flipperzero-firmware/lib/infrared/encoder_decoder/infrared.c

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C
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#include "infrared.h"
#include <stdlib.h>
#include <string.h>
#include <core/check.h>
#include <core/common_defines.h>
#include "nec/infrared_protocol_nec.h"
#include "samsung/infrared_protocol_samsung.h"
#include "rc5/infrared_protocol_rc5.h"
#include "rc6/infrared_protocol_rc6.h"
#include "sirc/infrared_protocol_sirc.h"
#include "kaseikyo/infrared_protocol_kaseikyo.h"
typedef struct {
InfraredAlloc alloc;
InfraredDecode decode;
InfraredDecoderReset reset;
InfraredFree free;
InfraredDecoderCheckReady check_ready;
} InfraredDecoders;
typedef struct {
InfraredAlloc alloc;
InfraredEncode encode;
InfraredEncoderReset reset;
InfraredFree free;
} InfraredEncoders;
struct InfraredDecoderHandler {
void** ctx;
};
struct InfraredEncoderHandler {
void* handler;
const InfraredEncoders* encoder;
};
typedef struct {
InfraredEncoders encoder;
InfraredDecoders decoder;
InfraredGetProtocolVariant get_protocol_variant;
} InfraredEncoderDecoder;
static const InfraredEncoderDecoder infrared_encoder_decoder[] = {
{
.decoder =
{.alloc = infrared_decoder_nec_alloc,
.decode = infrared_decoder_nec_decode,
.reset = infrared_decoder_nec_reset,
.check_ready = infrared_decoder_nec_check_ready,
.free = infrared_decoder_nec_free},
.encoder =
{.alloc = infrared_encoder_nec_alloc,
.encode = infrared_encoder_nec_encode,
.reset = infrared_encoder_nec_reset,
.free = infrared_encoder_nec_free},
.get_protocol_variant = infrared_protocol_nec_get_variant,
},
{
.decoder =
{.alloc = infrared_decoder_samsung32_alloc,
.decode = infrared_decoder_samsung32_decode,
.reset = infrared_decoder_samsung32_reset,
.check_ready = infrared_decoder_samsung32_check_ready,
.free = infrared_decoder_samsung32_free},
.encoder =
{.alloc = infrared_encoder_samsung32_alloc,
.encode = infrared_encoder_samsung32_encode,
.reset = infrared_encoder_samsung32_reset,
.free = infrared_encoder_samsung32_free},
.get_protocol_variant = infrared_protocol_samsung32_get_variant,
},
{
.decoder =
{.alloc = infrared_decoder_rc5_alloc,
.decode = infrared_decoder_rc5_decode,
.reset = infrared_decoder_rc5_reset,
.check_ready = infrared_decoder_rc5_check_ready,
.free = infrared_decoder_rc5_free},
.encoder =
{.alloc = infrared_encoder_rc5_alloc,
.encode = infrared_encoder_rc5_encode,
.reset = infrared_encoder_rc5_reset,
.free = infrared_encoder_rc5_free},
.get_protocol_variant = infrared_protocol_rc5_get_variant,
},
{
.decoder =
{.alloc = infrared_decoder_rc6_alloc,
.decode = infrared_decoder_rc6_decode,
.reset = infrared_decoder_rc6_reset,
.check_ready = infrared_decoder_rc6_check_ready,
.free = infrared_decoder_rc6_free},
.encoder =
{.alloc = infrared_encoder_rc6_alloc,
.encode = infrared_encoder_rc6_encode,
.reset = infrared_encoder_rc6_reset,
.free = infrared_encoder_rc6_free},
.get_protocol_variant = infrared_protocol_rc6_get_variant,
},
{
.decoder =
{.alloc = infrared_decoder_sirc_alloc,
.decode = infrared_decoder_sirc_decode,
.reset = infrared_decoder_sirc_reset,
.check_ready = infrared_decoder_sirc_check_ready,
.free = infrared_decoder_sirc_free},
.encoder =
{.alloc = infrared_encoder_sirc_alloc,
.encode = infrared_encoder_sirc_encode,
.reset = infrared_encoder_sirc_reset,
.free = infrared_encoder_sirc_free},
.get_protocol_variant = infrared_protocol_sirc_get_variant,
},
{
.decoder =
{.alloc = infrared_decoder_kaseikyo_alloc,
.decode = infrared_decoder_kaseikyo_decode,
.reset = infrared_decoder_kaseikyo_reset,
.check_ready = infrared_decoder_kaseikyo_check_ready,
.free = infrared_decoder_kaseikyo_free},
.encoder =
{.alloc = infrared_encoder_kaseikyo_alloc,
.encode = infrared_encoder_kaseikyo_encode,
.reset = infrared_encoder_kaseikyo_reset,
.free = infrared_encoder_kaseikyo_free},
.get_protocol_variant = infrared_protocol_kaseikyo_get_variant,
},
};
static int infrared_find_index_by_protocol(InfraredProtocol protocol);
static const InfraredProtocolVariant* infrared_get_variant_by_protocol(InfraredProtocol protocol);
const InfraredMessage*
infrared_decode(InfraredDecoderHandler* handler, bool level, uint32_t duration) {
furi_assert(handler);
InfraredMessage* message = NULL;
InfraredMessage* result = NULL;
for(size_t i = 0; i < COUNT_OF(infrared_encoder_decoder); ++i) {
if(infrared_encoder_decoder[i].decoder.decode) {
message = infrared_encoder_decoder[i].decoder.decode(handler->ctx[i], level, duration);
if(!result && message) {
result = message;
}
}
}
return result;
}
InfraredDecoderHandler* infrared_alloc_decoder(void) {
InfraredDecoderHandler* handler = malloc(sizeof(InfraredDecoderHandler));
handler->ctx = malloc(sizeof(void*) * COUNT_OF(infrared_encoder_decoder));
