389ff92cc1
* Makefile, Scripts: new linter * About: remove ID from IC * Firmware: remove double define for DIVC/DIVR * Scripts: check folder names too. Docker: replace syntax check with make lint. * Reformat Sources and Migrate to new file naming convention * Docker: symlink clang-format-12 to clang-format * Add coding style guide
265 lines
9.6 KiB
C
265 lines
9.6 KiB
C
#include "subghz_protocol_came_atomo.h"
|
||
#include "subghz_protocol_common.h"
|
||
#include <lib/toolbox/manchester_decoder.h>
|
||
#include "../subghz_keystore.h"
|
||
|
||
#define TAG "SubGhzCameAtomo"
|
||
|
||
#define SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE 0xFFFFFFFFFFFFFFFF
|
||
|
||
struct SubGhzProtocolCameAtomo {
|
||
SubGhzProtocolCommon common;
|
||
ManchesterState manchester_saved_state;
|
||
const char* rainbow_table_file_name;
|
||
};
|
||
|
||
typedef enum {
|
||
CameAtomoDecoderStepReset = 0,
|
||
CameAtomoDecoderStepDecoderData,
|
||
} CameAtomoDecoderStep;
|
||
|
||
SubGhzProtocolCameAtomo* subghz_protocol_came_atomo_alloc() {
|
||
SubGhzProtocolCameAtomo* instance = furi_alloc(sizeof(SubGhzProtocolCameAtomo));
|
||
|
||
instance->common.name = "CAME Atomo";
|
||
instance->common.code_min_count_bit_for_found = 62;
|
||
instance->common.te_short = 600;
|
||
instance->common.te_long = 1200;
|
||
instance->common.te_delta = 250;
|
||
instance->common.type_protocol = SubGhzProtocolCommonTypeDynamic;
|
||
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_came_atomo_to_str;
|
||
instance->common.to_load_protocol =
|
||
(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_came_atomo_to_load_protocol;
|
||
|
||
return instance;
|
||
}
|
||
|
||
void subghz_protocol_came_atomo_free(SubGhzProtocolCameAtomo* instance) {
|
||
furi_assert(instance);
|
||
free(instance);
|
||
}
|
||
|
||
void subghz_protocol_came_atomo_name_file(SubGhzProtocolCameAtomo* instance, const char* name) {
|
||
instance->rainbow_table_file_name = name;
|
||
FURI_LOG_I(TAG, "Loading rainbow table from %s", name);
|
||
}
|
||
|
||
/** Read bytes from rainbow table
|
||
*
|
||
* @param instance - SubGhzProtocolCameAtomo* instance
|
||
* @param number_atomo_magic_xor
|
||
* @return atomo_magic_xor
|
||
*/
|
||
uint64_t subghz_came_atomo_get_atomo_magic_xor_in_file(
|
||
SubGhzProtocolCameAtomo* instance,
|
||
uint8_t number_atomo_magic_xor) {
|
||
if(!strcmp(instance->rainbow_table_file_name, "")) return SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
|
||
|
||
uint8_t buffer[sizeof(uint64_t)] = {0};
|
||
uint32_t address = number_atomo_magic_xor * sizeof(uint64_t);
|
||
uint64_t atomo_magic_xor = 0;
|
||
|
||
if(subghz_keystore_raw_get_data(
|
||
instance->rainbow_table_file_name, address, buffer, sizeof(uint64_t))) {
|
||
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
||
atomo_magic_xor = (atomo_magic_xor << 8) | buffer[i];
|
||
}
|
||
} else {
|
||
atomo_magic_xor = SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
|
||
}
|
||
return atomo_magic_xor;
|
||
}
|
||
|
||
/** Analysis of received data
|
||
*
|
||
* @param instance SubGhzProtocolCameAtomo instance
|
||
*/
|
||
void subghz_protocol_came_atomo_remote_controller(SubGhzProtocolCameAtomo* instance) {
|
||
/*
|
||
* 0x1fafef3ed0f7d9ef
|
||
* 0x185fcc1531ee86e7
|
||
* 0x184fa96912c567ff
|
||
* 0x187f8a42f3dc38f7
|
||
* 0x186f63915492a5cd
|
||
* 0x181f40bab58bfac5
|
||
* 0x180f25c696a01bdd
|
||
* 0x183f06ed77b944d5
|
||
* 0x182ef661d83d21a9
|
||
* 0x18ded54a39247ea1
|
||
* 0x18ceb0361a0f9fb9
|
||
* 0x18fe931dfb16c0b1
|
||
* 0x18ee7ace5c585d8b
|
||
* ........
|
||
* transmission consists of 99 parcels with increasing counter while holding down the button
|
||
* with each new press, the counter in the encrypted part increases
|
||
*
|
||
* 0x1FAFF13ED0F7D9EF
|
||
* 0x1FAFF11ED0F7D9EF
|
||
* 0x1FAFF10ED0F7D9EF
|
||
* 0x1FAFF0FED0F7D9EF
|
||
* 0x1FAFF0EED0F7D9EF
|
||
* 0x1FAFF0DED0F7D9EF
|
||
* 0x1FAFF0CED0F7D9EF
|
||
* 0x1FAFF0BED0F7D9EF
|
||
* 0x1FAFF0AED0F7D9EF
|
||
*
|
||
* where 0x1FAF - parcel counter, 0хF0A - button press counter,
|
||
* 0xED0F7D9E - serial number, 0хF - key
|
||
* 0x1FAF parcel counter - 1 in the parcel queue ^ 0x185F = 0x07F0
|
||
* 0x185f ^ 0x185F = 0x0000
|
||
* 0x184f ^ 0x185F = 0x0010
|
||
* 0x187f ^ 0x185F = 0x0020
|
||
* .....
