+++ /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 <stdlib.h>
-#include <glib/gstdio.h>
-#include "protocol.h"
-
-#define SERIALCOMM "115200/8n1/flow=1"
-
-SR_PRIV struct sr_dev_driver hameg_hmo_driver_info;
-static struct sr_dev_driver *di = &hameg_hmo_driver_info;
-
-static const char *manufacturers[] = {
- "HAMEG",
-};
-
-static const int32_t hwopts[] = {
- SR_CONF_CONN,
- SR_CONF_SERIALCOMM,
-};
-
-struct usb_id_info {
- uint16_t vendor_id;
- uint16_t product_id;
-};
-
-static struct usb_id_info ho_models[] = {
- { 0x0403, 0xed72 }, /* HO720 */
- { 0x0403, 0xed73 }, /* HO730 */
-};
-
-enum {
- PG_INVALID = -1,
- PG_NONE,
- PG_ANALOG,
- PG_DIGITAL,
-};
-
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-/**
- * Find USB serial devices via the USB vendor ID and product ID.
- *
- * @param vendor_id Vendor ID of the USB device.
- * @param product_id Product ID of the USB device.
- *
- * @return A GSList of strings containing the path of the serial device or
- * NULL if no serial device is found. The returned list must be freed
- * by the caller.
- */
-static GSList *auto_find_usb(uint16_t vendor_id, uint16_t product_id)
-{
-#ifdef __linux__
- const gchar *usb_dev;
- const char device_tree[] = "/sys/bus/usb/devices/";
- GDir *devices_dir, *device_dir;
- GSList *l = NULL;
- GSList *tty_devs;
- GSList *matched_paths;
- FILE *fd;
- char tmp[5];
- gchar *vendor_path, *product_path, *path_copy;
- gchar *prefix, *subdir_path, *device_path, *tty_path;
- unsigned long read_vendor_id, read_product_id;
- const char *file;
-
- l = NULL;
- tty_devs = NULL;
- matched_paths = NULL;
-
- if (!(devices_dir = g_dir_open(device_tree, 0, NULL)))
- return NULL;
-
- /*
- * Find potential candidates using the vendor ID and product ID
- * and store them in matched_paths.
- */
- while ((usb_dev = g_dir_read_name(devices_dir))) {
- vendor_path = g_strconcat(device_tree,
- usb_dev, "/idVendor", NULL);
- product_path = g_strconcat(device_tree,
- usb_dev, "/idProduct", NULL);
-
- if (!g_file_test(vendor_path, G_FILE_TEST_EXISTS) ||
- !g_file_test(product_path, G_FILE_TEST_EXISTS))
- goto skip_device;
-
- if ((fd = g_fopen(vendor_path, "r")) == NULL)
- goto skip_device;
-
- if (fgets(tmp, sizeof(tmp), fd) == NULL) {
- fclose(fd);
- goto skip_device;
- }
- read_vendor_id = strtoul(tmp, NULL, 16);
-
- fclose(fd);
-
- if ((fd = g_fopen(product_path, "r")) == NULL)
- goto skip_device;
-
- if (fgets(tmp, sizeof(tmp), fd) == NULL) {
- fclose(fd);
- goto skip_device;
- }
- read_product_id = strtoul(tmp, NULL, 16);
-
- fclose(fd);
-
- if (vendor_id == read_vendor_id &&
- product_id == read_product_id) {
- path_copy = g_strdup(usb_dev);
- matched_paths = g_slist_prepend(matched_paths,
- path_copy);
- }
-
-skip_device:
- g_free(vendor_path);
- g_free(product_path);
- }
- g_dir_close(devices_dir);
-
- /* For every matched device try to find a ttyUSBX subfolder. */
- for (l = matched_paths; l; l = l->next) {
- subdir_path = NULL;
-
- device_path = g_strconcat(device_tree, l->data, NULL);
-
- if (!(device_dir = g_dir_open(device_path, 0, NULL))) {
- g_free(device_path);
- continue;
- }
-
- prefix = g_strconcat(l->data, ":", NULL);
-
- while ((file = g_dir_read_name(device_dir))) {
- if (g_str_has_prefix(file, prefix)) {
- subdir_path = g_strconcat(device_path,
- "/", file, NULL);
- break;
- }
- }
- g_dir_close(device_dir);
-
- g_free(prefix);
- g_free(device_path);
