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flipperzero-firmware/lib/subghz/protocols/subghz_protocol_star_line.c

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Git: set git attributes to automatically manage line endings. (#771) * Git: set git attributes to automatically manage line endings. * Git: cleanup gitignore file
2021-10-17 22:54:19 +00:00
#include "subghz_protocol_star_line.h"
#include "subghz_protocol_keeloq_common.h"
#include "../subghz_keystore.h"
#include <furi.h>
#include <m-string.h>
#include <m-array.h>
struct SubGhzProtocolStarLine {
SubGhzProtocolCommon common;
SubGhzKeystore* keystore;
const char* manufacture_name;
};
typedef enum {
StarLineDecoderStepReset = 0,
StarLineDecoderStepCheckPreambula,
StarLineDecoderStepSaveDuration,
StarLineDecoderStepCheckDuration,
} StarLineDecoderStep;
SubGhzProtocolStarLine* subghz_protocol_star_line_alloc(SubGhzKeystore* keystore) {
[FL-2274] Inventing streams and moving FFF to them (#981) * Streams: string stream * String stream: updated insert/delete api * Streams: generic stream interface and string stream implementation * Streams: helpers for insert and delete_and_insert * FFF: now compatible with streams * MinUnit: introduced tests with arguments * FFF: stream access violation * Streams: copy data between streams * Streams: file stream * FFF: documentation * FFStream: documentation * FFF: alloc as file * MinUnit: support for nested tests * Streams: changed delete_and_insert, now it returns success flag. Added ability dump stream inner parameters and data to cout. * FFF: simplified file open function * Streams: unit tests * FFF: tests * Streams: declare cache_size constant as define, to allow variable modified arrays * FFF: lib moved to a separate folder * iButton: new FFF * RFID: new FFF * Animations: new FFF * IR: new FFF * NFC: new FFF * Flipper file format: delete lib * U2F: new FFF * Subghz: new FFF and streams * Streams: read line * Streams: split * FuriCore: implement memset with extra asserts * FuriCore: implement extra heap asserts without inventing memset * Scene manager: protected access to the scene id stack with a size check * NFC worker: dirty fix for issue where hal_nfc was busy on app start * Furi: update allocator to erase memory on allocation. Replace furi_alloc with malloc. * FuriCore: cleanup memmgr code. * Furi HAL: furi_hal_init is split into critical and non-critical parts. The critical part is currently clock and console. * Memmgr: added ability to track allocations and deallocations through console. * FFStream: some speedup * Streams, FF: minor fixes * Tests: restore * File stream: a slightly more thread-safe version of file_stream_delete_and_insert Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2022-02-18 19:53:46 +00:00
SubGhzProtocolStarLine* instance = malloc(sizeof(SubGhzProtocolStarLine));
Git: set git attributes to automatically manage line endings. (#771) * Git: set git attributes to automatically manage line endings. * Git: cleanup gitignore file
2021-10-17 22:54:19 +00:00
instance->keystore = keystore;
instance->common.name = "Star Line";
instance->common.code_min_count_bit_for_found = 64;
instance->common.te_short = 250;
instance->common.te_long = 500;
instance->common.te_delta = 120;
instance->common.type_protocol = SubGhzProtocolCommonTypeDynamic;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_star_line_to_str;
instance->common.to_load_protocol =
(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_star_line_to_load_protocol;
return instance;
}
void subghz_protocol_star_line_free(SubGhzProtocolStarLine* instance) {
furi_assert(instance);
free(instance);
}
const char* subghz_protocol_star_line_find_and_get_manufacture_name(void* context) {
SubGhzProtocolStarLine* instance = context;
subghz_protocol_star_line_check_remote_controller(instance);
return instance->manufacture_name;
}
const char* subghz_protocol_star_line_get_manufacture_name(void* context) {
SubGhzProtocolStarLine* instance = context;
return instance->manufacture_name;
}
/** Send bit
*
* @param instance - SubGhzProtocolStarLine instance
* @param bit - bit
*/
void subghz_protocol_star_line_send_bit(SubGhzProtocolStarLine* instance, uint8_t bit) {
if(bit) {
//send bit 1
SUBGHZ_TX_PIN_HIGH();
delay_us(instance->common.te_long);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_long);
} else {
//send bit 0
SUBGHZ_TX_PIN_HIGH();
delay_us(instance->common.te_short);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_short);
}
}
void subghz_protocol_star_line_send_key(
SubGhzProtocolStarLine* instance,
uint64_t key,
uint8_t bit,
uint8_t repeat) {
while(repeat--) {
//Send header
for(uint8_t i = 0; i < 6; i++) {
SUBGHZ_TX_PIN_HIGH();
delay_us(instance->common.te_long * 2);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_long * 2);
}
//Send Start bit ??????????
