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_TELEINFO_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_TELEINFO_PROTOCOL_H
25 #include "libsigrok.h"
26 #include "libsigrok-internal.h"
28 /* Message logging helpers with subsystem-specific prefix string. */
29 #define LOG_PREFIX "teleinfo: "
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)
45 #define TELEINFO_BUF_SIZE 256
47 /** Private, per-device-instance driver context. */
49 /* Acquisition settings */
50 uint64_t limit_samples; /**< The sampling limit (in number of samples). */
51 uint64_t limit_msec; /**< The time limit (in milliseconds). */
52 void *session_cb_data; /**< Opaque pointer passed in by the frontend. */
54 /* Operational state */
55 enum optarif optarif; /**< The device mode (which mesures are reported) */
56 uint64_t num_samples; /**< The number of already received samples. */
57 int64_t start_time; /**< The time at which sampling started. */
59 /* Temporary state across callbacks */
60 uint8_t buf[TELEINFO_BUF_SIZE];
64 SR_PRIV gboolean teleinfo_packet_valid(const uint8_t *buf);
65 SR_PRIV int teleinfo_receive_data(int fd, int revents, void *cb_data);
66 SR_PRIV int teleinfo_get_optarif(const uint8_t *buf);