class SR_API Device;
class SR_API HardwareDevice;
class SR_API Channel;
-class SR_API EventSource;
class SR_API Session;
class SR_API ConfigKey;
class SR_API InputFormat;
/** Type of log callback */
typedef function<void(const LogLevel *, string message)> LogCallbackFunction;
+/** Resource reader delegate. */
+class SR_API ResourceReader
+{
+public:
+ ResourceReader() {}
+ virtual ~ResourceReader();
+private:
+ /** Resource open hook. */
+ virtual void open(struct sr_resource *res, string name) = 0;
+ /** Resource close hook. */
+ virtual void close(struct sr_resource *res) = 0;
+ /** Resource read hook. */
+ virtual size_t read(const struct sr_resource *res, void *buf, size_t count) = 0;
+
+ static SR_PRIV int open_callback(struct sr_resource *res,
+ const char *name, void *cb_data);
+ static SR_PRIV int close_callback(struct sr_resource *res,
+ void *cb_data);
+ static SR_PRIV ssize_t read_callback(const struct sr_resource *res,
+ void *buf, size_t count, void *cb_data);
+ friend class Context;
+};
+
/** The global libsigrok context */
class SR_API Context : public UserOwned<Context, struct sr_context>
{
void set_log_callback(LogCallbackFunction callback);
/** Set the log callback to the default handler. */
void set_log_callback_default();
+ /** Install a delegate for reading resource files.
+ * @param reader The resource reader delegate, or nullptr to unset. */
+ void set_resource_reader(ResourceReader *reader);
/** Create a new session. */
shared_ptr<Session> create_session();
/** Create a new user device. */
shared_ptr<Packet> create_logic_packet(
void *data_pointer, size_t data_length, unsigned int unit_size);
/** Create an analog packet. */
- shared_ptr<Packet> create_analog_packet(
+ shared_ptr<Packet> create_analog_old_packet(
vector<shared_ptr<Channel> > channels,
float *data_pointer, unsigned int num_samples, const Quantity *mq,
const Unit *unit, vector<const QuantityFlag *> mqflags);
friend class Channel;
friend class ChannelGroup;
friend class Output;
- friend class Analog;
+ friend class AnalogOld;
};
/** A real hardware device, connected via a driver */
friend class TriggerStage;
};
+/** Type of session stopped callback */
+typedef function<void()> SessionStoppedCallback;
+
/** Type of datafeed callback */
typedef function<void(shared_ptr<Device>, shared_ptr<Packet>)>
DatafeedCallbackFunction;
friend class Session;
};
-/** Type of source callback */
-typedef function<bool(Glib::IOCondition)>
- SourceCallbackFunction;
-
-/* Data required for C callback function to call a C++ source callback */
-class SR_PRIV SourceCallbackData
-{
-public:
- bool run(int revents);
-protected:
- SourceCallbackData(shared_ptr<EventSource> source);
- shared_ptr<EventSource> _source;
- friend class Session;
-};
-
-/** An I/O event source */
-class SR_API EventSource
-{
-public:
- /** Create an event source from a file descriptor.
- * @param fd File descriptor.
- * @param events GLib IOCondition event mask.
- * @param timeout Timeout in milliseconds.
- * @param callback Callback of the form callback(events) */
- static shared_ptr<EventSource> create(int fd, Glib::IOCondition events,
- int timeout, SourceCallbackFunction callback);
- /** Create an event source from a GLib PollFD
- * @param pollfd GLib PollFD
- * @param timeout Timeout in milliseconds.
- * @param callback Callback of the form callback(events) */
- static shared_ptr<EventSource> create(Glib::PollFD pollfd, int timeout,
- SourceCallbackFunction callback);
- /** Create an event source from a GLib IOChannel
- * @param channel GLib IOChannel.
- * @param events GLib IOCondition event mask.
- * @param timeout Timeout in milliseconds.
- * @param callback Callback of the form callback(events) */
- static shared_ptr<EventSource> create(
- Glib::RefPtr<Glib::IOChannel> channel, Glib::IOCondition events,
- int timeout, SourceCallbackFunction callback);
-protected:
- EventSource(int timeout, SourceCallbackFunction callback);
- ~EventSource();
- enum source_type {
- SOURCE_FD,
- SOURCE_POLLFD,
- SOURCE_IOCHANNEL
- } _type;
- int _fd;
- Glib::PollFD _pollfd;
- Glib::RefPtr<Glib::IOChannel> _channel;
- Glib::IOCondition _events;
- int _timeout;
- SourceCallbackFunction _callback;
- /** Deleter needed to allow shared_ptr use with protected destructor. */
- class Deleter
- {
- public:
- void operator()(EventSource *source) { delete source; }
- };
- friend class Deleter;
- friend class Session;
- friend class SourceCallbackData;
-};
-
/** A virtual device associated with a stored session */
class SR_API SessionDevice :
public ParentOwned<SessionDevice, Session, struct sr_dev_inst>,
void add_datafeed_callback(DatafeedCallbackFunction callback);
/** Remove all datafeed callbacks from this session. */
void remove_datafeed_callbacks();
- /** Add an I/O event source.
- * @param source EventSource to add. */
- void add_source(shared_ptr<EventSource> source);
- /** Remove an event source.
- * @param source EventSource to remove. */
- void remove_source(shared_ptr<EventSource> source);
/** Start the session. */
void start();
/** Run the session event loop. */
void run();
/** Stop the session. */
void stop();
- /** Begin saving session to a file.
- * @param filename File name string. */
- void begin_save(string filename);
+ /** Return whether the session is running. */
+ bool is_running() const;
+ /** Set callback to be invoked on session stop. */
+ void set_stopped_callback(SessionStoppedCallback callback);
/** Get current trigger setting. */
shared_ptr<Trigger> trigger();
/** Get the context. */
map<const struct sr_dev_inst *, SessionDevice *> _owned_devices;
map<const struct sr_dev_inst *, shared_ptr<Device> > _other_devices;
vector<DatafeedCallbackData *> _datafeed_callbacks;
- map<shared_ptr<EventSource>, SourceCallbackData *> _source_callbacks;
+ SessionStoppedCallback _stopped_callback;
string _filename;
shared_ptr<Trigger> _trigger;
friend class Deleter;
friend class Header;
friend class Meta;
friend class Logic;
- friend class Analog;
+ friend class AnalogOld;
friend class Context;
};
};
/** Payload of a datafeed packet with analog data */
-class SR_API Analog :
- public ParentOwned<Analog, Packet, const struct sr_datafeed_analog>,
+class SR_API AnalogOld :
+ public ParentOwned<AnalogOld, Packet, const struct sr_datafeed_analog_old>,
public PacketPayload
{
public:
/** Measurement flags associated with the samples in this packet. */
vector<const QuantityFlag *> mq_flags();
protected:
- Analog(const struct sr_datafeed_analog *structure);
- ~Analog();
+ AnalogOld(const struct sr_datafeed_analog_old *structure);
+ ~AnalogOld();
shared_ptr<PacketPayload> get_shared_pointer(Packet *parent);
friend class Packet;
};
projects / libsigrok.git / blobdiff