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 4
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)
50 const char *model_id[MAX_INSTRUMENT_VERSIONS];
51 const char *model_name[MAX_INSTRUMENT_VERSIONS];
52 const uint8_t analog_channels;
53 const uint8_t digital_channels;
56 const char *(*analog_names)[];
57 const char *(*digital_names)[];
59 const uint32_t (*devopts)[];
60 const uint8_t num_devopts;
62 const uint32_t (*analog_devopts)[];
63 const uint8_t num_analog_devopts;
65 const char *(*coupling_options)[];
66 const uint8_t num_coupling_options;
68 const char *(*trigger_sources)[];
69 const uint8_t num_trigger_sources;
71 const char *(*trigger_slopes)[];
73 const uint64_t (*timebases)[][2];
74 const uint8_t num_timebases;
76 const uint64_t (*vdivs)[][2];
77 const uint8_t num_vdivs;
79 const uint8_t num_xdivs;
80 const uint8_t num_ydivs;
83 struct analog_channel_state {
87 float vertical_offset, waveform_range, waveform_offset;
93 struct analog_channel_state *analog_states;
94 gboolean *digital_states;
98 float horiz_triggerpos;
102 uint64_t sample_rate;
103 uint32_t samples_per_frame;
106 /** Private, per-device-instance driver context. */
111 struct sr_channel_group **analog_groups;
112 struct sr_channel_group **digital_groups;
114 GSList *enabled_channels;
115 GSList *current_channel;
118 uint64_t frame_limit;
120 char receive_buffer[RECEIVE_BUFFER_SIZE];
121 gboolean data_pending;
124 /*--- api.c -----------------------------------------------------------------*/
125 SR_PRIV int dlm_data_request(const struct sr_dev_inst *sdi);
127 /*--- protocol.c ------------------------------------------------------------*/
128 SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index);
129 SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index);
130 SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data);
132 SR_PRIV void dlm_scope_state_destroy(struct scope_state *state);
133 SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi);
134 SR_PRIV int dlm_sample_rate_query(const struct sr_dev_inst *sdi);
136 SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi);