2 * This file is part of the libsigrok project.
4 * Copyright (C) 2018 mhooijboer <marchelh@gmail.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef LIBSIGROK_HARDWARE_SIGLENT_SDS_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_SIGLENT_SDS_PROTOCOL_H
26 #include <libsigrok/libsigrok.h>
27 #include "libsigrok-internal.h"
29 #define LOG_PREFIX "siglent-sds"
31 /* Size of acquisition buffers */
32 //#define ACQ_BUFFER_SIZE (6000000)
33 #define ACQ_BUFFER_SIZE (18000000)
35 /* Maximum number of samples to retrieve at once. */
36 #define ACQ_BLOCK_SIZE (30 * 1000)
38 #define MAX_ANALOG_CHANNELS 4
39 #define MAX_DIGITAL_CHANNELS 16
41 #define DEVICE_STATE_STOPPED 0 /* Scope is in stopped state */
42 #define DEVICE_STATE_DATA_ACQ 1 /* A new signal has been acquired */
43 #define DEVICE_STATE_TRIG_RDY 8192 /* Trigger is ready */
45 enum protocol_version {
55 struct siglent_sds_vendor {
57 const char *full_name;
60 struct siglent_sds_series {
61 const struct siglent_sds_vendor *vendor;
63 enum protocol_version protocol;
64 uint64_t max_timebase[2];
66 int num_horizontal_divs;
67 int num_vertical_divs;
71 struct siglent_sds_model {
72 const struct siglent_sds_series *series;
74 uint64_t min_timebase[2];
75 unsigned int analog_channels;
77 unsigned int digital_channels;
81 WAIT_NONE, /* Don't wait */
82 WAIT_TRIGGER, /* Wait for trigger */
83 WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */
84 WAIT_STOP, /* Wait for scope stopping (only single shots) */
89 const struct siglent_sds_model *model;
91 /* Device properties */
92 const uint64_t (*timebases)[2];
93 uint64_t num_timebases;
94 const uint64_t (*vdivs)[2];
98 struct sr_channel_group **analog_groups;
99 struct sr_channel_group *digital_group;
101 /* Acquisition settings */
102 GSList *enabled_channels;
103 uint64_t limit_frames;
104 enum data_source data_source;
105 uint64_t analog_frame_size;
106 uint64_t digital_frame_size;
107 uint64_t num_samples;
108 long block_header_size;
111 /* Device settings */
112 gboolean analog_channels[MAX_ANALOG_CHANNELS];
113 gboolean digital_channels[MAX_DIGITAL_CHANNELS];
116 float attenuation[MAX_ANALOG_CHANNELS];
117 float vdiv[MAX_ANALOG_CHANNELS];
118 int vert_reference[MAX_ANALOG_CHANNELS];
119 float vert_offset[MAX_ANALOG_CHANNELS];
120 char *trigger_source;
121 float horiz_triggerpos;
124 char *coupling[MAX_ANALOG_CHANNELS];
126 /* Operational state */
128 /* Number of frames received in total. */
130 /* GSList entry for the current channel. */
131 GSList *channel_entry;
132 /* Number of bytes received for current channel. */
133 uint64_t num_channel_bytes;
134 /* Number of bytes of block header read. */
135 uint64_t num_header_bytes;
136 /* Number of bytes in current data block, if 0 block header expected. */
137 uint64_t num_block_bytes;
138 /* Number of data block bytes already read. */
139 uint64_t num_block_read;
140 /* What to wait for in *_receive. */
141 enum wait_events wait_event;
142 /* Trigger/block copying/stop waiting status. */
144 /* Acq buffers used for reading from the scope and sending data to app. */
145 unsigned char *buffer;
149 SR_PRIV int siglent_sds_config_set(const struct sr_dev_inst *sdi,
150 const char *format, ...);
151 SR_PRIV int siglent_sds_capture_start(const struct sr_dev_inst *sdi);
152 SR_PRIV int siglent_sds_channel_start(const struct sr_dev_inst *sdi);
153 SR_PRIV int siglent_sds_receive(int fd, int revents, void *cb_data);
154 SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi);
155 SR_PRIV int siglent_sds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi);
156 SR_PRIV int siglent_sds_get_dev_cfg_horizontal(const struct sr_dev_inst *sdi);