rigol-ds: Support 4 analog channels.

[libsigrok.git] / hardware / rigol-ds / protocol.h

diff --git a/hardware/rigol-ds/protocol.h b/hardware/rigol-ds/protocol.h
index 1c658ec64207b2bf415d9cd66fefdcc42253eb08..f0bf04f2e36723c72bac7d4b5dbfad0c991d483a 100644 (file)
--- a/hardware/rigol-ds/protocol.h
+++ b/hardware/rigol-ds/protocol.h
@@ -39,6 +39,9 @@
 /* Size of acquisition buffers */
 #define ACQ_BUFFER_SIZE 32768
 
+#define MAX_ANALOG_PROBES 4
+#define MAX_DIGITAL_PROBES 16
+
 enum rigol_ds_series {
        RIGOL_DS1000,
        RIGOL_DS1000Z,
@@ -70,6 +73,7 @@ struct rigol_ds_model {
        uint64_t min_timebase[2];
        uint64_t max_timebase[2];
        uint64_t min_vdiv[2];
+       unsigned int analog_channels;
        bool has_digital;
        int num_horizontal_divs;
 };
@@ -93,7 +97,7 @@ struct dev_context {
        uint64_t num_vdivs;
 
        /* Probe groups */
-       struct sr_probe_group analog_groups[2];
+       struct sr_probe_group analog_groups[MAX_ANALOG_PROBES];
        struct sr_probe_group digital_group;
 
        /* Acquisition settings */
@@ -105,23 +109,23 @@ struct dev_context {
        uint64_t analog_frame_size;
 
        /* Device settings */
-       gboolean analog_channels[2];
-       gboolean digital_channels[16];
+       gboolean analog_channels[MAX_ANALOG_PROBES];
+       gboolean digital_channels[MAX_DIGITAL_PROBES];
        float timebase;
-       float vdiv[2];
-       int vert_reference[2];
-       float vert_offset[2];
+       float vdiv[MAX_ANALOG_PROBES];
+       int vert_reference[MAX_ANALOG_PROBES];
+       float vert_offset[MAX_ANALOG_PROBES];
        char *trigger_source;
        float horiz_triggerpos;
        char *trigger_slope;
-       char *coupling[2];
+       char *coupling[MAX_ANALOG_PROBES];
 
        /* Operational state */
 
        /* Number of frames received in total. */
        uint64_t num_frames;
-       /* The channel we are currently receiving data for. */
-       struct sr_probe *channel;
+       /* GSList entry for the current channel. */
+       GSList *channel_entry;
        /* Number of samples received in current frame. */
        uint64_t num_frame_samples;
        /* Number of bytes in current data block, if 0 block header expected */