//Send key data
for(uint8_t i = bit; i > 0; i--) {
subghz_protocol_star_line_send_bit(instance, bit_read(key, i - 1));
}
//Send Stop bit ??????????
}
}
void subghz_protocol_star_line_reset(SubGhzProtocolStarLine* instance) {
instance->common.parser_step = StarLineDecoderStepReset;
}
/** Checking the accepted code against the database manafacture key
*
* @param instance SubGhzProtocolStarLine instance
* @param fix fix part of the parcel
* @param hop hop encrypted part of the parcel
* @return true on successful search
*/
uint8_t subghz_protocol_star_line_check_remote_controller_selector(
SubGhzProtocolStarLine* instance,
uint32_t fix,
uint32_t hop) {
uint16_t end_serial = (uint16_t)(fix & 0xFF);
uint8_t btn = (uint8_t)(fix >> 24);
uint32_t decrypt = 0;
uint64_t man_normal_learning;
for
M_EACH(manufacture_code, *subghz_keystore_get_data(instance->keystore), SubGhzKeyArray_t) {
switch(manufacture_code->type) {
case KEELOQ_LEARNING_SIMPLE:
//Simple Learning
decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
if((decrypt >> 24 == btn) &&
((((uint16_t)(decrypt >> 16)) & 0x00FF) == end_serial)) {
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
return 1;
}
break;
case KEELOQ_LEARNING_NORMAL:
// Normal_Learning
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
man_normal_learning =
subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man_normal_learning);
if((decrypt >> 24 == btn) &&
((((uint16_t)(decrypt >> 16)) & 0x00FF) == end_serial)) {
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
return 1;
}
break;
case KEELOQ_LEARNING_UNKNOWN:
// Simple Learning
decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
if((decrypt >> 24 == btn) &&
((((uint16_t)(decrypt >> 16)) & 0x00FF) == end_serial)) {
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
return 1;
}
// Check for mirrored man
uint64_t man_rev = 0;
uint64_t man_rev_byte = 0;
for(uint8_t i = 0; i < 64; i += 8) {
man_rev_byte = (uint8_t)(manufacture_code->key >> i);
man_rev = man_rev | man_rev_byte << (56 - i);
}
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man_rev);
if((decrypt >> 24 == btn) &&
((((uint16_t)(decrypt >> 16)) & 0x00FF) == end_serial)) {
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
return 1;
}
//###########################
// Normal_Learning
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
man_normal_learning =
subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man_normal_learning);
if((decrypt >> 24 == btn) &&
((((uint16_t)(decrypt >> 16)) & 0x00FF) == end_serial)) {
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
return 1;
}
// Check for mirrored man
man_rev = 0;
man_rev_byte = 0;
for(uint8_t i = 0; i < 64; i += 8) {
man_rev_byte = (uint8_t)(manufacture_code->key >> i);
man_rev = man_rev | man_rev_byte << (56 - i);
}
man_normal_learning = subghz_protocol_keeloq_common_normal_learning(fix, man_rev);
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man_normal_learning);
if((decrypt >> 24 == btn) &&
((((uint16_t)(decrypt >> 16)) & 0x00FF) == end_serial)) {
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
return 1;
}
break;
}
}
instance->manufacture_name = "Unknown";
instance->common.cnt = 0;
return 0;
}
/** Analysis of received data
*
* @param instance SubGhzProtocolStarLine instance
*/
void subghz_protocol_star_line_check_remote_controller(SubGhzProtocolStarLine* instance) {
uint64_t key = subghz_protocol_common_reverse_key(
instance->common.code_last_found, instance->common.code_last_count_bit);
uint32_t key_fix = key >> 32;
uint32_t key_hop = key & 0x00000000ffffffff;
subghz_protocol_star_line_check_remote_controller_selector(instance, key_fix, key_hop);
instance->common.serial = key_fix & 0x00FFFFFF;
instance->common.btn = key_fix >> 24;
}
void subghz_protocol_star_line_parse(
SubGhzProtocolStarLine* instance,
bool level,
uint32_t duration) {
switch(instance->common.parser_step) {
case StarLineDecoderStepReset:
if(level) {
if(DURATION_DIFF(duration, instance->common.te_long * 2) <
instance->common.te_delta * 2) {
instance->common.parser_step = StarLineDecoderStepCheckPreambula;
instance->common.header_count++;
} else if(instance->common.header_count > 4) {
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
instance->common.te_last = duration;
instance->common.parser_step = StarLineDecoderStepCheckDuration;
}
} else {
instance->common.header_count = 0;
}
break;
