SR_TRIGGER_FALLING,
};
-static const char *const trigger_source_names[] = {
+static const char *trigger_sources[] = {
[TRIGGER_CHANNELS] = "CH",
[TRIGGER_EXT_TRG] = "TRG",
};
-static const char *const signal_edge_names[] = {
+static const char *signal_edges[] = {
[EDGE_POSITIVE] = "r",
[EDGE_NEGATIVE] = "f",
};
/* This delay appears to be necessary for reliable operation. */
g_usleep(30 * 1000);
+ sdi->status = SR_ST_ACTIVE;
+
devc->active_fpga_config = FPGA_NOCONF;
devc->short_transfer_quirk = FALSE;
devc->state = STATE_IDLE;
break;
/* Rinse and repeat. */
+ sdi->status = SR_ST_INACTIVE;
sr_usb_close(usb);
}
if (ret != SR_OK)
sr_warn("Unable to shut down device.");
- libusb_release_interface(usb->devhdl, USB_INTERFACE);
+ if (usb->devhdl)
+ libusb_release_interface(usb->devhdl, USB_INTERFACE);
sr_usb_close(usb);
- return SR_OK;
+ return ret;
}
/* Check whether the device options contain a specific key.
return FALSE;
}
-static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+static int config_get(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
unsigned int idx;
break;
case SR_CONF_CLOCK_EDGE:
idx = devc->cfg_clock_edge;
- if (idx >= ARRAY_SIZE(signal_edge_names))
+ if (idx >= ARRAY_SIZE(signal_edges))
return SR_ERR_BUG;
- *data = g_variant_new_string(signal_edge_names[idx]);
+ *data = g_variant_new_string(signal_edges[idx]);
break;
case SR_CONF_TRIGGER_SOURCE:
idx = devc->cfg_trigger_source;
- if (idx >= ARRAY_SIZE(trigger_source_names))
+ if (idx >= ARRAY_SIZE(trigger_sources))
return SR_ERR_BUG;
- *data = g_variant_new_string(trigger_source_names[idx]);
+ *data = g_variant_new_string(trigger_sources[idx]);
break;
case SR_CONF_TRIGGER_SLOPE:
idx = devc->cfg_trigger_slope;
- if (idx >= ARRAY_SIZE(signal_edge_names))
+ if (idx >= ARRAY_SIZE(signal_edges))
return SR_ERR_BUG;
- *data = g_variant_new_string(signal_edge_names[idx]);
+ *data = g_variant_new_string(signal_edges[idx]);
break;
default:
/* Must not happen for a key listed in devopts. */
return SR_OK;
}
-/* Helper for mapping a string-typed configuration value to an index
- * within a table of possible values.
- */
-static int lookup_index(GVariant *value, const char *const *table, int len)
-{
- const char *entry;
- int i;
-
- entry = g_variant_get_string(value, NULL);
- if (!entry)
- return -1;
-
- /* Linear search is fine for very small tables. */
- for (i = 0; i < len; i++) {
- if (strcmp(entry, table[i]) == 0)
- return i;
- }
-
- return -1;
-}
-
-static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+static int config_set(uint32_t key, GVariant *data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
uint64_t value;
struct dev_context *devc;
? CLOCK_EXT_CLK : CLOCK_INTERNAL;
break;
case SR_CONF_CLOCK_EDGE:
- idx = lookup_index(data, ARRAY_AND_SIZE(signal_edge_names));
- if (idx < 0)
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(signal_edges))) < 0)
return SR_ERR_ARG;
devc->cfg_clock_edge = idx;
break;
case SR_CONF_TRIGGER_SOURCE:
- idx = lookup_index(data, ARRAY_AND_SIZE(trigger_source_names));
- if (idx < 0)
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_sources))) < 0)
return SR_ERR_ARG;
devc->cfg_trigger_source = idx;
break;
case SR_CONF_TRIGGER_SLOPE:
- idx = lookup_index(data, ARRAY_AND_SIZE(signal_edge_names));
- if (idx < 0)
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(signal_edges))) < 0)
return SR_ERR_ARG;
devc->cfg_trigger_slope = idx;
break;
}
static int config_channel_set(const struct sr_dev_inst *sdi,
- struct sr_channel *ch, unsigned int changes)
+ struct sr_channel *ch, unsigned int changes)
{
uint64_t channel_bit;
struct dev_context *devc;
}
static int config_list(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
struct dev_context *devc;
(devc) ? devc->model->num_devopts : 0);
}
+ if (!devc)
+ return SR_ERR_ARG;
if (!has_devopt(devc->model, key | SR_CONF_LIST))
return SR_ERR_NA;
*data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
break;
case SR_CONF_TRIGGER_SOURCE:
- *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_source_names));
+ *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_sources));
break;
case SR_CONF_TRIGGER_SLOPE:
case SR_CONF_CLOCK_EDGE:
- *data = g_variant_new_strv(ARRAY_AND_SIZE(signal_edge_names));
+ *data = g_variant_new_strv(ARRAY_AND_SIZE(signal_edges));
break;
default:
/* Must not happen for a key listed in devopts. */