rigol-ds1xx2: First working version.

[libsigrok.git] / hardware / rigol-ds1xx2 / protocol.h

diff --git a/hardware/rigol-ds1xx2/protocol.h b/hardware/rigol-ds1xx2/protocol.h
index 0a5f14c309201624094fc819c32829fd5295ff85..547dfc467854dbe74401152da0b66402e14c2eb3 100644 (file)
--- a/hardware/rigol-ds1xx2/protocol.h
+++ b/hardware/rigol-ds1xx2/protocol.h
@@ -33,8 +33,13 @@
 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
 
+#define WAVEFORM_SIZE 600
+
 /** Private, per-device-instance driver context. */
 struct dev_context {
+       /** The current frame limit */
+       uint64_t limit_frames;
+
        /** The current sampling limit (in number of samples). */
        uint64_t limit_samples;
 
@@ -44,10 +49,24 @@ struct dev_context {
        /** Opaque pointer passed in by the frontend. */
        void *cb_data;
 
+       /** The current number of already received frames. */
+       uint64_t num_frames;
+
        /** The current number of already received samples. */
        uint64_t num_samples;
+
+       /** Current scale setting. */
+       float scale;
+
+       /** Current offset setting. */
+       float offset;
+
+       /** USBTMC character device file descriptor. */
+       int fd;
 };
 
 SR_PRIV int rigol_ds1xx2_receive_data(int fd, int revents, void *cb_data);
 
+SR_PRIV int rigol_ds1xx2_send_data(int fd, const char *format, ...);
+
 #endif