ac8b1457f2
* SubGhz: add save key in flipper file format * [FL-2005] SubGhz: fix stored signals cannot be deleted * SubGhz: add load key in flipper file format * SubGhz: fix syntax * SubGhz: fix bad file upload * Storage: add function to get the next free filename * SubGhz: add save RAW in flipper file format * SubGhz: add load RAW in flipper file format * SubGhz: refactoring protocol * SubGhz: refactoring scene * SubGhz: fix SubGhzNotificationState define * Makefile: proper comapre for FORCE Co-authored-by: あく <alleteam@gmail.com>
328 lines
12 KiB
C
328 lines
12 KiB
C
#include "subghz_protocol_princeton.h"
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/*
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* Help
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* https://phreakerclub.com/447
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*
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*/
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#define SUBGHZ_PT_SHORT 400
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#define SUBGHZ_PT_LONG (SUBGHZ_PT_SHORT * 3)
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#define SUBGHZ_PT_GUARD (SUBGHZ_PT_SHORT * 30)
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#define SUBGHZ_PT_COUNT_KEY 5
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#define SUBGHZ_PT_TIMEOUT 320
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struct SubGhzEncoderPrinceton {
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uint32_t key;
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uint16_t te;
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size_t repeat;
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size_t front;
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size_t count_key;
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uint32_t time_high;
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uint32_t time_low;
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};
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typedef enum {
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PrincetonDecoderStepReset = 0,
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PrincetonDecoderStepSaveDuration,
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PrincetonDecoderStepCheckDuration,
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} PrincetonDecoderStep;
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SubGhzEncoderPrinceton* subghz_encoder_princeton_alloc() {
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SubGhzEncoderPrinceton* instance = furi_alloc(sizeof(SubGhzEncoderPrinceton));
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return instance;
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}
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void subghz_encoder_princeton_free(SubGhzEncoderPrinceton* instance) {
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furi_assert(instance);
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free(instance);
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}
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void subghz_encoder_princeton_set_te(SubGhzEncoderPrinceton* instance, void* decoder) {
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SubGhzDecoderPrinceton* pricenton = decoder;
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if((pricenton->te) != 0) {
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instance->te = pricenton->te;
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} else {
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instance->te = SUBGHZ_PT_SHORT;
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}
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}
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void subghz_encoder_princeton_set(SubGhzEncoderPrinceton* instance, uint32_t key, size_t repeat) {
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furi_assert(instance);
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instance->te = SUBGHZ_PT_SHORT;
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instance->key = key;
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instance->repeat = repeat + 1;
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instance->front = 48;
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instance->count_key = SUBGHZ_PT_COUNT_KEY + 7;
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instance->time_high = 0;
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instance->time_low = 0;
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}
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size_t subghz_encoder_princeton_get_repeat_left(SubGhzEncoderPrinceton* instance) {
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furi_assert(instance);
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return instance->repeat;
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}
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void subghz_encoder_princeton_print_log(void* context) {
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SubGhzEncoderPrinceton* instance = context;
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float duty_cycle =
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((float)instance->time_high / (instance->time_high + instance->time_low)) * 100;
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FURI_LOG_I(
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"EncoderPrinceton",
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"Radio ON=%dus, OFF=%dus, DutyCycle=%d,%d%%",
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instance->time_high,
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instance->time_low,
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(uint32_t)duty_cycle,
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(uint32_t)((duty_cycle - (uint32_t)duty_cycle) * 100));
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}
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LevelDuration subghz_encoder_princeton_yield(void* context) {
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SubGhzEncoderPrinceton* instance = context;
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if(instance->repeat == 0) {
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subghz_encoder_princeton_print_log(instance);
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return level_duration_reset();
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}
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size_t bit = instance->front / 2;
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bool level = !(instance->front % 2);
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LevelDuration ret;
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if(bit < 24) {
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uint8_t byte = bit / 8;
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uint8_t bit_in_byte = bit % 8;
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bool value = (((uint8_t*)&instance->key)[2 - byte] >> (7 - bit_in_byte)) & 1;
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if(value) {
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ret = level_duration_make(level, level ? instance->te * 3 : instance->te);
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if(level)
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instance->time_high += instance->te * 3;
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else
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instance->time_low += instance->te;
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} else {
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ret = level_duration_make(level, level ? instance->te : instance->te * 3);
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if(level)
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instance->time_high += instance->te;
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else
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instance->time_low += instance->te * 3;
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}
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} else {
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if(--instance->count_key != 0) {
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ret = level_duration_make(level, level ? instance->te : instance->te * 30);
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if(level)
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instance->time_high += instance->te;
