SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
static struct sr_dev_driver *di = &victor_dmm_driver_info;
-static int hw_dev_close(struct sr_dev_inst *sdi);
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
static const int32_t hwopts[] = {
SR_CONF_CONN,
SR_CONF_CONTINUOUS,
};
-/* Properly close and free all devices. */
-static int clear_instances(void)
+static int dev_clear(void)
{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- GSList *l;
-
- if (!(drvc = di->priv))
- /* Can get called on an unused driver, doesn't matter. */
- return SR_OK;
-
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
- hw_dev_close(sdi);
- sr_usb_dev_inst_free(sdi->conn);
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
+ return std_dev_clear(di, NULL);
}
-static int hw_init(struct sr_context *sr_ctx)
+static int init(struct sr_context *sr_ctx)
{
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
drvc = di->priv;
- /* USB scan is always authoritative. */
- clear_instances();
-
devices = NULL;
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int dev_open(struct sr_dev_inst *sdi)
{
struct drv_context *drvc = di->priv;
struct sr_usb_dev_inst *usb;
return SR_OK;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
{
struct sr_usb_dev_inst *usb;
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
+ int ret;
struct drv_context *drvc;
if (!(drvc = di->priv))
/* Can get called on an unused driver, doesn't matter. */
return SR_OK;
- clear_instances();
+ ret = dev_clear();
g_free(drvc);
di->priv = NULL;
- return SR_OK;
+ return ret;
}
static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
gint64 now;
int ret;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
devc = sdi->priv;
if (transfer->status == LIBUSB_TRANSFER_NO_DEVICE) {
/* USB device was unplugged. */
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
} else if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
sr_dbg("Got %d-byte packet.", transfer->actual_length);
if (transfer->actual_length == DMM_DATA_SIZE) {
victor_dmm_receive_data(sdi, transfer->buffer);
if (devc->limit_samples) {
if (devc->num_samples >= devc->limit_samples)
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
}
}
}
libusb_error_name(ret));
g_free(transfer->buffer);
libusb_free_transfer(transfer);
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
}
} else {
/* This was the last transfer we're going to receive, so
if (devc->limit_msec) {
now = g_get_monotonic_time() / 1000;
if (now > devc->end_time)
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
}
if (sdi->status == SR_ST_STOPPING) {
for (i = 0; devc->usbfd[i] != -1; i++)
sr_source_remove(devc->usbfd[i]);
- hw_dev_close(sdi);
+ dev_close(sdi);
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return TRUE;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
struct dev_context *devc;
struct drv_context *drvc = di->priv;
int ret, i;
unsigned char *buf;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
devc->cb_data = cb_data;
/* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+ std_session_send_df_header(cb_data, LOG_PREFIX);
pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
for (i = 0; pfd[i]; i++) {
return SR_OK;
}
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
(void)cb_data;
.name = "victor-dmm",
.longname = "Victor DMMs",
.api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .dev_open = dev_open,
+ .dev_close = dev_close,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
.priv = NULL,
};