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rigol-ds1xx2: better debugging

This commit is contained in:
Bert Vermeulen 2013-04-08 01:12:42 +02:00
parent 75d8a4e576
commit a3df166f02
2 changed files with 26 additions and 16 deletions
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22
hardware/rigol-ds1xx2/api.c
View File

@ -351,12 +351,12 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
break;
case SR_CONF_TRIGGER_SLOPE:
tmp_u64 = g_variant_get_uint64(data);
rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SLOP %s\n",
rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SLOP %s",
tmp_u64 ? "POS" : "NEG");
break;
case SR_CONF_HORIZ_TRIGGERPOS:
tmp_double = g_variant_get_double(data);
rigol_ds1xx2_send_data(devc->fd, ":TIM:OFFS %.9f\n", tmp_double);
rigol_ds1xx2_send_data(devc->fd, ":TIM:OFFS %.9f", tmp_double);
break;
case SR_CONF_TIMEBASE:
g_variant_get(data, "(tt)", &p, &q);
@ -368,7 +368,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
}
}
if (tmp_int >= 0)
rigol_ds1xx2_send_data(devc->fd, ":TIM:SCAL %.9f\n",
rigol_ds1xx2_send_data(devc->fd, ":TIM:SCAL %.9f",
(float)timebases[i][0] / timebases[i][1]);
break;
case SR_CONF_TRIGGER_SOURCE:
@ -385,7 +385,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
ret = SR_ERR_ARG;
break;
}
rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SOUR %s\n", channel);
rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SOUR %s", channel);
break;
case SR_CONF_VDIV:
g_variant_get(data, "(tt)", &p, &q);
@ -394,9 +394,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
if (vdivs[i][0] != p || vdivs[i][1] != q)
continue;
devc->scale = (float)vdivs[i][0] / vdivs[i][1];
rigol_ds1xx2_send_data(devc->fd, ":CHAN0:SCAL %.3f\n",
rigol_ds1xx2_send_data(devc->fd, ":CHAN0:SCAL %.3f",
devc->scale);
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL %.3f\n",
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL %.3f",
devc->scale);
break;
}
@ -408,9 +408,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
tmp_str = g_variant_get_string(data, NULL);
for (i = 0; i < ARRAY_SIZE(coupling); i++) {
if (!strcmp(tmp_str, coupling[i])) {
rigol_ds1xx2_send_data(devc->fd, ":CHAN0:COUP %s\n",
rigol_ds1xx2_send_data(devc->fd, ":CHAN0:COUP %s",
coupling[i]);
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:COUP %s\n",
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:COUP %s",
coupling[i]);
break;
}
@ -494,17 +494,17 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
/* Hardcoded to CH1 only. */
devc->enabled_probes = g_slist_append(NULL, sdi->probes->data);
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL?\n");
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL?");
len = read(devc->fd, buf, sizeof(buf));
buf[len] = 0;
devc->scale = atof(buf);
sr_dbg("Scale is %.3f.", devc->scale);
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:OFFS?\n");
rigol_ds1xx2_send_data(devc->fd, ":CHAN1:OFFS?");
len = read(devc->fd, buf, sizeof(buf));
buf[len] = 0;
devc->offset = atof(buf);
sr_dbg("Offset is %.6f.", devc->offset);
rigol_ds1xx2_send_data(devc->fd, ":WAV:DATA?\n");
rigol_ds1xx2_send_data(devc->fd, ":WAV:DATA?");
return SR_OK;
}

20
hardware/rigol-ds1xx2/protocol.c
View File

@ -21,6 +21,7 @@
#include <stdarg.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
@ -74,7 +75,7 @@ SR_PRIV int rigol_ds1xx2_receive_data(int fd, int revents, void *cb_data)
if (++devc->num_frames == devc->limit_frames)
sdi->driver->dev_acquisition_stop(sdi, cb_data);
else
rigol_ds1xx2_send_data(fd, ":WAV:DATA?\n");
rigol_ds1xx2_send_data(fd, ":WAV:DATA?");
}
}
@ -85,13 +86,22 @@ SR_PRIV int rigol_ds1xx2_send_data(int fd, const char *format, ...)
{
va_list args;
char buf[256];
int len;
int len, out, ret;
va_start(args, format);
len = vsprintf(buf, format, args);
va_end(args);
len = write(fd, buf, len);
sr_dbg("Sent '%s'.", buf);
strcat(buf, "\n");
len++;
out = write(fd, buf, len);
buf[len - 1] = '\0';
if (out != len) {
sr_dbg("Only sent %d/%d bytes of '%s'.", out, len, buf);
ret = SR_ERR;
} else {
sr_dbg("Sent '%s'.", buf);
ret = SR_OK;
}
return len;
return ret;
}