*/
#include <config.h>
+#include <math.h>
+#include <stdlib.h>
#include "scpi.h"
#include "protocol.h"
static const char *hameg_scpi_dialect[] = {
- [SCPI_CMD_GET_DIG_DATA] = ":POD%d:DATA?",
+ [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;: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_ANALOG_DATA] = ":FORM REAL,32;: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_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
[SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
[SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
+ [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
};
static const uint32_t hmo_devopts[] = {
};
static const char *hmo_coupling_options[] = {
- "AC",
- "ACL",
- "DC",
- "DCL",
+ "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202)
+ "ACL", // AC with 1 MOhm termination
+ "DC", // DC with 50 Ohm termination
+ "DCL", // DC with 1 MOhm termination
"GND",
NULL,
};
static const char *scope_trigger_slopes[] = {
"POS",
"NEG",
+ "EITH",
NULL,
};
"CH2",
"LINE",
"EXT",
+ "PATT",
+ "BUS1",
+ "BUS2",
"D0",
"D1",
"D2",
"CH4",
"LINE",
"EXT",
+ "PATT",
+ "BUS1",
+ "BUS2",
"D0",
"D1",
"D2",
{ 2, 1 },
{ 5, 1 },
{ 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
};
static const char *scope_analog_channel_names[] = {
static const struct scope_config scope_models[] = {
{
- .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
+ /* HMO2522/3032/3042/3052 support 16 digital channels but they're not supported yet. */
+ .name = {"HMO1002", "HMO722", "HMO1022", "HMO1522", "HMO2022", "HMO2522",
+ "HMO3032", "HMO3042", "HMO3052", NULL},
.analog_channels = 2,
.digital_channels = 8,
.digital_pods = 1,
.scpi_dialect = &hameg_scpi_dialect,
},
{
- .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
+ /* HMO2524/3034/3044/3054 support 16 digital channels but they're not supported yet. */
+ .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", "HMO2524",
+ "HMO3034", "HMO3044", "HMO3054", NULL},
.analog_channels = 4,
.digital_channels = 8,
.digital_pods = 1,
return SR_OK;
}
+/**
+ * This function takes a value of the form "2.000E-03" and returns the index
+ * of an array where a matching pair was found.
+ *
+ * @param value The string to be parsed.
+ * @param array The array of s/f pairs.
+ * @param array_len The number of pairs in the array.
+ * @param result The index at which a matching pair was found.
+ *
+ * @return SR_ERR on any parsing error, SR_OK otherwise.
+ */
+static int array_float_get(gchar *value, const uint64_t array[][2],
+ int array_len, unsigned int *result)
+{
+ struct sr_rational rval;
+ struct sr_rational aval;
+
+ if (sr_parse_rational(value, &rval) != SR_OK)
+ return SR_ERR;
+
+ for (int i = 0; i < array_len; i++) {
+ sr_rational_set(&aval, array[i][0], array[i][1]);
+ if (sr_rational_eq(&rval, &aval)) {
+ *result = i;
+ return SR_OK;
+ }
+ }
+
+ return SR_ERR;
+}
+
static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
const struct scope_config *config,
struct scope_state *state)
{
unsigned int i, j;
- float tmp_float;
char command[MAX_COMMAND_SIZE];
+ char *tmp_str;
for (i = 0; i < config->analog_channels; i++) {
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)
+ if (sr_scpi_get_string(scpi, command, &tmp_str) != 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 (j == config->num_vdivs) {
+
+ if (array_float_get(tmp_str, hmo_vdivs, ARRAY_SIZE(hmo_vdivs),
+ &j) != SR_OK) {
+ g_free(tmp_str);
sr_err("Could not determine array index for vertical div scale.");
return SR_ERR;
}
+ g_free(tmp_str);
+ state->analog_channels[i].vdiv = j;
+
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
i + 1);
if (scope_state_get_array_option(scpi, command, config->coupling_options,
&state->analog_channels[i].coupling) != SR_OK)
