typedef int (*sr_receive_data_callback_t)(int fd, int revents, void *cb_data);
-/** Data types used by hardware drivers for dev_config_set(). */
+/** Data types used by sr_config_info(). */
enum {
- SR_T_UINT64,
+ SR_T_UINT64 = 10000,
SR_T_CHAR,
SR_T_BOOL,
SR_T_FLOAT,
/** Value for sr_datafeed_packet.type. */
enum {
- SR_DF_HEADER,
+ SR_DF_HEADER = 10000,
SR_DF_END,
+ SR_DF_META,
SR_DF_TRIGGER,
SR_DF_LOGIC,
- SR_DF_META_LOGIC,
SR_DF_ANALOG,
- SR_DF_META_ANALOG,
SR_DF_FRAME_BEGIN,
SR_DF_FRAME_END,
};
/** Values for sr_datafeed_analog.mq. */
enum {
- SR_MQ_VOLTAGE,
+ SR_MQ_VOLTAGE = 10000,
SR_MQ_CURRENT,
SR_MQ_RESISTANCE,
SR_MQ_CAPACITANCE,
/** Logarithmic representation of sound pressure relative to a
* reference value. */
SR_MQ_SOUND_PRESSURE_LEVEL,
+ SR_MQ_CARBON_MONOXIDE,
+ SR_MQ_RELATIVE_HUMIDITY,
};
/** Values for sr_datafeed_analog.unit. */
enum {
- SR_UNIT_VOLT,
+ SR_UNIT_VOLT = 10000,
SR_UNIT_AMPERE,
SR_UNIT_OHM,
SR_UNIT_FARAD,
SR_UNIT_UNITLESS,
/** Sound pressure level relative so 20 micropascals. */
SR_UNIT_DECIBEL_SPL,
+ /**
+ * Normalized (0 to 1) concentration of a substance or compound with 0
+ * representing a concentration of 0%, and 1 being 100%. This is
+ * represented as the fraction of number of particles of the substance.
+ */
+ SR_UNIT_CONCENTRATION,
};
/** Values for sr_datafeed_analog.flags. */
/** Device is in relative mode. */
SR_MQFLAG_RELATIVE = 0x100,
/** Sound pressure level is A-weighted in the frequency domain,
- * according to IRC 61672:2003. */
+ * according to IEC 61672:2003. */
SR_MQFLAG_SPL_FREQ_WEIGHT_A = 0x200,
/** Sound pressure level is C-weighted in the frequency domain,
- * according to IRC 61672:2003. */
+ * according to IEC 61672:2003. */
SR_MQFLAG_SPL_FREQ_WEIGHT_C = 0x400,
/** Sound pressure level is Z-weighted (i.e. not at all) in the
- * frequency domain, according to IRC 61672:2003. */
+ * frequency domain, according to IEC 61672:2003. */
SR_MQFLAG_SPL_FREQ_WEIGHT_Z = 0x800,
/** Sound pressure level is not weighted in the frequency domain,
* albeit without standards-defined low and high frequency limits. */
struct sr_datafeed_packet {
uint16_t type;
- void *payload;
+ const void *payload;
};
struct sr_datafeed_header {
struct timeval starttime;
};
-struct sr_datafeed_meta_logic {
- int num_probes;
- uint64_t samplerate;
+struct sr_datafeed_meta {
+ GSList *config;
};
struct sr_datafeed_logic {
void *data;
};
-struct sr_datafeed_meta_analog {
- int num_probes;
-};
-
struct sr_datafeed_analog {
+ /** The probes for which data is included in this packet. */
+ GSList *probes;
int num_samples;
/** Measured quantity (voltage, current, temperature, and so on). */
int mq;
int unit;
/** Bitmap with extra information about the MQ. */
uint64_t mqflags;
- /** The analog value. */
+ /** The analog value(s). The data is interleaved according to
+ * the probes list. */
float *data;
};
+/** Input (file) format struct. */
struct sr_input {
+ /**
+ * A pointer to this input format's 'struct sr_input_format'.
+ * The frontend can use this to call the module's callbacks.
+ */
struct sr_input_format *format;
+
GHashTable *param;
+
struct sr_dev_inst *sdi;
+
void *internal;
};
struct sr_input_format {
+ /** The unique ID for this input format. Must not be NULL. */
char *id;
+
+ /**
+ * A short description of the input format, which can (for example)
+ * be displayed to the user by frontends. Must not be NULL.
+ */
char *description;
+
+ /**
+ * Check if this input module can load and parse the specified file.
