+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "protocol.h"
-
-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 %s",
- [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
- [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
- [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
- [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?",
- [SCPI_CMD_GET_ANALOG_DATA] = ":CHAN%d:DATA?",
- [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?",
- [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s",
- [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 %s",
- [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,
- SR_CONF_SAMPLERATE,
- SR_CONF_LIMIT_FRAMES,
-};
-
-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",
- "DCL",
- "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_channel_names[] = {
- "CH1",
- "CH2",
- "CH3",
- "CH4",
-};
-
-static const char *scope_digital_channel_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_channel_names,
- .digital_names = &scope_digital_channel_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_channel_names,
- .digital_names = &scope_digital_channel_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;
- char *tmp;
-
- for (i = 0; i < config->analog_channels; ++i) {
- tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
- (*config->vdivs)[state->analog_channels[i].vdiv][1]);
- sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
- i + 1, state->analog_channels[i].state ? "On" : "Off",
- (*config->coupling_options)[state->analog_channels[i].coupling],
- tmp, 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");
- }
-
- tmp = sr_period_string((*config->timebases)[state->timebase][0] *
- (*config->timebases)[state->timebase][1]);
- sr_info("Current timebase: %s", tmp);
- g_free(tmp);
-
- tmp = sr_samplerate_string(state->sample_rate);
- sr_info("Current samplerate: %s", tmp);
- g_free(tmp);
-
- sr_info("Current trigger: %s (source), %s (slope) %.2f (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, j;
- float tmp_float;
- 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, &tmp_float) != SR_OK)
- return SR_ERR;
- for (j = 0; j < config->num_vdivs; j++) {
- if (tmp_float == ((float) (*config->vdivs)[j][0] /
- (*config->vdivs)[j][1])) {
- state->analog_channels[i].vdiv = j;
- break;
- }
- }
- if (i == config->num_vdivs)
- 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_update_sample_rate(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct scope_state *state;
- struct scope_config *config;
-
- int tmp;
- unsigned int i;
- float tmp_float;
- gboolean channel_found;
- char tmp_str[MAX_COMMAND_SIZE];
- char chan_name[20];
-
- devc = sdi->priv;
- config = devc->model_config;
- state = devc->model_state;
- channel_found = FALSE;
-
- for (i = 0; i < config->analog_channels; ++i) {
- if (state->analog_channels[i].state) {
- g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1);
- g_snprintf(tmp_str, sizeof(tmp_str),
- (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE],
- chan_name);
- channel_found = TRUE;
- break;
- }
- }
-
- if (!channel_found) {
- for (i = 0; i < config->digital_pods; i++) {
- if (state->digital_pods[i]) {
- g_snprintf(chan_name, sizeof(chan_name), "POD%d", i);
- g_snprintf(tmp_str, sizeof(tmp_str),
- (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE],
- chan_name);
- channel_found = TRUE;
- break;
- }
- }
- }
-
- /* No channel is active, ask the instrument for the sample rate
- * in single shot mode */
- if (!channel_found) {
- if (sr_scpi_get_float(sdi->conn,
- (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
- &tmp_float) != SR_OK)
- return SR_ERR;
-
- state->sample_rate = tmp_float;
- } else {
- if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK)
- return SR_ERR;
- state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] /
- (*config->timebases)[state->timebase][1]) *
- config->num_xdivs);
- }
-
- 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;
- float tmp_float;
- unsigned int i;
-
- devc = sdi->priv;
- config = devc->model_config;
- state = devc->model_state;
-
- sr_info("Fetching scope 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;
-
- if (sr_scpi_get_float(sdi->conn,
