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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include <string.h> | |
23 | #include <libsigrok/libsigrok.h> | |
24 | #include "libsigrok-internal.h" | |
25 | ||
26 | #define LOG_PREFIX "transform/nop" | |
27 | ||
28 | static int receive(const struct sr_transform *t, | |
29 | struct sr_datafeed_packet *packet_in, | |
30 | struct sr_datafeed_packet **packet_out) | |
31 | { | |
32 | if (!t || !t->sdi || !packet_in || !packet_out) | |
33 | return SR_ERR_ARG; | |
34 | ||
35 | /* Do nothing, just pass on packets unmodified. */ | |
36 | sr_spew("Received packet of type %d, passing on unmodified.", packet_in->type); | |
37 | *packet_out = packet_in; | |
38 | ||
39 | return SR_OK; | |
40 | } | |
41 | ||
42 | SR_PRIV struct sr_transform_module transform_nop = { | |
43 | .id = "nop", | |
44 | .name = "NOP", | |
45 | .desc = "Do nothing", | |
46 | .options = NULL, | |
47 | .init = NULL, | |
48 | .receive = receive, | |
49 | .cleanup = NULL, | |
50 | }; |