+ *
+ * @param filename The name (and path) of the file to check.
+ *
+ * @return TRUE if this module knows the format, FALSE if it doesn't.
+ */
int (*format_match) (const char *filename);
- int (*init) (struct sr_input *in);
+
+ /**
+ * Initialize the input module.
+ *
+ * @param in A pointer to a valid 'struct sr_input' that the caller
+ * has to allocate and provide to this function. It is also
+ * the responsibility of the caller to free it later.
+ * @param filename The name (and path) of the file to use.
+ *
+ * @return SR_OK upon success, a negative error code upon failure.
+ */
+ int (*init) (struct sr_input *in, const char *filename);
+
+ /**
+ * Load a file, parsing the input according to the file's format.
+ *
+ * This function will send datafeed packets to the session bus, so
+ * the calling frontend must have registered its session callbacks
+ * beforehand.
+ *
+ * The packet types sent across the session bus by this function must
+ * include at least SR_DF_HEADER, SR_DF_END, and an appropriate data
+ * type such as SR_DF_LOGIC. It may also send a SR_DF_TRIGGER packet
+ * if appropriate.
+ *
+ * @param in A pointer to a valid 'struct sr_input' that the caller
+ * has to allocate and provide to this function. It is also
+ * the responsibility of the caller to free it later.
+ * @param filename The name (and path) of the file to use.
+ *
+ * @return SR_OK upon success, a negative error code upon failure.
+ */
int (*loadfile) (struct sr_input *in, const char *filename);
};
+/** Output (file) format struct. */
struct sr_output {
+ /**
+ * A pointer to this output format's 'struct sr_output_format'.
+ * The frontend can use this to call the module's callbacks.
+ */
struct sr_output_format *format;
+
+ /**
+ * The device for which this output module is creating output. This
+ * can be used by the module to find out probe names and numbers.
+ */
struct sr_dev_inst *sdi;
+
+ /**
+ * An optional parameter which the frontend can pass in to the
+ * output module. How the string is interpreted is entirely up to
+ * the module.
+ */
char *param;
+
+ /**
+ * A generic pointer which can be used by the module to keep internal
+ * state between calls into its callback functions.
+ *
+ * For example, the module might store a pointer to a chunk of output
+ * there, and only flush it when it reaches a certain size.
+ */
void *internal;
};
struct sr_output_format {
+ /**
+ * A unique ID for this output format. Must not be NULL.
+ *
+ * It can be used by frontends to select this output format for use.
+ *
+ * For example, calling sigrok-cli with <code>-O hex</code> will
+ * select the hexadecimal text output format.
+ */
char *id;
+
+ /**
+ * A short description of the output format. Must not be NULL.
+ *
+ * This can be displayed by frontends, e.g. when selecting the output
+ * format for saving a file.
+ */
char *description;
+
int df_type;
+
+ /**
+ * This function is called once, at the beginning of an output stream.
+ *
+ * The device struct will be available in the output struct passed in,
+ * as well as the param field -- which may be NULL or an empty string,
+ * if no parameter was passed.
+ *
+ * The module can use this to initialize itself, create a struct for
+ * keeping state and storing it in the <code>internal</code> field.
+ *
+ * @param o Pointer to the respective 'struct sr_output'.
+ *
+ * @return SR_OK upon success, a negative error code otherwise.
+ */
int (*init) (struct sr_output *o);
+
+ /**
+ * Whenever a chunk of data comes in, it will be passed to the
+ * output module via this function. The <code>data_in</code> and
+ * <code>length_in</code> values refers to this data; the module
+ * must not alter or g_free() this buffer.
+ *
+ * The function must allocate a buffer for storing its output, and
+ * pass along a pointer to this buffer in the <code>data_out</code>
+ * parameter, as well as storing the length of the buffer in
+ * <code>length_out</code>. The calling frontend will g_free()
+ * this buffer when it's done with it.
+ *
+ * IMPORTANT: The memory allocation much happen using a glib memory
+ * allocation call (not a "normal" malloc) since g_free() will be
+ * used to free the memory!
+ *
+ * If there is no output, this function MUST store NULL in the
+ * <code>data_out</code> parameter, so the caller knows not to try
+ * and g_free() it.
+ *
+ * Note: This API call is obsolete, use recv() instead.
+ *
+ * @param o Pointer to the respective 'struct sr_output'.
+ * @param data_in Pointer to the input data buffer.
+ * @param length_in Length of the input.
+ * @param data_out Pointer to the allocated output buffer.
+ * @param length_out Length (in bytes) of the output.
