libsigrok/hardware/hameg-hmo/protocol.h

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/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSIGROK_HARDWARE_HAMEG_HMO_PROTOCOL_H
#define LIBSIGROK_HARDWARE_HAMEG_HMO_PROTOCOL_H
#include <glib.h>
#include <stdint.h>
#include <string.h>
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#include "libsigrok.h"
#include "libsigrok-internal.h"
#define LOG_PREFIX "hameg-hmo"
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#define MAX_INSTRUMENT_VERSIONS 10
#define MAX_COMMAND_SIZE 31
struct scope_config {
const char *name[MAX_INSTRUMENT_VERSIONS];
const uint8_t analog_channels;
const uint8_t digital_channels;
const uint8_t digital_pods;
const char *(*analog_names)[];
const char *(*digital_names)[];
const int32_t (*hw_caps)[];
const uint8_t num_hwcaps;
const int32_t (*analog_hwcaps)[];
const uint8_t num_analog_hwcaps;
const char *(*coupling_options)[];
const uint8_t num_coupling_options;
const char *(*trigger_sources)[];
const uint8_t num_trigger_sources;
const char *(*trigger_slopes)[];
const uint64_t (*timebases)[][2];
const uint8_t num_timebases;
const uint64_t (*vdivs)[][2];
const uint8_t num_vdivs;
const uint8_t num_xdivs;
const uint8_t num_ydivs;
const char *(*scpi_dialect)[];
};
struct analog_channel_state {
int coupling;
int vdiv;
float vertical_offset;
gboolean state;
};
struct scope_state {
struct analog_channel_state *analog_channels;
gboolean *digital_channels;
gboolean *digital_pods;
int timebase;
float horiz_triggerpos;
int trigger_source;
int trigger_slope;
uint64_t sample_rate;
};
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/** Private, per-device-instance driver context. */
struct dev_context {
void *model_config;
void *model_state;
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struct sr_probe_group *analog_groups;
struct sr_probe_group *digital_groups;
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GSList *enabled_probes;
GSList *current_probe;
uint64_t num_frames;
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uint64_t frame_limit;
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};
SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi);
SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi);
SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data);
SR_PRIV struct scope_state *hmo_scope_state_new(struct scope_config *config);
SR_PRIV void hmo_scope_state_free(struct scope_state *state);
SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi);
SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi);
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#endif