case StarLineDecoderStepCheckPreambula:
if((!level) && (DURATION_DIFF(duration, instance->common.te_long * 2) <
instance->common.te_delta * 2)) {
//Found Preambula
instance->common.parser_step = StarLineDecoderStepReset;
} else {
instance->common.header_count = 0;
instance->common.parser_step = StarLineDecoderStepReset;
}
break;
case StarLineDecoderStepSaveDuration:
if(level) {
if(duration >= (instance->common.te_long + instance->common.te_delta)) {
instance->common.parser_step = StarLineDecoderStepReset;
if(instance->common.code_count_bit >=
instance->common.code_min_count_bit_for_found) {
if(instance->common.code_last_found != instance->common.code_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 = 0;
instance->common.header_count = 0;
break;
} else {
instance->common.te_last = duration;
instance->common.parser_step = StarLineDecoderStepCheckDuration;
}
} else {
instance->common.parser_step = StarLineDecoderStepReset;
}
break;
case StarLineDecoderStepCheckDuration:
if(!level) {
if((DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
instance->common.te_delta) &&
(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 0);
instance->common.parser_step = StarLineDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(instance->common.te_last, instance->common.te_long) <
instance->common.te_delta) &&
(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 1);
instance->common.parser_step = StarLineDecoderStepSaveDuration;
} else {
instance->common.parser_step = StarLineDecoderStepReset;
}
} else {
instance->common.parser_step = StarLineDecoderStepReset;
}
break;
}
}
void subghz_protocol_star_line_to_str(SubGhzProtocolStarLine* instance, string_t output) {
subghz_protocol_star_line_check_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;
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_hi = code_found_reverse >> 32;
uint32_t code_found_reverse_lo = code_found_reverse & 0x00000000ffffffff;
string_cat_printf(
output,
"%s %dbit\r\n"
"Key:%08lX%08lX\r\n"
"Fix:0x%08lX Cnt:%04X\r\n"
"Hop:0x%08lX Btn:%02lX\r\n"
"MF:%s\r\n"
"Sn:0x%07lX \r\n",
instance->common.name,
instance->common.code_last_count_bit,
code_found_hi,
code_found_lo,
code_found_reverse_hi,
instance->common.cnt,
code_found_reverse_lo,
instance->common.btn,
instance->manufacture_name,
instance->common.serial);
}
void subghz_decoder_star_line_to_load_protocol(SubGhzProtocolStarLine* 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_star_line_check_remote_controller(instance);
[FL-2274] Inventing streams and moving FFF to them (#981) * Streams: string stream * String stream: updated insert/delete api * Streams: generic stream interface and string stream implementation * Streams: helpers for insert and delete_and_insert * FFF: now compatible with streams * MinUnit: introduced tests with arguments * FFF: stream access violation * Streams: copy data between streams * Streams: file stream * FFF: documentation * FFStream: documentation * FFF: alloc as file * MinUnit: support for nested tests * Streams: changed delete_and_insert, now it returns success flag. Added ability dump stream inner parameters and data to cout. * FFF: simplified file open function * Streams: unit tests * FFF: tests * Streams: declare cache_size constant as define, to allow variable modified arrays * FFF: lib moved to a separate folder * iButton: new FFF * RFID: new FFF * Animations: new FFF * IR: new FFF * NFC: new FFF * Flipper file format: delete lib * U2F: new FFF * Subghz: new FFF and streams * Streams: read line * Streams: split * FuriCore: implement memset with extra asserts * FuriCore: implement extra heap asserts without inventing memset * Scene manager: protected access to the scene id stack with a size check * NFC worker: dirty fix for issue where hal_nfc was busy on app start * Furi: update allocator to erase memory on allocation. Replace furi_alloc with malloc. * FuriCore: cleanup memmgr code. * Furi HAL: furi_hal_init is split into critical and non-critical parts. The critical part is currently clock and console. * Memmgr: added ability to track allocations and deallocations through console. * FFStream: some speedup * Streams, FF: minor fixes * Tests: restore * File stream: a slightly more thread-safe version of file_stream_delete_and_insert Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2022-02-18 19:53:46 +00:00
}
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