-
- if (subdir_path) {
- if (!(device_dir = g_dir_open(subdir_path, 0, NULL))) {
- g_free(subdir_path);
- continue;
- }
- g_free(subdir_path);
-
- while ((file = g_dir_read_name(device_dir))) {
- if (g_str_has_prefix(file, "ttyUSB")) {
- tty_path = g_strconcat("/dev/",
- file, NULL);
- sr_dbg("Found USB device %04x:%04x attached to %s.",
- vendor_id, product_id, tty_path);
- tty_devs = g_slist_prepend(tty_devs,
- tty_path);
- break;
- }
- }
- g_dir_close(device_dir);
- }
- }
- g_slist_free_full(matched_paths, g_free);
-
- return tty_devs;
-#else
- return NULL;
-#endif
-}
-
-static int check_manufacturer(const char *manufacturer)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(manufacturers); ++i)
- if (!strcmp(manufacturer, manufacturers[i]))
- return SR_OK;
-
- return SR_ERR;
-}
-
-static struct sr_dev_inst *hmo_probe_serial_device(const char *serial_device,
- const char *serial_options)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct sr_scpi_hw_info *hw_info;
- struct sr_scpi_dev_inst *scpi;
-
- sdi = NULL;
- devc = NULL;
- scpi = NULL;
- hw_info = NULL;
-
- if (!(scpi = scpi_dev_inst_new(serial_device, serial_options)))
- goto fail;
-
- sr_info("Probing %s.", serial_device);
- if (sr_scpi_open(scpi) != SR_OK)
- goto fail;
-
- if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
- sr_info("Couldn't get IDN response.");
- goto fail;
- }
-
- if (check_manufacturer(hw_info->manufacturer) != SR_OK)
- goto fail;
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
- hw_info->manufacturer, hw_info->model,
- hw_info->firmware_version))) {
- goto fail;
- }
- sr_scpi_hw_info_free(hw_info);
- hw_info = NULL;
-
- if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
- goto fail;
-
- sdi->driver = di;
- sdi->priv = devc;
- sdi->inst_type = SR_INST_SCPI;
- sdi->conn = scpi;
-
- if (hmo_init_device(sdi) != SR_OK)
- goto fail;
-
- sr_scpi_close(sdi->conn);
-
- sdi->status = SR_ST_INACTIVE;
-
- return sdi;
-
-fail:
- if (hw_info)
- sr_scpi_hw_info_free(hw_info);
- if (scpi)
- sr_scpi_free(scpi);
- if (sdi)
- sr_dev_inst_free(sdi);
- if (devc)
- g_free(devc);
-
- return NULL;
-}
-
-static GSList *scan(GSList *options)
-{
- GSList *devices;
- struct drv_context *drvc;
- struct sr_dev_inst *sdi;
- const char *serial_device, *serial_options;
- GSList *l, *tty_devs;
- unsigned int i;
-
- serial_device = NULL;
- serial_options = SERIALCOMM;
- sdi = NULL;
- devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
-
- if (sr_serial_extract_options(options, &serial_device,
- &serial_options) == SR_OK) {
- sdi = hmo_probe_serial_device(serial_device, serial_options);
- if (sdi != NULL) {
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- }
- } else {
- tty_devs = NULL;
-
- for (i = 0; i < ARRAY_SIZE(ho_models); i++) {
- if ((l = auto_find_usb(ho_models[i].vendor_id,
- ho_models[i].product_id)) == NULL)
- continue;
- tty_devs = g_slist_concat(tty_devs, l);
- }
-
- for (l = tty_devs; l; l = l->next) {
- sdi = hmo_probe_serial_device(l->data, serial_options);
- if (sdi != NULL) {
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- }
- }
-
- g_slist_free_full(tty_devs, g_free);
- }
-
- return devices;
-}
-
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static void clear_helper(void *priv)
-{
- unsigned int i;
- struct dev_context *devc;
- struct scope_config *model;
-
- devc = priv;
- model = devc->model_config;
-
