static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
GVariant *gvar;
GVariantBuilder gvb;
(void)sdi;
switch (key) {
case SR_CONF_DEVICE_OPTIONS:
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
chronovu_la8_hwcaps,
ARRAY_SIZE(chronovu_la8_hwcaps),
sizeof(int32_t));
break;
case SR_CONF_SAMPLERATE:
fill_supported_samplerates_if_needed();
g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
chronovu_la8_samplerates,
ARRAY_SIZE(chronovu_la8_samplerates),
sizeof(uint64_t));
g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
*data = g_variant_builder_end(&gvb);
break;
case SR_CONF_TRIGGER_TYPE:
*data = g_variant_new_string(TRIGGER_TYPE);
break;
default:
return SR_ERR_NA;
}
return SR_OK;
}
/**
* Check if the given samplerate is supported by the LA8 hardware.
*
* @param samplerate The samplerate (in Hz) to check.
* @return 1 if the samplerate is supported/valid, 0 otherwise.
*/
SR_PRIV int is_valid_samplerate(uint64_t samplerate)
{
int i;
fill_supported_samplerates_if_needed();
for (i = 0; i < 255; i++) {
if (supported_samplerates[i] == samplerate)
return 1;
}
sr_err("Invalid samplerate (%" PRIu64 "Hz).", samplerate);
return 0;
}
SR_PRIV int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate)
{
struct dev_context *devc;
/* Note: Caller checked that sdi and sdi->priv != NULL. */
devc = sdi->priv;
sr_spew("Trying to set samplerate to %" PRIu64 "Hz.", samplerate);
fill_supported_samplerates_if_needed();
/* Check if this is a samplerate supported by the hardware. */
if (!is_valid_samplerate(samplerate))
return SR_ERR;
/* Set the new samplerate. */
devc->cur_samplerate = samplerate;
sr_dbg("Samplerate set to %" PRIu64 "Hz.", devc->cur_samplerate);
return SR_OK;
}
