X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fhameg-hmo%2Fprotocol.c;h=12e79c47393ec342cd0719fa8634cfd6aea3f911;hb=HEAD;hp=6dda2d353b14b81fffeedbe5e2eb406c33524152;hpb=a68bf88e3a6ba0184f1d6aea4ce26b9a2950a513;p=libsigrok.git diff --git a/hardware/hameg-hmo/protocol.c b/hardware/hameg-hmo/protocol.c deleted file mode 100644 index 6dda2d35..00000000 --- a/hardware/hameg-hmo/protocol.c +++ /dev/null @@ -1,741 +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 "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_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; - 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_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_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 (!(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].channels = g_slist_append(NULL, probe); - - 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 (!(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].channels = g_slist_append( - devc->digital_groups[i < 8 ? 0 : 1].channels, 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) -{ - struct sr_probe *probe; - 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) { - probe = devc->current_probe->data; - - switch (probe->type) { - case SR_PROBE_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.probes = g_slist_append(NULL, probe); - 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.probes); - g_array_free(data, TRUE); - break; - case SR_PROBE_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 probe type."); - break; - } - - packet.type = SR_DF_FRAME_END; - sr_session_send(sdi, &packet); - - if (devc->current_probe->next) { - devc->current_probe = devc->current_probe->next; - hmo_request_data(sdi); - } else if (++devc->num_frames == devc->frame_limit) { - sdi->driver->dev_acquisition_stop(sdi, cb_data); - } else { - devc->current_probe = devc->enabled_probes; - hmo_request_data(sdi); - } - } - - return TRUE; -}