flipperzero-firmware/lib/irda/encoder_decoder/samsung/irda_encoder_samsung.c
Albert Kharisov 4f233ff0a3
[FL-1800] IRDA: enc/decoder refactoring, Add NEC42 (#705)
* WIP: IRDA: multilen protocol refactoring, NEC42
* IRDA: Refactoring encoder/decoder

Co-authored-by: あく <alleteam@gmail.com>
2021-09-15 20:22:58 +03:00

70 lines
2.0 KiB
C

#include "furi/check.h"
#include "common/irda_common_i.h"
#include <stdint.h>
#include "../irda_i.h"
#include "irda_protocol_defs_i.h"
#include <furi.h>
static const uint32_t repeat_timings[] = {
IRDA_SAMSUNG_REPEAT_PAUSE2,
IRDA_SAMSUNG_REPEAT_MARK,
IRDA_SAMSUNG_REPEAT_SPACE,
IRDA_SAMSUNG_BIT1_MARK,
IRDA_SAMSUNG_BIT1_SPACE,
IRDA_SAMSUNG_BIT1_MARK,
};
void irda_encoder_samsung32_reset(void* encoder_ptr, const IrdaMessage* message) {
furi_assert(encoder_ptr);
IrdaCommonEncoder* encoder = encoder_ptr;
irda_common_encoder_reset(encoder);
uint8_t address = message->address;
uint8_t command = message->command;
uint8_t command_inverse = ~command;
uint32_t* data = (void*) encoder->data;
*data |= address;
*data |= address << 8;
*data |= command << 16;
*data |= command_inverse << 24;
encoder->bits_to_encode = encoder->protocol->databit_len[0];
}
IrdaStatus irda_encoder_samsung32_encode_repeat(IrdaCommonEncoder* encoder, uint32_t* duration, bool* level) {
furi_assert(encoder);
/* space + 2 timings preambule + payload + stop bit */
uint32_t timings_encoded_up_to_repeat = 1 + 2 + encoder->bits_encoded * 2 + 1;
uint32_t repeat_cnt = encoder->timings_encoded - timings_encoded_up_to_repeat;
furi_assert(encoder->timings_encoded >= timings_encoded_up_to_repeat);
if (repeat_cnt > 0)
*duration = repeat_timings[repeat_cnt % COUNT_OF(repeat_timings)];
else
*duration = IRDA_SAMSUNG_REPEAT_PAUSE1;
*level = repeat_cnt % 2;
++encoder->timings_encoded;
bool done = (!((repeat_cnt + 1) % COUNT_OF(repeat_timings)));
return done ? IrdaStatusDone : IrdaStatusOk;
}
void* irda_encoder_samsung32_alloc(void) {
return irda_common_encoder_alloc(&protocol_samsung32);
}
void irda_encoder_samsung32_free(void* encoder_ptr) {
irda_common_encoder_free(encoder_ptr);
}
IrdaStatus irda_encoder_samsung32_encode(void* encoder_ptr, uint32_t* duration, bool* level) {
return irda_common_encode(encoder_ptr, duration, level);
}