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#include "subghz_protocol_nero_radio.h"
struct SubGhzProtocolNeroRadio {
SubGhzProtocolCommon common;
};
typedef enum {
NeroRadioDecoderStepReset = 0,
NeroRadioDecoderStepCheckPreambula,
NeroRadioDecoderStepSaveDuration,
NeroRadioDecoderStepCheckDuration,
} NeroRadioDecoderStep;
SubGhzProtocolNeroRadio* subghz_protocol_nero_radio_alloc(void) {
SubGhzProtocolNeroRadio* instance = furi_alloc(sizeof(SubGhzProtocolNeroRadio));
instance->common.name = "Nero Radio";
instance->common.code_min_count_bit_for_found = 55;
instance->common.te_short = 200;
instance->common.te_long = 400;
instance->common.te_delta = 80;
instance->common.type_protocol = SubGhzProtocolCommonTypeStatic;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_nero_radio_to_str;
instance->common.to_save_file =
(SubGhzProtocolCommonSaveFile)subghz_protocol_nero_radio_to_save_file;
instance->common.to_load_protocol_from_file =
(SubGhzProtocolCommonLoadFromFile)subghz_protocol_nero_radio_to_load_protocol_from_file;
instance->common.to_load_protocol =
(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_nero_radio_to_load_protocol;
instance->common.get_upload_protocol =
(SubGhzProtocolCommonEncoderGetUpLoad)subghz_protocol_nero_radio_send_key;
return instance;
}
void subghz_protocol_nero_radio_free(SubGhzProtocolNeroRadio* instance) {
furi_assert(instance);
free(instance);
}
bool subghz_protocol_nero_radio_send_key(
SubGhzProtocolNeroRadio* instance,
SubGhzProtocolCommonEncoder* encoder) {
furi_assert(instance);
furi_assert(encoder);
size_t index = 0;
encoder->size_upload = 2 + 47 * 2 + 2 + (instance->common.code_last_count_bit * 2);
if(encoder->size_upload > SUBGHZ_ENCODER_UPLOAD_MAX_SIZE) return false;
//Send header
encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->common.te_short);
encoder->upload[index++] =
level_duration_make(false, (uint32_t)instance->common.te_short * 37);
for(uint8_t i = 0; i < 47; i++) {
encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->common.te_short);
encoder->upload[index++] = level_duration_make(false, (uint32_t)instance->common.te_short);
}
//Send start bit
encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->common.te_short * 4);
encoder->upload[index++] = level_duration_make(false, (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(true, (uint32_t)instance->common.te_long);
encoder->upload[index++] =
level_duration_make(false, (uint32_t)instance->common.te_short);
} else {
//send bit 0
encoder->upload[index++] =
level_duration_make(true, (uint32_t)instance->common.te_short);
encoder->upload[index++] =
level_duration_make(false, (uint32_t)instance->common.te_long);
}
}
return true;
}
void subghz_protocol_nero_radio_reset(SubGhzProtocolNeroRadio* instance) {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
void subghz_protocol_nero_radio_parse(
SubGhzProtocolNeroRadio* instance,
bool level,
uint32_t duration) {
switch(instance->common.parser_step) {
case NeroRadioDecoderStepReset:
if((level) &&
(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
instance->common.parser_step = NeroRadioDecoderStepCheckPreambula;
instance->common.te_last = duration;
instance->common.header_count = 0;
}
break;
case NeroRadioDecoderStepCheckPreambula:
if(level) {
if((DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta) ||
(DURATION_DIFF(duration, instance->common.te_short * 4) <
instance->common.te_delta)) {
instance->common.te_last = duration;
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
} else if(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta) {
if(DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
instance->common.te_delta) {
// Found header
instance->common.header_count++;
break;
} else if(
DURATION_DIFF(instance->common.te_last, instance->common.te_short * 4) <
instance->common.te_delta) {
// Found start bit
if(instance->common.header_count > 40) {
instance->common.parser_step = NeroRadioDecoderStepSaveDuration;
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
break;
case NeroRadioDecoderStepSaveDuration:
if(level) {
instance->common.te_last = duration;
instance->common.parser_step = NeroRadioDecoderStepCheckDuration;
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
break;
case NeroRadioDecoderStepCheckDuration:
if(!level) {
if(duration >= (instance->common.te_short * 10 + instance->common.te_delta * 2)) {
//Found stop bit
if(DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
instance->common.te_delta) {
subghz_protocol_common_add_bit(&instance->common, 0);
} else if(
DURATION_DIFF(instance->common.te_last, instance->common.te_long) <
instance->common.te_delta) {
subghz_protocol_common_add_bit(&instance->common, 1);
}
instance->common.parser_step = NeroRadioDecoderStepReset;
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 = 0;
instance->common.parser_step = NeroRadioDecoderStepReset;
break;
} else 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 = NeroRadioDecoderStepSaveDuration;
} 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 = NeroRadioDecoderStepSaveDuration;
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
} else {
instance->common.parser_step = NeroRadioDecoderStepReset;
}
break;
}
}
void subghz_protocol_nero_radio_to_str(SubGhzProtocolNeroRadio* instance, string_t output) {
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:0x%lX%08lX\r\n"
"Yek:0x%lX%08lX\r\n",
instance->common.name,
instance->common.code_last_count_bit,
code_found_hi,
code_found_lo,
code_found_reverse_hi,
code_found_reverse_lo);
}
bool subghz_protocol_nero_radio_to_save_file(
SubGhzProtocolNeroRadio* instance,
FlipperFile* flipper_file) {
return subghz_protocol_common_to_save_file((SubGhzProtocolCommon*)instance, flipper_file);
}
bool subghz_protocol_nero_radio_to_load_protocol_from_file(
FlipperFile* flipper_file,
SubGhzProtocolNeroRadio* instance,
const char* file_path) {
return subghz_protocol_common_to_load_protocol_from_file(
(SubGhzProtocolCommon*)instance, flipper_file);
}
void subghz_decoder_nero_radio_to_load_protocol(SubGhzProtocolNeroRadio* 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;
}
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