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f4816ac6 ML |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Martin Ling <martin-git@earth.li> | |
88e429c9 | 5 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
f4816ac6 ML |
6 | * |
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. | |
11 | * | |
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. | |
16 | * | |
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/>. | |
19 | */ | |
20 | ||
3086efdd ML |
21 | #ifndef LIBSIGROK_HARDWARE_RIGOL_DS_PROTOCOL_H |
22 | #define LIBSIGROK_HARDWARE_RIGOL_DS_PROTOCOL_H | |
f4816ac6 ML |
23 | |
24 | #include <stdint.h> | |
bafd4890 | 25 | #include <stdbool.h> |
c1aae900 | 26 | #include <libsigrok/libsigrok.h> |
f4816ac6 ML |
27 | #include "libsigrok-internal.h" |
28 | ||
3544f848 | 29 | #define LOG_PREFIX "rigol-ds" |
f4816ac6 | 30 | |
babab622 | 31 | /* Size of acquisition buffers */ |
1a46cc62 | 32 | #define ACQ_BUFFER_SIZE (32 * 1024) |
babab622 | 33 | |
702f42e8 | 34 | /* Maximum number of samples to retrieve at once. */ |
1a46cc62 | 35 | #define ACQ_BLOCK_SIZE (30 * 1000) |
702f42e8 | 36 | |
3f239f08 UH |
37 | #define MAX_ANALOG_CHANNELS 4 |
38 | #define MAX_DIGITAL_CHANNELS 16 | |
821fbcad | 39 | |
569d4dbd ML |
40 | enum protocol_version { |
41 | PROTOCOL_V1, /* VS5000 */ | |
42 | PROTOCOL_V2, /* DS1000 */ | |
43 | PROTOCOL_V3, /* DS2000, DSO1000 */ | |
702f42e8 | 44 | PROTOCOL_V4, /* DS1000Z */ |
babab622 ML |
45 | }; |
46 | ||
569d4dbd ML |
47 | enum data_format { |
48 | /* Used by DS1000 versions up to 2.02, and VS5000 series */ | |
49 | FORMAT_RAW, | |
50 | /* Used by DS1000 versions from 2.04 onwards and all later series */ | |
51 | FORMAT_IEEE488_2, | |
babab622 ML |
52 | }; |
53 | ||
54 | enum data_source { | |
55 | DATA_SOURCE_LIVE, | |
56 | DATA_SOURCE_MEMORY, | |
57 | DATA_SOURCE_SEGMENTED, | |
58 | }; | |
e0b7d23c | 59 | |
569d4dbd ML |
60 | struct rigol_ds_vendor { |
61 | const char *name; | |
62 | const char *full_name; | |
63 | }; | |
64 | ||
65 | struct rigol_ds_series { | |
66 | const struct rigol_ds_vendor *vendor; | |
67 | const char *name; | |
68 | enum protocol_version protocol; | |
69 | enum data_format format; | |
bafd4890 ML |
70 | uint64_t max_timebase[2]; |
71 | uint64_t min_vdiv[2]; | |
569d4dbd ML |
72 | int num_horizontal_divs; |
73 | int live_samples; | |
74 | int buffer_samples; | |
75 | }; | |
76 | ||
77 | struct rigol_ds_model { | |
78 | const struct rigol_ds_series *series; | |
79 | const char *name; | |
80 | uint64_t min_timebase[2]; | |
821fbcad | 81 | unsigned int analog_channels; |
bafd4890 | 82 | bool has_digital; |
babab622 ML |
83 | }; |
84 | ||
85 | enum wait_events { | |
86 | WAIT_NONE, /* Don't wait */ | |
87 | WAIT_TRIGGER, /* Wait for trigger (only live capture) */ | |
88 | WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */ | |
89 | WAIT_STOP, /* Wait for scope stopping (only single shots) */ | |
bafd4890 ML |
90 | }; |
91 | ||
f4816ac6 ML |
92 | /** Private, per-device-instance driver context. */ |
93 | struct dev_context { | |
bafd4890 ML |
94 | /* Device model */ |
95 | const struct rigol_ds_model *model; | |
569d4dbd | 96 | enum data_format format; |
bafd4890 ML |
97 | |
98 | /* Device properties */ | |
99 | const uint64_t (*timebases)[2]; | |
100 | uint64_t num_timebases; | |
101 | const uint64_t (*vdivs)[2]; | |
102 | uint64_t num_vdivs; | |
6bb192bc | 103 | |
660e398f | 104 | /* Channel groups */ |
562b7ae5 SA |
105 | struct sr_channel_group **analog_groups; |
106 | struct sr_channel_group *digital_group; | |
3d3a601e | 107 | |
254dd102 | 108 | /* Acquisition settings */ |
702f42e8 | 109 | GSList *enabled_channels; |
e0b7d23c | 110 | uint64_t limit_frames; |
f4816ac6 | 111 | void *cb_data; |
babab622 ML |
112 | enum data_source data_source; |
113 | uint64_t analog_frame_size; | |
d22250a9 | 114 | uint64_t digital_frame_size; |
f4816ac6 | 115 | |
254dd102 | 116 | /* Device settings */ |
3f239f08 UH |
117 | gboolean analog_channels[MAX_ANALOG_CHANNELS]; |
118 | gboolean digital_channels[MAX_DIGITAL_CHANNELS]; | |
04e8e01e | 119 | gboolean la_enabled; |
254dd102 | 120 | float timebase; |
3f239f08 UH |
121 | float vdiv[MAX_ANALOG_CHANNELS]; |
122 | int vert_reference[MAX_ANALOG_CHANNELS]; | |
123 | float vert_offset[MAX_ANALOG_CHANNELS]; | |
254dd102 BV |
124 | char *trigger_source; |
125 | float horiz_triggerpos; | |
126 | char *trigger_slope; | |
3f239f08 | 127 | char *coupling[MAX_ANALOG_CHANNELS]; |
254dd102 BV |
128 | |
129 | /* Operational state */ | |
0d87bd93 ML |
130 | |
131 | /* Number of frames received in total. */ | |
254dd102 | 132 | uint64_t num_frames; |
821fbcad ML |
133 | /* GSList entry for the current channel. */ |
134 | GSList *channel_entry; | |
f76c24f6 ML |
135 | /* Number of bytes received for current channel. */ |
136 | uint64_t num_channel_bytes; | |
aff00e40 ML |
137 | /* Number of bytes of block header read */ |
138 | uint64_t num_header_bytes; | |
bafd4890 ML |
139 | /* Number of bytes in current data block, if 0 block header expected */ |
140 | uint64_t num_block_bytes; | |
141 | /* Number of data block bytes already read */ | |
142 | uint64_t num_block_read; | |
babab622 ML |
143 | /* What to wait for in *_receive */ |
144 | enum wait_events wait_event; | |
145 | /* Trigger/block copying/stop waiting status */ | |
146 | int wait_status; | |
147 | /* Acq buffers used for reading from the scope and sending data to app */ | |
148 | unsigned char *buffer; | |
149 | float *data; | |
f4816ac6 ML |
150 | }; |
151 | ||
38354d9d | 152 | SR_PRIV int rigol_ds_config_set(const struct sr_dev_inst *sdi, const char *format, ...); |
babab622 | 153 | SR_PRIV int rigol_ds_capture_start(const struct sr_dev_inst *sdi); |
677f85d0 | 154 | SR_PRIV int rigol_ds_channel_start(const struct sr_dev_inst *sdi); |
3086efdd | 155 | SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data); |
3086efdd | 156 | SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi); |
e0b7d23c | 157 | |
f4816ac6 | 158 | #endif |