- hmo_scope_state_free(devc->model_state);
-
- for (i = 0; i < model->analog_channels; ++i)
- g_slist_free(devc->analog_groups[i].probes);
-
- for (i = 0; i < model->digital_pods; ++i) {
- g_slist_free(devc->digital_groups[i].probes);
- g_free(devc->digital_groups[i].name);
- }
-
- g_free(devc->analog_groups);
- g_free(devc->digital_groups);
-
- g_free(devc);
-}
-
-static int dev_clear(void)
-{
- return std_dev_clear(di, clear_helper);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK)
- return SR_ERR;
-
- if (hmo_scope_state_get(sdi) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- if (sdi->status == SR_ST_INACTIVE)
- return SR_OK;
-
- sr_scpi_close(sdi->conn);
-
- sdi->status = SR_ST_INACTIVE;
-
- return SR_OK;
-}
-
-static int cleanup(void)
-{
- dev_clear();
-
- return SR_OK;
-}
-
-static int check_probe_group(struct dev_context *devc,
- const struct sr_probe_group *probe_group)
-{
- unsigned int i;
- struct scope_config *model;
-
- model = devc->model_config;
-
- if (!probe_group)
- return PG_NONE;
-
- for (i = 0; i < model->analog_channels; ++i)
- if (probe_group == &devc->analog_groups[i])
- return PG_ANALOG;
-
- for (i = 0; i < model->digital_pods; ++i)
- if (probe_group == &devc->digital_groups[i])
- return PG_DIGITAL;
-
- sr_err("Invalid probe group specified.");
-
- return PG_INVALID;
-}
-
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
-{
- int ret, pg_type;
- unsigned int i;
- struct dev_context *devc;
- struct scope_config *model;
- struct scope_state *state;
-
- if (!sdi || !(devc = sdi->priv))
- return SR_ERR_ARG;
-
- if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID)
- return SR_ERR;
-
- ret = SR_ERR_NA;
- model = devc->model_config;
- state = devc->model_state;
-
- switch (key) {
- case SR_CONF_NUM_TIMEBASE:
- *data = g_variant_new_int32(model->num_xdivs);
- ret = SR_OK;
- break;
- case SR_CONF_NUM_VDIV:
- if (pg_type == PG_NONE) {
- sr_err("No probe group specified.");
- return SR_ERR_PROBE_GROUP;
- } else if (pg_type == PG_ANALOG) {
- for (i = 0; i < model->analog_channels; ++i) {
- if (probe_group != &devc->analog_groups[i])
- continue;
- *data = g_variant_new_int32(model->num_ydivs);
- ret = SR_OK;
- break;
- }
-
- } else {
- ret = SR_ERR_NA;
- }
- break;
- case SR_CONF_SAMPLERATE:
- *data = g_variant_new_uint64(state->sample_rate);
- ret = SR_OK;
- break;
- default:
- ret = SR_ERR_NA;
- }
-
- return ret;
-}
-
-static GVariant *build_tuples(const uint64_t (*array)[][2], unsigned int n)
-{
- unsigned int i;
- GVariant *rational[2];
- GVariantBuilder gvb;
-
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
-
- for (i = 0; i < n; i++) {
- rational[0] = g_variant_new_uint64((*array)[i][0]);
- rational[1] = g_variant_new_uint64((*array)[i][1]);
-
- /* FIXME: Valgrind reports a memory leak here. */
- g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2));
- }
-
- return g_variant_builder_end(&gvb);
-}
-
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
-{
- int ret, pg_type;
- unsigned int i, j;
- char command[MAX_COMMAND_SIZE], float_str[30];
- struct dev_context *devc;
- struct scope_config *model;
- struct scope_state *state;
- const char *tmp;
- uint64_t p, q, tmp_u64;
- double tmp_d;
-
- if (!sdi || !(devc = sdi->priv))
- return SR_ERR_ARG;
-
- if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID)
- return SR_ERR;
-
- model = devc->model_config;
- state = devc->model_state;
