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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.h" | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "rigol-ds" | |
30 | ||
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 | |
41 | ||
42 | #define MAX_ANALOG_PROBES 4 | |
43 | #define MAX_DIGITAL_PROBES 16 | |
44 | ||
45 | enum rigol_ds_series { | |
46 | RIGOL_DS1000, | |
47 | RIGOL_DS1000Z, | |
48 | RIGOL_DS2000, | |
49 | RIGOL_DS4000, | |
50 | RIGOL_DS6000, | |
51 | RIGOL_VS5000, | |
52 | AGILENT_DSO1000, | |
53 | }; | |
54 | ||
55 | enum rigol_protocol_flavor { | |
56 | /* Used by DS1000 and VS5000 series */ | |
57 | PROTOCOL_LEGACY, | |
58 | /* Used by DS2000, DS4000, DS6000, ... series */ | |
59 | PROTOCOL_IEEE488_2, | |
60 | }; | |
61 | ||
62 | enum data_source { | |
63 | DATA_SOURCE_LIVE, | |
64 | DATA_SOURCE_MEMORY, | |
65 | DATA_SOURCE_SEGMENTED, | |
66 | }; | |
67 | ||
68 | struct rigol_ds_model { | |
69 | char *vendor; | |
70 | char *name; | |
71 | enum rigol_ds_series series; | |
72 | enum rigol_protocol_flavor protocol; | |
73 | uint64_t min_timebase[2]; | |
74 | uint64_t max_timebase[2]; | |
75 | uint64_t min_vdiv[2]; | |
76 | unsigned int analog_channels; | |
77 | bool has_digital; | |
78 | int num_horizontal_divs; | |
79 | }; | |
80 | ||
81 | enum wait_events { | |
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) */ | |
86 | }; | |
87 | ||
88 | /** Private, per-device-instance driver context. */ | |
89 | struct dev_context { | |
90 | /* Device model */ | |
91 | const struct rigol_ds_model *model; | |
92 | ||
93 | /* Device properties */ | |
94 | const uint64_t (*timebases)[2]; | |
95 | uint64_t num_timebases; | |
96 | const uint64_t (*vdivs)[2]; | |
97 | uint64_t num_vdivs; | |
98 | ||
99 | /* Probe groups */ | |
100 | struct sr_probe_group analog_groups[MAX_ANALOG_PROBES]; | |
101 | struct sr_probe_group digital_group; | |
102 | ||
103 | /* Acquisition settings */ | |
104 | GSList *enabled_analog_probes; | |
105 | GSList *enabled_digital_probes; | |
106 | uint64_t limit_frames; | |
107 | void *cb_data; | |
108 | enum data_source data_source; | |
109 | uint64_t analog_frame_size; | |
110 | ||
111 | /* Device settings */ | |
112 | gboolean analog_channels[MAX_ANALOG_PROBES]; | |
113 | gboolean digital_channels[MAX_DIGITAL_PROBES]; | |
114 | float timebase; | |
115 | float vdiv[MAX_ANALOG_PROBES]; | |
116 | int vert_reference[MAX_ANALOG_PROBES]; | |
117 | float vert_offset[MAX_ANALOG_PROBES]; | |
118 | char *trigger_source; | |
119 | float horiz_triggerpos; | |
120 | char *trigger_slope; | |
121 | char *coupling[MAX_ANALOG_PROBES]; | |
122 | ||
123 | /* Operational state */ | |
124 | ||
125 | /* Number of frames received in total. */ | |
126 | uint64_t num_frames; | |
127 | /* GSList entry for the current channel. */ | |
128 | GSList *channel_entry; | |
129 | /* Number of samples received in current frame. */ | |
130 | uint64_t num_frame_samples; | |
131 | /* Number of bytes in current data block, if 0 block header expected */ | |
132 | uint64_t num_block_bytes; | |
133 | /* Number of data block bytes already read */ | |
134 | uint64_t num_block_read; | |
135 | /* What to wait for in *_receive */ | |
136 | enum wait_events wait_event; | |
137 | /* Trigger/block copying/stop waiting status */ | |
138 | int wait_status; | |
139 | /* Acq buffers used for reading from the scope and sending data to app */ | |
140 | unsigned char *buffer; | |
141 | float *data; | |
142 | }; | |
143 | ||
144 | SR_PRIV int rigol_ds_capture_start(const struct sr_dev_inst *sdi); | |
145 | SR_PRIV int rigol_ds_channel_start(const struct sr_dev_inst *sdi); | |
146 | SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data); | |
147 | SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi); | |
148 | ||
149 | #endif |