|
||
* 0x182e ^ 0x185F = 0x0071
|
||
* 0x18de ^ 0x185F = 0x0081
|
||
* .....
|
||
* 0x1e43 ^ 0x185F = 0x061C
|
||
* where the last nibble is incremented every 8 samples
|
||
*
|
||
* Decode
|
||
*
|
||
* 0x1cf6931dfb16c0b1 => 0x1cf6
|
||
* 0x1cf6 ^ 0x185F = 0x04A9
|
||
* 0x04A9 => 0x04A = 74 (dec)
|
||
* 74+1 % 32(atomo_magic_xor) = 11
|
||
* GET atomo_magic_xor[11] = 0xXXXXXXXXXXXXXXXX
|
||
* 0x931dfb16c0b1 ^ 0xXXXXXXXXXXXXXXXX = 0xEF3ED0F7D9EF
|
||
* 0xEF3 ED0F7D9E F => 0xEF3 - CNT, 0xED0F7D9E - SN, 0xF - key
|
||
*
|
||
* */
|
||
|
||
uint16_t parcel_counter = instance->common.code_last_found >> 48;
|
||
parcel_counter = parcel_counter ^ 0x185F;
|
||
parcel_counter >>= 4;
|
||
uint8_t ind = (parcel_counter + 1) % 32;
|
||
uint64_t temp_data = instance->common.code_last_found & 0x0000FFFFFFFFFFFF;
|
||
uint64_t atomo_magic_xor = subghz_came_atomo_get_atomo_magic_xor_in_file(instance, ind);
|
||
|
||
if(atomo_magic_xor != SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE) {
|
||
temp_data = temp_data ^ atomo_magic_xor;
|
||
instance->common.cnt = temp_data >> 36;
|
||
instance->common.serial = (temp_data >> 4) & 0x000FFFFFFFF;
|
||
instance->common.btn = temp_data & 0xF;
|
||
} else {
|
||
instance->common.cnt = 0;
|
||
instance->common.serial = 0;
|
||
instance->common.btn = 0;
|
||
}
|
||
}
|
||
|
||
void subghz_protocol_came_atomo_reset(SubGhzProtocolCameAtomo* instance) {
|
||
instance->common.parser_step = CameAtomoDecoderStepReset;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
}
|
||
|
||
void subghz_protocol_came_atomo_parse(
|
||
SubGhzProtocolCameAtomo* instance,
|
||
bool level,
|
||
uint32_t duration) {
|
||
ManchesterEvent event = ManchesterEventReset;
|
||
switch(instance->common.parser_step) {
|
||
case CameAtomoDecoderStepReset:
|
||
if((!level) && (DURATION_DIFF(duration, instance->common.te_long * 65) <
|
||
instance->common.te_delta * 20)) {
|
||
//Found header CAME
|
||
instance->common.parser_step = CameAtomoDecoderStepDecoderData;
|
||
instance->common.code_found = 0;
|
||
instance->common.code_count_bit = 1;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventShortLow,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
}
|
||
break;
|
||
case CameAtomoDecoderStepDecoderData:
|
||
if(!level) {
|
||
if(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta) {
|
||
event = ManchesterEventShortLow;
|
||
} else if(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta) {
|
||
event = ManchesterEventLongLow;
|
||
} else if(duration >= (instance->common.te_long * 2 + instance->common.te_delta)) {
|
||
if(instance->common.code_count_bit ==
|
||
instance->common.code_min_count_bit_for_found) {
|
||
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);
|
||
}
|
||
instance->common.code_found = 0;
|
||
instance->common.code_count_bit = 1;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventShortLow,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
} else {
|
||
instance->common.parser_step = CameAtomoDecoderStepReset;
|
||
}
|
||
} else {
|
||
if(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta) {
|
||
event = ManchesterEventShortHigh;
|
||
} else if(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta) {
|
||
event = ManchesterEventLongHigh;
|
||
} else {
|
||
instance->common.parser_step = CameAtomoDecoderStepReset;
|
||
}
|
||
}
|
||
if(event != ManchesterEventReset) {
|
||
bool data;
|
||
bool data_ok = manchester_advance(
|
||
instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
|
||
|
||
if(data_ok) {
|
||
instance->common.code_found = (instance->common.code_found << 1) | !data;
|
||
instance->common.code_count_bit++;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
void subghz_protocol_came_atomo_to_str(SubGhzProtocolCameAtomo* instance, string_t output) {
|
||
subghz_protocol_came_atomo_remote_controller(instance);
|
||
uint32_t code_found_hi = instance->common.code_last_found >> 32;
|
||
uint32_t code_found_lo = instance->common.code_last_found & 0x00000000ffffffff;
|
||
|
||
string_cat_printf(
|
||
output,
|
||
"%s %db\r\n"
|
||
"Key:0x%lX%08lX\r\n"
|
||
"Sn:0x%08lX Btn:0x%01X\r\n"
|
||
"Cnt:0x%03X\r\n",
|
||
|
||
instance->common.name,
|
||
instance->common.code_last_count_bit,
|
||
code_found_hi,
|
||
code_found_lo,
|
||
instance->common.serial,
|
||
instance->common.btn,
|
||
instance->common.cnt);
|
||
}
|
||
|
||
void subghz_decoder_came_atomo_to_load_protocol(SubGhzProtocolCameAtomo* 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;
|
||
subghz_protocol_came_atomo_remote_controller(instance);
|
||
}
|