X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fhardware%2Fyokogawa-dlm%2Fprotocol.h;h=3ae9243329b6862867c09ed899f1c450a819693d;hb=f3c60fb6affce2ebd81250db1d60bee733e5f479;hp=dc8ac25b1ed93cfb786522c59562e9e966229207;hpb=107639373df3d592961eb70111e6f4ccb36f74fa;p=libsigrok.git

diff --git a/src/hardware/yokogawa-dlm/protocol.h b/src/hardware/yokogawa-dlm/protocol.h
index dc8ac25b..3ae92433 100644
--- a/src/hardware/yokogawa-dlm/protocol.h
+++ b/src/hardware/yokogawa-dlm/protocol.h
@@ -23,8 +23,103 @@
 
 #include <glib.h>
 #include <stdint.h>
+#include <stdlib.h>
 #include <string.h>
+#include <math.h>
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
+#include "protocol_wrappers.h"
+
+#define LOG_PREFIX "yokogawa-dlm"
+#define MAX_INSTRUMENT_VERSIONS 8
+
+#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?). */
+#define DLM_DIVISION_FOR_WORD_FORMAT 3200
+#define DLM_DIVISION_FOR_BYTE_FORMAT 12.5
+
+#define DLM_DIG_CHAN_INDEX_OFFS (32)
+
+enum trigger_slopes {
+	SLOPE_POSITIVE,
+	SLOPE_NEGATIVE
+};
+
+extern const char *dlm_trigger_slopes[3];
+extern const uint64_t dlm_timebases[36][2];
+extern const uint64_t dlm_vdivs[17][2];
+
+struct scope_config {
+	const char *model_id[MAX_INSTRUMENT_VERSIONS];
+	const char *model_name[MAX_INSTRUMENT_VERSIONS];
+	const uint8_t analog_channels;
+	const uint8_t digital_channels;
+	const uint8_t pods;
+
+	const char *(*analog_names)[];
+	const char *(*digital_names)[];
+
+	const char *(*coupling_options)[];
+	const uint8_t num_coupling_options;
+
+	const char *(*trigger_sources)[];
+	const uint8_t num_trigger_sources;
+
+	const uint8_t num_xdivs;
+	const uint8_t num_ydivs;
+};
+
+struct analog_channel_state {
+	int coupling;
+
+	int vdiv;
+	float vertical_offset, waveform_range, waveform_offset;
+
+	gboolean state;
+};
+
+struct scope_state {
+	struct analog_channel_state *analog_states;
+	gboolean *digital_states;
+	gboolean *pod_states;
+
+	int timebase;
+	float horiz_triggerpos;
+
+	int trigger_source;
+	int trigger_slope;
+	uint64_t sample_rate;
+	uint32_t samples_per_frame;
+};
+
+/** Private, per-device-instance driver context. */
+struct dev_context {
+	const void *model_config;
+	void *model_state;
+
+	struct sr_channel_group **analog_groups;
+	struct sr_channel_group **digital_groups;
+
+	GSList *enabled_channels;
+	GSList *current_channel;
+	uint64_t num_frames;
+
+	uint64_t frame_limit;
+
+	char receive_buffer[RECEIVE_BUFFER_SIZE];
+	gboolean data_pending;
+};
+
+SR_PRIV int dlm_data_request(const struct sr_dev_inst *sdi);
+SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index);
+SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index);
+SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data);
+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