/* Portability fixes for FreeBSD. */
#ifdef __FreeBSD__
#define LIBUSB_CLASS_APPLICATION 0xfe
+#define libusb_has_capability(x) 0
#define libusb_handle_events_timeout_completed(ctx, tv, c) \
libusb_handle_events_timeout(ctx, tv)
#endif
*/
const char *desc;
+ /**
+ * A NULL terminated array of strings containing a list of file name
+ * extensions typical for the input file format, or NULL if there is
+ * no typical extension for this file format.
+ */
+ const char *const *exts;
+
/**
* Zero-terminated list of metadata items the module needs to be able
* to identify an input stream. Can be all-zero, if the module cannot
*/
char *desc;
+ /**
+ * A NULL terminated array of strings containing a list of file name
+ * extensions typical for the input file format, or NULL if there is
+ * no typical extension for this file format.
+ */
+ const char *const *exts;
+
/**
* Returns a NULL-terminated list of options this module can take.
* Can be NULL, if the module has no options.
int (*cleanup) (struct sr_output *o);
};
+/** Transform module instance. */
+struct sr_transform {
+ /** A pointer to this transform's module. */
+ const struct sr_transform_module *module;
+
+ /**
+ * The device for which this transform module is used. This
+ * can be used by the module to find out channel names and numbers.
+ */
+ const struct sr_dev_inst *sdi;
+
+ /**
+ * A generic pointer which can be used by the module to keep internal
+ * state between calls into its callback functions.
+ */
+ void *priv;
+};
+
+struct sr_transform_module {
+ /**
+ * A unique ID for this transform module, suitable for use in
+ * command-line clients, [a-z0-9-]. Must not be NULL.
+ */
+ char *id;
+
+ /**
+ * A unique name for this transform module, suitable for use in GUI
+ * clients, can contain UTF-8. Must not be NULL.
+ */
+ const char *name;
+
+ /**
+ * A short description of the transform module. Must not be NULL.
+ *
+ * This can be displayed by frontends, e.g. when selecting
+ * which transform module(s) to add.
+ */
+ char *desc;
+
+ /**
+ * Returns a NULL-terminated list of options this transform module
+ * can take. Can be NULL, if the transform module has no options.
+ */
+ const struct sr_option *(*options) (void);
+
+ /**
+ * This function is called once, at the beginning of a stream.
+ *
+ * @param t Pointer to the respective 'struct sr_transform'.
+ * @param options Hash table of options for this transform module.
+ * Can be NULL if no options are to be used.
+ *
+ * @retval SR_OK Success
+ * @retval other Negative error code.
+ */
+ int (*init) (struct sr_transform *t, GHashTable *options);
+
+ /**
+ * This function is passed a pointer to every packet in the data feed.
+ *
+ * It can either return (in packet_out) a pointer to another packet
+ * (possibly the exact same packet it got as input), or NULL.
+ *
+ * @param t Pointer to the respective 'struct sr_transform'.
+ * @param packet_in Pointer to a datafeed packet.
+ * @param packet_out Pointer to the resulting datafeed packet after
+ * this function was run. If NULL, the transform
+ * module intentionally didn't output a new packet.
+ *
+ * @retval SR_OK Success
+ * @retval other Negative error code.
+ */
+ int (*receive) (const struct sr_transform *t,
+ struct sr_datafeed_packet *packet_in,
+ struct sr_datafeed_packet **packet_out);
+
+ /**
+ * This function is called after the caller is finished using
+ * the transform module, and can be used to free any internal
+ * resources the module may keep.
+ *
+ * @retval SR_OK Success
+ * @retval other Negative error code.
