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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2018 mhooijboer <marchelh@gmail.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef LIBSIGROK_HARDWARE_SIGLENT_SDS_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_SIGLENT_SDS_PROTOCOL_H | |
22 | ||
23 | #include <stdbool.h> | |
24 | #include <stdint.h> | |
25 | #include <glib.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "siglent-sds" | |
30 | ||
31 | /* Size of acquisition buffers */ | |
32 | //#define ACQ_BUFFER_SIZE (6000000) | |
33 | #define ACQ_BUFFER_SIZE (18000000) | |
34 | ||
35 | #define SIGLENT_HEADER_SIZE 363 | |
36 | #define SIGLENT_DIG_HEADER_SIZE 346 | |
37 | ||
38 | /* Maximum number of samples to retrieve at once. */ | |
39 | #define ACQ_BLOCK_SIZE (30 * 1000) | |
40 | ||
41 | #define MAX_ANALOG_CHANNELS 4 | |
42 | #define MAX_DIGITAL_CHANNELS 16 | |
43 | ||
44 | #define DEVICE_STATE_STOPPED 0 /* Scope is in stopped state bit */ | |
45 | #define DEVICE_STATE_DATA_ACQ 1 /* A new signal has been acquired bit */ | |
46 | #define DEVICE_STATE_TRIG_RDY 8192 /* Trigger is ready bit */ | |
47 | #define DEVICE_STATE_DATA_TRIG_RDY 8193 /* Trigger is ready bit */ | |
48 | ||
49 | enum protocol_version { | |
50 | SPO_MODEL, | |
51 | NON_SPO_MODEL, | |
52 | ESERIES, | |
53 | }; | |
54 | ||
55 | enum data_source { | |
56 | DATA_SOURCE_SCREEN, | |
57 | DATA_SOURCE_HISTORY, | |
58 | }; | |
59 | ||
60 | struct siglent_sds_vendor { | |
61 | const char *name; | |
62 | const char *full_name; | |
63 | }; | |
64 | ||
65 | struct siglent_sds_series { | |
66 | const struct siglent_sds_vendor *vendor; | |
67 | const char *name; | |
68 | enum protocol_version protocol; | |
69 | uint64_t max_timebase[2]; | |
70 | uint64_t min_vdiv[2]; | |
71 | int num_horizontal_divs; | |
72 | int num_vertical_divs; | |
73 | int buffer_samples; | |
74 | }; | |
75 | ||
76 | struct siglent_sds_model { | |
77 | const struct siglent_sds_series *series; | |
78 | const char *name; | |
79 | uint64_t min_timebase[2]; | |
80 | unsigned int analog_channels; | |
81 | bool has_digital; | |
82 | unsigned int digital_channels; | |
83 | }; | |
84 | ||
85 | enum wait_events { | |
86 | WAIT_NONE, /* Don't wait */ | |
87 | WAIT_TRIGGER, /* Wait for trigger */ | |
88 | WAIT_BLOCK, /* Wait for block data (only when reading sample mem) */ | |
89 | WAIT_STOP, /* Wait for scope stopping (only single shots) */ | |
90 | }; | |
91 | ||
92 | struct dev_context { | |
93 | /* Device model */ | |
94 | const struct siglent_sds_model *model; | |
95 | ||
96 | /* Device properties */ | |
97 | const uint64_t (*timebases)[2]; | |
98 | uint64_t num_timebases; | |
99 | const uint64_t (*vdivs)[2]; | |
100 | uint64_t num_vdivs; | |
101 | ||
102 | /* Channel groups */ | |
103 | struct sr_channel_group **analog_groups; | |
104 | struct sr_channel_group *digital_group; | |
105 | ||
106 | /* Acquisition settings */ | |
107 | GSList *enabled_channels; | |
108 | uint64_t limit_frames; | |
109 | uint64_t average_samples; | |
110 | gboolean average_enabled; | |
111 | enum data_source data_source; | |
112 | uint64_t analog_frame_size; | |
113 | uint64_t digital_frame_size; | |
114 | uint64_t num_samples; | |
115 | uint64_t memory_depth_analog; | |
116 | uint64_t memory_depth_digital; | |
117 | long block_header_size; | |
118 | float samplerate; | |
119 | ||
120 | /* Device settings */ | |
121 | gboolean analog_channels[MAX_ANALOG_CHANNELS]; | |
122 | gboolean digital_channels[MAX_DIGITAL_CHANNELS]; | |
123 | gboolean la_enabled; | |
124 | float timebase; | |
125 | float attenuation[MAX_ANALOG_CHANNELS]; | |
126 | float vdiv[MAX_ANALOG_CHANNELS]; | |
127 | int vert_reference[MAX_ANALOG_CHANNELS]; | |
128 | float vert_offset[MAX_ANALOG_CHANNELS]; | |
129 | char *trigger_source; | |
130 | float horiz_triggerpos; | |
131 | char *trigger_slope; | |
132 | float trigger_level; | |
133 | char *coupling[MAX_ANALOG_CHANNELS]; | |
134 | ||
135 | /* Operational state */ | |
136 | ||
137 | /* Number of frames received in total. */ | |
138 | uint64_t num_frames; | |
139 | /* GSList entry for the current channel. */ | |
140 | GSList *channel_entry; | |
141 | /* Number of bytes received for current channel. */ | |
142 | uint64_t num_channel_bytes; | |
143 | /* Number of bytes of block header read. */ | |
144 | uint64_t num_header_bytes; | |
145 | /* Number of data blocks bytes already read. */ | |
146 | uint64_t num_block_bytes; | |
147 | /* Number of data blocks read. */ | |
148 | int num_block_read; | |
149 | /* What to wait for in *_receive. */ | |
150 | enum wait_events wait_event; | |
151 | /* Trigger/block copying/stop waiting status. */ | |
152 | int wait_status; | |
153 | /* Acq buffers used for reading from the scope and sending data to app. */ | |
154 | unsigned char *buffer; | |
155 | float *data; | |
156 | GArray *dig_buffer; | |
157 | }; | |
158 | ||
159 | SR_PRIV int siglent_sds_config_set(const struct sr_dev_inst *sdi, | |
160 | const char *format, ...); | |
161 | SR_PRIV int siglent_sds_capture_start(const struct sr_dev_inst *sdi); | |
162 | SR_PRIV int siglent_sds_channel_start(const struct sr_dev_inst *sdi); | |
163 | SR_PRIV int siglent_sds_receive(int fd, int revents, void *cb_data); | |
164 | SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi); | |
165 | SR_PRIV int siglent_sds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi); | |
166 | SR_PRIV int siglent_sds_get_dev_cfg_horizontal(const struct sr_dev_inst *sdi); | |
167 | ||
168 | #endif |