- (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
- &tmp_float) != SR_OK)
- return SR_ERR;
-
- for (i = 0; i < config->num_timebases; i++) {
- if (tmp_float == ((float) (*config->timebases)[i][0] /
- (*config->timebases)[i][1])) {
- state->timebase = i;
- break;
- }
- }
- if (i == config->num_timebases)
- return SR_ERR;
-
- if (sr_scpi_get_float(sdi->conn,
- (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
- &tmp_float) != SR_OK)
- return SR_ERR;
- state->horiz_triggerpos = tmp_float /
- (((double) (*config->timebases)[state->timebase][0] /
- (*config->timebases)[state->timebase][1]) * config->num_xdivs);
- state->horiz_triggerpos -= 0.5;
- state->horiz_triggerpos *= -1;
-
- 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;
-
- if (hmo_update_sample_rate(sdi) != SR_OK)
- return SR_ERR;
-
- sr_info("Fetching finished.");
-
- scope_state_dump(config, state);
-
- return SR_OK;
-}
-
-static 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_channel *ch;
- 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_channel_group) *
- scope_models[model_index].analog_channels)))
- return SR_ERR_MALLOC;
-
- if (!(devc->digital_groups = g_try_malloc0(sizeof(struct sr_channel_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 (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE,
- (*scope_models[model_index].analog_names)[i])))
- return SR_ERR_MALLOC;
- sdi->channels = g_slist_append(sdi->channels, ch);
-
- devc->analog_groups[i].name =
- (char *)(*scope_models[model_index].analog_names)[i];
- devc->analog_groups[i].channels = g_slist_append(NULL, ch);
-
- sdi->channel_groups = g_slist_append(sdi->channel_groups,
- &devc->analog_groups[i]);
- }
-
- /* Add digital channel 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->channel_groups = g_slist_append(sdi->channel_groups,
- &devc->digital_groups[i < 8 ? 0 : 1]);
- }
-
- /* Add digital channels. */
- for (i = 0; i < scope_models[model_index].digital_channels; i++) {
- if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
- (*scope_models[model_index].digital_names)[i])))
- return SR_ERR_MALLOC;
- sdi->channels = g_slist_append(sdi->channels, ch);
-
- devc->digital_groups[i < 8 ? 0 : 1].channels = g_slist_append(
- devc->digital_groups[i < 8 ? 0 : 1].channels, ch);
- }
-
- 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)
-{
- struct sr_channel *ch;
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct sr_datafeed_packet packet;
- GArray *data;
- struct sr_datafeed_analog analog;
- struct sr_datafeed_logic logic;
-
- (void)fd;
-
- if (!(sdi = cb_data))
- return TRUE;
-
- if (!(devc = sdi->priv))
- return TRUE;
-
- if (revents == G_IO_IN) {
- ch = devc->current_channel->data;
-
- switch (ch->type) {
- case SR_CHANNEL_ANALOG:
- if (sr_scpi_get_floatv(sdi->conn, NULL, &data) != SR_OK) {
- if (data)
- g_array_free(data, TRUE);
-
- return TRUE;
- }
-
- packet.type = SR_DF_FRAME_BEGIN;
- sr_session_send(sdi, &packet);
-
- analog.channels = g_slist_append(NULL, ch);
- analog.num_samples = data->len;
- analog.data = (float *) data->data;
- analog.mq = SR_MQ_VOLTAGE;
- analog.unit = SR_UNIT_VOLT;
- analog.mqflags = 0;
- packet.type = SR_DF_ANALOG;
- packet.payload = &analog;
- sr_session_send(cb_data, &packet);
- g_slist_free(analog.channels);
- g_array_free(data, TRUE);
- break;
- case SR_CHANNEL_LOGIC:
- if (sr_scpi_get_uint8v(sdi->conn, NULL, &data) != SR_OK) {
- if (data)
- g_free(data);
- return TRUE;
- }
-
- packet.type = SR_DF_FRAME_BEGIN;
- sr_session_send(sdi, &packet);
-
- logic.length = data->len;
- logic.unitsize = 1;
- logic.data = data->data;
- packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
- sr_session_send(cb_data, &packet);
- g_array_free(data, TRUE);
- break;
- default:
- sr_err("Invalid channel type.");
- break;
- }
-
- packet.type = SR_DF_FRAME_END;
- sr_session_send(sdi, &packet);
-
- if (devc->current_channel->next) {
- devc->current_channel = devc->current_channel->next;
- hmo_request_data(sdi);
- } else if (++devc->num_frames == devc->frame_limit) {
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
- } else {
- devc->current_channel = devc->enabled_channels;
- hmo_request_data(sdi);
- }
- }
-
- return TRUE;
-}
projects / libsigrok.git / blobdiff