#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
-#include "config.h"
#include "fluke-dmm.h"
#include <stdlib.h>
#include <math.h>
#include <errno.h>
+static struct sr_datafeed_analog *handle_qm_v1(const struct sr_dev_inst *sdi,
+ char **tokens)
+{
+ struct sr_datafeed_analog *analog;
+ float fvalue;
+ char *e, *u;
+ gboolean is_oor;
+
+ (void)sdi;
+
+ if (strcmp(tokens[0], "QM"))
+ return NULL;
+
+ if ((e = strstr(tokens[1], "Out of range"))) {
+ is_oor = TRUE;
+ fvalue = -1;
+ } else {
+ is_oor = FALSE;
+ fvalue = strtof(tokens[1], &e);
+ if (fvalue == 0.0 && e == tokens[1]) {
+ /* Happens all the time, when switching modes. */
+ sr_dbg("Invalid float.");
+ return NULL;
+ }
+ }
+ while(*e && *e == ' ')
+ e++;
+
+ /* TODO: Check malloc return value. */
+ analog = g_try_malloc0(sizeof(struct sr_datafeed_analog));
+ analog->num_samples = 1;
+ /* TODO: Check malloc return value. */
+ analog->data = g_try_malloc(sizeof(float));
+ if (is_oor)
+ *analog->data = NAN;
+ else
+ *analog->data = fvalue;
+ analog->mq = -1;
+
+ if ((u = strstr(e, "V DC")) || (u = strstr(e, "V AC"))) {
+ analog->mq = SR_MQ_VOLTAGE;
+ analog->unit = SR_UNIT_VOLT;
+ if (!is_oor && e[0] == 'm')
+ *analog->data /= 1000;
+ /* This catches "V AC", "V DC" and "V AC+DC". */
+ if (strstr(u, "AC"))
+ analog->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
+ if (strstr(u, "DC"))
+ analog->mqflags |= SR_MQFLAG_DC;
+ } else if ((u = strstr(e, "dBV")) || (u = strstr(e, "dBm"))) {
+ analog->mq = SR_MQ_VOLTAGE;
+ if (u[2] == 'm')
+ analog->unit = SR_UNIT_DECIBEL_MW;
+ else
+ analog->unit = SR_UNIT_DECIBEL_VOLT;
+ analog->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
+ } else if ((u = strstr(e, "Ohms"))) {
+ analog->mq = SR_MQ_RESISTANCE;
+ analog->unit = SR_UNIT_OHM;
+ if (is_oor)
+ *analog->data = INFINITY;
+ else if (e[0] == 'k')
+ *analog->data *= 1000;
+ else if (e[0] == 'M')
+ *analog->data *= 1000000;
+ } else if (!strcmp(e, "nS")) {
+ analog->mq = SR_MQ_CONDUCTANCE;
+ analog->unit = SR_UNIT_SIEMENS;
+ *analog->data /= 1e+9;
+ } else if ((u = strstr(e, "Farads"))) {
+ analog->mq = SR_MQ_CAPACITANCE;
+ analog->unit = SR_UNIT_FARAD;
+ if (!is_oor) {
+ if (e[0] == 'm')
+ *analog->data /= 1e+3;
+ else if (e[0] == 'u')
+ *analog->data /= 1e+6;
+ else if (e[0] == 'n')
+ *analog->data /= 1e+9;
+ }
+ } else if ((u = strstr(e, "Deg C")) || (u = strstr(e, "Deg F"))) {
+ analog->mq = SR_MQ_TEMPERATURE;
+ if (u[4] == 'C')
+ analog->unit = SR_UNIT_CELSIUS;
+ else
+ analog->unit = SR_UNIT_FAHRENHEIT;
+ } else if ((u = strstr(e, "A AC")) || (u = strstr(e, "A DC"))) {
+ analog->mq = SR_MQ_CURRENT;
+ analog->unit = SR_UNIT_AMPERE;
+ /* This catches "A AC", "A DC" and "A AC+DC". */
