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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2017-2019 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_SERIAL_HID_H | |
21 | #define LIBSIGROK_SERIAL_HID_H | |
22 | ||
23 | /* The prefix for port names which are HID based. */ | |
24 | #define SER_HID_CONN_PREFIX "hid" | |
25 | #define SER_HID_USB_PREFIX "usb=" | |
26 | #define SER_HID_RAW_PREFIX "raw=" | |
27 | #define SER_HID_SNR_PREFIX "sn=" | |
28 | ||
29 | /* | |
30 | * The maximum number of bytes any supported HID chip can communicate | |
31 | * within a single request. | |
32 | * | |
33 | * Brymen BU-86X: up to 8 bytes | |
34 | * SiLabs CP2110: up to 63 bytes | |
35 | * Victor DMM: up to 14 bytes | |
36 | * WCH CH9325: up to 7 bytes | |
37 | */ | |
38 | #define SER_HID_CHUNK_SIZE 64 | |
39 | ||
40 | /* | |
41 | * Routines to get/set reports/data, provided by serial_hid.c and used | |
42 | * in serial_hid_<chip>.c files. | |
43 | */ | |
44 | SR_PRIV int ser_hid_hidapi_get_report(struct sr_serial_dev_inst *serial, | |
45 | uint8_t *data, size_t len); | |
46 | SR_PRIV int ser_hid_hidapi_set_report(struct sr_serial_dev_inst *serial, | |
47 | const uint8_t *data, size_t len); | |
48 | SR_PRIV int ser_hid_hidapi_get_data(struct sr_serial_dev_inst *serial, | |
49 | uint8_t ep, uint8_t *data, size_t len, int timeout); | |
50 | SR_PRIV int ser_hid_hidapi_set_data(struct sr_serial_dev_inst *serial, | |
51 | uint8_t ep, const uint8_t *data, size_t len, int timeout); | |
52 | ||
53 | #endif |