2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
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.
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.
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/>.
20 #ifndef LIBSIGROK_HARDWARE_APPA_55II_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_APPA_55II_PROTOCOL_H
25 #include "libsigrok.h"
26 #include "libsigrok-internal.h"
28 /* Message logging helpers with subsystem-specific prefix string. */
29 #define LOG_PREFIX "appa-55ii: "
30 #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
31 #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
32 #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
33 #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
34 #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
35 #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
37 #define APPA_55II_NUM_PROBES 2
38 #define APPA_55II_BUF_SIZE (4 + 32 + 1)
39 #define DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE
46 /** Private, per-device-instance driver context. */
48 /* Acquisition settings */
49 uint64_t limit_samples; /**< The sampling limit (in number of samples). */
50 uint64_t limit_msec; /**< The time limit (in milliseconds). */
51 gboolean data_source; /**< Whether to read live samples or memory */
52 void *session_cb_data; /**< Opaque pointer passed in by the frontend. */
54 /* Operational state */
55 uint64_t num_samples; /**< The number of already received samples. */
56 int64_t start_time; /**< The time at which sampling started. */
58 /* Temporary state across callbacks */
59 uint8_t buf[APPA_55II_BUF_SIZE];
62 unsigned int log_buf_len;
63 unsigned int num_log_records;
66 SR_PRIV gboolean appa_55ii_packet_valid(const uint8_t *buf);
67 SR_PRIV int appa_55ii_receive_data(int fd, int revents, void *cb_data);