-
- ret = SR_ERR_NA;
-
- switch (key) {
- case SR_CONF_LIMIT_FRAMES:
- devc->frame_limit = g_variant_get_uint64(data);
- ret = SR_OK;
- break;
- case SR_CONF_TRIGGER_SOURCE:
- tmp = g_variant_get_string(data, NULL);
- for (i = 0; (*model->trigger_sources)[i]; i++) {
- if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
- continue;
- state->trigger_source = i;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE],
- (*model->trigger_sources)[i]);
-
- ret = sr_scpi_send(sdi->conn, command);
- break;
- }
- break;
- case SR_CONF_VDIV:
- if (pg_type == PG_NONE) {
- sr_err("No probe group specified.");
- return SR_ERR_PROBE_GROUP;
- }
-
- g_variant_get(data, "(tt)", &p, &q);
-
- for (i = 0; i < model->num_vdivs; i++) {
- if (p != (*model->vdivs)[i][0] ||
- q != (*model->vdivs)[i][1])
- continue;
- for (j = 1; j <= model->analog_channels; ++j) {
- if (probe_group != &devc->analog_groups[j - 1])
- continue;
- state->analog_channels[j - 1].vdiv = i;
- g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q);
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV],
- j, float_str);
-
- if (sr_scpi_send(sdi->conn, command) != SR_OK ||
- sr_scpi_get_opc(sdi->conn) != SR_OK)
- return SR_ERR;
-
- break;
- }
-
- ret = SR_OK;
- break;
- }
- break;
- case SR_CONF_TIMEBASE:
- g_variant_get(data, "(tt)", &p, &q);
-
- for (i = 0; i < model->num_timebases; i++) {
- if (p != (*model->timebases)[i][0] ||
- q != (*model->timebases)[i][1])
- continue;
- state->timebase = i;
- g_ascii_formatd(float_str, sizeof(float_str), "%E", (float) p / q);
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE],
- float_str);
-
- ret = sr_scpi_send(sdi->conn, command);
- break;
- }
- break;
- case SR_CONF_HORIZ_TRIGGERPOS:
- tmp_d = g_variant_get_double(data);
-
- if (tmp_d < 0.0 || tmp_d > 1.0)
- return SR_ERR;
-
- state->horiz_triggerpos = -(tmp_d - 0.5) * state->timebase * model->num_xdivs;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS],
- state->horiz_triggerpos);
-
- ret = sr_scpi_send(sdi->conn, command);
- break;
- case SR_CONF_TRIGGER_SLOPE:
- tmp_u64 = g_variant_get_uint64(data);
-
- if (tmp_u64 != 0 && tmp_u64 != 1)
- return SR_ERR;
-
- state->trigger_slope = tmp_u64;
-
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
- tmp_u64 ? "POS" : "NEG");
-
- ret = sr_scpi_send(sdi->conn, command);
- break;
- case SR_CONF_COUPLING:
- if (pg_type == PG_NONE) {
- sr_err("No probe group specified.");
- return SR_ERR_PROBE_GROUP;
- }
-
- tmp = g_variant_get_string(data, NULL);
-
- for (i = 0; (*model->coupling_options)[i]; i++) {
- if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
- continue;
- for (j = 1; j <= model->analog_channels; ++j) {
- if (probe_group != &devc->analog_groups[j - 1])
- continue;
- state->analog_channels[j-1].coupling = i;
-
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING],
- j, tmp);
-
- if (sr_scpi_send(sdi->conn, command) != SR_OK ||
- sr_scpi_get_opc(sdi->conn) != SR_OK)
- return SR_ERR;
- break;
- }
-
- ret = SR_OK;
- break;
- }
- break;
- default:
- ret = SR_ERR_NA;
- break;
- }
-
- if (ret == SR_OK)
- ret = sr_scpi_get_opc(sdi->conn);
-
- return ret;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
-{
- int pg_type;
- struct dev_context *devc;
- struct scope_config *model;
-
- if (!sdi || !(devc = sdi->priv))
- return SR_ERR_ARG;
-
- if ((pg_type = check_probe_group(devc, probe_group)) == PG_INVALID)
