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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@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_HAMEG_HMO_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_HAMEG_HMO_PROTOCOL_H | |
22 | ||
23 | #include <glib.h> | |
24 | #include <stdint.h> | |
25 | #include <string.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "hameg-hmo" | |
30 | ||
31 | #define MAX_INSTRUMENT_VERSIONS 10 | |
32 | #define MAX_COMMAND_SIZE 31 | |
33 | ||
34 | struct scope_config { | |
35 | const char *name[MAX_INSTRUMENT_VERSIONS]; | |
36 | const uint8_t analog_channels; | |
37 | const uint8_t digital_channels; | |
38 | const uint8_t digital_pods; | |
39 | ||
40 | const char *(*analog_names)[]; | |
41 | const char *(*digital_names)[]; | |
42 | ||
43 | const uint32_t (*devopts)[]; | |
44 | const uint8_t num_devopts; | |
45 | ||
46 | const uint32_t (*analog_devopts)[]; | |
47 | const uint8_t num_analog_devopts; | |
48 | ||
49 | const char *(*coupling_options)[]; | |
50 | const uint8_t num_coupling_options; | |
51 | ||
52 | const char *(*trigger_sources)[]; | |
53 | const uint8_t num_trigger_sources; | |
54 | ||
55 | const char *(*trigger_slopes)[]; | |
56 | ||
57 | const uint64_t (*timebases)[][2]; | |
58 | const uint8_t num_timebases; | |
59 | ||
60 | const uint64_t (*vdivs)[][2]; | |
61 | const uint8_t num_vdivs; | |
62 | ||
63 | const uint8_t num_xdivs; | |
64 | const uint8_t num_ydivs; | |
65 | ||
66 | const char *(*scpi_dialect)[]; | |
67 | }; | |
68 | ||
69 | struct analog_channel_state { | |
70 | int coupling; | |
71 | ||
72 | int vdiv; | |
73 | float vertical_offset; | |
74 | ||
75 | gboolean state; | |
76 | char probe_unit; | |
77 | }; | |
78 | ||
79 | struct scope_state { | |
80 | struct analog_channel_state *analog_channels; | |
81 | gboolean *digital_channels; | |
82 | gboolean *digital_pods; | |
83 | ||
84 | int timebase; | |
85 | float horiz_triggerpos; | |
86 | ||
87 | int trigger_source; | |
88 | int trigger_slope; | |
89 | uint64_t sample_rate; | |
90 | ||
91 | /** SCPI data block byte order. 'l'/'b' when known, '?' otherwise. */ | |
92 | char byteorder; | |
93 | }; | |
94 | ||
95 | /** Private, per-device-instance driver context. */ | |
96 | struct dev_context { | |
97 | const void *model_config; | |
98 | void *model_state; | |
99 | ||
100 | struct sr_channel_group **analog_groups; | |
101 | struct sr_channel_group **digital_groups; | |
102 | ||
103 | GSList *enabled_channels; | |
104 | GSList *current_channel; | |
105 | uint64_t num_frames; | |
106 | ||
107 | uint64_t frame_limit; | |
108 | }; | |
109 | ||
110 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi); | |
111 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi); | |
112 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data); | |
113 | ||
114 | SR_PRIV struct scope_state *hmo_scope_state_new(struct scope_config *config); | |
115 | SR_PRIV void hmo_scope_state_free(struct scope_state *state); | |
116 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi); | |
117 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi); | |
118 | ||
119 | #endif |