+ if (strstr(u, "AC"))
+ analog->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
+ if (strstr(u, "DC"))
+ analog->mqflags |= SR_MQFLAG_DC;
+ if (!is_oor) {
+ if (e[0] == 'm')
+ *analog->data /= 1e+3;
+ else if (e[0] == 'u')
+ *analog->data /= 1e+6;
+ }
+ } else if ((u = strstr(e, "Hz"))) {
+ analog->mq = SR_MQ_FREQUENCY;
+ analog->unit = SR_UNIT_HERTZ;
+ if (e[0] == 'k')
+ *analog->data *= 1e+3;
+ } else if (!strcmp(e, "%")) {
+ analog->mq = SR_MQ_DUTY_CYCLE;
+ analog->unit = SR_UNIT_PERCENTAGE;
+ } else if ((u = strstr(e, "ms"))) {
+ analog->mq = SR_MQ_PULSE_WIDTH;
+ analog->unit = SR_UNIT_SECOND;
+ *analog->data /= 1e+3;
+ }
+
+ if (analog->mq == -1) {
+ /* Not a valid measurement. */
+ g_free(analog->data);
+ g_free(analog);
+ analog = NULL;
+ }
+
+ return analog;
+}
+
static struct sr_datafeed_analog *handle_qm_v2(const struct sr_dev_inst *sdi,
char **tokens)
{
char *eptr;
(void)sdi;
+
fvalue = strtof(tokens[0], &eptr);
if (fvalue == 0.0 && eptr == tokens[0]) {
- sr_err("fluke-dmm: invalid float");
+ sr_err("Invalid float.");
return NULL;
}
+ /* TODO: Check malloc return value. */
analog = g_try_malloc0(sizeof(struct sr_datafeed_analog));
analog->num_samples = 1;
+ /* TODO: Check malloc return value. */
analog->data = g_try_malloc(sizeof(float));
*analog->data = fvalue;
analog->mq = -1;
*analog->data = NAN;
} else
analog->mq = -1;
- } if (!strcmp(tokens[1], "CEL") || !strcmp(tokens[1], "FAR")) {
+ } else if (!strcmp(tokens[1], "dBV") || !strcmp(tokens[1], "dBm")) {
+ analog->mq = SR_MQ_VOLTAGE;
+ if (tokens[1][2] == 'm')
+ analog->unit = SR_UNIT_DECIBEL_MW;
+ else
+ analog->unit = SR_UNIT_DECIBEL_VOLT;
+ analog->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
+ } else if (!strcmp(tokens[1], "CEL") || !strcmp(tokens[1], "FAR")) {
if (!strcmp(tokens[2], "NORMAL")) {
analog->mq = SR_MQ_TEMPERATURE;
if (tokens[1][0] == 'C')
- analog->unit = SR_UNIT_CELSIUS;
+ analog->unit = SR_UNIT_CELSIUS;
else
analog->unit = SR_UNIT_FAHRENHEIT;
}
- } if (!strcmp(tokens[1], "OHM")) {
+ } else if (!strcmp(tokens[1], "OHM")) {
if (!strcmp(tokens[3], "NONE")) {
analog->mq = SR_MQ_RESISTANCE;
analog->unit = SR_UNIT_OHM;
analog->unit = SR_UNIT_BOOLEAN;
*analog->data = 1.0;
}
- } if (!strcmp(tokens[1], "F")
+ } else if (!strcmp(tokens[1], "F")
&& !strcmp(tokens[2], "NORMAL")
&& !strcmp(tokens[3], "NONE")) {
analog->mq = SR_MQ_CAPACITANCE;
} else if (!strcmp(tokens[1], "AAC") || !strcmp(tokens[1], "ADC")) {
analog->mq = SR_MQ_CURRENT;
analog->unit = SR_UNIT_AMPERE;
- analog->mqflags = SR_MQFLAG_RMS;
if (!strcmp(tokens[2], "NORMAL")) {
if (tokens[1][1] == 'A') {
analog->mqflags |= SR_MQFLAG_AC;
} if (!strcmp(tokens[1], "Hz") && !strcmp(tokens[2], "NORMAL")) {