for(size_t i = 0; i < COUNT_OF(infrared_encoder_decoder); ++i) {
handler->ctx[i] = 0;
if(infrared_encoder_decoder[i].decoder.alloc)
handler->ctx[i] = infrared_encoder_decoder[i].decoder.alloc();
}
infrared_reset_decoder(handler);
return handler;
}
void infrared_free_decoder(InfraredDecoderHandler* handler) {
furi_assert(handler);
furi_assert(handler->ctx);
for(size_t i = 0; i < COUNT_OF(infrared_encoder_decoder); ++i) {
if(infrared_encoder_decoder[i].decoder.free)
infrared_encoder_decoder[i].decoder.free(handler->ctx[i]);
}
free(handler->ctx);
free(handler);
}
void infrared_reset_decoder(InfraredDecoderHandler* handler) {
for(size_t i = 0; i < COUNT_OF(infrared_encoder_decoder); ++i) {
if(infrared_encoder_decoder[i].decoder.reset)
infrared_encoder_decoder[i].decoder.reset(handler->ctx[i]);
}
}
const InfraredMessage* infrared_check_decoder_ready(InfraredDecoderHandler* handler) {
furi_assert(handler);
InfraredMessage* message = NULL;
InfraredMessage* result = NULL;
for(size_t i = 0; i < COUNT_OF(infrared_encoder_decoder); ++i) {
if(infrared_encoder_decoder[i].decoder.check_ready) {
message = infrared_encoder_decoder[i].decoder.check_ready(handler->ctx[i]);
if(!result && message) {
result = message;
}
}
}
return result;
}
InfraredEncoderHandler* infrared_alloc_encoder(void) {
InfraredEncoderHandler* handler = malloc(sizeof(InfraredEncoderHandler));
handler->handler = NULL;
handler->encoder = NULL;
return handler;
}
void infrared_free_encoder(InfraredEncoderHandler* handler) {
furi_assert(handler);
const InfraredEncoders* encoder = handler->encoder;
if(encoder || handler->handler) {
furi_assert(encoder);
furi_assert(handler->handler);
furi_assert(encoder->free);
encoder->free(handler->handler);
}
free(handler);
}
static int infrared_find_index_by_protocol(InfraredProtocol protocol) {
for(size_t i = 0; i < COUNT_OF(infrared_encoder_decoder); ++i) {
if(infrared_encoder_decoder[i].get_protocol_variant(protocol)) {
return i;
}
}
return -1;
}
void infrared_reset_encoder(InfraredEncoderHandler* handler, const InfraredMessage* message) {
furi_assert(handler);
furi_assert(message);
int index = infrared_find_index_by_protocol(message->protocol);
furi_check(index >= 0);
const InfraredEncoders* required_encoder = &infrared_encoder_decoder[index].encoder;
furi_assert(required_encoder);
furi_assert(required_encoder->reset);
furi_assert(required_encoder->alloc);
/* Realloc encoder if different protocol set */
if(required_encoder != handler->encoder) {
if(handler->handler != NULL) {
furi_assert(handler->encoder->free);
handler->encoder->free(handler->handler);
}
handler->encoder = required_encoder;
handler->handler = handler->encoder->alloc();
}
handler->encoder->reset(handler->handler, message);
}
InfraredStatus infrared_encode(InfraredEncoderHandler* handler, uint32_t* duration, bool* level) {
furi_assert(handler);
furi_assert(duration);
furi_assert(level);
const InfraredEncoders* encoder = handler->encoder;
furi_assert(encoder);
furi_assert(encoder->encode);
InfraredStatus status = encoder->encode(handler->handler, duration, level);
furi_assert(status != InfraredStatusError);
return status;
}
bool infrared_is_protocol_valid(InfraredProtocol protocol) {
return infrared_find_index_by_protocol(protocol) >= 0;
}
InfraredProtocol infrared_get_protocol_by_name(const char* protocol_name) {
for(InfraredProtocol protocol = 0; protocol < InfraredProtocolMAX; ++protocol) {
const char* name = infrared_get_protocol_name(protocol);
if(!strcmp(name, protocol_name)) return protocol;
}
return InfraredProtocolUnknown;
}
static const InfraredProtocolVariant* infrared_get_variant_by_protocol(InfraredProtocol protocol) {
int index = infrared_find_index_by_protocol(protocol);
const InfraredProtocolVariant* variant = NULL;
if(index >= 0) {
variant = infrared_encoder_decoder[index].get_protocol_variant(protocol);
}
furi_assert(variant);
return variant;
}
const char* infrared_get_protocol_name(InfraredProtocol protocol) {
return infrared_get_variant_by_protocol(protocol)->name;
}
uint8_t infrared_get_protocol_address_length(InfraredProtocol protocol) {
return infrared_get_variant_by_protocol(protocol)->address_length;
}
uint8_t infrared_get_protocol_command_length(InfraredProtocol protocol) {
return infrared_get_variant_by_protocol(protocol)->command_length;
}
uint32_t infrared_get_protocol_frequency(InfraredProtocol protocol) {
return infrared_get_variant_by_protocol(protocol)->frequency;
}
float infrared_get_protocol_duty_cycle(InfraredProtocol protocol) {
return infrared_get_variant_by_protocol(protocol)->duty_cycle;
}
size_t infrared_get_protocol_min_repeat_count(InfraredProtocol protocol) {
return infrared_get_variant_by_protocol(protocol)->repeat_count;
}