+ */
+ int (*cleanup) (struct sr_transform *t);
+};
+
#ifdef HAVE_LIBUSB_1_0
/** USB device instance */
struct sr_usb_dev_inst {
SR_CHANNEL_SET_ENABLED = 1 << 0,
};
-SR_PRIV struct sr_channel *sr_channel_new(int index, int type,
- gboolean enabled, const char *name);
+SR_PRIV struct sr_channel *sr_channel_new(struct sr_dev_inst *sdi,
+ int index, int type, gboolean enabled, const char *name);
+
+/** Device instance data */
+struct sr_dev_inst {
+ /** Device driver. */
+ struct sr_dev_driver *driver;
+ /** Device instance status. SR_ST_NOT_FOUND, etc. */
+ int status;
+ /** Device instance type. SR_INST_USB, etc. */
+ int inst_type;
+ /** Device vendor. */
+ char *vendor;
+ /** Device model. */
+ char *model;
+ /** Device version. */
+ char *version;
+ /** Serial number. */
+ char *serial_num;
+ /** Connection string to uniquely identify devices. */
+ char *connection_id;
+ /** List of channels. */
+ GSList *channels;
+ /** List of sr_channel_group structs */
+ GSList *channel_groups;
+ /** Device instance connection data (used?) */
+ void *conn;
+ /** Device instance private data (used?) */
+ void *priv;
+ /** Session to which this device is currently assigned. */
+ struct sr_session *session;
+};
/* Generic device instances */
-SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int status,
- const char *vendor, const char *model, const char *version);
SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
#ifdef HAVE_LIBUSB_1_0
/*--- session.c -------------------------------------------------------------*/
struct sr_session {
- /** List of struct sr_dev pointers. */
+ /** List of struct sr_dev_inst pointers. */
GSList *devs;
+ /** List of struct sr_dev_inst pointers owned by this session. */
+ GSList *owned_devs;
/** List of struct datafeed_callback pointers. */
GSList *datafeed_callbacks;
+ GSList *transforms;
struct sr_trigger *trigger;
GTimeVal starttime;
gboolean running;
struct sr_datafeed_packet **copy);
SR_PRIV void sr_packet_free(struct sr_datafeed_packet *packet);
+/*--- analog.c --------------------------------------------------------------*/
+
+SR_PRIV int sr_analog_init(struct sr_datafeed_analog2 *analog,
+ struct sr_analog_encoding *encoding,
+ struct sr_analog_meaning *meaning,
+ struct sr_analog_spec *spec,
+ int digits);
+
/*--- std.c -----------------------------------------------------------------*/
typedef int (*dev_close_callback)(struct sr_dev_inst *sdi);
int unitsize;
int cur_stage;
uint8_t *prev_sample;
+ uint8_t *pre_trigger_buffer;
+ uint8_t *pre_trigger_head;
+ int pre_trigger_size;
+ int pre_trigger_fill;
};
SR_PRIV struct soft_trigger_logic *soft_trigger_logic_new(
- const struct sr_dev_inst *sdi, struct sr_trigger *trigger);
+ const struct sr_dev_inst *sdi, struct sr_trigger *trigger,
+ int pre_trigger_samples);
SR_PRIV void soft_trigger_logic_free(struct soft_trigger_logic *st);
SR_PRIV int soft_trigger_logic_check(struct soft_trigger_logic *st, uint8_t *buf,
- int len);
+ int len, int *pre_trigger_samples);
/*--- hardware/serial.c -----------------------------------------------------*/
SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
+SR_PRIV int serial_drain(struct sr_serial_dev_inst *serial);
SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
const void *buf, size_t count, unsigned int timeout_ms);
SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial,
SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval,
struct sr_datafeed_analog *analog, void *info);
+/*--- hardware/dmm/ut71x.c --------------------------------------------------*/
+
+#define UT71X_PACKET_SIZE 11
+
+struct ut71x_info {
+ gboolean is_voltage, is_resistance, is_capacitance, is_temperature;
+ gboolean is_celsius, is_fahrenheit, is_current, is_continuity;
+ gboolean is_diode, is_frequency, is_duty_cycle, is_dc, is_ac;
+ gboolean is_auto, is_manual, is_sign, is_power, is_loop_current;
+};
+
+SR_PRIV gboolean sr_ut71x_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_ut71x_parse(const uint8_t *buf, float *floatval,
+ struct sr_datafeed_analog *analog, void *info);
+
+/*--- hardware/dmm/vc870.c --------------------------------------------------*/
+
+#define VC870_PACKET_SIZE 23
+
+struct vc870_info {
+ gboolean is_voltage, is_dc, is_ac, is_temperature, is_resistance;
+ gboolean is_continuity, is_capacitance, is_diode, is_loop_current;
+ gboolean is_current, is_micro, is_milli, is_power;
+ gboolean is_power_factor_freq, is_power_apparent_power, is_v_a_eff_value;
+ gboolean is_sign2, is_sign1, is_batt, is_ol1, is_max, is_min;
+ gboolean is_maxmin, is_rel, is_ol2, is_open, is_manu, is_hold;
+ gboolean is_light, is_usb, is_warning, is_auto_power, is_misplug_warn;
+ gboolean is_lo, is_hi, is_open2;
+
+ gboolean is_frequency, is_dual_display, is_auto, is_rms;
+};
+
+SR_PRIV gboolean sr_vc870_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_vc870_parse(const uint8_t *buf, float *floatval,
+ struct sr_datafeed_analog *analog, void *info);
+
/*--- hardware/lcr/es51919.c ------------------------------------------------*/
SR_PRIV void es51919_serial_clean(void *priv);
SR_PRIV int es51919_serial_acquisition_stop(struct sr_dev_inst *sdi,
void *cb_data);
+/*--- hardware/dmm/ut372.c --------------------------------------------------*/
+
+#define UT372_PACKET_SIZE 27
+
+struct ut372_info {
+ int dummy;
+};
+
+SR_PRIV gboolean sr_ut372_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
+ struct sr_datafeed_analog *analog, void *info);
+
#endif