X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fhameg-hmo%2Fapi.c;fp=hardware%2Fhameg-hmo%2Fapi.c;h=0000000000000000000000000000000000000000;hb=155b680da482cea2381becb73c51cfb838bff31e;hp=ff045f16425e61ad091be85868c2111845cb39fe;hpb=43cd4637285833706f8a404ca027bcf0ee75b9ae;p=libsigrok.git diff --git a/hardware/hameg-hmo/api.c b/hardware/hameg-hmo/api.c deleted file mode 100644 index ff045f16..00000000 --- a/hardware/hameg-hmo/api.c +++ /dev/null @@ -1,806 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2013 poljar (Damir Jelić) - * - * 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 . - */ - -#include -#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, -}; - -enum { - CG_INVALID = -1, - CG_NONE, - CG_ANALOG, - CG_DIGITAL, -}; - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -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(struct sr_scpi_dev_inst *scpi) -{ - struct sr_dev_inst *sdi; - struct dev_context *devc; - struct sr_scpi_hw_info *hw_info; - - sdi = NULL; - devc = NULL; - hw_info = NULL; - - 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 (sdi) - sr_dev_inst_free(sdi); - if (devc) - g_free(devc); - - return NULL; -} - -static GSList *scan(GSList *options) -{ - return sr_scpi_scan(di->priv, options, hmo_probe_serial_device); -} - -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].channels); - - for (i = 0; i < model->digital_pods; ++i) { - g_slist_free(devc->digital_groups[i].channels); - 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_channel_group(struct dev_context *devc, - const struct sr_channel_group *cg) -{ - unsigned int i; - struct scope_config *model; - - model = devc->model_config; - - if (!cg) - return CG_NONE; - - for (i = 0; i < model->analog_channels; ++i) - if (cg == &devc->analog_groups[i]) - return CG_ANALOG; - - for (i = 0; i < model->digital_pods; ++i) - if (cg == &devc->digital_groups[i]) - return CG_DIGITAL; - - sr_err("Invalid channel group specified."); - - return CG_INVALID; -} - -static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - int ret, cg_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 ((cg_type = check_channel_group(devc, cg)) == CG_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_TIMEBASE: - *data = g_variant_new("(tt)", (*model->timebases)[state->timebase][0], - (*model->timebases)[state->timebase][1]); - ret = SR_OK; - break; - case SR_CONF_NUM_VDIV: - if (cg_type == CG_NONE) { - sr_err("No channel group specified."); - return SR_ERR_CHANNEL_GROUP; - } else if (cg_type == CG_ANALOG) { - for (i = 0; i < model->analog_channels; ++i) { - if (cg != &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_VDIV: - if (cg_type == CG_NONE) { - sr_err("No channel group specified."); - return SR_ERR_CHANNEL_GROUP; - } else if (cg_type == CG_ANALOG) { - for (i = 0; i < model->analog_channels; ++i) { - if (cg != &devc->analog_groups[i]) - continue; - *data = g_variant_new("(tt)", - (*model->vdivs)[state->analog_channels[i].vdiv][0], - (*model->vdivs)[state->analog_channels[i].vdiv][1]); - ret = SR_OK; - break; - } - - } else { - ret = SR_ERR_NA; - } - break; - case SR_CONF_TRIGGER_SOURCE: - *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); - ret = SR_OK; - break; - case SR_CONF_TRIGGER_SLOPE: - *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); - ret = SR_OK; - break; - case SR_CONF_HORIZ_TRIGGERPOS: - *data = g_variant_new_double(state->horiz_triggerpos); - ret = SR_OK; - break; - case SR_CONF_COUPLING: - if (cg_type == CG_NONE) { - sr_err("No channel group specified."); - return SR_ERR_CHANNEL_GROUP; - } else if (cg_type == CG_ANALOG) { - for (i = 0; i < model->analog_channels; ++i) { - if (cg != &devc->analog_groups[i]) - continue; - *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); - 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_channel_group *cg) -{ - int ret, cg_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; - double tmp_d; - gboolean update_sample_rate; - - if (!sdi || !(devc = sdi->priv)) - return SR_ERR_ARG; - - if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) - return SR_ERR; - - model = devc->model_config; - state = devc->model_state; - update_sample_rate = FALSE; - - 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 (cg_type == CG_NONE) { - sr_err("No channel group specified."); - return SR_ERR_CHANNEL_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 (cg != &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); - update_sample_rate = TRUE; - 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; - tmp_d = -(tmp_d - 0.5) * - ((double) (*model->timebases)[state->timebase][0] / - (*model->timebases)[state->timebase][1]) - * model->num_xdivs; - - g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], - float_str); - - ret = sr_scpi_send(sdi->conn, command); - break; - case SR_CONF_TRIGGER_SLOPE: - tmp = g_variant_get_string(data, NULL); - - if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r')) - return SR_ERR_ARG; - - state->trigger_slope = (tmp[0] == 'r') ? 