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

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C
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#include "irda.h"
#include "furi/check.h"
#include "common/irda_common_i.h"
#include "irda_protocol_defs_i.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <furi.h>
#include "irda_i.h"
#include <furi_hal_irda.h>
typedef struct {
IrdaAlloc alloc;
IrdaDecode decode;
IrdaDecoderReset reset;
IrdaFree free;
IrdaDecoderCheckReady check_ready;
} IrdaDecoders;
typedef struct {
IrdaAlloc alloc;
IrdaEncode encode;
IrdaEncoderReset reset;
IrdaFree free;
} IrdaEncoders;
struct IrdaDecoderHandler {
void** ctx;
};
struct IrdaEncoderHandler {
void* handler;
const IrdaEncoders* encoder;
};
typedef struct {
IrdaEncoders encoder;
IrdaDecoders decoder;
IrdaGetProtocolSpec get_protocol_spec;
} IrdaEncoderDecoder;
static const IrdaEncoderDecoder irda_encoder_decoder[] = {
{
.decoder =
{.alloc = irda_decoder_nec_alloc,
.decode = irda_decoder_nec_decode,
.reset = irda_decoder_nec_reset,
.check_ready = irda_decoder_nec_check_ready,
.free = irda_decoder_nec_free},
.encoder =
{.alloc = irda_encoder_nec_alloc,
.encode = irda_encoder_nec_encode,
.reset = irda_encoder_nec_reset,
.free = irda_encoder_nec_free},
.get_protocol_spec = irda_nec_get_spec,
},
{
.decoder =
{.alloc = irda_decoder_samsung32_alloc,
.decode = irda_decoder_samsung32_decode,
.reset = irda_decoder_samsung32_reset,
.check_ready = irda_decoder_samsung32_check_ready,
.free = irda_decoder_samsung32_free},
.encoder =
{.alloc = irda_encoder_samsung32_alloc,
.encode = irda_encoder_samsung32_encode,
.reset = irda_encoder_samsung32_reset,
.free = irda_encoder_samsung32_free},
.get_protocol_spec = irda_samsung32_get_spec,
},
{
.decoder =
{.alloc = irda_decoder_rc5_alloc,
.decode = irda_decoder_rc5_decode,
.reset = irda_decoder_rc5_reset,
.check_ready = irda_decoder_rc5_check_ready,
.free = irda_decoder_rc5_free},
.encoder =
{.alloc = irda_encoder_rc5_alloc,
.encode = irda_encoder_rc5_encode,
.reset = irda_encoder_rc5_reset,
.free = irda_encoder_rc5_free},
.get_protocol_spec = irda_rc5_get_spec,
},
{
.decoder =
{.alloc = irda_decoder_rc6_alloc,
.decode = irda_decoder_rc6_decode,
.reset = irda_decoder_rc6_reset,
.check_ready = irda_decoder_rc6_check_ready,
.free = irda_decoder_rc6_free},
.encoder =
{.alloc = irda_encoder_rc6_alloc,
.encode = irda_encoder_rc6_encode,
.reset = irda_encoder_rc6_reset,
.free = irda_encoder_rc6_free},
.get_protocol_spec = irda_rc6_get_spec,
},
{
.decoder =
{.alloc = irda_decoder_sirc_alloc,
.decode = irda_decoder_sirc_decode,
.reset = irda_decoder_sirc_reset,
.check_ready = irda_decoder_sirc_check_ready,
.free = irda_decoder_sirc_free},
.encoder =
{.alloc = irda_encoder_sirc_alloc,
.encode = irda_encoder_sirc_encode,
.reset = irda_encoder_sirc_reset,
.free = irda_encoder_sirc_free},
.get_protocol_spec = irda_sirc_get_spec,
},
};
static int irda_find_index_by_protocol(IrdaProtocol protocol);
static const IrdaProtocolSpecification* irda_get_spec_by_protocol(IrdaProtocol protocol);
const IrdaMessage* irda_decode(IrdaDecoderHandler* handler, bool level, uint32_t duration) {
furi_assert(handler);
IrdaMessage* message = NULL;
IrdaMessage* result = NULL;
for(int i = 0; i < COUNT_OF(irda_encoder_decoder); ++i) {
if(irda_encoder_decoder[i].decoder.decode) {
message = irda_encoder_decoder[i].decoder.decode(handler->ctx[i], level, duration);
if(!result && message) {
result = message;
}
}
}
return result;
}
IrdaDecoderHandler* irda_alloc_decoder(void) {
IrdaDecoderHandler* handler = furi_alloc(sizeof(IrdaDecoderHandler));
handler->ctx = furi_alloc(sizeof(void*) * COUNT_OF(irda_encoder_decoder));
