ion/atom+xml'/>
summaryrefslogtreecommitdiff
path: root/src/ipa/raspberrypi/md_parser.cpp
blob: d82c102c9e6516b392aa3792f597047559e2d305 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
/* SPDX-License-Identifier: BSD-2-Clause */
/*
 * Copyright (C) 2019, Raspberry Pi (Trading) Limited
 *
 * md_parser.cpp - image sensor metadata parsers
 */

#include <assert.h>
#include <map>
#include <string.h>

#include "md_parser.hpp"

using namespace RPiController;

// This function goes through the embedded data to find the offsets (not
// values!), in the data block, where the values of the given registers can
// subsequently be found.

// Embedded data tag bytes, from Sony IMX219 datasheet but general to all SMIA
// sensors, I think.

#define LINE_START 0x0a
#define LINE_END_TAG 0x07
#define REG_HI_BITS 0xaa
#define REG_LOW_BITS 0xa5
#define REG_VALUE 0x5a
#define REG_SKIP 0x55

MdParserSmia::ParseStatus MdParserSmia::findRegs(unsigned char *data,
						 uint32_t regs[], int offsets[],
						 unsigned int num_regs)
{
	assert(num_regs > 0);