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else
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instance->time_low += instance->te * 30;
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} else {
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instance->count_key = SUBGHZ_PT_COUNT_KEY + 6;
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instance->front = 48;
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ret = level_duration_make(level, level ? instance->te : SUBGHZ_PT_TIMEOUT * 1000);
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if(level)
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instance->time_high += instance->te;
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else
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instance->time_low += SUBGHZ_PT_TIMEOUT * 1000;
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}
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}
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instance->front++;
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if(instance->front == 50) {
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instance->repeat--;
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instance->front = 0;
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}
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return ret;
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}
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SubGhzDecoderPrinceton* subghz_decoder_princeton_alloc(void) {
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SubGhzDecoderPrinceton* instance = furi_alloc(sizeof(SubGhzDecoderPrinceton));
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instance->te = SUBGHZ_PT_SHORT;
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instance->common.name = "Princeton";
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instance->common.code_min_count_bit_for_found = 24;
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instance->common.te_short = SUBGHZ_PT_SHORT; //150;
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instance->common.te_long = SUBGHZ_PT_LONG; //450;
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instance->common.te_delta = 250; //50;
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instance->common.type_protocol = SubGhzProtocolCommonTypeStatic;
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instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_decoder_princeton_to_str;
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instance->common.to_save_file =
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(SubGhzProtocolCommonSaveFile)subghz_decoder_princeton_to_save_file;
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instance->common.to_load_protocol_from_file =
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(SubGhzProtocolCommonLoadFromFile)subghz_decoder_princeton_to_load_protocol_from_file;
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instance->common.to_load_protocol =
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(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_princeton_to_load_protocol;
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instance->common.get_upload_protocol =
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(SubGhzProtocolCommonEncoderGetUpLoad)subghz_protocol_princeton_send_key;
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return instance;
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}
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void subghz_decoder_princeton_free(SubGhzDecoderPrinceton* instance) {
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furi_assert(instance);
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free(instance);
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}
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uint16_t subghz_protocol_princeton_get_te(void* context) {
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SubGhzDecoderPrinceton* instance = context;
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return instance->te;
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}
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bool subghz_protocol_princeton_send_key(
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SubGhzDecoderPrinceton* instance,
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SubGhzProtocolCommonEncoder* encoder) {
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furi_assert(instance);
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furi_assert(encoder);
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size_t index = 0;
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encoder->size_upload = (instance->common.code_last_count_bit * 2) + 2;
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if(encoder->size_upload > SUBGHZ_ENCODER_UPLOAD_MAX_SIZE) return false;
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//Send key data
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for(uint8_t i = instance->common.code_last_count_bit; i > 0; i--) {
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if(bit_read(instance->common.code_last_found, i - 1)) {
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//send bit 1
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encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->te * 3);
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encoder->upload[index++] = level_duration_make(false, (uint32_t)instance->te);
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} else {
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//send bit 0
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encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->te);
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encoder->upload[index++] = level_duration_make(false, (uint32_t)instance->te * 3);
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}
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}
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//Send Stop bit
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encoder->upload[index++] = level_duration_make(true, (uint32_t)instance->te);
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//Send PT_GUARD
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encoder->upload[index++] = level_duration_make(false, (uint32_t)instance->te * 30);
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return true;
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}
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void subghz_decoder_princeton_reset(SubGhzDecoderPrinceton* instance) {
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instance->common.parser_step = PrincetonDecoderStepReset;
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}
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void subghz_decoder_princeton_parse(
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SubGhzDecoderPrinceton* instance,
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bool level,
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uint32_t duration) {
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switch(instance->common.parser_step) {
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case PrincetonDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 36) <
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instance->common.te_delta * 36)) {
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//Found Preambula
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instance->common.parser_step = PrincetonDecoderStepSaveDuration;
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instance->common.code_found = 0;
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instance->common.code_count_bit = 0;
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instance->te = 0;
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}
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break;
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case PrincetonDecoderStepSaveDuration:
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//save duration
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if(level) {
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instance->common.te_last = duration;
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instance->te += duration;
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instance->common.parser_step = PrincetonDecoderStepCheckDuration;
