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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
#include "factoryinfo.h"
#include <QRegExp>
#include "debug.h"
#define FACTORYINFO_NAME_SIZE 8
#define FACTORYINFO_V1_MAGIC 0xbabe
namespace Flipper {
namespace Zero {
#pragma pack(push,1)
struct OTPV0 {
const uint8_t version;
const uint8_t target;
const uint8_t body;
const uint8_t connect;
const uint32_t timestamp;
const char name[FACTORYINFO_NAME_SIZE];
};
struct OTPHeader {
const uint16_t magic;
const uint8_t format;
const uint8_t reserved;
const uint32_t timestamp;
};
struct OTPV1 {
const OTPHeader header;
const uint8_t version;
const uint8_t target;
const uint8_t body;
const uint8_t connect;
const uint8_t color;
const uint8_t region;
const uint16_t reserved;
const char name[FACTORYINFO_NAME_SIZE];
};
struct OTPV2 {
const OTPHeader header;
const uint8_t version;
const uint8_t target;
const uint8_t body;
const uint8_t connect;
const uint8_t display;
const uint8_t reserved1;
const uint16_t reserved2;
const uint8_t color;
const uint8_t region;
const uint16_t reserved3;
const uint32_t reserved4;
const char name[FACTORYINFO_NAME_SIZE];
};
#pragma pack(pop)
static_assert(sizeof(OTPV0) == 16, "Check struct packing for OTPv0");
static_assert(sizeof(OTPV1) == 24, "Check struct packing for OTPv1");
static_assert(sizeof(OTPV2) == 32, "Check struct packing for OTPv2");
#define FACTORYINFO_SIZE (sizeof(OTPV2))
FactoryInfo::FactoryInfo(const QByteArray &data):
m_isValid(false),
m_format(0),
m_color(Color::Unknown),
m_region(Region::Dev)
{
check_return_void(data.size() == FACTORYINFO_SIZE, "Bad data size");
check_return_void(data != QByteArray(FACTORYINFO_SIZE, '\xff'), "Data seems to be unprogrammed");
auto *header = (OTPHeader*)(data.data());
if(header->magic == FACTORYINFO_V1_MAGIC) {
if(header->format == 1) {
parseV1(data);
} else if(header->format == 2) {
parseV2(data);
} else {
error_msg("Unsupported OTP version");
return;
}
} else {
parseV0(data);
}
QRegExp ascii("[^A-Za-z0-9.]");
check_return_void(ascii.indexIn(m_name) < 0, "Illegal character in the device name");
m_isValid = true;
}
qint64 FactoryInfo::size()
{
return FACTORYINFO_SIZE;
}
bool FactoryInfo::isValid() const
{
return m_isValid;
}
uint8_t FactoryInfo::format() const
{
return m_format;
}
uint8_t FactoryInfo::version() const
{
return m_version;
}
uint8_t FactoryInfo::target() const
{
return m_target;
}
uint8_t FactoryInfo::body() const
{
return m_body;
}
uint8_t FactoryInfo::connect() const
{
return m_connect;
}
const QString &FactoryInfo::name() const
{
return m_name;
}
Color FactoryInfo::color() const
{
return m_color;
}
Region FactoryInfo::region() const
{
return m_region;
}
size_t FactoryInfo::strnLen(const char *str, size_t maxlen)
{
for(size_t i = 0; i < maxlen; ++i) {
if(!str[i]) return i;
}
return maxlen;
}
void FactoryInfo::parseV0(const QByteArray &data)
{
const auto *otp = (OTPV0*)(data.data());
m_version = otp->version;
m_target = otp->target;
m_body = otp->body;
m_connect = otp->connect;
m_date = otp->timestamp;
m_name = QString::fromLatin1(otp->name, (int)strnLen(otp->name, FACTORYINFO_NAME_SIZE));
}
void FactoryInfo::parseV1(const QByteArray &data)
{
const auto *otp = (OTPV1*)(data.data());
m_version = otp->version;
m_target = otp->target;
m_body = otp->body;
m_connect = otp->connect;
m_date = otp->header.timestamp;
m_name = QString::fromLatin1(otp->name, (int)strnLen(otp->name, FACTORYINFO_NAME_SIZE));
m_format = otp->header.format;
m_color = (Color)otp->color;
m_region = (Region)otp->region;
}
void FactoryInfo::parseV2(const QByteArray &data)
{
const auto *otp = (OTPV2*)(data.data());
m_version = otp->version;
m_target = otp->target;
m_body = otp->body;
m_connect = otp->connect;
m_date = otp->header.timestamp;
m_name = QString::fromLatin1(otp->name, (int)strnLen(otp->name, FACTORYINFO_NAME_SIZE));
m_format = otp->header.format;
m_color = (Color)otp->color;
m_region = (Region)otp->region;
}
qint64 FactoryInfo::date() const
{
return m_date;
}
}}
|
