
+ sizeof(struct analog_channel_state))))
+ goto fail;
+
+ if (!(state->digital_channels = g_try_malloc0_n(
+ config->digital_channels, sizeof(gboolean))))
+ goto fail;
+
+ if (!(state->digital_pods = g_try_malloc0_n(config->digital_pods,
+ sizeof(gboolean))))
+ goto fail;
+
+ return state;
+
+fail:
+ if (state->analog_channels)
+ g_free(state->analog_channels);
+ if (state->digital_channels)
+ g_free(state->digital_channels);
+ if (state->digital_pods)
+ g_free(state->digital_pods);
+ g_free(state);
+
+ return NULL;
+}
+
+SR_PRIV void hmo_scope_state_free(struct scope_state *state)
+{
+ g_free(state->analog_channels);
+ g_free(state->digital_channels);
+ g_free(state->digital_pods);
+ g_free(state);
+}
+
+SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
+{
+ char tmp[25];
+ int model_index;
+ unsigned int i, j;
+ struct sr_probe *probe;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+ model_index = -1;
+
+ /* Find the exact model. */
+ for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
+ for (j = 0; scope_models[i].name[j]; j++) {
+ if (!strcmp(sdi->model, scope_models[i].name[j])) {
+ model_index = i;
+ break;
+ }
+ }
+ if (model_index != -1)
+ break;
+ }
+
+ if (model_index == -1) {
+ sr_dbg("Unsupported HMO device.");
+ return SR_ERR_NA;
+ }
+
+ if (!(devc->analog_groups = g_try_malloc0(sizeof(struct sr_probe_group) *
+ scope_models[model_index].analog_channels)))
+ return SR_ERR_MALLOC;
+
+ if (!(devc->digital_groups = g_try_malloc0(sizeof(struct sr_probe_group) *
+ scope_models[model_index].digital_pods)))
+ return SR_ERR_MALLOC;
+
+ /* Add analog channels. */
+ for (i = 0; i < scope_models[model_index].analog_channels; i++) {
+ if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
+ (*scope_models[model_index].analog_names)[i])))
+ return SR_ERR_MALLOC;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+
+ devc->analog_groups[i].name =
+ (char *)(*scope_models[model_index].analog_names)[i];
+ devc->analog_groups[i].probes = g_slist_append(NULL, probe);
+
+ sdi->probe_groups = g_slist_append(sdi->probe_groups,
+ &devc->analog_groups[i]);
+ }
+
+ /* Add digital probe groups. */
+ for (i = 0; i < scope_models[model_index].digital_pods; ++i) {
+ g_snprintf(tmp, 25, "POD%d", i);
+ devc->digital_groups[i].name = g_strdup(tmp);
+ sdi->probe_groups = g_slist_append(sdi->probe_groups,
+ &devc->digital_groups[i < 8 ? 0 : 1]);
+ }
+
+ /* Add digital channels. */
+ for (i = 0; i < scope_models[model_index].digital_channels; i++) {
+ if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
+ (*scope_models[model_index].digital_names)[i])))
+ return SR_ERR_MALLOC;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+
+ devc->digital_groups[i < 8 ? 0 : 1].probes = g_slist_append(
+ devc->digital_groups[i < 8 ? 0 : 1].probes, probe);
+ }
+
+ devc->model_config = &scope_models[model_index];
+ devc->frame_limit = 0;
+
+ if (!(devc->model_state = scope_state_new(devc->model_config)))
+ return SR_ERR_MALLOC;
+
+ return SR_OK;
+}
+
+SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)