Constify a few arrays and variables.

[libsigrok.git] / src / hardware / yokogawa-dlm / protocol.h

diff --git a/src/hardware/yokogawa-dlm/protocol.h b/src/hardware/yokogawa-dlm/protocol.h
index dc8ac25b1ed93cfb786522c59562e9e966229207..0bdb7f2f58f1add1595ce8f6d8fe2fb8c2210d61 100644 (file)
--- a/src/hardware/yokogawa-dlm/protocol.h
+++ b/src/hardware/yokogawa-dlm/protocol.h
@@ -23,8 +23,116 @@
 
 #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 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?). */
+#define DLM_DIVISION_FOR_WORD_FORMAT (3200)
+#define DLM_DIVISION_FOR_BYTE_FORMAT (12.5)
+
+enum trigger_slopes {
+       SLOPE_POSITIVE,
+       SLOPE_NEGATIVE
+};
+
+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 uint32_t (*devopts)[];
+       const uint8_t num_devopts;
+
+       const uint32_t (*analog_devopts)[];
+       const uint8_t num_analog_devopts;
+
+       const char *(*coupling_options)[];
+       const uint8_t num_coupling_options;
+
+       const char *(*trigger_sources)[];
+       const uint8_t num_trigger_sources;
+
+       const char *(*trigger_slopes)[];
+
+       const uint64_t (*timebases)[][2];
+       const uint8_t num_timebases;
+
+       const uint64_t (*vdivs)[][2];
+       const uint8_t num_vdivs;
+
+       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;
+};
+
+/*--- api.c -----------------------------------------------------------------*/
+SR_PRIV int dlm_data_request(const struct sr_dev_inst *sdi);
+
+/*--- protocol.c ------------------------------------------------------------*/
+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