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}
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break;
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case PrincetonDecoderStepCheckDuration:
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if(!level) {
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if(duration >= (instance->common.te_short * 10 + instance->common.te_delta)) {
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instance->common.parser_step = PrincetonDecoderStepSaveDuration;
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if(instance->common.code_count_bit ==
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instance->common.code_min_count_bit_for_found) {
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instance->te /= (instance->common.code_count_bit * 4 + 1);
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instance->common.code_last_found = instance->common.code_found;
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instance->common.code_last_count_bit = instance->common.code_count_bit;
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instance->common.serial = instance->common.code_found >> 4;
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instance->common.btn = (uint8_t)instance->common.code_found & 0x00000F;
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if(instance->common.callback)
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instance->common.callback(
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(SubGhzProtocolCommon*)instance, instance->common.context);
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}
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instance->common.code_found = 0;
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instance->common.code_count_bit = 0;
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instance->te = 0;
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break;
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}
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instance->te += duration;
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if((DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
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instance->common.te_delta) &&
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(DURATION_DIFF(duration, instance->common.te_long) <
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instance->common.te_delta * 3)) {
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subghz_protocol_common_add_bit(&instance->common, 0);
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instance->common.parser_step = PrincetonDecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->common.te_last, instance->common.te_long) <
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instance->common.te_delta * 3) &&
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(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
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subghz_protocol_common_add_bit(&instance->common, 1);
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instance->common.parser_step = PrincetonDecoderStepSaveDuration;
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} else {
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instance->common.parser_step = PrincetonDecoderStepReset;
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}
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} else {
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instance->common.parser_step = PrincetonDecoderStepReset;
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}
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break;
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}
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}
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void subghz_decoder_princeton_to_str(SubGhzDecoderPrinceton* instance, string_t output) {
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uint32_t code_found_lo = instance->common.code_last_found & 0x00000000ffffffff;
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uint64_t code_found_reverse = subghz_protocol_common_reverse_key(
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instance->common.code_last_found, instance->common.code_last_count_bit);
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uint32_t code_found_reverse_lo = code_found_reverse & 0x00000000ffffffff;
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string_cat_printf(
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output,
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"%s %dbit\r\n"
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"Key:0x%08lX\r\n"
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"Yek:0x%08lX\r\n"
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"Sn:0x%05lX BTN:%02X\r\n"
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"Te:%dus\r\n",
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instance->common.name,
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instance->common.code_last_count_bit,
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code_found_lo,
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code_found_reverse_lo,
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instance->common.serial,
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instance->common.btn,
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instance->te);
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}
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bool subghz_decoder_princeton_to_save_file(
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SubGhzDecoderPrinceton* instance,
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FlipperFile* flipper_file) {
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bool res = subghz_protocol_common_to_save_file((SubGhzProtocolCommon*)instance, flipper_file);
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if(res) {
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res = flipper_file_write_uint32(flipper_file, "TE", (uint32_t*)&instance->te, 1);
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if(!res) FURI_LOG_E(SUBGHZ_KEY_TAG, "Unable to add Te");
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}
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return res;
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}
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bool subghz_decoder_princeton_to_load_protocol_from_file(
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FlipperFile* flipper_file,
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SubGhzDecoderPrinceton* instance,
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const char* file_path) {
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bool loaded = subghz_protocol_common_to_load_protocol_from_file(
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(SubGhzProtocolCommon*)instance, flipper_file);
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if(loaded) {
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loaded = flipper_file_read_uint32(flipper_file, "TE", (uint32_t*)&instance->te, 1);
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if(!loaded) FURI_LOG_E(SUBGHZ_KEY_TAG, "Missing TE");
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}
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return loaded;
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}
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void subghz_decoder_princeton_to_load_protocol(SubGhzDecoderPrinceton* instance, void* context) {
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furi_assert(context);
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furi_assert(instance);
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SubGhzProtocolCommonLoad* data = context;
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instance->common.code_last_found = data->code_found;
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instance->common.code_last_count_bit = data->code_count_bit;
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instance->te = data->param1;
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instance->common.serial = instance->common.code_last_found >> 4;
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instance->common.btn = (uint8_t)instance->common.code_last_found & 0x00000F;
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}
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