return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
+ i + 1);
+
+ if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
+ return SR_ERR;
+
+ if (tmp_str[0] == 'A')
+ state->analog_channels[i].probe_unit = 'A';
+ else
+ state->analog_channels[i].probe_unit = 'V';
+ g_free(tmp_str);
}
return SR_OK;
const struct scope_config *config;
float tmp_float;
unsigned int i;
+ char *tmp_str;
devc = sdi->priv;
config = devc->model_config;
&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) {
+ if (sr_scpi_get_string(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
+ &tmp_str) != SR_OK)
+ return SR_ERR;
+
+ if (array_float_get(tmp_str, hmo_timebases, ARRAY_SIZE(hmo_timebases),
+ &i) != SR_OK) {
+ g_free(tmp_str);
sr_err("Could not determine array index for time base.");
return SR_ERR;
}
+ g_free(tmp_str);
+
+ state->timebase = i;
if (sr_scpi_get_float(sdi->conn,
(*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
struct sr_channel *ch;
struct sr_dev_inst *sdi;
struct dev_context *devc;
+ struct scope_state *state;
struct sr_datafeed_packet packet;
- GArray *data;
- struct sr_datafeed_analog_old analog;
+ GByteArray *data;
+ struct sr_datafeed_analog analog;
+ struct sr_analog_encoding encoding;
+ struct sr_analog_meaning meaning;
+ struct sr_analog_spec spec;
struct sr_datafeed_logic logic;
(void)fd;
+ (void)revents;
data = NULL;
if (!(devc = sdi->priv))
return TRUE;
+ /* Although this is correct in general, the USBTMC libusb implementation
+ * currently does not generate an event prior to the first read. Often
+ * it is ok to start reading just after the 50ms timeout. See bug #785.
if (revents != G_IO_IN)
return TRUE;
+ */
ch = devc->current_channel->data;
+ state = devc->model_state;
switch (ch->type) {
case SR_CHANNEL_ANALOG:
- if (sr_scpi_get_floatv(sdi->conn, NULL, &data) != SR_OK) {
+ if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
if (data)
- g_array_free(data, TRUE);
+ g_byte_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_OLD;
+ packet.type = SR_DF_ANALOG;
+
+ analog.data = data->data;
+ analog.num_samples = data->len / sizeof(float);
+ analog.encoding = &encoding;
+ analog.meaning = &meaning;
+ analog.spec = &spec;
+
+ encoding.unitsize = sizeof(float);
+ encoding.is_signed = TRUE;
+ encoding.is_float = TRUE;
+ encoding.is_bigendian = FALSE;
+ /* TODO: Use proper 'digits' value for this device (and its modes). */
+ encoding.digits = 2;
+ encoding.is_digits_decimal = FALSE;
+ encoding.scale.p = 1;
+ encoding.scale.q = 1;
+ encoding.offset.p = 0;
+ encoding.offset.q = 1;
+ if (state->analog_channels[ch->index].probe_unit == 'V') {
+ meaning.mq = SR_MQ_VOLTAGE;
+ meaning.unit = SR_UNIT_VOLT;
+ } else {
+ meaning.mq = SR_MQ_CURRENT;
+ meaning.unit = SR_UNIT_AMPERE;
+ }
+ meaning.mqflags = 0;
+ meaning.channels = g_slist_append(NULL, ch);
+ /* TODO: Use proper 'digits' value for this device (and its modes). */
+ spec.spec_digits = 2;
packet.payload = &analog;
- sr_session_send(cb_data, &packet);
- g_slist_free(analog.channels);
- g_array_free(data, TRUE);
+ sr_session_send(sdi, &packet);
+ g_slist_free(meaning.channels);
+ g_byte_array_free(data, TRUE);
data = NULL;
break;
case SR_CHANNEL_LOGIC:
- if (sr_scpi_get_uint8v(sdi->conn, NULL, &data) != SR_OK) {
+ if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
g_free(data);
return TRUE;
}
logic.data = data->data;
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- sr_session_send(cb_data, &packet);
- g_array_free(data, TRUE);
+ sr_session_send(sdi, &packet);
+ g_byte_array_free(data, TRUE);
data = NULL;
break;
default:
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);
+ sdi->driver->dev_acquisition_stop(sdi);
} else {
devc->current_channel = devc->enabled_channels;
hmo_request_data(sdi);
projects / libsigrok.git / blobdiff