X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=libsigrok.h;h=21468c875a2dac2828dc59a28e128d8ce0d63e7a;hb=1656e47def5422a5273f023d542d4d6a72668b42;hp=e43338e52dc0561985e5fb3ccc6a93643c55d472;hpb=471607f0244e93cd67097760431a0dd3d39152eb;p=libsigrok.git diff --git a/libsigrok.h b/libsigrok.h index e43338e5..21468c87 100644 --- a/libsigrok.h +++ b/libsigrok.h @@ -607,8 +607,7 @@ enum { /** Information on single probe. */ struct sr_probe { - /** Number of probes, starting at 0. @deprecated The index field - * will go: use g_slist_length(sdi->probes) instead. */ + /** Number of probes, starting at 0. */ int index; /** Probe type (SR_PROBE_LOGIC, ...) */ int type; @@ -834,6 +833,9 @@ enum { /** Over-current protection (OCP) */ SR_CONF_OVER_CURRENT_PROTECTION, + /** Choice of clock edge for external clock ("r" or "f"). */ + SR_CONF_CLOCK_EDGE, + /*--- Special stuff -------------------------------------------------*/ /** Scan options supported by the driver. */ @@ -868,18 +870,6 @@ enum { */ SR_CONF_DATA_SOURCE, - /** - * On devices without sample compression (or compression turned off), - * this returns the maximum number of samples that can be stored. This - * can change as probes are disabled, depending on the hardware, so - * should be queried after such changes are made. If not applicable, - * fetching this value with sr_config_get() will return SR_ERR_NA. - * - * SR_CONF_LIMIT_SAMPLES should not be set to a higher value than - * this value, if applicable. - */ - SR_CONF_MAX_UNCOMPRESSED_SAMPLES, - /*--- Acquisition modes ---------------------------------------------*/ /** @@ -963,30 +953,55 @@ enum { SR_ST_STOPPING, }; -/** Device driver data */ +/** Device driver data. See also http://sigrok.org/wiki/Hardware_driver_API . */ struct sr_dev_driver { /* Driver-specific */ - /** Driver name */ + /** Driver name. Lowercase a-z, 0-9 and dashes (-) only. */ char *name; - /** Long name, e.g. device name. */ + /** Long name. Verbose driver name shown to user. */ char *longname; /** API version (currently 1). */ int api_version; - /** Init driver */ + /** Called when driver is loaded, e.g. program startup. */ int (*init) (struct sr_context *sr_ctx); - /** Free driver */ + /** Called before driver is unloaded. + * Driver must free all resouces held by it. */ int (*cleanup) (void); - /** Scan for devices */ + /** Scan for devices. Driver should do all initialisation required. + * Can be called several times, e.g. with different port options. + * \retval NULL Error or no devices found. + * \retval other GSList of a struct sr_dev_inst for each device. + * Must be freed by caller! + */ GSList *(*scan) (GSList *options); - /** Get device list */ + /** Get list of device instances the driver knows about. + * \returns NULL or GSList of a struct sr_dev_inst for each device. + * Must not be freed by caller! + */ GSList *(*dev_list) (void); + /** Clear list of devices the driver knows about. */ int (*dev_clear) (void); + /** Query value of a configuration key in driver or given device instance. + * @see sr_config_get(). + */ int (*config_get) (int id, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_probe_group *probe_group); + /** Set value of a configuration key in driver or a given device instance. + * @see sr_config_set(). */ int (*config_set) (int id, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_probe_group *probe_group); + /** Probe status change. + * @see sr_dev_probe_enable(), sr_dev_trigger_set(). */ + int (*config_probe_set) (const struct sr_dev_inst *sdi, + struct sr_probe *probe, unsigned int changes); + /** Apply configuration settings to the device hardware. + * @see sr_config_commit().*/ + int (*config_commit) (const struct sr_dev_inst *sdi); + /** List all possible values for a configuration key in a device instance. + * @see sr_config_list(). + */ int (*config_list) (int info_id, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_probe_group *probe_group); @@ -996,15 +1011,15 @@ struct sr_dev_driver { int (*dev_open) (struct sr_dev_inst *sdi); /** Close device */ int (*dev_close) (struct sr_dev_inst *sdi); - /** Start data aquisition. */ + /** Begin data acquisition on the specified device. */ int (*dev_acquisition_start) (const struct sr_dev_inst *sdi, void *cb_data); - /** Stop data aquisition. */ + /** End data acquisition on the specified device. */ int (*dev_acquisition_stop) (struct sr_dev_inst *sdi, void *cb_data); /* Dynamic */ - /** Device driver private data */ + /** Device driver private data. Initialized by init(). */ void *priv; };