+ *
+ * @return SR_OK upon success, a negative error code otherwise.
+ */
int (*data) (struct sr_output *o, const uint8_t *data_in,
uint64_t length_in, uint8_t **data_out,
uint64_t *length_out);
+
+ /**
+ * This function is called when an event occurs in the datafeed
+ * which the output module may need to be aware of. No data is
+ * passed in, only the fact that the event occurs. The following
+ * events can currently be passed in:
+ *
+ * - SR_DF_TRIGGER: At this point in the datafeed, the trigger
+ * matched. The output module may mark this in some way, e.g. by
+ * plotting a red line on a graph.
+ *
+ * - SR_DF_END: This marks the end of the datafeed. No more calls
+ * into the output module will be done, so this is a good time to
+ * free up any memory used to keep state, for example.
+ *
+ * Any output generated by this function must have a reference to
+ * it stored in the <code>data_out</code> and <code>length_out</code>
+ * parameters, or NULL if no output was generated.
+ *
+ * Note: This API call is obsolete, use recv() instead.
+ *
+ * @param o Pointer to the respective 'struct sr_output'.
+ * @param event_type Type of event that occured.
+ * @param data_out Pointer to the allocated output buffer.
+ * @param length_out Length (in bytes) of the output.
+ *
+ * @return SR_OK upon success, a negative error code otherwise.
+ */
int (*event) (struct sr_output *o, int event_type, uint8_t **data_out,
uint64_t *length_out);
- GString *(*recv) (struct sr_output *o, const struct sr_dev_inst *sdi,
- struct sr_datafeed_packet *packet);
- int (*cleanup) (struct sr_output *o);
-};
-struct sr_datastore {
- /** Size in bytes of the number of units stored in this datastore. */
- int ds_unitsize;
- unsigned int num_units; /* TODO: uint64_t */
- GSList *chunklist;
-};
+ GString *(*recv) (struct sr_output *o, const struct sr_dev_inst *sdi,
+ const struct sr_datafeed_packet *packet);
-/*
- * This represents a generic device connected to the system.
- * For device-specific information, ask the driver. The driver_index refers
- * to the device index within that driver; it may be handling more than one
- * device. All relevant driver calls take a dev_index parameter for this.
- */
-struct sr_dev {
- /** Which driver handles this device. */
- struct sr_dev_driver *driver;
- /** A driver may handle multiple devices of the same type. */
- int driver_index;
- /** List of struct sr_probe pointers. */
- GSList *probes;
- /** Data acquired by this device, if any. */
- struct sr_datastore *datastore;
+ int (*cleanup) (struct sr_output *o);
};
enum {
- SR_PROBE_LOGIC,
+ SR_PROBE_LOGIC = 10000,
SR_PROBE_ANALOG,
};
struct sr_probe {
+ /* The index field will go: use g_slist_length(sdi->probes) instead. */
int index;
int type;
gboolean enabled;
char *trigger;
};
-struct sr_hwopt {
- int hwopt;
+struct sr_config {
+ int key;
const void *value;
};
-/** Hardware driver options. */
+struct sr_config_info {
+ int key;
+ int datatype;
+ char *id;
+ char *name;
+ char *description;
+};
+
enum {
- /** Used to terminate lists. */
- SR_HWOPT_DUMMY = 0, /* Must be 0! */
+ /*--- Device classes ------------------------------------------------*/
- /**
- * Some drivers cannot detect the exact model they're talking to
- * (may be phased out).
- */
- SR_HWOPT_MODEL,
+ /** The device can act as logic analyzer. */
+ SR_CONF_LOGIC_ANALYZER = 10000,
+
+ /** The device can act as an oscilloscope. */
+ SR_CONF_OSCILLOSCOPE,
+
+ /** The device can act as a multimeter. */
+ SR_CONF_MULTIMETER,
+
+ /** The device is a demo device. */
+ SR_CONF_DEMO_DEV,
+
+ /** The device can act as a sound level meter. */
+ SR_CONF_SOUNDLEVELMETER,
+
+ /** The device can measure temperature. */
+ SR_CONF_THERMOMETER,
+
+ /** The device can measure humidity. */
+ SR_CONF_HYGROMETER,
+
+ /*--- Driver scan options -------------------------------------------*/
/**
* Specification on how to connect to a device.
*
- * In combination with SR_HWOPT_SERIALCOMM, this is a serial port in
+ * In combination with SR_CONF_SERIALCOMM, this is a serial port in
* the form which makes sense to the OS (e.g., /dev/ttyS0).
