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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2021 Gerhard Sittig <gerhard.sittig@gmx.net> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #ifndef LIBSIGROK_HARDWARE_DCTTECH_USBRELAY_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_DCTTECH_USBRELAY_PROTOCOL_H | |
22 | ||
64d54a71 | 23 | #include <glib.h> |
321f85fb | 24 | #include <hidapi.h> |
64d54a71 | 25 | #include <libsigrok/libsigrok.h> |
321f85fb GS |
26 | #include <stdint.h> |
27 | ||
64d54a71 GS |
28 | #include "libsigrok-internal.h" |
29 | ||
30 | #define LOG_PREFIX "dcttech-usbrelay" | |
31 | ||
321f85fb GS |
32 | /* USB identification. */ |
33 | #define VENDOR_ID 0x16c0 | |
34 | #define PRODUCT_ID 0x05df | |
35 | #define VENDOR_STRING "www.dcttech.com" | |
36 | #define PRODUCT_STRING_PREFIX "USBRelay" | |
37 | ||
38 | /* HID report layout. */ | |
39 | #define REPORT_NUMBER 0 | |
40 | #define REPORT_BYTECOUNT 8 | |
41 | #define SERNO_LENGTH 5 | |
42 | #define STATE_INDEX 7 | |
43 | ||
64d54a71 | 44 | struct dev_context { |
321f85fb | 45 | char *hid_path; |
8e5dbaf6 | 46 | uint16_t usb_vid, usb_pid; |
321f85fb GS |
47 | hid_device *hid_dev; |
48 | size_t relay_count; | |
49 | uint32_t relay_mask; | |
50 | uint32_t relay_state; | |
51 | }; | |
52 | ||
53 | struct channel_group_context { | |
54 | size_t number; | |
64d54a71 GS |
55 | }; |
56 | ||
321f85fb GS |
57 | SR_PRIV int dcttech_usbrelay_update_state(const struct sr_dev_inst *sdi); |
58 | SR_PRIV int dcttech_usbrelay_switch_cg(const struct sr_dev_inst *sdi, | |
59 | const struct sr_channel_group *cg, gboolean on); | |
60 | SR_PRIV int dcttech_usbrelay_query_cg(const struct sr_dev_inst *sdi, | |
61 | const struct sr_channel_group *cg, gboolean *on); | |
64d54a71 GS |
62 | |
63 | #endif |