1 /** @file
2 Generic remote Blyss DC5-UK-WH as sold by B&Q.
3
4 Copyright (C) 2016 John Jore
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 /**
12 Generic remote Blyss DC5-UK-WH as sold by B&Q.
13
14 DC5-UK-WH pair with receivers, the codes used may be specific to a receiver - use with caution
15
16 warmup pulse 5552 us, 2072 gap
17 short is 512 us pulse, 1484 us gap
18 long is 1508 us pulse, 488 us gap
19 packet gap is 6964 us
20
21 */
22 #include "decoder.h"
23
blyss_callback(r_device * decoder,bitbuffer_t * bitbuffer)24 static int blyss_callback(r_device *decoder, bitbuffer_t *bitbuffer)
25 {
26 data_t *data;
27 uint8_t *b;
28 char id_str[16];
29
30 for (int i = 0; i < bitbuffer->num_rows; ++i) {
31 if (bitbuffer->bits_per_row[i] != 33) // last row is 32
32 continue; // DECODE_ABORT_LENGTH
33
34 b = bitbuffer->bb[i];
35
36 //This needs additional validation, but works on mine. Suspect each DC5-UK-WH uses different codes as the transmitter
37 //is paired to the receivers to avoid being triggered by the neighbours transmitter ?!?
38 // TODO: cleaner implementation with 2 preamble arrays
39 if (((b[0] != 0xce) || (b[1] != 0x8e) || (b[2] != 0x2a) || (b[3] != 0x6c) || (b[4] != 0x80)) &&
40 ((b[0] != 0xe7) || (b[1] != 0x37) || (b[2] != 0x7a) || (b[3] != 0x2c) || (b[4] != 0x80)))
41 continue; // DECODE_ABORT_EARLY
42
43 sprintf(id_str, "%02x%02x%02x%02x", b[0], b[1], b[2], b[3]);
44
45 data = data_make(
46 "model", "", DATA_STRING, "Blyss-DC5ukwh",
47 "id", "", DATA_STRING, id_str,
48 NULL);
49 decoder_output_data(decoder, data);
50
51 return 1;
52 }
53
54 return DECODE_FAIL_SANITY;
55 }
56
57 static char *output_fields[] = {
58 "model",
59 "id",
60 NULL
61 };
62
63 r_device blyss = {
64 .name = "Blyss DC5-UK-WH",
65 .modulation = OOK_PULSE_PWM,
66 .short_width = 500,
67 .long_width = 1500,
68 .gap_limit = 2500,
69 .reset_limit = 8000,
70 .decode_fn = &blyss_callback,
71 .disabled = 0,
72 .fields = output_fields,
73 };
74