X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=libsigrok.h;h=79a767717f4d12746c4ad97cbb1dd9aeeb76ec02;hb=9c178ffa50da5bd6978d26989b79936dc341f308;hp=d4dd7bb65fa598f0d5a0f7fc260511fcf3de978c;hpb=0b4b41eed84be29e21b0e65c8072b546b4fdd37e;p=libsigrok.git diff --git a/libsigrok.h b/libsigrok.h index d4dd7bb6..79a76771 100644 --- a/libsigrok.h +++ b/libsigrok.h @@ -1,7 +1,7 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * - * Copyright (C) 2010-2012 Bert Vermeulen + * Copyright (C) 2013 Bert Vermeulen * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -36,7 +36,7 @@ extern "C" { * The public libsigrok header file to be used by frontends. * * This is the only file that libsigrok users (frontends) are supposed to - * use and #include. There are other header files which get installed with + * use and \#include. There are other header files which get installed with * libsigrok, but those are not meant to be used directly by frontends. * * The correct way to get/use the libsigrok API functions is: @@ -70,6 +70,13 @@ enum { SR_ERR_ARG = -3, /**< Function argument error. */ SR_ERR_BUG = -4, /**< Errors hinting at internal bugs. */ SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */ + SR_ERR_NA = -6, /**< Not applicable. */ + SR_ERR_DEV_CLOSED = -7, /**< Device is closed, but needs to be open. */ + + /* + * Note: When adding entries here, don't forget to also update the + * sr_strerror() and sr_strerror_name() functions in error.c. + */ }; #define SR_MAX_NUM_PROBES 64 /* Limited by uint64_t. */ @@ -136,14 +143,6 @@ enum { SR_T_KEYVALUE, }; -/** Rational number data type, containing numerator and denominator values. */ -struct sr_rational { - /** Numerator of the rational number. */ - uint64_t p; - /** Denominator of the rational number. */ - uint64_t q; -}; - /** Value for sr_datafeed_packet.type. */ enum { SR_DF_HEADER = 10000, @@ -522,7 +521,7 @@ struct sr_probe { struct sr_config { int key; - const void *value; + GVariant *data; }; struct sr_config_info { @@ -594,7 +593,7 @@ enum { /*--- Device configuration ------------------------------------------*/ - /** The device supports setting/changing its samplerate. */ + /** The device supports setting its samplerate, in Hz. */ SR_CONF_SAMPLERATE = 30000, /** The device supports setting a pre/post-trigger capture ratio. */ @@ -633,6 +632,15 @@ enum { /** Trigger types. */ SR_CONF_TRIGGER_TYPE, + /** 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 vertical divisions, as related to SR_CONF_VDIV. */ + SR_CONF_NUM_VDIV, + /*--- Special stuff -------------------------------------------------*/ /** Scan options supported by the driver. */ @@ -679,6 +687,10 @@ enum { * samples continuously, until explicitly stopped by a certain command. */ SR_CONF_CONTINUOUS, + + /** The device has internal storage, into which data is logged. This + * starts or stops the internal logging. */ + SR_CONF_DATALOG, }; struct sr_dev_inst { @@ -690,6 +702,7 @@ struct sr_dev_inst { char *model; char *version; GSList *probes; + void *conn; void *priv; }; @@ -715,18 +728,6 @@ enum { SR_ST_STOPPING, }; -/* - * A device supports either a range of samplerates with steps of a given - * granularity, or is limited to a set of defined samplerates. Use either - * step or list, but not both. - */ -struct sr_samplerates { - uint64_t low; - uint64_t high; - uint64_t step; - const uint64_t *list; -}; - struct sr_dev_driver { /* Driver-specific */ char *name; @@ -737,11 +738,11 @@ struct sr_dev_driver { GSList *(*scan) (GSList *options); GSList *(*dev_list) (void); int (*dev_clear) (void); - int (*config_get) (int id, const void **value, + int (*config_get) (int id, GVariant **data, const struct sr_dev_inst *sdi); - int (*config_set) (int id, const void *value, + int (*config_set) (int id, GVariant *data, const struct sr_dev_inst *sdi); - int (*config_list) (int info_id, const void **data, + int (*config_list) (int info_id, GVariant **data, const struct sr_dev_inst *sdi); /* Device-specific */ @@ -759,7 +760,7 @@ struct sr_dev_driver { struct sr_session { /** List of struct sr_dev pointers. */ GSList *devs; - /** List of sr_receive_data_callback_t items. */ + /** List of struct datafeed_callback pointers. */ GSList *datafeed_callbacks; GTimeVal starttime; @@ -774,6 +775,14 @@ struct sr_session { struct source *sources; GPollFD *pollfds; int source_timeout; + + /* + * These are our synchronization primitives for stopping the session in + * an async fashion. We need to make sure the session is stopped from + * within the session thread itself. + */ + GMutex stop_mutex; + gboolean abort_session; }; #include "proto.h"