- return SR_ERR;
-
- model = devc->model_config;
-
- switch (key) {
- case SR_CONF_DEVICE_OPTIONS:
- if (pg_type == PG_NONE) {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- model->hw_caps, model->num_hwcaps,
- sizeof(int32_t));
- } else if (pg_type == PG_ANALOG) {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- model->analog_hwcaps, model->num_analog_hwcaps,
- sizeof(int32_t));
- } else {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- NULL, 0, sizeof(int32_t));
- }
- break;
- case SR_CONF_COUPLING:
- if (pg_type == PG_NONE)
- return SR_ERR_PROBE_GROUP;
- *data = g_variant_new_strv(*model->coupling_options,
- g_strv_length((char **)*model->coupling_options));
- break;
- case SR_CONF_TRIGGER_SOURCE:
- *data = g_variant_new_strv(*model->trigger_sources,
- g_strv_length((char **)*model->trigger_sources));
- break;
- case SR_CONF_TIMEBASE:
- *data = build_tuples(model->timebases, model->num_timebases);
- break;
- case SR_CONF_VDIV:
- if (pg_type == PG_NONE)
- return SR_ERR_PROBE_GROUP;
- *data = build_tuples(model->vdivs, model->num_vdivs);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi)
-{
- char command[MAX_COMMAND_SIZE];
- struct sr_probe *probe;
- struct dev_context *devc;
- struct scope_config *model;
-
- devc = sdi->priv;
- model = devc->model_config;
-
- probe = devc->current_probe->data;
-
- switch (probe->type) {
- case SR_PROBE_ANALOG:
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA],
- probe->index + 1);
- break;
- case SR_PROBE_LOGIC:
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA],
- probe->index < 8 ? 1 : 2);
- break;
- default:
- sr_err("Invalid probe type.");
- break;
- }
-
- return sr_scpi_send(sdi->conn, command);
-}
-
-static int hmo_check_probes(GSList *probes)
-{
- GSList *l;
- struct sr_probe *probe;
- gboolean enabled_pod1, enabled_pod2, enabled_chan3, enabled_chan4;
-
- enabled_pod1 = enabled_pod2 = enabled_chan3 = enabled_chan4 = FALSE;
-
- for (l = probes; l; l = l->next) {
- probe = l->data;
- switch (probe->type) {
- case SR_PROBE_ANALOG:
- if (probe->index == 2)
- enabled_chan3 = TRUE;
- else if (probe->index == 3)
- enabled_chan4 = TRUE;
- break;
- case SR_PROBE_LOGIC:
- if (probe->index < 8)
- enabled_pod1 = TRUE;
- else
- enabled_pod2 = TRUE;
- break;
- default:
- return SR_ERR;
- }
- }
-
- if ((enabled_pod1 && enabled_chan3) ||
- (enabled_pod2 && enabled_chan4))
- return SR_ERR;
-
- return SR_OK;
-}
-
-static int hmo_setup_probes(const struct sr_dev_inst *sdi)
-{
- GSList *l;
- unsigned int i;
- gboolean *pod_enabled;
- char command[MAX_COMMAND_SIZE];
- struct scope_state *state;
- struct scope_config *model;
- struct sr_probe *probe;
- struct dev_context *devc;
- struct sr_scpi_dev_inst *scpi;
-
- devc = sdi->priv;
- scpi = sdi->conn;
- state = devc->model_state;
- model = devc->model_config;
-
- pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods);
-
- for (l = sdi->probes; l; l = l->next) {
- probe = l->data;
- switch (probe->type) {
- case SR_PROBE_ANALOG:
- if (probe->enabled == state->analog_channels[probe->index].state)
- break;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE],
- probe->index + 1, probe->enabled);
-
- if (sr_scpi_send(scpi, command) != SR_OK)
- return SR_ERR;
- state->analog_channels[probe->index].state = probe->enabled;
- break;
- case SR_PROBE_LOGIC:
- /*
- * A digital POD needs to be enabled for every group of
- * 8 probes.
