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fluke-dmm: add support for Fluke 187

This commit is contained in:
Bert Vermeulen 2012-10-16 23:32:39 +02:00
parent 796a79eb75
commit fe31f8b9f9
1 changed files with 128 additions and 13 deletions
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141
hardware/fluke-dmm/fluke.c
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@ -28,6 +28,127 @@
#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("fluke-dmm: invalid float");
return NULL;
}
}
while(*e && *e == ' ')
e++;
analog = g_try_malloc0(sizeof(struct sr_datafeed_analog));
analog->num_samples = 1;
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)
{
@ -65,7 +186,7 @@ static struct sr_datafeed_analog *handle_qm_v2(const struct sr_dev_inst *sdi,
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;
}
@ -94,7 +215,6 @@ static struct sr_datafeed_analog *handle_qm_v2(const struct sr_dev_inst *sdi,
} 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;
@ -119,7 +239,6 @@ static struct sr_datafeed_analog *handle_qm_v2(const struct sr_dev_inst *sdi,
analog->unit = SR_UNIT_SIEMENS;
}
if (analog->mq == -1) {
/* Not a valid measurement. */
g_free(analog->data);
@ -152,24 +271,20 @@ static void handle_line(const struct sr_dev_inst *sdi)
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;
sr_spew("187 line");
/* TODO */
devc->buflen = 0;
analog = handle_qm_v1(sdi, tokens);
} else if (devc->profile->model == FLUKE_287) {
devc->expect_response = FALSE;
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);