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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 DIGITAL_CHANNELS_PER_POD        8
32
33 #define MAX_INSTRUMENT_VERSIONS         10
34 #define MAX_COMMAND_SIZE                128
35 #define MAX_ANALOG_CHANNEL_COUNT        4
36 #define MAX_DIGITAL_CHANNEL_COUNT       16
37 #define MAX_DIGITAL_GROUP_COUNT         2
38
39 struct scope_config {
40         const char *name[MAX_INSTRUMENT_VERSIONS];
41         const uint8_t analog_channels;
42         const uint8_t digital_channels;
43         uint8_t digital_pods;
44
45         const char *(*analog_names)[];
46         const char *(*digital_names)[];
47
48         const uint32_t (*devopts)[];
49         const uint8_t num_devopts;
50
51         const uint32_t (*devopts_cg_analog)[];
52         const uint8_t num_devopts_cg_analog;
53
54         const uint32_t (*devopts_cg_digital)[];
55         const uint8_t num_devopts_cg_digital;
56
57         const char *(*coupling_options)[];
58         const uint8_t num_coupling_options;
59
60         const char *(*logic_threshold)[];
61         const uint8_t num_logic_threshold;
62         const gboolean logic_threshold_for_pod;
63
64         const char *(*trigger_sources)[];
65         const uint8_t num_trigger_sources;
66
67         const char *(*trigger_slopes)[];
68         const uint8_t num_trigger_slopes;
69
70         const uint64_t (*timebases)[][2];
71         const uint8_t num_timebases;
72
73         const uint64_t (*vdivs)[][2];
74         const uint8_t num_vdivs;
75
76         unsigned int num_xdivs;
77         const unsigned int num_ydivs;
78
79         const char *(*scpi_dialect)[];
80 };
81
82 struct analog_channel_state {
83         int coupling;
84
85         int vdiv;
86         float vertical_offset;
87
88         gboolean state;
89         char probe_unit;
90 };
91
92 struct digital_pod_state {
93         gboolean state;
94
95         int threshold;
96         float user_threshold;
97 };
98
99 struct scope_state {
100         struct analog_channel_state *analog_channels;
101         gboolean *digital_channels;
102         struct digital_pod_state *digital_pods;
103
104         int timebase;
105         float horiz_triggerpos;
106
107         int trigger_source;
108         int trigger_slope;
109         char trigger_pattern[MAX_ANALOG_CHANNEL_COUNT + MAX_DIGITAL_CHANNEL_COUNT + 1];
110
111         gboolean high_resolution;
112         gboolean peak_detection;
113
114         uint64_t sample_rate;
115 };
116
117 struct dev_context {
118         const void *model_config;
119         void *model_state;
120
121         struct sr_channel_group **analog_groups;
122         struct sr_channel_group **digital_groups;
123
124         GSList *enabled_channels;
125         GSList *current_channel;
126         uint64_t num_samples;
127         uint64_t num_frames;
128
129         uint64_t samples_limit;
130         uint64_t frame_limit;
131
132         size_t pod_count;
133         GByteArray *logic_data;
134 };
135
136 SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi);
137 SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi);
138 SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data);
139
140 SR_PRIV struct scope_state *hmo_scope_state_new(struct scope_config *config);
141 SR_PRIV void hmo_scope_state_free(struct scope_state *state);
142 SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi);
143 SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi);
144
145 #endif