((unsigned)((const uint8_t*)(x))[1] << 8) | \
(unsigned)((const uint8_t*)(x))[0]))
+/**
+ * Read a 32 bits big endian float out of memory.
+ * @param x a pointer to the input memory
+ * @return the corresponding float
+ */
+#define RBFL(x) ((union { uint32_t u; float f; }) { .u = RB32(x) }.f)
+
+/**
+ * Read a 32 bits little endian float out of memory.
+ * @param x a pointer to the input memory
+ * @return the corresponding float
+ */
+#define RLFL(x) ((union { uint32_t u; float f; }) { .u = RL32(x) }.f)
+
/**
* Write a 8 bits unsigned integer to memory.
* @param p a pointer to the output memory
* @param x the input unsigned integer
*/
-#define W8(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); } while(0)
+#define W8(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); } while (0)
/**
* Write a 16 bits unsigned integer to memory stored as big endian.
* @param x the input unsigned integer
*/
#define WB16(p, x) do { ((uint8_t*)(p))[1] = (uint8_t) (x); \
- ((uint8_t*)(p))[0] = (uint8_t)((x)>>8); } while(0)
+ ((uint8_t*)(p))[0] = (uint8_t)((x)>>8); } while (0)
/**
* Write a 16 bits unsigned integer to memory stored as little endian.
* @param x the input unsigned integer
*/
#define WL16(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
- ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); } while(0)
+ ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); } while (0)
/**
* Write a 32 bits unsigned integer to memory stored as big endian.
#define WB32(p, x) do { ((uint8_t*)(p))[3] = (uint8_t) (x); \
((uint8_t*)(p))[2] = (uint8_t)((x)>>8); \
((uint8_t*)(p))[1] = (uint8_t)((x)>>16); \
- ((uint8_t*)(p))[0] = (uint8_t)((x)>>24); } while(0)
+ ((uint8_t*)(p))[0] = (uint8_t)((x)>>24); } while (0)
/**
* Write a 32 bits unsigned integer to memory stored as little endian.
#define WL32(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
((uint8_t*)(p))[1] = (uint8_t)((x)>>8); \
((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \
- ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while(0)
+ ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while (0)
+
+/**
+ * Write a 32 bits float to memory stored as big endian.
+ * @param p a pointer to the output memory
+ * @param x the input float
+ */
+#define WBFL(p, x) WB32(p, (union { uint32_t u; float f; }) { .f = x }.u)
+
+/**
+ * Write a 32 bits float to memory stored as little endian.
+ * @param p a pointer to the output memory
+ * @param x the input float
+ */
+#define WLFL(p, x) WL32(p, (union { uint32_t u; float f; }) { .f = x }.u)
/* 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
#endif
struct sr_context {
+ struct sr_dev_driver **driver_list;
#ifdef HAVE_LIBUSB_1_0
libusb_context *libusb_ctx;
gboolean usb_source_present;
#ifdef _WIN32
GThread *usb_thread;
gboolean usb_thread_running;
- GMutex usb_mutex;
- HANDLE usb_event;
+ HANDLE usb_wait_request_event;
+ HANDLE usb_wait_complete_event;
GPollFD usb_pollfd;
sr_receive_data_callback usb_cb;
void *usb_cb_data;
*/
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
*/
const struct sr_dev_inst *sdi;
+ /**
+ * The name of the file that the data should be written to.
+ */
+ const char *filename;
+
/**
* A generic pointer which can be used by the module to keep internal
* state between calls into its callback functions.
*/
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 (*init) (struct sr_output *o, GHashTable *options);
/**
- * This function is passed a copy of every packed in the data feed.
+ * This function is passed a copy of every packet in the data feed.
* Any output generated by the output module in response to the
* packet should be returned in a newly allocated GString
* <code>out</code>, which will be freed by the caller.
