END_TEST
START_TEST(test_analog_to_float_null)
{
int ret;
float f, fout;
struct sr_datafeed_analog analog;
struct sr_analog_encoding encoding;
struct sr_analog_meaning meaning;
struct sr_analog_spec spec;
f = G_PI;
sr_analog_init_(&analog, &encoding, &meaning, &spec, 3);
analog.num_samples = 1;
analog.data = &f;
ret = sr_analog_to_float(NULL, &fout);
fail_unless(ret == SR_ERR_ARG);
ret = sr_analog_to_float(&analog, NULL);
fail_unless(ret == SR_ERR_ARG);
ret = sr_analog_to_float(NULL, NULL);
fail_unless(ret == SR_ERR_ARG);
analog.data = NULL;
ret = sr_analog_to_float(&analog, &fout);
fail_unless(ret == SR_ERR_ARG);
analog.data = &f;
analog.meaning = NULL;
ret = sr_analog_to_float(&analog, &fout);
fail_unless(ret == SR_ERR_ARG);
analog.meaning = &meaning;
analog.encoding = NULL;
ret = sr_analog_to_float(&analog, &fout);
fail_unless(ret == SR_ERR_ARG);
analog.encoding = &encoding;
}
static int receive(const struct sr_output *o, const struct sr_datafeed_packet *packet,
GString **out)
{
struct context *ctx;
const struct sr_datafeed_analog_old *analog_old;
const struct sr_datafeed_analog *analog;
struct sr_channel *ch;
GSList *l;
float *fdata;
unsigned int i;
int num_channels, c, ret, si, digits;
char *number, *suffix;
*out = NULL;
if (!o || !o->sdi)
return SR_ERR_ARG;
ctx = o->priv;
switch (packet->type) {
case SR_DF_FRAME_BEGIN:
*out = g_string_new("FRAME-BEGIN\n");
break;
case SR_DF_FRAME_END:
*out = g_string_new("FRAME-END\n");
break;
case SR_DF_ANALOG_OLD:
analog_old = packet->payload;
fdata = (float *)analog_old->data;
*out = g_string_sized_new(512);
num_channels = g_slist_length(analog_old->channels);
for (si = 0; si < analog_old->num_samples; si++) {
for (l = analog_old->channels, c = 0; l; l = l->next, c++) {
ch = l->data;
g_string_append_printf(*out, "%s: ", ch->name);
fancyprint(analog_old->unit, analog_old->mqflags,
fdata[si * num_channels + c], *out);
}
}
break;
case SR_DF_ANALOG:
analog = packet->payload;
num_channels = g_slist_length(analog->meaning->channels);
if (!(fdata = g_try_malloc(
analog->num_samples * num_channels * sizeof(float))))
return SR_ERR_MALLOC;
if ((ret = sr_analog_to_float(analog, fdata)) != SR_OK)
return ret;
*out = g_string_sized_new(512);
if (analog->encoding->is_digits_decimal) {
if (ctx->digits == DIGITS_ALL)
digits = analog->encoding->digits;
else
digits = analog->spec->spec_digits;
} else {
/* TODO we don't know how to print by number of bits yet. */
digits = 6;
}
sr_analog_unit_to_string(analog, &suffix);
for (i = 0; i < analog->num_samples; i++) {
for (l = analog->meaning->channels, c = 0; l; l = l->next, c++) {
ch = l->data;
g_string_append_printf(*out, "%s: ", ch->name);
number = g_strdup_printf("%.*f", digits,
fdata[i * num_channels + c]);
g_string_append(*out, number);
g_free(number);
g_string_append(*out, " ");
g_string_append(*out, suffix);
g_string_append(*out, "\n");
}
}
g_free(suffix);
break;
}
return SR_OK;
}
