2 * This file is part of the libsigrok project.
4 * Copyright (C) 2014 abraxa (Soeren Apel) <soeren@apelpie.net>
5 * Based on the Hameg HMO driver by poljar (Damir Jelić) <poljarinho@gmail.com>
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.
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.
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/>.
21 #ifndef LIBSIGROK_HARDWARE_YOKOGAWA_DLM_PROTOCOL_H
22 #define LIBSIGROK_HARDWARE_YOKOGAWA_DLM_PROTOCOL_H
29 #include "libsigrok.h"
30 #include "libsigrok-internal.h"
31 #include "protocol_wrappers.h"
33 #define LOG_PREFIX "yokogawa-dlm"
34 #define MAX_INSTRUMENT_VERSIONS 8
36 #define RECEIVE_BUFFER_SIZE 4096
38 /* See Communication Interface User's Manual on p. 268 (:WAVeform:ALL:SEND?). */
39 #define DLM_MAX_FRAME_LENGTH 12500
40 /* See Communication Interface User's Manual on p. 269 (:WAVeform:SEND?). */
41 #define DLM_DIVISION_FOR_WORD_FORMAT 3200
42 #define DLM_DIVISION_FOR_BYTE_FORMAT 12.5
44 #define DLM_DIG_CHAN_INDEX_OFFS (32)
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;
58 const char *(*analog_names)[];
59 const char *(*digital_names)[];
61 const uint32_t (*devopts)[];
62 const uint8_t num_devopts;
64 const uint32_t (*analog_devopts)[];
65 const uint8_t num_analog_devopts;
67 const char *(*coupling_options)[];
68 const uint8_t num_coupling_options;
70 const char *(*trigger_sources)[];
71 const uint8_t num_trigger_sources;
73 const char *(*trigger_slopes)[];
75 const uint64_t (*timebases)[][2];
76 const uint8_t num_timebases;
78 const uint64_t (*vdivs)[][2];
79 const uint8_t num_vdivs;
81 const uint8_t num_xdivs;
82 const uint8_t num_ydivs;
85 struct analog_channel_state {
89 float vertical_offset, waveform_range, waveform_offset;
95 struct analog_channel_state *analog_states;
96 gboolean *digital_states;
100 float horiz_triggerpos;
104 uint64_t sample_rate;
105 uint32_t samples_per_frame;
108 /** Private, per-device-instance driver context. */
110 const void *model_config;
113 struct sr_channel_group **analog_groups;
114 struct sr_channel_group **digital_groups;
116 GSList *enabled_channels;
117 GSList *current_channel;
120 uint64_t frame_limit;
122 char receive_buffer[RECEIVE_BUFFER_SIZE];
123 gboolean data_pending;
126 SR_PRIV int dlm_data_request(const struct sr_dev_inst *sdi);
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);
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);
133 SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi);