* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <glib.h>
#include <libusb.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.h"
-SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
-
static const uint32_t scanopts[] = {
SR_CONF_CONN,
};
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
SR_CONF_THERMOMETER,
SR_CONF_HYGROMETER,
+};
+
+static const uint32_t devopts[] = {
SR_CONF_CONN | SR_CONF_GET,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET,
};
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
}
sdi->inst_type = SR_INST_USB;
sdi->conn = usb;
- drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
g_slist_free(usb_devices);
} else
g_slist_free_full(usb_devices, g_free);
- return devices;
-}
-
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
- return ((struct drv_context *)(di->context))->instances;
+ return std_scan_complete(di, devices);
}
static int dev_open(struct sr_dev_inst *sdi)
{
struct sr_dev_driver *di = sdi->driver;
- struct drv_context *drvc;
+ struct drv_context *drvc = di->context;;
struct sr_usb_dev_inst *usb;
int ret;
- if (!(drvc = di->context)) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
return SR_ERR;
}
- sdi->status = SR_ST_ACTIVE;
- return ret;
+ return SR_OK;
}
static int dev_close(struct sr_dev_inst *sdi)
{
- struct sr_dev_driver *di = sdi->driver;
struct sr_usb_dev_inst *usb;
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (!usb->devhdl)
- /* Nothing to do. */
- return SR_OK;
+ return SR_ERR_BUG;
libusb_release_interface(usb->devhdl, LASCAR_INTERFACE);
libusb_close(usb->devhdl);
usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
return SR_OK;
}
-static int cleanup(const struct sr_dev_driver *di)
-{
- int ret;
- struct drv_context *drvc;
-
- if (!(drvc = di->context))
- /* Can get called on an unused driver, doesn't matter. */
- return SR_OK;
-
- ret = std_dev_clear(di, NULL);
- g_free(drvc);
-
- return ret;
-}
-
static int config_get(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 sr_dev_driver *di = sdi->driver;
struct dev_context *devc;
int ret;
(void)cg;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
devc = sdi->priv;
ret = SR_OK;
switch (key) {
static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
- (void)sdi;
- (void)cg;
-
- 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;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
}
static void LIBUSB_CALL mark_xfer(struct libusb_transfer *xfer)
return ret;
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
struct sr_dev_driver *di = sdi->driver;
struct sr_datafeed_packet packet;
int ret;
unsigned char cmd[3], resp[4], *buf;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
drvc = di->context;
devc = sdi->priv;
usb = sdi->conn;
- devc->cb_data = cb_data;
if (lascar_proc_config(sdi) != SR_OK)
return SR_ERR;
sr_dbg("Starting log retrieval.");
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
+ std_session_send_df_header(sdi);
interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000;
packet.type = SR_DF_META;
packet.payload = &meta;
src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, g_variant_new_uint64(interval));
meta.config = g_slist_append(NULL, src);
- sr_session_send(devc->cb_data, &packet);
+ sr_session_send(sdi, &packet);
g_free(src);
if (devc->logged_samples == 0) {
/* This ensures the frontend knows the session is done. */
- packet.type = SR_DF_END;
- sr_session_send(devc->cb_data, &packet);
+ std_session_send_df_end(sdi);
return SR_OK;
}
libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
}
if (xfer_in->user_data != GINT_TO_POINTER(1) ||
- xfer_in->user_data != GINT_TO_POINTER(1)) {
+ xfer_out->user_data != GINT_TO_POINTER(1)) {
sr_dbg("no response to log transfer request");
libusb_free_transfer(xfer_in);
libusb_free_transfer(xfer_out);
buf = g_malloc(4096);
libusb_fill_bulk_transfer(xfer_in, usb->devhdl, LASCAR_EP_IN,
- buf, 4096, lascar_el_usb_receive_transfer, cb_data, 100);
+ buf, 4096, lascar_el_usb_receive_transfer,
+ (struct sr_dev_inst *)sdi, 100);
if ((ret = libusb_submit_transfer(xfer_in) != 0)) {
sr_err("Unable to submit transfer: %s.", libusb_error_name(ret));
libusb_free_transfer(xfer_in);
return SR_OK;
}
-SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- struct sr_dev_driver *di = sdi->driver;
- (void)cb_data;
-
- if (!di->context) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't stop acquisition.");
- return SR_ERR;
- }
-
sdi->status = SR_ST_STOPPING;
/* TODO: free ongoing transfers? */
.name = "lascar-el-usb",
.longname = "Lascar EL-USB",
.api_version = 1,
- .init = init,
- .cleanup = cleanup,
+ .init = std_init,
+ .cleanup = std_cleanup,
.scan = scan,
- .dev_list = dev_list,
- .dev_clear = NULL,
+ .dev_list = std_dev_list,
+ .dev_clear = std_dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
.dev_acquisition_stop = dev_acquisition_stop,
.context = NULL,
};
+SR_REGISTER_DEV_DRIVER(lascar_el_usb_driver_info);
projects / libsigrok.git / blobdiff