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 /* Message logging helpers with subsystem-specific prefix string. */
30 #define LOG_PREFIX "rigol-ds: "
31 #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
32 #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
33 #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
34 #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
35 #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
36 #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
38 #define DS1000_ANALOG_LIVE_WAVEFORM_SIZE 600
39 #define DS2000_ANALOG_LIVE_WAVEFORM_SIZE 1400
40 /* Needs to be made configurable later */
41 #define DS2000_ANALOG_MEM_WAVEFORM_SIZE_1C 14000
42 #define DS2000_ANALOG_MEM_WAVEFORM_SIZE_2C 7000
43 #define DIGITAL_WAVEFORM_SIZE 1210
44 /* Size of acquisition buffers */
45 #define ACQ_BUFFER_SIZE 32768
47 enum rigol_ds_series {
55 enum rigol_protocol_flavor {
56 /* Used by DS1000 series */
58 /* Used by DS2000, DS4000, DS6000, ... series */
65 DATA_SOURCE_SEGMENTED,
68 struct rigol_ds_model {
70 enum rigol_ds_series series;
71 enum rigol_protocol_flavor protocol;
72 uint64_t min_timebase[2];
73 uint64_t max_timebase[2];
76 int num_horizontal_divs;
80 WAIT_NONE, /* Don't wait */
81 WAIT_TRIGGER, /* Wait for trigger (only live capture) */
82 WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */
83 WAIT_STOP, /* Wait for scope stopping (only single shots) */
86 /** Private, per-device-instance driver context. */
89 const struct rigol_ds_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_probe_group analog_groups[2];
99 struct sr_probe_group digital_group;
101 /* Acquisition settings */
102 GSList *enabled_analog_probes;
103 GSList *enabled_digital_probes;
104 uint64_t limit_frames;
106 enum data_source data_source;
107 uint64_t analog_frame_size;
109 /* Device settings */
110 gboolean analog_channels[2];
111 gboolean digital_channels[16];
114 int vert_reference[2];
115 float vert_offset[2];
116 char *trigger_source;
117 float horiz_triggerpos;
121 /* Operational state */
123 /* FIXME: misnomer, actually this is number of frame samples? */
124 uint64_t num_frame_bytes;
125 struct sr_probe *channel_frame;
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_receive(int fd, int revents, void *cb_data);
141 SR_PRIV int rigol_ds_send(const struct sr_dev_inst *sdi, const char *format, ...);
142 SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi);