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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Martin Ling <martin-git@earth.li> | |
5 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
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 | ||
21 | #ifndef LIBSIGROK_HARDWARE_RIGOL_DS_PROTOCOL_H | |
22 | #define LIBSIGROK_HARDWARE_RIGOL_DS_PROTOCOL_H | |
23 | ||
24 | #include <stdint.h> | |
25 | #include <stdbool.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "rigol-ds" | |
30 | ||
31 | /* Size of acquisition buffers */ | |
32 | #define ACQ_BUFFER_SIZE (32 * 1024) | |
33 | ||
34 | /* Maximum number of samples to retrieve at once. */ | |
35 | #define ACQ_BLOCK_SIZE (30 * 1000) | |
36 | ||
37 | #define MAX_ANALOG_CHANNELS 4 | |
38 | #define MAX_DIGITAL_CHANNELS 16 | |
39 | ||
40 | enum protocol_version { | |
41 | PROTOCOL_V1, /* VS5000 */ | |
42 | PROTOCOL_V2, /* DS1000 */ | |
43 | PROTOCOL_V3, /* DS2000, DSO1000 */ | |
44 | PROTOCOL_V4, /* DS1000Z */ | |
45 | PROTOCOL_V5, /* MSO5000 */ | |
46 | }; | |
47 | ||
48 | enum data_format { | |
49 | /* Used by DS1000 versions up to 2.02, and VS5000 series */ | |
50 | FORMAT_RAW, | |
51 | /* Used by DS1000 versions from 2.04 onwards and all later series */ | |
52 | FORMAT_IEEE488_2, | |
53 | }; | |
54 | ||
55 | enum data_source { | |
56 | DATA_SOURCE_LIVE, | |
57 | DATA_SOURCE_MEMORY, | |
58 | DATA_SOURCE_SEGMENTED, | |
59 | }; | |
60 | ||
61 | struct rigol_ds_vendor { | |
62 | const char *name; | |
63 | const char *full_name; | |
64 | }; | |
65 | ||
66 | struct rigol_ds_series { | |
67 | const struct rigol_ds_vendor *vendor; | |
68 | const char *name; | |
69 | enum protocol_version protocol; | |
70 | enum data_format format; | |
71 | uint64_t max_timebase[2]; | |
72 | uint64_t min_vdiv[2]; | |
73 | int num_horizontal_divs; | |
74 | int live_samples; | |
75 | int buffer_samples; | |
76 | }; | |
77 | ||
78 | enum cmds { | |
79 | CMD_GET_HORIZ_TRIGGERPOS, | |
80 | CMD_SET_HORIZ_TRIGGERPOS, | |
81 | }; | |
82 | ||
83 | struct rigol_ds_command { | |
84 | int cmd; | |
85 | const char *str; | |
86 | }; | |
87 | ||
88 | struct rigol_ds_model { | |
89 | const struct rigol_ds_series *series; | |
90 | const char *name; | |
91 | uint64_t min_timebase[2]; | |
92 | unsigned int analog_channels; | |
93 | bool has_digital; | |
94 | const char **trigger_sources; | |
95 | unsigned int num_trigger_sources; | |
96 | const struct rigol_ds_command *cmds; | |
97 | }; | |
98 | ||
99 | enum wait_events { | |
100 | WAIT_NONE, /* Don't wait */ | |
101 | WAIT_TRIGGER, /* Wait for trigger (only live capture) */ | |
102 | WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */ | |
103 | WAIT_STOP, /* Wait for scope stopping (only single shots) */ | |
104 | }; | |
105 | ||
106 | struct dev_context { | |
107 | const struct rigol_ds_model *model; | |
108 | enum data_format format; | |
109 | ||
110 | /* Device properties */ | |
111 | const uint64_t (*timebases)[2]; | |
112 | uint64_t num_timebases; | |
113 | const uint64_t (*vdivs)[2]; | |
114 | uint64_t num_vdivs; | |
115 | ||
116 | /* Channel groups */ | |
117 | struct sr_channel_group **analog_groups; | |
118 | struct sr_channel_group *digital_group; | |
119 | ||
120 | /* Acquisition settings */ | |
121 | GSList *enabled_channels; | |
122 | uint64_t limit_frames; | |
123 | enum data_source data_source; | |
124 | uint64_t analog_frame_size; | |
125 | uint64_t digital_frame_size; | |
126 | ||
127 | /* Device settings */ | |
128 | gboolean analog_channels[MAX_ANALOG_CHANNELS]; | |
129 | gboolean digital_channels[MAX_DIGITAL_CHANNELS]; | |
130 | gboolean la_enabled; | |
131 | float timebase; | |
132 | float attenuation[MAX_ANALOG_CHANNELS]; | |
133 | float vdiv[MAX_ANALOG_CHANNELS]; | |
134 | int vert_reference[MAX_ANALOG_CHANNELS]; | |
135 | float vert_origin[MAX_ANALOG_CHANNELS]; | |
136 | float vert_offset[MAX_ANALOG_CHANNELS]; | |
137 | float vert_inc[MAX_ANALOG_CHANNELS]; | |
138 | char *trigger_source; | |
139 | float horiz_triggerpos; | |
140 | char *trigger_slope; | |
141 | float trigger_level; | |
142 | char *coupling[MAX_ANALOG_CHANNELS]; | |
143 | ||
144 | /* Number of frames received in total. */ | |
145 | uint64_t num_frames; | |
146 | /* GSList entry for the current channel. */ | |
147 | GSList *channel_entry; | |
148 | /* Number of bytes received for current channel. */ | |
149 | uint64_t num_channel_bytes; | |
150 | /* Number of bytes of block header read */ | |
151 | uint64_t num_header_bytes; | |
152 | /* Number of bytes in current data block, if 0 block header expected */ | |
153 | uint64_t num_block_bytes; | |
154 | /* Number of data block bytes already read */ | |
155 | uint64_t num_block_read; | |
156 | /* What to wait for in *_receive */ | |
157 | enum wait_events wait_event; | |
158 | /* Trigger/block copying/stop waiting status */ | |
159 | int wait_status; | |
160 | /* Acq buffers used for reading from the scope and sending data to app */ | |
161 | unsigned char *buffer; | |
162 | float *data; | |
163 | }; | |
164 | ||
165 | SR_PRIV int rigol_ds_config_set(const struct sr_dev_inst *sdi, const char *format, ...); | |
166 | SR_PRIV int rigol_ds_capture_start(const struct sr_dev_inst *sdi); | |
167 | SR_PRIV int rigol_ds_channel_start(const struct sr_dev_inst *sdi); | |
168 | SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data); | |
169 | SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi); | |
170 | SR_PRIV int rigol_ds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi); | |
171 | ||
172 | #endif |