* Otherwise this specifies a USB device, either in the form of
* @verbatim <bus>.<address> @endverbatim (decimal, e.g. 1.65) or
* @verbatim <vendorid>.<productid> @endverbatim
* (hexadecimal, e.g. 1d6b.0001).
*/
- SR_HWOPT_CONN,
+ SR_CONF_CONN = 20000,
/**
* Serial communication specification, in the form:
*
* Example: 9600/8n1
*
+ * The string may also be followed by one or more special settings,
+ * in the form "/key=value". Supported keys and their values are:
+ *
+ * rts 0,1 set the port's RTS pin to low or high
+ * dtr 0,1 set the port's DTR pin to low or high
+ * flow 0 no flow control
+ * 1 hardware-based (RTS/CTS) flow control
+ * 2 software-based (XON/XOFF) flow control
+ *
* This is always an optional parameter, since a driver typically
* knows the speed at which the device wants to communicate.
*/
- SR_HWOPT_SERIALCOMM,
-};
-
-/** Hardware device capabilities. */
-enum {
- /** Used to terminate lists. */
- SR_HWCAP_DUMMY = 0, /* Must be 0! */
-
- /*--- Device classes ------------------------------------------------*/
-
- /** The device can act as logic analyzer. */
- SR_HWCAP_LOGIC_ANALYZER,
-
- /** The device can act as an oscilloscope. */
- SR_HWCAP_OSCILLOSCOPE,
-
- /** The device can act as a multimeter. */
- SR_HWCAP_MULTIMETER,
-
- /** The device is a demo device. */
- SR_HWCAP_DEMO_DEV,
-
- /** The device can act as a sound level meter. */
- SR_HWCAP_SOUNDLEVELMETER,
+ SR_CONF_SERIALCOMM,
/*--- Device configuration ------------------------------------------*/
/** The device supports setting/changing its samplerate. */
- SR_HWCAP_SAMPLERATE,
+ SR_CONF_SAMPLERATE = 30000,
/** The device supports setting a pre/post-trigger capture ratio. */
- SR_HWCAP_CAPTURE_RATIO,
+ SR_CONF_CAPTURE_RATIO,
- /* TODO? */
/** The device supports setting a pattern (pattern generator mode). */
- SR_HWCAP_PATTERN_MODE,
+ SR_CONF_PATTERN_MODE,
/** The device supports Run Length Encoding. */
- SR_HWCAP_RLE,
+ SR_CONF_RLE,
/** The device supports setting trigger slope. */
- SR_HWCAP_TRIGGER_SLOPE,
+ SR_CONF_TRIGGER_SLOPE,
/** Trigger source. */
- SR_HWCAP_TRIGGER_SOURCE,
+ SR_CONF_TRIGGER_SOURCE,
/** Horizontal trigger position. */
- SR_HWCAP_HORIZ_TRIGGERPOS,
+ SR_CONF_HORIZ_TRIGGERPOS,
/** Buffer size. */
- SR_HWCAP_BUFFERSIZE,
+ SR_CONF_BUFFERSIZE,
/** Time base. */
- SR_HWCAP_TIMEBASE,
+ SR_CONF_TIMEBASE,
/** Filter. */
- SR_HWCAP_FILTER,
+ SR_CONF_FILTER,
/** Volts/div. */
- SR_HWCAP_VDIV,
+ SR_CONF_VDIV,
/** Coupling. */
- SR_HWCAP_COUPLING,
+ SR_CONF_COUPLING,
+ /** Trigger types. */
+ SR_CONF_TRIGGER_TYPE,
/*--- Special stuff -------------------------------------------------*/
+ /** Scan options supported by the driver. */
+ SR_CONF_SCAN_OPTIONS = 40000,
+
+ /** Device options for a particular device. */
+ SR_CONF_DEVICE_OPTIONS,
+
/** Session filename. */
- SR_HWCAP_SESSIONFILE,
+ SR_CONF_SESSIONFILE,
- /* TODO: Better description. */
/** The device supports specifying a capturefile to inject. */
- SR_HWCAP_CAPTUREFILE,
+ SR_CONF_CAPTUREFILE,
- /* TODO: Better description. */
/** The device supports specifying the capturefile unit size. */
- SR_HWCAP_CAPTURE_UNITSIZE,
+ SR_CONF_CAPTURE_UNITSIZE,
- /* TODO: Better description. */
/** The device supports setting the number of probes. */
- SR_HWCAP_CAPTURE_NUM_PROBES,
-
+ SR_CONF_CAPTURE_NUM_PROBES,
/*--- Acquisition modes ---------------------------------------------*/
* The device supports setting a sample time limit (how long
* the sample acquisition should run, in ms).