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 {
/*--- hwdriver.c ------------------------------------------------------------*/
+extern SR_PRIV struct sr_dev_driver **drivers_lists[];
+
SR_PRIV const GVariantType *sr_variant_type_get(int datatype);
SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *data);
-SR_PRIV void sr_hw_cleanup_all(void);
+SR_PRIV void sr_hw_cleanup_all(const struct sr_context *ctx);
SR_PRIV struct sr_config *sr_config_new(uint32_t key, GVariant *data);
SR_PRIV void sr_config_free(struct sr_config *src);
SR_PRIV int sr_source_remove(int fd);
/*--- session.c -------------------------------------------------------------*/
struct sr_session {
+ /** Context this session exists in. */
+ struct sr_context *ctx;
/** 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_scpi_hw_info **scpi_response);
SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);
+/*--- modbus/modbus.c -------------------------------------------------------*/
+
+struct sr_modbus_dev_inst {
+ const char *name;
+ const char *prefix;
+ int priv_size;
+ GSList *(*scan)(int modbusaddr);
+ int (*dev_inst_new)(void *priv, const char *resource,
+ char **params, const char *serialcomm, int modbusaddr);
+ int (*open)(void *priv);
+ int (*source_add)(struct sr_session *session, void *priv, int events,
+ int timeout, sr_receive_data_callback cb, void *cb_data);
+ int (*source_remove)(struct sr_session *session, void *priv);
+ int (*send)(void *priv, const uint8_t *buffer, int buffer_size);
+ int (*read_begin)(void *priv, uint8_t *function_code);
+ int (*read_data)(void *priv, uint8_t *buf, int maxlen);
+ int (*read_end)(void *priv);
+ int (*close)(void *priv);
+ void (*free)(void *priv);
+ unsigned int read_timeout_ms;
+ void *priv;
+};
+
+SR_PRIV GSList *sr_modbus_scan(struct drv_context *drvc, GSList *options,
+ struct sr_dev_inst *(*probe_device)(struct sr_modbus_dev_inst *modbus));
+SR_PRIV struct sr_modbus_dev_inst *modbus_dev_inst_new(const char *resource,
+ const char *serialcomm, int modbusaddr);
+SR_PRIV int sr_modbus_open(struct sr_modbus_dev_inst *modbus);
+SR_PRIV int sr_modbus_source_add(struct sr_session *session,
+ struct sr_modbus_dev_inst *modbus, int events, int timeout,
+ sr_receive_data_callback cb, void *cb_data);
+SR_PRIV int sr_modbus_source_remove(struct sr_session *session,
+ struct sr_modbus_dev_inst *modbus);
+SR_PRIV int sr_modbus_request(struct sr_modbus_dev_inst *modbus,
+ uint8_t *request, int request_size);
+SR_PRIV int sr_modbus_reply(struct sr_modbus_dev_inst *modbus,
+ uint8_t *reply, int reply_size);
+SR_PRIV int sr_modbus_request_reply(struct sr_modbus_dev_inst *modbus,
+ uint8_t *request, int request_size,
+ uint8_t *reply, int reply_size);
+SR_PRIV int sr_modbus_read_coils(struct sr_modbus_dev_inst *modbus,
+ int address, int nb_coils, uint8_t *coils);
+SR_PRIV int sr_modbus_read_holding_registers(struct sr_modbus_dev_inst *modbus,
+ int address, int nb_registers,
+ uint16_t *registers);
+SR_PRIV int sr_modbus_write_coil(struct sr_modbus_dev_inst *modbus,
+ int address, int value);
+SR_PRIV int sr_modbus_write_multiple_registers(struct sr_modbus_dev_inst*modbus,
+ int address, int nb_registers,
+ uint16_t *registers);
+SR_PRIV int sr_modbus_close(struct sr_modbus_dev_inst *modbus);
+SR_PRIV void sr_modbus_free(struct sr_modbus_dev_inst *modbus);
+
/*--- hardware/dmm/es519xx.c ------------------------------------------------*/
/**
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