0 : 1; - - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], - (state->trigger_slope == 0) ? "POS" : "NEG"); - - ret = sr_scpi_send(sdi->conn, command); - break; - case SR_CONF_COUPLING: - if (cg_type == CG_NONE) { - sr_err("No channel group specified."); - return SR_ERR_CHANNEL_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 (cg != &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); - - if (ret == SR_OK && update_sample_rate) - ret = hmo_update_sample_rate(sdi); - - return ret; -} - -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - int cg_type; - struct dev_context *devc; - struct scope_config *model; - - if (!sdi || !(devc = sdi->priv)) - return SR_ERR_ARG; - - if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) - return SR_ERR; - - model = devc->model_config; - - switch (key) { - case SR_CONF_DEVICE_OPTIONS: - if (cg_type == CG_NONE) { - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - model->hw_caps, model->num_hwcaps, - sizeof(int32_t)); - } else if (cg_type == CG_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 (cg_type == CG_NONE) - return SR_ERR_CHANNEL_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_TRIGGER_SLOPE: - *data = g_variant_new_strv(*model->trigger_slopes, - g_strv_length((char **)*model->trigger_slopes)); - break; - case SR_CONF_TIMEBASE: - *data = build_tuples(model->timebases, model->num_timebases); - break; - case SR_CONF_VDIV: - if (cg_type == CG_NONE) - return SR_ERR_CHANNEL_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_channel *ch; - struct dev_context *devc; - struct scope_config *model; - - devc = sdi->priv; - model = devc->model_config; - - ch = devc->current_channel->data; - - switch (ch->type) { - case SR_CHANNEL_ANALOG: - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], - ch->index + 1); - break; - case SR_CHANNEL_LOGIC: - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], - ch->index < 8 ? 1 : 2); - break; - default: - sr_err("Invalid channel type."); - break; - } - - return sr_scpi_send(sdi->conn, command); -} - -static int hmo_check_channels(GSList *channels) -{ - GSList *l; - struct sr_channel *ch; - gboolean enabled_pod1, enabled_pod2, enabled_chan3, enabled_chan4; - - enabled_pod1 = enabled_pod2 = enabled_chan3 = enabled_chan4 = FALSE; - - for (l = channels; l; l = l->next) { - ch = l->data; - switch (ch->type) { - case SR_CHANNEL_ANALOG: - if (ch->index == 2) - enabled_chan3 = TRUE; - else if (ch->index == 3) - enabled_chan4 = TRUE; - break; - case SR_CHANNEL_LOGIC: - if (ch->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_channels(const struct sr_dev_inst *sdi) -{ - GSList *l; - unsigned int i; - gboolean *pod_enabled, setup_changed; - char command[MAX_COMMAND_SIZE]; - struct scope_state *state; - struct scope_config *model; - struct sr_channel *ch; - struct dev_context *devc; - struct sr_scpi_dev_inst *scpi; - - devc = sdi->priv; - scpi = sdi->conn; - state = devc->model_state; - model = devc->model_config; - setup_changed = FALSE; - - pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); - - for (l = sdi->channels; l; l = l->next) { - ch = l->data; - switch (ch->type) { - case SR_CHANNEL_ANALOG: - if (ch->enabled == state->analog_channels[ch->index].state) - break; - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], - ch->index + 1, ch->enabled); - - if (sr_scpi_send(scpi, command) != SR_OK) - return SR_ERR; - state->analog_channels[ch->index].state = ch->enabled; - setup_changed = TRUE; - break; - case SR_CHANNEL_LOGIC: - /* - * A digital POD needs to be enabled for every group of - * 8 channels. - */ - if (ch->enabled) - pod_enabled[ch->index < 8 ? 0 : 1] = TRUE; - - if (ch->enabled == state->digital_channels[ch->index]) - break; - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], - ch->index, ch->enabled); - - if (sr_scpi_send(scpi, command) != SR_OK) - return SR_ERR; - - state->digital_channels[ch->index] = ch->enabled; - setup_changed = TRUE; - 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]; - setup_changed = TRUE; - } - - g_free(pod_enabled); - - if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) - return SR_ERR; - - return SR_OK; -} - -static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) -{ - GSList *l; - gboolean digital_added; - struct sr_channel *ch; - 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->channels; l; l = l->next) { - ch = l->data; - if (!ch->enabled) - continue; - /* Only add a single digital channel. */ - if (ch->type != SR_CHANNEL_LOGIC || !digital_added) { - devc->enabled_channels = g_slist_append( - devc->enabled_channels, ch); - if (ch->type == SR_CHANNEL_LOGIC) - digital_added = TRUE; - } - } - - if (!devc->enabled_channels) - return SR_ERR; - - if (hmo_check_channels(devc->enabled_channels) != SR_OK) { - sr_err("Invalid channel configuration specified!"); - return SR_ERR_NA; - } - - if (hmo_setup_channels(sdi) != SR_OK) { - sr_err("Failed to setup channel configuration!"); - return SR_ERR; - } - - sr_scpi_source_add(sdi->session, 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_channel = devc->enabled_channels; - - 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; - - devc->num_frames = 0; - g_slist_free(devc->enabled_channels); - devc->enabled_channels = NULL; - scpi = sdi->conn; - sr_scpi_source_remove(sdi->session, 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, -};