cem-dt-885x: Support for turning data logging on/off

[libsigrok.git] / hardware / cem-dt-885x / protocol.h

diff --git a/hardware/cem-dt-885x/protocol.h b/hardware/cem-dt-885x/protocol.h
index fa96d163fdfb0f21aa49395885c8b1e507df6287..e5030f72e357d1a90537761b4bb56bd9028a8c36 100644 (file)
--- a/hardware/cem-dt-885x/protocol.h
+++ b/hardware/cem-dt-885x/protocol.h
@@ -66,15 +66,22 @@ enum {
        TOKEN_MEAS_RANGE_80_130 = 0x4c,
 };
 
+enum {
+       CMD_TOGGLE_RECORDING = 0x55,
+};
+
 /** Private, per-device-instance driver context. */
 struct dev_context {
+       /* Device state */
+       uint64_t cur_mqflags;
+       int recording;
+
        /* Acquisition settings */
        uint64_t limit_samples;
 
        /* Operational state */
        int state;
        uint64_t num_samples;
-       uint64_t cur_mqflags;
 
        /* Temporary state across callbacks */
        void *cb_data;
@@ -84,7 +91,6 @@ struct dev_context {
        unsigned char buf[BUF_SIZE];
        float last_spl;
        gint64 hold_last_sent;
-
 };
 
 /* Parser state machine. */
@@ -96,5 +102,7 @@ enum {
 };
 
 SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int cem_dt_885x_recording_set(const struct sr_dev_inst *sdi, gboolean start);
+SR_PRIV gboolean cem_dt_885x_recording_get(const struct sr_dev_inst *sdi);
 
 #endif