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

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#include "subghz_protocol_gate_tx.h"
struct SubGhzProtocolGateTX {
SubGhzProtocolCommon common;
};
SubGhzProtocolGateTX* subghz_protocol_gate_tx_alloc(void) {
SubGhzProtocolGateTX* instance = furi_alloc(sizeof(SubGhzProtocolGateTX));
instance->common.name = "GateTX";
instance->common.code_min_count_bit_for_found = 24;
instance->common.te_shot = 350;
instance->common.te_long = 700;
instance->common.te_delta = 100;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_gate_tx_to_str;
return instance;
}
void subghz_protocol_gate_tx_free(SubGhzProtocolGateTX* instance) {
furi_assert(instance);
free(instance);
}
/** Send bit
*
* @param instance - SubGhzProtocolGateTX instance
* @param bit - bit
*/
void subghz_protocol_gate_tx_send_bit(SubGhzProtocolGateTX* instance, uint8_t bit) {
if (bit) {
//send bit 1
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_long);
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot);
} else {
//send bit 0
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot);
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_long);
}
}
void subghz_protocol_gate_tx_send_key(SubGhzProtocolGateTX* instance, uint64_t key, uint8_t bit,uint8_t repeat) {
while (repeat--) {
//Send header
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot * 47); //+2 interval v bit 1
//Send start bit
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_long);
//Send key data
for (uint8_t i = bit; i > 0; i--) {
subghz_protocol_gate_tx_send_bit(instance, bit_read(key, i - 1));
}
}
}
void subghz_protocol_gate_tx_reset(SubGhzProtocolGateTX* instance) {
instance->common.parser_step = 0;
}
/** Analysis of received data
*
* @param instance SubGhzProtocolFaacSLH instance
*/
void subghz_protocol_gate_tx_check_remote_controller(SubGhzProtocolGateTX* instance) {
uint32_t code_found_reverse = subghz_protocol_common_reverse_key(instance->common.code_found, instance->common.code_count_bit);
instance->common.serial = (code_found_reverse & 0xFF) << 12 | ((code_found_reverse >>8) & 0xFF) << 4 | ((code_found_reverse >>20) & 0x0F) ;
instance->common.btn = ((code_found_reverse >> 16) & 0x0F);
if (instance->common.callback) instance->common.callback((SubGhzProtocolCommon*)instance, instance->common.context);
}
void subghz_protocol_gate_tx_parse(SubGhzProtocolGateTX* instance, bool level, uint32_t duration) {
switch (instance->common.parser_step) {
case 0:
if ((!level)
&& (DURATION_DIFF(duration,instance->common.te_shot * 47)< instance->common.te_delta * 47)) {
//Found Preambula
instance->common.parser_step = 1;
} else {
instance->common.parser_step = 0;
}
break;
case 1:
if (level && ((DURATION_DIFF(duration,instance->common.te_long)< instance->common.te_delta*3))){
//Found start bit
instance->common.parser_step = 2;
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
} else {
instance->common.parser_step = 0;
}
break;
case 2:
if (!level) {
if (duration >= (instance->common.te_shot * 10 + instance->common.te_delta)) {
instance->common.parser_step = 1;
if (instance->common.code_count_bit>= instance->common.code_min_count_bit_for_found) {
subghz_protocol_gate_tx_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;
}
}
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*3)) {
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*3)
&& (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_gate_tx_to_str(SubGhzProtocolGateTX* instance, string_t output) {
// 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 >>32) & 0xFFFFFFFF;
//uint32_t rev_hi =
string_cat_printf(output,
"Protocol %s, %d Bit\r\n"
" KEY:%06lX\r\n"
" SN:%05lX BTN:%lX\r\n",
instance->common.name,
instance->common.code_count_bit,
(uint32_t)(instance->common.code_found & 0xFFFFFF),
instance->common.serial,
instance->common.btn);
}