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
|
#include "subghz_protocol_came.h"
#include "subghz_protocol_common.h"
/*
* Help
* https://phreakerclub.com/447
*
*/
struct SubGhzProtocolCame {
SubGhzProtocolCommon common;
};
typedef enum {
CameDecoderStepReset = 0,
CameDecoderStepFoundStartBit,
CameDecoderStepSaveDuration,
CameDecoderStepCheckDuration,
} CameDecoderStep;
SubGhzProtocolCame* subghz_protocol_came_alloc() {
SubGhzProtocolCame* instance = malloc(sizeof(SubGhzProtocolCame));
instance->common.name = "CAME";
instance->common.code_min_count_bit_for_found = 12;
instance->common.te_short = 320;
instance->common.te_long = 640;
instance->common.te_delta = 150;
instance->common.type_protocol = SubGhzProtocolCommonTypeStatic;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_came_to_str;
instance->common.to_save_file =
(SubGhzProtocolCommonSaveFile)subghz_protocol_came_to_save_file;
instance->common.to_load_protocol_from_file =
(SubGhzProtocolCommonLoadFromFile)subghz_protocol_came_to_load_protocol_from_file;
instance->common.to_load_protocol =
(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_came_to_load_protocol;
instance->common.get_upload_protocol =
(SubGhzProtocolCommonEncoderGetUpLoad)subghz_protocol_came_send_key;
return instance;
}
void subghz_protocol_came_free(SubGhzProtocolCame* instance) {
furi_assert(instance);
free(instance);
}
bool subghz_protocol_came_send_key(
SubGhzProtocolCame* instance,
SubGhzProtocolCommonEncoder* encoder) {
furi_assert(instance);
furi_assert(encoder);
size_t index = 0;
encoder->size_upload = (instance->common.code_last_count_bit * 2) + 2;
if(encoder->size_upload > SUBGHZ_ENCODER_UPLOAD_MAX_SIZE) return false;
//Send header
encoder->upload[index++] =
level_duration_make(false, (uint32_t)instance->common.te_short * 36);
//Send start bit
encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->common.te_short);
//Send key data
for(uint8_t i = instance->common.code_last_count_bit; i > 0; i--) {
if(bit_read(instance->common.code_last_found, i - 1)) {
//send bit 1
encoder->upload[index++] =
level_duration_make(false, (uint32_t)instance->common.te_long);
encoder->upload[index++] =
level_duration_make(true, (uint32_t)instance->common.te_short);
} else {
//send bit 0
encoder->upload[index++] =
level_duration_make(false, (uint32_t)instance->common.te_short);
encoder->upload[index++] =
level_duration_make(true, (uint32_t)instance->common.te_long);
}
}
return true;
}
void subghz_protocol_came_reset(SubGhzProtocolCame* instance) {
instance->common.parser_step = CameDecoderStepReset;
}
void subghz_protocol_came_parse(SubGhzProtocolCame* instance, bool level, uint32_t duration) {
switch(instance->common.parser_step) {
case CameDecoderStepReset:
if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 51) <
instance->common.te_delta * 51)) { //Need protocol 36 te_short
//Found header CAME
instance->common.parser_step = CameDecoderStepFoundStartBit;
}
break;
case CameDecoderStepFoundStartBit:
if(!level) {
break;
} else if(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta) {
//Found start bit CAME
instance->common.parser_step = CameDecoderStepSaveDuration;
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
} else {
instance->common.parser_step = CameDecoderStepReset;
}
break;
case CameDecoderStepSaveDuration:
if(!level) { //save interval
if(duration >= (instance->common.te_short * 4)) {
instance->common.parser_step = CameDecoderStepFoundStartBit;
if(instance->common.code_count_bit >=
instance->common.code_min_count_bit_for_found) {
instance->common.serial = 0x0;
instance->common.btn = 0x0;
instance->common.code_last_found = instance->common.code_found;
instance->common.code_last_count_bit = instance->common.code_count_bit;
if(instance->common.callback)
instance->common.callback(
(SubGhzProtocolCommon*)instance, instance->common.context);
}
break;
}
instance->common.te_last = duration;
instance->common.parser_step = CameDecoderStepCheckDuration;
} else {
instance->common.parser_step = CameDecoderStepReset;
}
break;
case CameDecoderStepCheckDuration:
if(level) {
if((DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
instance->common.te_delta) &&
(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 0);
instance->common.parser_step = CameDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(instance->common.te_last, instance->common.te_long) <
instance->common.te_delta) &&
(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 1);
instance->common.parser_step = CameDecoderStepSaveDuration;
} else
instance->common.parser_step = CameDecoderStepReset;
} else {
instance->common.parser_step = CameDecoderStepReset;
}
break;
}
}
void subghz_protocol_came_to_str(SubGhzProtocolCame* instance, string_t output) {
uint32_t code_found_lo = instance->common.code_last_found & 0x00000000ffffffff;
uint64_t code_found_reverse = subghz_protocol_common_reverse_key(
instance->common.code_last_found, instance->common.code_last_count_bit);
uint32_t code_found_reverse_lo = code_found_reverse & 0x00000000ffffffff;
string_cat_printf(
output,
"%s %dbit\r\n"
"Key:0x%08lX\r\n"
"Yek:0x%08lX\r\n",
instance->common.name,
instance->common.code_last_count_bit,
code_found_lo,
code_found_reverse_lo);
}
bool subghz_protocol_came_to_save_file(SubGhzProtocolCame* instance, FlipperFormat* flipper_format) {
return subghz_protocol_common_to_save_file((SubGhzProtocolCommon*)instance, flipper_format);
}
bool subghz_protocol_came_to_load_protocol_from_file(
FlipperFormat* flipper_format,
SubGhzProtocolCame* instance,
const char* file_path) {
return subghz_protocol_common_to_load_protocol_from_file(
(SubGhzProtocolCommon*)instance, flipper_format);
}
void subghz_decoder_came_to_load_protocol(SubGhzProtocolCame* instance, void* context) {
furi_assert(context);
furi_assert(instance);
SubGhzProtocolCommonLoad* data = context;
instance->common.code_last_found = data->code_found;
instance->common.code_last_count_bit = data->code_count_bit;
}
|
