Various log message cleanups.

[libsigrok.git] / src / hwdriver.c

diff --git a/src/hwdriver.c b/src/hwdriver.c
index deff5a7b2a9b703203ccf011256647d68e25f8ea..3e6b00126488ef58dd562cef0f7d12f124ce742b 100644 (file)
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -394,6 +394,8 @@ SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver)
                return SR_ERR_ARG;
        }
 
+       /* No log message here, too verbose and not very useful. */
+
        if ((ret = driver->init(driver, ctx)) < 0)
                sr_err("Failed to initialize the driver: %d.", ret);
 
@@ -527,8 +529,7 @@ SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
 
        l = driver->scan(driver, options);
 
-       sr_spew("Scan of '%s' found %d devices.", driver->name,
-               g_slist_length(l));
+       sr_spew("Scan found %d devices (%s).", g_slist_length(l), driver->name);
 
        return l;
 }
@@ -548,6 +549,8 @@ SR_PRIV void sr_hw_cleanup_all(const struct sr_context *ctx)
        if (!ctx)
                return;
 
+       sr_dbg("Cleaning up all drivers.");
+
        drivers = sr_driver_list(ctx);
        for (i = 0; drivers[i]; i++) {
                if (drivers[i]->cleanup)
@@ -581,7 +584,6 @@ SR_PRIV struct sr_config *sr_config_new(uint32_t key, GVariant *data)
  */
 SR_PRIV void sr_config_free(struct sr_config *src)
 {
-
        if (!src || !src->data) {
                sr_err("%s: invalid data!", __func__);
                return;
@@ -589,7 +591,44 @@ SR_PRIV void sr_config_free(struct sr_config *src)
 
        g_variant_unref(src->data);
        g_free(src);
+}
+
+/** @private */
+SR_PRIV int sr_dev_acquisition_start(struct sr_dev_inst *sdi)
+{
+       if (!sdi || !sdi->driver) {
+               sr_err("%s: Invalid arguments.", __func__);
+               return SR_ERR_ARG;
+       }
+
+       if (sdi->status != SR_ST_ACTIVE) {
+               sr_err("%s: Device instance not active, can't start.",
+                       sdi->driver->name);
+               return SR_ERR_DEV_CLOSED;
+       }
+
+       sr_dbg("%s: Starting acquisition.", sdi->driver->name);
 
+       return sdi->driver->dev_acquisition_start(sdi);
+}
+
+/** @private */
+SR_PRIV int sr_dev_acquisition_stop(struct sr_dev_inst *sdi)
+{
+       if (!sdi || !sdi->driver) {
+               sr_err("%s: Invalid arguments.", __func__);
+               return SR_ERR_ARG;
+       }
+
+       if (sdi->status != SR_ST_ACTIVE) {
+               sr_err("%s: Device instance not active, can't stop.",
+                       sdi->driver->name);
+               return SR_ERR_DEV_CLOSED;
+       }
+
+       sr_dbg("%s: Stopping acquisition.", sdi->driver->name);
+
+       return sdi->driver->dev_acquisition_stop(sdi);
 }
 
 static void log_key(const struct sr_dev_inst *sdi,
@@ -767,7 +806,11 @@ SR_API int sr_config_set(const struct sr_dev_inst *sdi,
                ret = SR_ERR;
        else if (!sdi->driver->config_set)
                ret = SR_ERR_ARG;
-       else if (check_key(sdi->driver, sdi, cg, key, SR_CONF_SET, data) != SR_OK)
+       else if (sdi->status != SR_ST_ACTIVE) {
+               sr_err("%s: Device instance not active, can't set config.",
+                       sdi->driver->name);
+               ret = SR_ERR_DEV_CLOSED;
+       } else if (check_key(sdi->driver, sdi, cg, key, SR_CONF_SET, data) != SR_OK)
                return SR_ERR_ARG;
        else if ((ret = sr_variant_type_check(key, data)) == SR_OK) {
                log_key(sdi, cg, key, SR_CONF_SET, data);
@@ -796,7 +839,11 @@ SR_API int sr_config_commit(const struct sr_dev_inst *sdi)
                ret = SR_ERR;
        else if (!sdi->driver->config_commit)
                ret = SR_OK;
-       else
+       else if (sdi->status != SR_ST_ACTIVE) {
+               sr_err("%s: Device instance not active, can't commit config.",
+                       sdi->driver->name);
+               ret = SR_ERR_DEV_CLOSED;
+       } else
                ret = sdi->driver->config_commit(sdi);
 
        return ret;