2 * This file is part of the libsigrok project.
4 * Copyright (C) 2020 Andreas Sandberg <andreas@sandberg.pp.se>
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_RDTECH_TC_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_RDTECH_TC_PROTOCOL_H
23 #include <libsigrok/libsigrok.h>
24 #include "libsigrok-internal.h"
26 #define LOG_PREFIX "rdtech-tc"
29 * Keep request and response buffers of sufficient size. The maximum
30 * request text currently involved is "bgetva\r\n" which translates
31 * to 9 bytes. The poll response (a measurement, the largest amount
32 * of data that is currently received) is 192 bytes in length. Add
33 * some slack for alignment, and for in-flight messages or adjacent
34 * data during synchronization to the data stream.
36 #define RDTECH_TC_MAXREQLEN 12
37 #define RDTECH_TC_RSPBUFSIZE 256
39 struct rdtech_dev_info {
45 struct rdtech_tc_channel_desc {
47 struct binary_value_spec spec;
48 struct sr_rational scale;
55 gboolean is_bluetooth;
56 char req_text[RDTECH_TC_MAXREQLEN];
57 struct rdtech_dev_info dev_info;
58 const struct rdtech_tc_channel_desc *channels;
60 struct feed_queue_analog **feeds;
61 struct sr_sw_limits limits;
62 uint8_t buf[RDTECH_TC_RSPBUFSIZE];
68 SR_PRIV int rdtech_tc_probe(struct sr_serial_dev_inst *serial, struct dev_context *devc);
69 SR_PRIV int rdtech_tc_receive_data(int fd, int revents, void *cb_data);
70 SR_PRIV int rdtech_tc_poll(const struct sr_dev_inst *sdi, gboolean force);