*/
- SR_HWCAP_LIMIT_MSEC,
+ SR_CONF_LIMIT_MSEC = 50000,
/**
* The device supports setting a sample number limit (how many
* samples should be acquired).
*/
- SR_HWCAP_LIMIT_SAMPLES,
+ SR_CONF_LIMIT_SAMPLES,
/**
* The device supports setting a frame limit (how many
* frames should be acquired).
*/
- SR_HWCAP_LIMIT_FRAMES,
+ SR_CONF_LIMIT_FRAMES,
/**
* The device supports continuous sampling. Neither a time limit
* nor a sample number limit has to be supplied, it will just acquire
* samples continuously, until explicitly stopped by a certain command.
*/
- SR_HWCAP_CONTINUOUS,
-
-};
-
-struct sr_hwcap_option {
- int hwcap;
- int type;
- char *description;
- char *shortname;
+ SR_CONF_CONTINUOUS,
};
struct sr_dev_inst {
/** Types of device instances (sr_dev_inst). */
enum {
/** Device instance type for USB devices. */
- SR_INST_USB,
+ SR_INST_USB = 10000,
/** Device instance type for serial port devices. */
SR_INST_SERIAL,
};
/** Device instance status. */
enum {
/** The device instance was not found. */
- SR_ST_NOT_FOUND,
+ SR_ST_NOT_FOUND = 10000,
/** The device instance was found, but is still booting. */
SR_ST_INITIALIZING,
/** The device instance is live, but not in use. */
SR_ST_INACTIVE,
/** The device instance is actively in use in a session. */
SR_ST_ACTIVE,
-};
-
-/*
- * TODO: This sucks, you just kinda have to "know" the returned type.
- * TODO: Need a DI to return the number of trigger stages supported.
- */
-
-/** Device info IDs. */
-enum {
- /** A list of options supported by the driver. */
- SR_DI_HWOPTS,
- /** A list of capabilities supported by the device. */
- SR_DI_HWCAPS,
- /** The number of probes connected to this device. */
- SR_DI_NUM_PROBES,
- /** The probe names on this device. */
- SR_DI_PROBE_NAMES,
- /** Samplerates supported by this device (struct sr_samplerates). */
- SR_DI_SAMPLERATES,
- /** Types of logic trigger supported, out of "01crf" (char *). */
- SR_DI_TRIGGER_TYPES,
- /** The currently set samplerate in Hz (uint64_t). */
- SR_DI_CUR_SAMPLERATE,
- /** Supported patterns (in pattern generator mode). */
- SR_DI_PATTERNS,
- /** Supported buffer sizes. */
- SR_DI_BUFFERSIZES,
- /** Supported time bases. */
- SR_DI_TIMEBASES,
- /** Supported trigger sources. */
- SR_DI_TRIGGER_SOURCES,
- /** Supported filter targets. */
- SR_DI_FILTERS,
- /** Valid volts/div values. */
- SR_DI_VDIVS,
- /** Coupling options. */
- SR_DI_COUPLING,
+ /** The device is winding down its session. */
+ SR_ST_STOPPING,
};
/*
char *name;
char *longname;
int api_version;
- int (*init) (void);
+ int (*init) (struct sr_context *sr_ctx);
int (*cleanup) (void);
GSList *(*scan) (GSList *options);
GSList *(*dev_list) (void);
int (*dev_clear) (void);
+ int (*config_get) (int id, const void **value,
+ const struct sr_dev_inst *sdi);
+ int (*config_set) (int id, const void *value,
+ const struct sr_dev_inst *sdi);
+ int (*config_list) (int info_id, const void **data,
+ const struct sr_dev_inst *sdi);
/* Device-specific */
int (*dev_open) (struct sr_dev_inst *sdi);
int (*dev_close) (struct sr_dev_inst *sdi);
- int (*info_get) (int info_id, const void **data,
- const struct sr_dev_inst *sdi);
- int (*dev_config_set) (const struct sr_dev_inst *sdi, int hwcap,
- const void *value);
int (*dev_acquisition_start) (const struct sr_dev_inst *sdi,
void *cb_data);
- int (*dev_acquisition_stop) (const struct sr_dev_inst *sdi,
+ int (*dev_acquisition_stop) (struct sr_dev_inst *sdi,
void *cb_data);
/* Dynamic */
projects / libsigrok.git / blobdiff