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#include "subghz_protocol_ido.h"
struct SubGhzProtocolIDo {
SubGhzProtocolCommon common;
};
typedef enum {
IDoDecoderStepReset = 0,
IDoDecoderStepFoundPreambula,
IDoDecoderStepSaveDuration,
IDoDecoderStepCheckDuration,
} IDoDecoderStep;
SubGhzProtocolIDo* subghz_protocol_ido_alloc(void) {
SubGhzProtocolIDo* instance = malloc(sizeof(SubGhzProtocolIDo));
instance->common.name = "iDo 117/111"; // PT4301-X";
instance->common.code_min_count_bit_for_found = 48;
instance->common.te_short = 450;
instance->common.te_long = 1450;
instance->common.te_delta = 150;
instance->common.type_protocol = SubGhzProtocolCommonTypeDynamic;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_ido_to_str;
instance->common.to_load_protocol =
(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_ido_to_load_protocol;
return instance;
}
void subghz_protocol_ido_free(SubGhzProtocolIDo* instance) {
furi_assert(instance);
free(instance);
}
/** Send bit
*
* @param instance - SubGhzProtocolIDo instance
* @param bit - bit
*/
void subghz_protocol_ido_send_bit(SubGhzProtocolIDo* instance, uint8_t bit) {
if(bit) {
//send bit 1
SUBGHZ_TX_PIN_HIGH();
delay_us(instance->common.te_short);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_short);
} else {
//send bit 0
SUBGHZ_TX_PIN_HIGH();
delay_us(instance->common.te_short);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_long);
}
}
void subghz_protocol_ido_send_key(
SubGhzProtocolIDo* instance,
uint64_t key,
uint8_t bit,
uint8_t repeat) {
while(repeat--) {
SUBGHZ_TX_PIN_HIGH();
//Send header
delay_us(instance->common.te_short * 10);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_short * 10);
//Send key data
for(uint8_t i = bit; i > 0; i--) {
subghz_protocol_ido_send_bit(instance, bit_read(key, i - 1));
}
}
}
void subghz_protocol_ido_reset(SubGhzProtocolIDo* instance) {
instance->common.parser_step = IDoDecoderStepReset;
}
/** Analysis of received data
*
* @param instance SubGhzProtocolIDo instance
*/
void subghz_protocol_ido_check_remote_controller(SubGhzProtocolIDo* instance) {
uint64_t code_found_reverse = subghz_protocol_common_reverse_key(
instance->common.code_last_found, instance->common.code_last_count_bit);
uint32_t code_fix = code_found_reverse & 0xFFFFFF;
instance->common.serial = code_fix & 0xFFFFF;
instance->common.btn = (code_fix >> 20) & 0x0F;
}
void subghz_protocol_ido_parse(SubGhzProtocolIDo* instance, bool level, uint32_t duration) {
switch(instance->common.parser_step) {
case IDoDecoderStepReset:
if((level) && (DURATION_DIFF(duration, instance->common.te_short * 10) <
instance->common.te_delta * 5)) {
instance->common.parser_step = IDoDecoderStepFoundPreambula;
}
break;
case IDoDecoderStepFoundPreambula:
if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 10) <
instance->common.te_delta * 5)) {
//Found Preambula
instance->common.parser_step = IDoDecoderStepSaveDuration;
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
} else {
instance->common.parser_step = IDoDecoderStepReset;
}
break;
case IDoDecoderStepSaveDuration:
if(level) {
if(duration >= (instance->common.te_short * 5 + instance->common.te_delta)) {
instance->common.parser_step = IDoDecoderStepFoundPreambula;
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;
break;
} else {
instance->common.te_last = duration;
instance->common.parser_step = IDoDecoderStepCheckDuration;
}
} else {
instance->common.parser_step = IDoDecoderStepReset;
}
break;
case IDoDecoderStepCheckDuration:
if(!level) {
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 * 3)) {
subghz_protocol_common_add_bit(&instance->common, 0);
instance->common.parser_step = IDoDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
instance->common.te_delta * 3) &&
(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 1);
instance->common.parser_step = IDoDecoderStepSaveDuration;
} else {
instance->common.parser_step = IDoDecoderStepReset;
}
} else {
instance->common.parser_step = IDoDecoderStepReset;
}
break;
}
}
void subghz_protocol_ido_to_str(SubGhzProtocolIDo* instance, string_t output) {
subghz_protocol_ido_check_remote_controller(instance);
uint64_t code_found_reverse = subghz_protocol_common_reverse_key(
instance->common.code_last_found, instance->common.code_last_count_bit);
uint32_t code_fix = code_found_reverse & 0xFFFFFF;
uint32_t code_hop = (code_found_reverse >> 24) & 0xFFFFFF;
string_cat_printf(
output,
"%s %dbit\r\n"
"Key:0x%lX%08lX\r\n"
"Fix:%06lX \r\n"
"Hop:%06lX \r\n"
"Sn:%05lX Btn:%lX\r\n",
instance->common.name,
instance->common.code_last_count_bit,
(uint32_t)(instance->common.code_last_found >> 32),
(uint32_t)instance->common.code_last_found,
code_fix,
code_hop,
instance->common.serial,
instance->common.btn);
}
void subghz_decoder_ido_to_load_protocol(SubGhzProtocolIDo* 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_ido_check_remote_controller(instance);
}
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