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[FL-1800] IRDA: enc/decoder refactoring, Add NEC42 (#705)

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* WIP: IRDA: multilen protocol refactoring, NEC42
* IRDA: Refactoring encoder/decoder

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Albert Kharisov
2021-09-15 20:22:58 +03:00
committed by GitHub
parent 4768177cf5
commit 4f233ff0a3
21 changed files with 551 additions and 437 deletions
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41
lib/irda/encoder_decoder/nec/irda_encoder_nec.c
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@@ -20,26 +20,45 @@ void irda_encoder_nec_reset(void* encoder_ptr, const IrdaMessage* message) {
IrdaCommonEncoder* encoder = encoder_ptr;
irda_common_encoder_reset(encoder);
uint8_t address = message->address;
uint8_t address_inverse = ~address;
uint8_t command = message->command;
uint8_t command_inverse = ~command;
uint32_t* data = (void*) encoder->data;
uint32_t* data1 = (void*) encoder->data;
uint32_t* data2 = data1 + 1;
if (message->protocol == IrdaProtocolNEC) {
*data = (address | (address_inverse << 8));
uint8_t address = message->address;
uint8_t address_inverse = ~address;
uint8_t command = message->command;
uint8_t command_inverse = ~command;
*data1 = address;
*data1 |= address_inverse << 8;
*data1 |= command << 16;
*data1 |= command_inverse << 24;
encoder->bits_to_encode = 32;
} else if (message->protocol == IrdaProtocolNECext) {
*data = (uint16_t) message->address;
*data1 = (uint16_t) message->address;
*data1 |= (message->command & 0xFFFF) << 16;
encoder->bits_to_encode = 32;
} else if (message->protocol == IrdaProtocolNEC42) {
/* 13 address + 13 inverse address + 8 command + 8 inv command */
*data1 = message->address & 0x1FFFUL;
*data1 |= (~message->address & 0x1FFFUL) << 13;
*data1 |= ((message->command & 0x3FUL) << 26);
*data2 = (message->command & 0xC0UL) >> 6;
*data2 |= (~message->command & 0xFFUL) << 2;
encoder->bits_to_encode = 42;
} else if (message->protocol == IrdaProtocolNEC42ext) {
*data1 = message->address & 0x3FFFFFF;
*data1 |= ((message->command & 0x3F) << 26);
*data2 = (message->command & 0xFFC0) >> 6;
encoder->bits_to_encode = 42;
} else {
furi_assert(0);
}
*data |= command << 16;
*data |= command_inverse << 24;
}
IrdaStatus irda_encoder_nec_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->protocol->databit_len * 2 + 1;
uint32_t timings_encoded_up_to_repeat = 1 + 2 + encoder->bits_to_encode * 2 + 1;
uint32_t repeat_cnt = encoder->timings_encoded - timings_encoded_up_to_repeat;
furi_assert(encoder->timings_encoded >= timings_encoded_up_to_repeat);