for(int i = 0; i < COUNT_OF(irda_encoder_decoder); ++i) {
handler->ctx[i] = 0;
if(irda_encoder_decoder[i].decoder.alloc)
handler->ctx[i] = irda_encoder_decoder[i].decoder.alloc();
}
irda_reset_decoder(handler);
return handler;
}
void irda_free_decoder(IrdaDecoderHandler* handler) {
furi_assert(handler);
furi_assert(handler->ctx);
for(int i = 0; i < COUNT_OF(irda_encoder_decoder); ++i) {
if(irda_encoder_decoder[i].decoder.free)
irda_encoder_decoder[i].decoder.free(handler->ctx[i]);
}
free(handler->ctx);
free(handler);
}
void irda_reset_decoder(IrdaDecoderHandler* handler) {
for(int i = 0; i < COUNT_OF(irda_encoder_decoder); ++i) {
if(irda_encoder_decoder[i].decoder.reset)
irda_encoder_decoder[i].decoder.reset(handler->ctx[i]);
}
}
const IrdaMessage* irda_check_decoder_ready(IrdaDecoderHandler* handler) {
furi_assert(handler);
IrdaMessage* message = NULL;
IrdaMessage* result = NULL;
for(int i = 0; i < COUNT_OF(irda_encoder_decoder); ++i) {
if(irda_encoder_decoder[i].decoder.check_ready) {
message = irda_encoder_decoder[i].decoder.check_ready(handler->ctx[i]);
if(!result && message) {
result = message;
}
}
}
return result;
}
IrdaEncoderHandler* irda_alloc_encoder(void) {
IrdaEncoderHandler* handler = furi_alloc(sizeof(IrdaEncoderHandler));
handler->handler = NULL;
handler->encoder = NULL;
return handler;
}
void irda_free_encoder(IrdaEncoderHandler* handler) {
furi_assert(handler);
const IrdaEncoders* 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 irda_find_index_by_protocol(IrdaProtocol protocol) {
for(int i = 0; i < COUNT_OF(irda_encoder_decoder); ++i) {
if(irda_encoder_decoder[i].get_protocol_spec(protocol)) {
return i;
}
}
return -1;
}
void irda_reset_encoder(IrdaEncoderHandler* handler, const IrdaMessage* message) {
furi_assert(handler);
furi_assert(message);
int index = irda_find_index_by_protocol(message->protocol);
furi_check(index >= 0);
const IrdaEncoders* required_encoder = &irda_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);
}
IrdaStatus irda_encode(IrdaEncoderHandler* handler, uint32_t* duration, bool* level) {
furi_assert(handler);
furi_assert(duration);
furi_assert(level);
const IrdaEncoders* encoder = handler->encoder;
furi_assert(encoder);
furi_assert(encoder->encode);
IrdaStatus status = encoder->encode(handler->handler, duration, level);
furi_assert(status != IrdaStatusError);
return status;
}
bool irda_is_protocol_valid(IrdaProtocol protocol) {
return irda_find_index_by_protocol(protocol) >= 0;
}
IrdaProtocol irda_get_protocol_by_name(const char* protocol_name) {
for(IrdaProtocol protocol = 0; protocol < IrdaProtocolMAX; ++protocol) {
const char* name = irda_get_protocol_name(protocol);
if(!strcmp(name, protocol_name)) return protocol;
}
return IrdaProtocolUnknown;
}
static const IrdaProtocolSpecification* irda_get_spec_by_protocol(IrdaProtocol protocol) {
int index = irda_find_index_by_protocol(protocol);
furi_check(index >= 0);
const IrdaProtocolSpecification* spec =
irda_encoder_decoder[index].get_protocol_spec(protocol);
furi_assert(spec);
return spec;
}
const char* irda_get_protocol_name(IrdaProtocol protocol) {
return irda_get_spec_by_protocol(protocol)->name;
}
uint8_t irda_get_protocol_address_length(IrdaProtocol protocol) {
return irda_get_spec_by_protocol(protocol)->address_length;
}
uint8_t irda_get_protocol_command_length(IrdaProtocol protocol) {
return irda_get_spec_by_protocol(protocol)->command_length;
}
uint32_t irda_get_protocol_frequency(IrdaProtocol protocol) {
return irda_get_spec_by_protocol(protocol)->frequency;
}
float irda_get_protocol_duty_cycle(IrdaProtocol protocol) {
return irda_get_spec_by_protocol(protocol)->duty_cycle;
}