analog->mq = SR_MQ_FREQUENCY;
analog->unit = SR_UNIT_HERTZ;
- } if (!strcmp(tokens[1], "PCT") && !strcmp(tokens[2], "NORMAL")) {
+ } else if (!strcmp(tokens[1], "PCT") && !strcmp(tokens[2], "NORMAL")) {
analog->mq = SR_MQ_DUTY_CYCLE;
analog->unit = SR_UNIT_PERCENTAGE;
- } if (!strcmp(tokens[1], "S") && !strcmp(tokens[2], "NORMAL")) {
+ } else if (!strcmp(tokens[1], "S") && !strcmp(tokens[2], "NORMAL")) {
analog->mq = SR_MQ_PULSE_WIDTH;
analog->unit = SR_UNIT_SECOND;
- } if (!strcmp(tokens[1], "SIE") && !strcmp(tokens[2], "NORMAL")) {
+ } else if (!strcmp(tokens[1], "SIE") && !strcmp(tokens[2], "NORMAL")) {
analog->mq = SR_MQ_CONDUCTANCE;
analog->unit = SR_UNIT_SIEMENS;
}
-
if (analog->mq == -1) {
/* Not a valid measurement. */
g_free(analog->data);
char **tokens;
devc = sdi->priv;
- sr_spew("fluke-dmm: received line '%s' (%d)", devc->buf, devc->buflen);
+ sr_spew("Received line '%s' (%d).", devc->buf, devc->buflen);
if (devc->buflen == 1) {
if (devc->buf[0] != '0') {
/* Not just a CMD_ACK from the query command. */
- sr_dbg("fluke-dmm: got CMD_ACK '%c'", devc->buf[0]);
+ sr_dbg("Got CMD_ACK '%c'.", devc->buf[0]);
devc->expect_response = FALSE;
}
devc->buflen = 0;
analog = NULL;
tokens = g_strsplit(devc->buf, ",", 0);
- if (devc->profile->model == FLUKE_187) {
- if (!strcmp(tokens[0], "QM")) {
- /* Yes, this is the response to the query. */
+ if (tokens[0] && tokens[1]) {
+ if (devc->profile->model == FLUKE_187) {
+ devc->expect_response = FALSE;
+ analog = handle_qm_v1(sdi, tokens);
+ } else if (devc->profile->model == FLUKE_287) {
devc->expect_response = FALSE;
- sr_spew("187 line");
- /* TODO */
- devc->buflen = 0;
+ analog = handle_qm_v2(sdi, tokens);
}
- } else if (devc->profile->model == FLUKE_287) {
- devc->expect_response = FALSE;
- analog = handle_qm_v2(sdi, tokens);
}
g_strfreev(tokens);
devc->buflen = 0;
if (analog) {
/* Got a measurement. */
- sr_dbg("val %f", *analog->data);
packet.type = SR_DF_ANALOG;
packet.payload = analog;
sr_session_send(devc->cb_data, &packet);
SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data)
{
- const struct sr_dev_inst *sdi;
+ struct sr_dev_inst *sdi;
struct dev_context *devc;
int len;
int64_t now, elapsed;
* or temporary disconnect issues. */
if ((devc->expect_response == FALSE && elapsed > devc->profile->poll_period)
|| elapsed > 1000) {
- sr_spew("fluke-dmm: sending QM");
+ sr_spew("Sending QM.");
if (serial_write(devc->serial->fd, "QM\r", 3) == -1)
- sr_err("fluke-dmm: unable to send QM: %s", strerror(errno));
+ sr_err("Unable to send QM: %s.", strerror(errno));
devc->cmd_sent_at = now;
devc->expect_response = TRUE;
}
projects / libsigrok.git / blobdiff