X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=include%2Flibsigrok%2Flibsigrok.h;h=7b4ca15bbe1410abdd06267819a539a5c8d9315c;hb=032da34b786333a1af811235c5cf29855479f0b6;hp=df1333a9e79d938acb9e4ca5f54415932b98083e;hpb=24287ea9e3dd0c6f7fc2299eaf725346b8c1fea2;p=libsigrok.git

diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index df1333a9..7b4ca15b 100644
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -76,6 +76,7 @@ enum sr_error_code {
 	SR_ERR_TIMEOUT       = -8, /**< A timeout occurred. */
 	SR_ERR_CHANNEL_GROUP = -9, /**< A channel group must be specified. */
 	SR_ERR_DATA          =-10, /**< Data is invalid.  */
+	SR_ERR_IO            =-11, /**< Input/output error. */
 
 	/*
 	 * Note: When adding entries here, don't forget to also update the
@@ -223,6 +224,12 @@ enum sr_mq {
 	SR_MQ_PHASE_ANGLE,
 	/** Difference from reference value. */
 	SR_MQ_DIFFERENCE,
+	/** Count. */
+	SR_MQ_COUNT,
+	/** Power factor. */
+	SR_MQ_POWER_FACTOR,
+	/** Apparent power */
+	SR_MQ_APPARENT_POWER,
 };
 
 /** Unit of measured quantity, sr_datafeed_analog.unit. */
@@ -284,7 +291,7 @@ enum sr_unit {
 	SR_UNIT_METER_SECOND,
 	/** Pressure in hectopascal */
 	SR_UNIT_HECTOPASCAL,
-	/** Relative humidity assuming air temperature of 293 kelvin (%rF). */
+	/** Relative humidity assuming air temperature of 293 Kelvin (%rF). */
 	SR_UNIT_HUMIDITY_293K,
 	/** Plane angle in 1/360th of a full circle. */
 	SR_UNIT_DEGREE,
@@ -515,6 +522,8 @@ struct sr_input;
 struct sr_input_module;
 struct sr_output;
 struct sr_output_module;
+struct sr_transform;
+struct sr_transform_module;
 
 /** Constants for channel type. */
 enum sr_channeltype {
@@ -526,6 +535,8 @@ enum sr_channeltype {
 
 /** Information on single channel. */
 struct sr_channel {
+	/** The device this channel is attached to. */
+	struct sr_dev_inst *sdi;
 	/** The index of this channel, starting at 0. Logic channels will
 	 * be encoded according to this index in SR_DF_LOGIC packets. */
 	int index;
@@ -665,6 +676,15 @@ enum sr_configkey {
 	/** The device supports setting trigger slope. */
 	SR_CONF_TRIGGER_SLOPE,
 
+	/** The device supports averaging. */
+	SR_CONF_AVERAGING,
+
+	/**
+	 * The device supports setting number of samples to be
+	 * averaged over.
+	 */
+	SR_CONF_AVG_SAMPLES,
+
 	/** Trigger source. */
 	SR_CONF_TRIGGER_SOURCE,
 
@@ -692,8 +712,8 @@ enum sr_configkey {
 	/** The device supports setting its sample interval, in ms. */
 	SR_CONF_SAMPLE_INTERVAL,
 
-	/** Number of timebases, as related to SR_CONF_TIMEBASE.  */
-	SR_CONF_NUM_TIMEBASE,
+	/** Number of horizontal divisions, as related to SR_CONF_TIMEBASE. */
+	SR_CONF_NUM_HDIV,
 
 	/** Number of vertical divisions, as related to SR_CONF_VDIV.  */
 	SR_CONF_NUM_VDIV,
@@ -894,6 +914,9 @@ enum sr_configkey {
 	 */
 	SR_CONF_DATA_SOURCE,
 
+	/** The device supports setting a probe factor. */
+	SR_CONF_PROBE_FACTOR,
+
 	/*--- Acquisition modes, sample limiting ----------------------------*/
 
 	/**
@@ -975,24 +998,24 @@ struct sr_dev_driver {
 	/** API version (currently 1).	*/
 	int api_version;
 	/** Called when driver is loaded, e.g. program startup. */
-	int (*init) (struct sr_context *sr_ctx);
+	int (*init) (struct sr_dev_driver *driver, struct sr_context *sr_ctx);
 	/** Called before driver is unloaded.
 	 *  Driver must free all resources held by it. */
-	int (*cleanup) (void);
+	int (*cleanup) (const struct sr_dev_driver *driver);
 	/** 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);
+	GSList *(*scan) (struct sr_dev_driver *driver, GSList *options);
 	/** 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);
+	GSList *(*dev_list) (const struct sr_dev_driver *driver);
 	/** Clear list of devices the driver knows about. */
-	int (*dev_clear) (void);
+	int (*dev_clear) (const struct sr_dev_driver *driver);
 	/** Query value of a configuration key in driver or given device instance.
 	 *  @see sr_config_get().
 	 */