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rigol-ds: add support for more keys in config_get()

This commit is contained in:
Aurelien Jacobs 2014-01-19 23:28:40 +01:00 committed by Martin Ling
parent 72ecba02f4
commit 2b0e4a468a
1 changed files with 67 additions and 0 deletions
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67
hardware/rigol-ds/api.c
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@ -23,6 +23,7 @@
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
@ -503,7 +504,13 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_probe_group *probe_group)
{
struct dev_context *devc;
struct sr_probe *probe;
const char *tmp_str;
uint64_t samplerate;
int analog_channel = -1;
float smallest_diff = 0.0000000001;
int idx = -1;
unsigned i;
if (!sdi || !(devc = sdi->priv))
return SR_ERR_ARG;
@ -514,6 +521,17 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
return SR_ERR;
}
if (probe_group) {
probe = g_slist_nth_data(probe_group->probes, 0);
if (!probe)
return SR_ERR;
if (probe->type == SR_PROBE_ANALOG) {
if (probe->name[2] < '1' || probe->name[2] > '4')
return SR_ERR;
analog_channel = probe->name[2] - '1';
}
}
switch (id) {
case SR_CONF_NUM_TIMEBASE:
*data = g_variant_new_int32(devc->model->num_horizontal_divs);
@ -537,6 +555,55 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
return SR_ERR_NA;
}
break;
case SR_CONF_TRIGGER_SOURCE:
if (!strcmp(devc->trigger_source, "ACL"))
tmp_str = "AC Line";
else if (!strcmp(devc->trigger_source, "CHAN1"))
tmp_str = "CH1";
else if (!strcmp(devc->trigger_source, "CHAN2"))
tmp_str = "CH2";
else if (!strcmp(devc->trigger_source, "CHAN3"))
tmp_str = "CH3";
else if (!strcmp(devc->trigger_source, "CHAN4"))
tmp_str = "CH4";
else
tmp_str = devc->trigger_source;
*data = g_variant_new_string(tmp_str);
break;
case SR_CONF_TIMEBASE:
for (i = 0; i < devc->num_timebases; i++) {
float tb = (float)devc->timebases[i][0] / devc->timebases[i][1];
float diff = fabs(devc->timebase - tb);
if (diff < smallest_diff) {
smallest_diff = diff;
idx = i;
}
}
if (idx < 0)
return SR_ERR_NA;
*data = g_variant_new("(tt)", devc->timebases[idx][0],
devc->timebases[idx][1]);
break;
case SR_CONF_VDIV:
if (analog_channel < 0)
return SR_ERR_NA;
for (i = 0; i < ARRAY_SIZE(vdivs); i++) {
float vdiv = (float)vdivs[i][0] / vdivs[i][1];
float diff = fabs(devc->vdiv[analog_channel] - vdiv);
if (diff < smallest_diff) {
smallest_diff = diff;
idx = i;
}
}
if (idx < 0)
return SR_ERR_NA;
*data = g_variant_new("(tt)", vdivs[idx][0], vdivs[idx][1]);
break;
case SR_CONF_COUPLING:
if (analog_channel < 0)
return SR_ERR_NA;
*data = g_variant_new_string(devc->coupling[analog_channel]);
break;
default:
return SR_ERR_NA;
}