flipperzero-firmware/lib/fl_subghz/protocols/subghz_protocol_came.c
あく e8211226f3
[FL-1496] SubGhz: Library, Cli, Application (#543)
* ApiHal: set frequency and path in one go. Drivers: proper frequency registers calculation for CC1101. Update subghz cli to match new api.
* SubGhz: preparation for parsers porting, tim2 sharing
* ApiHal: add interrupts API, move all TIM2 related things there.
* SubGhz: refactor protocol lib and add keeloq.
* SubGhz: proper init_set for keeloq manafacture key
* SubGhz: port more protocols to lib
* SubGhz: load keeloq manufacture keys from sd card (if any).
* SubGhz: format output from protocols.
* SubGhz: use default frequency in subghz_rx cli command.
* SubGhz: keeloq key types
* Fix compillation error when internal storage disabled
* SubGhz: minor cleanup
* SubGhz: properly handle timeout and reset signal in subghz_rx
* SubGhz: Worker, Capture View. Furi: emulate thread join.
* SubGhz: free strings on keeloq key load end
* SubGhz: update protocols reporting API, app refactoring and capture view, update API HAL usage.
* SubGhz: update dump formatting
* ApiHal: backport subghz preset to F5
* ApiHal: backport subghz frequency range to F5
2021-06-30 00:19:20 +03:00

120 lines
4.3 KiB
C

#include "subghz_protocol_came.h"
#include "subghz_protocol_common.h"
/*
* Help
* https://phreakerclub.com/447
*
*/
struct SubGhzProtocolCame {
SubGhzProtocolCommon common;
};
SubGhzProtocolCame* subghz_protocol_came_alloc() {
SubGhzProtocolCame* instance = furi_alloc(sizeof(SubGhzProtocolCame));
instance->common.name = "Came";
instance->common.code_min_count_bit_for_found = 12;
instance->common.te_shot = 320;
instance->common.te_long = 640;
instance->common.te_delta = 150;
return instance;
}
void subghz_protocol_came_free(SubGhzProtocolCame* instance) {
furi_assert(instance);
free(instance);
}
void subghz_protocol_came_send_bit(SubGhzProtocolCame* 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_came_send_key(SubGhzProtocolCame* instance, uint64_t key, uint8_t bit, uint8_t repeat) {
while (repeat--) {
//Send header
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot * 34); //+2 interval v bit 1
//Send start bit
subghz_protocol_came_send_bit(instance, 1);
//Send key data
for (uint8_t i = bit; i > 0; i--) {
subghz_protocol_came_send_bit(instance, bit_read(key, i - 1));
}
}
}
void subghz_protocol_came_parse(SubGhzProtocolCame* instance, LevelPair data) {
switch (instance->common.parser_step) {
case 0:
if ((data.level == ApiHalSubGhzCaptureLevelLow)
&& (DURATION_DIFF(data.duration,instance->common.te_shot * 51)< instance->common.te_delta * 51)) { //Need protocol 36 te_shot
//Found header CAME
instance->common.parser_step = 1;
} else {
instance->common.parser_step = 0;
}
break;
case 1:
if (data.level == ApiHalSubGhzCaptureLevelLow) {
break;
} else if (DURATION_DIFF(data.duration,instance->common.te_shot)< instance->common.te_delta) {
//Found start bit CAME
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 (data.level == ApiHalSubGhzCaptureLevelLow) { //save interval
if (data.duration >= (instance->common.te_shot * 4)) {
instance->common.parser_step = 1;
if (instance->common.code_count_bit>= instance->common.code_min_count_bit_for_found) {
//ToDo out data display
if (instance->common.callback)
instance->common.callback((SubGhzProtocolCommon*)instance, instance->common.context);
}
break;
}
instance->common.te_last = data.duration;
instance->common.parser_step = 3;
} else {
instance->common.parser_step = 0;
}
break;
case 3:
if (data.level == ApiHalSubGhzCaptureLevelHigh) {
if ((DURATION_DIFF(instance->common.te_last,instance->common.te_shot) < instance->common.te_delta)
&& (DURATION_DIFF(data.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(data.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;
}
}