#define LOG_PREFIX "siglent-sds"
+/* Size of acquisition buffers */
+//#define ACQ_BUFFER_SIZE (6000000)
+#define ACQ_BUFFER_SIZE (18000000)
+
+#define SIGLENT_HEADER_SIZE 363
+#define SIGLENT_DIG_HEADER_SIZE 346
+
+/* Maximum number of samples to retrieve at once. */
+#define ACQ_BLOCK_SIZE (30 * 1000)
+
+#define MAX_ANALOG_CHANNELS 4
+#define MAX_DIGITAL_CHANNELS 16
+
+#define DEVICE_STATE_STOPPED 0 /* Scope is in stopped state bit */
+#define DEVICE_STATE_DATA_ACQ 1 /* A new signal has been acquired bit */
+#define DEVICE_STATE_TRIG_RDY 8192 /* Trigger is ready bit */
+#define DEVICE_STATE_DATA_TRIG_RDY 8193 /* Trigger is ready bit */
+
+enum protocol_version {
+ SPO_MODEL,
+ NON_SPO_MODEL,
+ ESERIES,
+};
+
+enum data_source {
+ DATA_SOURCE_SCREEN,
+ DATA_SOURCE_HISTORY,
+};
+
+struct siglent_sds_vendor {
+ const char *name;
+ const char *full_name;
+};
+
+struct siglent_sds_series {
+ const struct siglent_sds_vendor *vendor;
+ const char *name;
+ enum protocol_version protocol;
+ uint64_t max_timebase[2];
+ uint64_t min_vdiv[2];
+ int num_horizontal_divs;
+ int num_vertical_divs;
+ int buffer_samples;
+};
+
+struct siglent_sds_model {
+ const struct siglent_sds_series *series;
+ const char *name;
+ uint64_t min_timebase[2];
+ unsigned int analog_channels;
+ gboolean has_digital;
+ unsigned int digital_channels;
+};
+
+enum wait_events {
+ WAIT_NONE, /* Don't wait */
+ WAIT_TRIGGER, /* Wait for trigger */
+ WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */
+ WAIT_STOP, /* Wait for scope stopping (only single shots) */
+};
+
struct dev_context {
+ /* Device model */
+ const struct siglent_sds_model *model;
+
+ /* Device properties */
+ const uint64_t (*timebases)[2];
+ uint64_t num_timebases;
+ const uint64_t (*vdivs)[2];
+ uint64_t num_vdivs;
+
+ /* Channel groups */
+ struct sr_channel_group **analog_groups;
+ struct sr_channel_group *digital_group;
+
+ /* Acquisition settings */
+ GSList *enabled_channels;
+ uint64_t limit_frames;
+ uint64_t average_samples;
+ gboolean average_enabled;
+ enum data_source data_source;
+ uint64_t analog_frame_size;
+ uint64_t digital_frame_size;
+ uint64_t num_samples;
+ uint64_t memory_depth_analog;
+ uint64_t memory_depth_digital;
+ long block_header_size;
+ float samplerate;
+
+ /* Device settings */
+ gboolean analog_channels[MAX_ANALOG_CHANNELS];
+ gboolean digital_channels[MAX_DIGITAL_CHANNELS];
+ gboolean la_enabled;
+ float timebase;
+ float attenuation[MAX_ANALOG_CHANNELS];
+ float vdiv[MAX_ANALOG_CHANNELS];
+ int vert_reference[MAX_ANALOG_CHANNELS];
+ float vert_offset[MAX_ANALOG_CHANNELS];
+ char *trigger_source;
+ float horiz_triggerpos;
+ char *trigger_slope;
+ float trigger_level;
+ char *coupling[MAX_ANALOG_CHANNELS];
+
+ /* Operational state */
+
+ /* Number of frames received in total. */
+ uint64_t num_frames;
+ /* GSList entry for the current channel. */
+ GSList *channel_entry;
+ /* Number of bytes received for current channel. */
+ uint64_t num_channel_bytes;
+ /* Number of bytes of block header read. */
+ uint64_t num_header_bytes;
+ /* Number of data blocks bytes already read. */
+ uint64_t num_block_bytes;
+ /* Number of data blocks read. */
+ int num_block_read;
+ /* What to wait for in *_receive. */
+ enum wait_events wait_event;
+ /* Trigger/block copying/stop waiting status. */
+ int wait_status;
+ /* Acq buffers used for reading from the scope and sending data to app. */
+ unsigned char *buffer;
+ float *data;
+ GArray *dig_buffer;
};
-SR_PRIV int siglent_sds_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int siglent_sds_config_set(const struct sr_dev_inst *sdi,
+ const char *format, ...);
+SR_PRIV int siglent_sds_capture_start(const struct sr_dev_inst *sdi);
+SR_PRIV int siglent_sds_channel_start(const struct sr_dev_inst *sdi);
+SR_PRIV int siglent_sds_receive(int fd, int revents, void *cb_data);
+SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi);
+SR_PRIV int siglent_sds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi);
+SR_PRIV int siglent_sds_get_dev_cfg_horizontal(const struct sr_dev_inst *sdi);
#endif