flipperzero-firmware/lib/fl_subghz/protocols/subghz_protocol_nero_sketch.c

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#include "subghz_protocol_nero_sketch.h"
struct SubGhzProtocolNeroSketch {
SubGhzProtocolCommon common;
};
SubGhzProtocolNeroSketch* subghz_protocol_nero_sketch_alloc(void) {
SubGhzProtocolNeroSketch* instance = furi_alloc(sizeof(SubGhzProtocolNeroSketch));
instance->common.name = "Nero Sketch";
instance->common.code_min_count_bit_for_found = 40;
instance->common.te_shot = 330;
instance->common.te_long = 660;
instance->common.te_delta = 150;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_nero_sketch_to_str;
return instance;
}
void subghz_protocol_nero_sketch_free(SubGhzProtocolNeroSketch* instance) {
furi_assert(instance);
free(instance);
}
/** Send bit
*
* @param instance - SubGhzProtocolNeroSketch instance
* @param bit - bit
*/
void subghz_protocol_nero_sketch_send_bit(SubGhzProtocolNeroSketch* instance, uint8_t bit) {
if (bit) {
//send bit 1
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_long);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot);
} else {
//send bit 0
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_long);
}
}
void subghz_protocol_nero_sketch_send_key(SubGhzProtocolNeroSketch* instance, uint64_t key, uint8_t bit,uint8_t repeat) {
while (repeat--) {
//Send header
for(uint8_t i = 0; i < 47; i++){
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot);
}
//Send start bit
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot*4);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot);
//Send key data
for (uint8_t i = bit; i > 0; i--) {
subghz_protocol_nero_sketch_send_bit(instance, bit_read(key, i - 1));
}
//Send stop bit
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot*3);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot);
}
}
void subghz_protocol_nero_sketch_reset(SubGhzProtocolNeroSketch* instance) {
instance->common.parser_step = 0;
}
/** Analysis of received data
*
* @param instance SubGhzProtocolNeroSketch instance
*/
void subghz_protocol_nero_sketch_check_remote_controller(SubGhzProtocolNeroSketch* instance) {
//пока не понятно с серийником, но код статический
// uint64_t code_found_reverse = subghz_protocol_common_reverse_key(instance->common.code_found, instance->common.code_count_bit);
// uint32_t code_fix = code_found_reverse & 0xFFFFFFFF;
// //uint32_t code_hop = (code_found_reverse >> 24) & 0xFFFFF;
// instance->common.serial = code_fix & 0xFFFFFFF;
// instance->common.btn = (code_fix >> 28) & 0x0F;
if (instance->common.callback) instance->common.callback((SubGhzProtocolCommon*)instance, instance->common.context);
}
void subghz_protocol_nero_sketch_parse(SubGhzProtocolNeroSketch* instance, bool level, uint32_t duration) {
switch (instance->common.parser_step) {
case 0:
if ((level)
&& (DURATION_DIFF(duration,instance->common.te_shot)< instance->common.te_delta)) {
instance->common.parser_step = 1;
instance->common.te_last = duration;
instance->common.header_count = 0;
} else {
instance->common.parser_step = 0;
}
break;
case 1:
if (level){
if((DURATION_DIFF(duration,instance->common.te_shot)< instance->common.te_delta )
|| (DURATION_DIFF(duration,instance->common.te_shot*4)< instance->common.te_delta)) {
instance->common.te_last = duration;
} else {
instance->common.parser_step = 0;
}
} else if(DURATION_DIFF(duration,instance->common.te_shot)< instance->common.te_delta){
if(DURATION_DIFF(instance->common.te_last,instance->common.te_shot)< instance->common.te_delta){
// Found header
instance->common.header_count++;
break;
}else if(DURATION_DIFF(instance->common.te_last,instance->common.te_shot*4)< instance->common.te_delta){
// Found start bit
if(instance->common.header_count>40) {
instance->common.parser_step = 2;
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
}else {
instance->common.parser_step = 0;
}
} else {
instance->common.parser_step = 0;
}
} else {
instance->common.parser_step = 0;
}
break;
case 2:
if (level) {
if (duration >= (instance->common.te_shot * 2 + instance->common.te_delta*2)) {
//Found stop bit
instance->common.parser_step = 0;
if (instance->common.code_count_bit>= instance->common.code_min_count_bit_for_found) {
subghz_protocol_nero_sketch_check_remote_controller(instance);
}
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
break;
} else {
instance->common.te_last = duration;
instance->common.parser_step = 3;
}
}else{
instance->common.parser_step = 0;
}
break;
case 3:
if(!level){
if ((DURATION_DIFF(instance->common.te_last,instance->common.te_shot)< 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 = 2;
} else if ((DURATION_DIFF(instance->common.te_last,instance->common.te_long )< instance->common.te_delta)
&& (DURATION_DIFF(duration,instance->common.te_shot)< instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 1);
instance->common.parser_step = 2;
} else {
instance->common.parser_step = 0;
}
} else {
instance->common.parser_step = 0;
}
break;
}
}
void subghz_protocol_nero_sketch_to_str(SubGhzProtocolNeroSketch* instance, string_t output) {
uint32_t code_found_hi = instance->common.code_found >> 32;
uint32_t code_found_lo = instance->common.code_found & 0x00000000ffffffff;
uint64_t code_found_reverse = subghz_protocol_common_reverse_key(instance->common.code_found, instance->common.code_count_bit);
uint32_t code_found_reverse_hi = code_found_reverse>>32;
uint32_t code_found_reverse_lo = code_found_reverse&0x00000000ffffffff;
//uint32_t rev_hi =
string_cat_printf(output,
"Protocol %s, %d Bit\r\n"
" KEY:0x%lX%08lX\r\n"
" YEK:0x%lX%08lX\r\n",
instance->common.name,
instance->common.code_count_bit,
code_found_hi,
code_found_lo,
code_found_reverse_hi,
code_found_reverse_lo
);
}