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10763937 SA |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 abraxa (Soeren Apel) <soeren@apelpie.net> | |
5 | * Based on the Hameg HMO driver by poljar (Damir Jelić) <poljarinho@gmail.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_YOKOGAWA_DLM_PROTOCOL_H | |
22 | #define LIBSIGROK_HARDWARE_YOKOGAWA_DLM_PROTOCOL_H | |
23 | ||
24 | #include <glib.h> | |
25 | #include <stdint.h> | |
8ab929d6 | 26 | #include <stdlib.h> |
10763937 | 27 | #include <string.h> |
8ab929d6 | 28 | #include <math.h> |
10763937 SA |
29 | #include "libsigrok.h" |
30 | #include "libsigrok-internal.h" | |
8ab929d6 SA |
31 | #include "protocol_wrappers.h" |
32 | ||
33 | #define LOG_PREFIX "yokogawa-dlm" | |
7048bb1f | 34 | #define MAX_INSTRUMENT_VERSIONS 8 |
8ab929d6 | 35 | |
1a46cc62 | 36 | #define RECEIVE_BUFFER_SIZE 4096 |
af3487ec | 37 | |
8ab929d6 | 38 | /* See Communication Interface User's Manual on p. 268 (:WAVeform:ALL:SEND?). */ |
1a46cc62 | 39 | #define DLM_MAX_FRAME_LENGTH 12500 |
8ab929d6 | 40 | /* See Communication Interface User's Manual on p. 269 (:WAVeform:SEND?). */ |
1a46cc62 UH |
41 | #define DLM_DIVISION_FOR_WORD_FORMAT 3200 |
42 | #define DLM_DIVISION_FOR_BYTE_FORMAT 12.5 | |
8ab929d6 | 43 | |
6fd78a9f SA |
44 | #define DLM_DIG_CHAN_INDEX_OFFS (32) |
45 | ||
8ab929d6 SA |
46 | enum trigger_slopes { |
47 | SLOPE_POSITIVE, | |
48 | SLOPE_NEGATIVE | |
49 | }; | |
50 | ||
51 | struct scope_config { | |
52 | const char *model_id[MAX_INSTRUMENT_VERSIONS]; | |
53 | const char *model_name[MAX_INSTRUMENT_VERSIONS]; | |
54 | const uint8_t analog_channels; | |
55 | const uint8_t digital_channels; | |
56 | const uint8_t pods; | |
57 | ||
58 | const char *(*analog_names)[]; | |
59 | const char *(*digital_names)[]; | |
60 | ||
f254bc4b BV |
61 | const uint32_t (*devopts)[]; |
62 | const uint8_t num_devopts; | |
8ab929d6 | 63 | |
f254bc4b BV |
64 | const uint32_t (*analog_devopts)[]; |
65 | const uint8_t num_analog_devopts; | |
8ab929d6 SA |
66 | |
67 | const char *(*coupling_options)[]; | |
68 | const uint8_t num_coupling_options; | |
69 | ||
70 | const char *(*trigger_sources)[]; | |
71 | const uint8_t num_trigger_sources; | |
72 | ||
73 | const char *(*trigger_slopes)[]; | |
74 | ||
75 | const uint64_t (*timebases)[][2]; | |
76 | const uint8_t num_timebases; | |
77 | ||
78 | const uint64_t (*vdivs)[][2]; | |
79 | const uint8_t num_vdivs; | |
80 | ||
81 | const uint8_t num_xdivs; | |
82 | const uint8_t num_ydivs; | |
8ab929d6 SA |
83 | }; |
84 | ||
85 | struct analog_channel_state { | |
86 | int coupling; | |
87 | ||
88 | int vdiv; | |
89 | float vertical_offset, waveform_range, waveform_offset; | |
90 | ||
91 | gboolean state; | |
92 | }; | |
93 | ||
94 | struct scope_state { | |
95 | struct analog_channel_state *analog_states; | |
96 | gboolean *digital_states; | |
97 | gboolean *pod_states; | |
98 | ||
99 | int timebase; | |
100 | float horiz_triggerpos; | |
101 | ||
102 | int trigger_source; | |
103 | int trigger_slope; | |
104 | uint64_t sample_rate; | |
af3487ec | 105 | uint32_t samples_per_frame; |
8ab929d6 SA |
106 | }; |
107 | ||
108 | /** Private, per-device-instance driver context. */ | |
109 | struct dev_context { | |
329733d9 | 110 | const void *model_config; |
8ab929d6 SA |
111 | void *model_state; |
112 | ||
113 | struct sr_channel_group **analog_groups; | |
114 | struct sr_channel_group **digital_groups; | |
115 | ||
116 | GSList *enabled_channels; | |
117 | GSList *current_channel; | |
118 | uint64_t num_frames; | |
119 | ||
120 | uint64_t frame_limit; | |
af3487ec SA |
121 | |
122 | char receive_buffer[RECEIVE_BUFFER_SIZE]; | |
123 | gboolean data_pending; | |
8ab929d6 SA |
124 | }; |
125 | ||
8ab929d6 | 126 | SR_PRIV int dlm_data_request(const struct sr_dev_inst *sdi); |
8ab929d6 SA |
127 | SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index); |
128 | SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index); | |
129 | SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data); | |
8ab929d6 SA |
130 | SR_PRIV void dlm_scope_state_destroy(struct scope_state *state); |
131 | SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi); | |
132 | SR_PRIV int dlm_sample_rate_query(const struct sr_dev_inst *sdi); | |
af3487ec SA |
133 | SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi); |
134 | ||
10763937 | 135 | #endif |