SR_CONF_CONN,
};
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
SR_CONF_LOGIC_ANALYZER,
+};
+
+static const uint32_t devopts[] = {
SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
SR_CONF_CONN | SR_CONF_GET,
SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
};
-static const int32_t soft_trigger_matches[] = {
+static const int32_t trigger_matches[] = {
SR_TRIGGER_ZERO,
SR_TRIGGER_ONE,
SR_TRIGGER_RISING,
static const struct {
enum voltage_range range;
- gdouble low;
- gdouble high;
-} volt_thresholds[] = {
- { VOLTAGE_RANGE_18_33_V, 0.7, 1.4 },
- { VOLTAGE_RANGE_5_V, 1.4, 3.6 },
+} thresholds_ranges[] = {
+ { VOLTAGE_RANGE_18_33_V, },
+ { VOLTAGE_RANGE_5_V, },
+};
+
+static const double thresholds[][2] = {
+ { 0.7, 1.4 },
+ { 1.4, 3.6 },
};
static const uint64_t samplerates[] = {
struct sr_usb_dev_inst *usb;
struct libusb_device_descriptor des;
struct drv_context *drvc;
- int ret, i, device_count;
+ int ret = SR_ERR, i, device_count;
char connection_id[64];
di = sdi->driver;
drvc = di->context;
usb = sdi->conn;
- if (sdi->status == SR_ST_ACTIVE)
- /* Device is already in use. */
- return SR_ERR;
-
device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
if (device_count < 0) {
sr_err("Failed to get device list: %s.",
} else {
sr_err("Failed to open device: %s.",
libusb_error_name(ret));
+ ret = SR_ERR;
break;
}
if (ret == LIBUSB_ERROR_BUSY) {
sr_err("Unable to claim USB interface. Another "
"program or driver has already claimed it.");
+ ret = SR_ERR;
break;
} else if (ret == LIBUSB_ERROR_NO_DEVICE) {
sr_err("Device has been disconnected.");
+ ret = SR_ERR;
break;
} else if (ret != 0) {
sr_err("Unable to claim interface: %s.",
libusb_error_name(ret));
+ ret = SR_ERR;
break;
}
break;
}
- sdi->status = SR_ST_ACTIVE;
sr_info("Opened device on %d.%d (logical) / %s (physical), interface %d.",
usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
+ ret = SR_OK;
+
break;
}
+
libusb_free_device_list(devlist, 1);
- if (sdi->status != SR_ST_ACTIVE) {
+ if (ret != SR_OK) {
if (usb->devhdl) {
libusb_release_interface(usb->devhdl, USB_INTERFACE);
libusb_close(usb->devhdl);
struct sr_usb_dev_inst *usb;
usb = sdi->conn;
+
if (!usb->devhdl)
- return SR_ERR;
+ return SR_ERR_BUG;
sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.",
usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
libusb_release_interface(usb->devhdl, USB_INTERFACE);
libusb_close(usb->devhdl);
usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
return SR_OK;
}
-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;
struct sr_usb_dev_inst *usb;
- GVariant *range[2];
- char str[128];
- int ret;
unsigned int i;
(void)cg;
- ret = SR_OK;
switch (key) {
case SR_CONF_CONN:
if (!sdi || !sdi->conn)
/* Device still needs to re-enumerate after firmware
* upload, so we don't know its (future) address. */
return SR_ERR;
- snprintf(str, 128, "%d.%d", usb->bus, usb->address);
- *data = g_variant_new_string(str);
+ *data = g_variant_new_printf("%d.%d", usb->bus, usb->address);
break;
case SR_CONF_SAMPLERATE:
if (!sdi)
if (!sdi)
return SR_ERR;
devc = sdi->priv;
- ret = SR_ERR;
- for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
- if (devc->selected_voltage_range !=
- volt_thresholds[i].range)
+ for (i = 0; i < ARRAY_SIZE(thresholds); i++) {
+ if (devc->selected_voltage_range != thresholds_ranges[i].range)
continue;
- range[0] = g_variant_new_double(volt_thresholds[i].low);
- range[1] = g_variant_new_double(volt_thresholds[i].high);
- *data = g_variant_new_tuple(range, 2);
- ret = SR_OK;
- break;
+ *data = std_gvar_tuple_double(thresholds[i][0], thresholds[i][1]);
+ return SR_OK;
}
- break;
+ return SR_ERR;
default:
return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
-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)
{
struct dev_context *devc;
- gdouble low, high;
- int ret;
- unsigned int i;
+ int idx;
(void)cg;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
devc = sdi->priv;
- ret = SR_OK;
switch (key) {
case SR_CONF_SAMPLERATE:
devc->cur_samplerate = g_variant_get_uint64(data);
break;
case SR_CONF_CAPTURE_RATIO:
devc->capture_ratio = g_variant_get_uint64(data);
- ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK;
break;
case SR_CONF_VOLTAGE_THRESHOLD:
- g_variant_get(data, "(dd)", &low, &high);
- ret = SR_ERR_ARG;
- for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
- if (fabs(volt_thresholds[i].low - low) < 0.1 &&
- fabs(volt_thresholds[i].high - high) < 0.1) {
- devc->selected_voltage_range =
- volt_thresholds[i].range;
- ret = SR_OK;
- break;
- }
- }
+ if ((idx = std_double_tuple_idx(data, ARRAY_AND_SIZE(thresholds))) < 0)
+ return SR_ERR_ARG;
+ devc->selected_voltage_range = thresholds_ranges[idx].range;
break;
default:
- ret = SR_ERR_NA;
+ return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
-static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+static int config_list(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- GVariant *gvar, *range[2];
- GVariantBuilder gvb;
- int ret;
- unsigned int i;
-
- (void)sdi;
- (void)cg;
-
- ret = SR_OK;
switch (key) {
case SR_CONF_SCAN_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
- break;
case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
- break;
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
case SR_CONF_SAMPLERATE:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
- gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
- samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
- g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
- *data = g_variant_builder_end(&gvb);
+ *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates));
break;
case SR_CONF_VOLTAGE_THRESHOLD:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
- range[0] = g_variant_new_double(volt_thresholds[i].low);
- range[1] = g_variant_new_double(volt_thresholds[i].high);
- gvar = g_variant_new_tuple(range, 2);
- g_variant_builder_add_value(&gvb, gvar);
- }
- *data = g_variant_builder_end(&gvb);
+ *data = std_gvar_thresholds(ARRAY_AND_SIZE(thresholds));
break;
case SR_CONF_TRIGGER_MATCH:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches),
- sizeof(int32_t));
+ *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
break;
default:
return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
static void abort_acquisition(struct dev_context *devc)
unsigned char *buf;
size_t size, convsize;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
drvc = di->context;
devc = sdi->priv;
usb = sdi->conn;
if ((trigger = sr_session_trigger_get(sdi->session))) {
int pre_trigger_samples = 0;
if (devc->limit_samples > 0)
- pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100;
+ pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100;
devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples);
if (!devc->stl)
return SR_ERR_MALLOC;
.cleanup = std_cleanup,
.scan = scan,
.dev_list = std_dev_list,
- .dev_clear = NULL,
+ .dev_clear = std_dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,