- */
- if (probe->enabled)
- pod_enabled[probe->index < 8 ? 0 : 1] = TRUE;
-
- if (probe->enabled == state->digital_channels[probe->index])
- break;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE],
- probe->index, probe->enabled);
-
- if (sr_scpi_send(scpi, command) != SR_OK)
- return SR_ERR;
-
- state->digital_channels[probe->index] = probe->enabled;
- break;
- default:
- return SR_ERR;
- }
- }
-
- for (i = 1; i <= model->digital_pods; ++i) {
- if (state->digital_pods[i - 1] == pod_enabled[i - 1])
- continue;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE],
- i, pod_enabled[i - 1]);
- if (sr_scpi_send(scpi, command) != SR_OK)
- return SR_ERR;
- state->digital_pods[i - 1] = pod_enabled[i - 1];
- }
-
- g_free(pod_enabled);
-
- return SR_OK;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
-{
- GSList *l;
- gboolean digital_added;
- struct sr_probe *probe;
- struct dev_context *devc;
- struct sr_scpi_dev_inst *scpi;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- scpi = sdi->conn;
- devc = sdi->priv;
- digital_added = FALSE;
-
- for (l = sdi->probes; l; l = l->next) {
- probe = l->data;
- if (!probe->enabled)
- continue;
- /* Only add a single digital probe. */
- if (probe->type != SR_PROBE_LOGIC || !digital_added) {
- devc->enabled_probes = g_slist_append(
- devc->enabled_probes, probe);
- if (probe->type == SR_PROBE_LOGIC)
- digital_added = TRUE;
- }
- }
-
- if (!devc->enabled_probes)
- return SR_ERR;
-
- if (hmo_check_probes(devc->enabled_probes) != SR_OK) {
- sr_err("Invalid probe configuration specified!");
- return SR_ERR_NA;
- }
-
- if (hmo_setup_probes(sdi) != SR_OK) {
- sr_err("Failed to setup probe configuration!");
- return SR_ERR;
- }
-
- sr_scpi_source_add(scpi, G_IO_IN, 50, hmo_receive_data, (void *)sdi);
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
-
- devc->current_probe = devc->enabled_probes;
-
- return hmo_request_data(sdi);
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- struct dev_context *devc;
- struct sr_scpi_dev_inst *scpi;
- struct sr_datafeed_packet packet;
-
- (void)cb_data;
-
- packet.type = SR_DF_END;
- packet.payload = NULL;
- sr_session_send(sdi, &packet);
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc = sdi->priv;
-
- g_slist_free(devc->enabled_probes);
- devc->enabled_probes = NULL;
- scpi = sdi->conn;
- sr_scpi_source_remove(scpi);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = {
- .name = "hameg-hmo",
- .longname = "Hameg HMO",
- .api_version = 1,
- .init = init,
- .cleanup = cleanup,
- .scan = scan,
- .dev_list = dev_list,
- .dev_clear = dev_clear,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff