X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fyokogawa-dlm%2Fprotocol.h;h=0950267a3a0065a90df5cb7806bb829e066553a1;hb=db560903d196c39bceeaa543317fa602a02b51ac;hp=54b087cdccc8d7104a129cb25496084cd37d7ceb;hpb=8ab929d614262dc446ee2e948ca583d31110b14b;p=libsigrok.git

diff --git a/src/hardware/yokogawa-dlm/protocol.h b/src/hardware/yokogawa-dlm/protocol.h
index 54b087cd..0950267a 100644
--- a/src/hardware/yokogawa-dlm/protocol.h
+++ b/src/hardware/yokogawa-dlm/protocol.h
@@ -33,6 +33,8 @@
 #define LOG_PREFIX "yokogawa-dlm"
 #define MAX_INSTRUMENT_VERSIONS 4
 
+#define RECEIVE_BUFFER_SIZE (4096)
+
 /* See Communication Interface User's Manual on p. 268 (:WAVeform:ALL:SEND?). */
 #define DLM_MAX_FRAME_LENGTH (12500)
 /* See Communication Interface User's Manual on p. 269 (:WAVeform:SEND?). */
@@ -77,8 +79,6 @@ struct scope_config {
 
 	const uint8_t num_xdivs;
 	const uint8_t num_ydivs;
-
-	const char *(*scpi_dialect)[];
 };
 
 struct analog_channel_state {
@@ -101,6 +101,7 @@ struct scope_state {
 	int trigger_source;
 	int trigger_slope;
 	uint64_t sample_rate;
+	uint32_t samples_per_frame;
 };
 
 /** Private, per-device-instance driver context. */
@@ -116,6 +117,9 @@ struct dev_context {
 	uint64_t num_frames;
 
 	uint64_t frame_limit;
+
+	char receive_buffer[RECEIVE_BUFFER_SIZE];
+	gboolean data_pending;
 };
 
 /*--- api.c -----------------------------------------------------------------*/
@@ -130,4 +134,6 @@ SR_PRIV void dlm_scope_state_destroy(struct scope_state *state);
 SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi);
 SR_PRIV int dlm_sample_rate_query(const struct sr_dev_inst *sdi);
 
+SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi);
+
 #endif