63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSIGROK_HARDWARE_APPA_55II_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_APPA_55II_PROTOCOL_H
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#include <stdint.h>
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#include <glib.h>
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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#define LOG_PREFIX "appa-55ii"
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#define APPA_55II_NUM_CHANNELS 2
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#define APPA_55II_BUF_SIZE (4 + 32 + 1)
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#define DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE
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enum {
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DATA_SOURCE_LIVE,
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DATA_SOURCE_MEMORY,
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};
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/* Acquisition settings */
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uint64_t limit_samples; /**< The sampling limit (in number of samples). */
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uint64_t limit_msec; /**< The time limit (in milliseconds). */
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gboolean data_source; /**< Whether to read live samples or memory */
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void *session_cb_data; /**< Opaque pointer passed in by the frontend. */
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/* Operational state */
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uint64_t num_samples; /**< The number of already received samples. */
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int64_t start_time; /**< The time at which sampling started. */
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/* Temporary state across callbacks */
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uint8_t buf[APPA_55II_BUF_SIZE];
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unsigned int buf_len;
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uint8_t log_buf[64];
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unsigned int log_buf_len;
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unsigned int num_log_records;
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};
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SR_PRIV gboolean appa_55ii_packet_valid(const uint8_t *buf);
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SR_PRIV int appa_55ii_receive_data(int fd, int revents, void *cb_data);
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#endif
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