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 #define DSO1000_ANALOG_LIVE_WAVEFORM_SIZE 600
35 /* Needs to be made configurable later */
36 #define DS2000_ANALOG_MEM_WAVEFORM_SIZE_1C 14000
37 #define DS2000_ANALOG_MEM_WAVEFORM_SIZE_2C 7000
38 #define DIGITAL_WAVEFORM_SIZE 1210
39 /* Size of acquisition buffers */
40 #define ACQ_BUFFER_SIZE 32768
42 #define MAX_ANALOG_PROBES 4
43 #define MAX_DIGITAL_PROBES 16
45 enum rigol_ds_series {
55 enum rigol_protocol_flavor {
56 /* Used by DS1000 and VS5000 series */
58 /* Used by DS2000, DS4000, DS6000, ... series */
65 DATA_SOURCE_SEGMENTED,
68 struct rigol_ds_model {
71 enum rigol_ds_series series;
72 enum rigol_protocol_flavor protocol;
73 uint64_t min_timebase[2];
74 uint64_t max_timebase[2];
76 unsigned int analog_channels;
78 int num_horizontal_divs;
82 WAIT_NONE, /* Don't wait */
83 WAIT_TRIGGER, /* Wait for trigger (only live capture) */
84 WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */
85 WAIT_STOP, /* Wait for scope stopping (only single shots) */
88 /** Private, per-device-instance driver context. */
91 const struct rigol_ds_model *model;
93 /* Device properties */
94 const uint64_t (*timebases)[2];
95 uint64_t num_timebases;
96 const uint64_t (*vdivs)[2];
100 struct sr_probe_group analog_groups[MAX_ANALOG_PROBES];
101 struct sr_probe_group digital_group;
103 /* Acquisition settings */
104 GSList *enabled_analog_probes;
105 GSList *enabled_digital_probes;
106 uint64_t limit_frames;
108 enum data_source data_source;
109 uint64_t analog_frame_size;
111 /* Device settings */
112 gboolean analog_channels[MAX_ANALOG_PROBES];
113 gboolean digital_channels[MAX_DIGITAL_PROBES];
116 float vdiv[MAX_ANALOG_PROBES];
117 int vert_reference[MAX_ANALOG_PROBES];
118 float vert_offset[MAX_ANALOG_PROBES];
119 char *trigger_source;
120 float horiz_triggerpos;
122 char *coupling[MAX_ANALOG_PROBES];
124 /* Operational state */
126 /* Number of frames received in total. */
128 /* GSList entry for the current channel. */
129 GSList *channel_entry;
130 /* Number of samples received in current frame. */
131 uint64_t num_frame_samples;
132 /* Number of bytes in current data block, if 0 block header expected */
133 uint64_t num_block_bytes;
134 /* Number of data block bytes already read */
135 uint64_t num_block_read;
136 /* What to wait for in *_receive */
137 enum wait_events wait_event;
138 /* Trigger/block copying/stop waiting status */
140 /* Acq buffers used for reading from the scope and sending data to app */
141 unsigned char *buffer;
145 SR_PRIV int rigol_ds_capture_start(const struct sr_dev_inst *sdi);
146 SR_PRIV int rigol_ds_channel_start(const struct sr_dev_inst *sdi);
147 SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data);
148 SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi);