2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Martin Ling <martin-git@earth.li>
5 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef LIBSIGROK_HARDWARE_RIGOL_DS_PROTOCOL_H
22 #define LIBSIGROK_HARDWARE_RIGOL_DS_PROTOCOL_H
26 #include "libsigrok.h"
27 #include "libsigrok-internal.h"
29 #define LOG_PREFIX "rigol-ds"
31 #define DS1000_ANALOG_LIVE_WAVEFORM_SIZE 600
32 #define DS2000_ANALOG_LIVE_WAVEFORM_SIZE 1400
33 #define VS5000_ANALOG_LIVE_WAVEFORM_SIZE 2048
34 /* Needs to be made configurable later */
35 #define DS2000_ANALOG_MEM_WAVEFORM_SIZE_1C 14000
36 #define DS2000_ANALOG_MEM_WAVEFORM_SIZE_2C 7000
37 #define DIGITAL_WAVEFORM_SIZE 1210
38 /* Size of acquisition buffers */
39 #define ACQ_BUFFER_SIZE 32768
41 enum rigol_ds_series {
51 enum rigol_protocol_flavor {
52 /* Used by DS1000 and VS5000 series */
54 /* Used by DS2000, DS4000, DS6000, ... series */
61 DATA_SOURCE_SEGMENTED,
64 struct rigol_ds_model {
67 enum rigol_ds_series series;
68 enum rigol_protocol_flavor protocol;
69 uint64_t min_timebase[2];
70 uint64_t max_timebase[2];
73 int num_horizontal_divs;
77 WAIT_NONE, /* Don't wait */
78 WAIT_TRIGGER, /* Wait for trigger (only live capture) */
79 WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */
80 WAIT_STOP, /* Wait for scope stopping (only single shots) */
83 /** Private, per-device-instance driver context. */
86 const struct rigol_ds_model *model;
88 /* Device properties */
89 const uint64_t (*timebases)[2];
90 uint64_t num_timebases;
91 const uint64_t (*vdivs)[2];
95 struct sr_probe_group analog_groups[2];
96 struct sr_probe_group digital_group;
98 /* Acquisition settings */
99 GSList *enabled_analog_probes;
100 GSList *enabled_digital_probes;
101 uint64_t limit_frames;
103 enum data_source data_source;
104 uint64_t analog_frame_size;
106 /* Device settings */
107 gboolean analog_channels[2];
108 gboolean digital_channels[16];
111 int vert_reference[2];
112 float vert_offset[2];
113 char *trigger_source;
114 float horiz_triggerpos;
118 /* Operational state */
120 /* Number of frames received in total. */
122 /* The channel we are currently receiving data for. */
123 struct sr_probe *channel;
124 /* Number of samples received in current frame. */
125 uint64_t num_frame_samples;
126 /* Number of bytes in current data block, if 0 block header expected */
127 uint64_t num_block_bytes;
128 /* Number of data block bytes already read */
129 uint64_t num_block_read;
130 /* What to wait for in *_receive */
131 enum wait_events wait_event;
132 /* Trigger/block copying/stop waiting status */
134 /* Acq buffers used for reading from the scope and sending data to app */
135 unsigned char *buffer;
139 SR_PRIV int rigol_ds_capture_start(const struct sr_dev_inst *sdi);
140 SR_PRIV int rigol_ds_channel_start(const struct sr_dev_inst *sdi);
141 SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data);
142 SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi);