+ /* Device settings */
+ gboolean analog_channels[2];
+ gboolean digital_channels[16];
+ float timebase;
+ float vdiv[2];
+ float vert_offset[2];
+ char *trigger_source;
+ float horiz_triggerpos;
+ char *trigger_slope;
+ char *coupling[2];
+
+ /* Operational state */
+ char *device;
+ int fd;
+ uint64_t num_frames;
+ uint64_t num_frame_bytes;
+ struct sr_probe *channel_frame;