4d6b170769
* Fixing compiler warnings with -Wextra * More warnings suppression, WIP * Even more warning fixes * Added new lines at end of text files. * Padding fix * Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline * Fixes for Secplus v1 * -additional warnings * +-Wredundant-decls fixes * FuriHal: print stack overflow task name in console * FuriHal: add missing include Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
#include "infrared.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <furi.h>
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#include "../infrared_i.h"
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#include "../infrared_protocol_defs_i.h"
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typedef struct {
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InfraredCommonDecoder* common_decoder;
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bool toggle;
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} InfraredRc6Decoder;
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InfraredMessage* infrared_decoder_rc6_check_ready(void* ctx) {
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InfraredRc6Decoder* decoder_rc6 = ctx;
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return infrared_common_decoder_check_ready(decoder_rc6->common_decoder);
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}
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bool infrared_decoder_rc6_interpret(InfraredCommonDecoder* decoder) {
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furi_assert(decoder);
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bool result = false;
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uint32_t* data = (void*)&decoder->data[0];
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// MSB first
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uint8_t address = reverse((uint8_t)(*data >> 5));
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uint8_t command = reverse((uint8_t)(*data >> 13));
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bool start_bit = *data & 0x01;
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bool toggle = !!(*data & 0x10);
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uint8_t mode = (*data >> 1) & 0x7;
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if((start_bit == 1) && (mode == 0)) {
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InfraredMessage* message = &decoder->message;
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InfraredRc6Decoder* rc6_decoder = decoder->context;
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bool* prev_toggle = &rc6_decoder->toggle;
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if((message->address == address) && (message->command == command) &&
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(message->protocol == InfraredProtocolRC6)) {
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message->repeat = (toggle == *prev_toggle);
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} else {
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message->repeat = false;
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}
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*prev_toggle = toggle;
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message->command = command;
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message->address = address;
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message->protocol = InfraredProtocolRC6;
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result = true;
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}
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return result;
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}
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/*
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* RC6 Uses manchester encoding, but it has twice longer
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* 4-th bit (toggle bit) time quant, so we need to decode
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* it separately and than pass decoding for other bits to
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* common manchester decode function.
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*/
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InfraredStatus infrared_decoder_rc6_decode_manchester(
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InfraredCommonDecoder* decoder,
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bool level,
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uint32_t timing) {
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// 4th bit lasts 2x times more
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InfraredStatus status = InfraredStatusError;
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uint32_t bit = decoder->protocol->timings.bit1_mark;
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uint32_t tolerance = decoder->protocol->timings.bit_tolerance;
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bool single_timing = MATCH_TIMING(timing, bit, tolerance);
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bool double_timing = MATCH_TIMING(timing, 2 * bit, tolerance);
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bool triple_timing = MATCH_TIMING(timing, 3 * bit, tolerance);
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if(decoder->databit_cnt == 4) {
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furi_assert(decoder->switch_detect == true);
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if(single_timing ^ triple_timing) {
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++decoder->databit_cnt;
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decoder->data[0] |= (single_timing ? !level : level) << 4;
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status = InfraredStatusOk;
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}
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} else if(decoder->databit_cnt == 5) {
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if(single_timing || triple_timing) {
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if(triple_timing) timing = bit;
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decoder->switch_detect = false;
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status = infrared_common_decode_manchester(decoder, level, timing);
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} else if(double_timing) {
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status = InfraredStatusOk;
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}
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} else {
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status = infrared_common_decode_manchester(decoder, level, timing);
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}
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return status;
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}
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void* infrared_decoder_rc6_alloc(void) {
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InfraredRc6Decoder* decoder = malloc(sizeof(InfraredRc6Decoder));
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decoder->toggle = false;
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decoder->common_decoder = infrared_common_decoder_alloc(&protocol_rc6);
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decoder->common_decoder->context = decoder;
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return decoder;
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}
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InfraredMessage* infrared_decoder_rc6_decode(void* decoder, bool level, uint32_t duration) {
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InfraredRc6Decoder* decoder_rc6 = decoder;
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return infrared_common_decode(decoder_rc6->common_decoder, level, duration);
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}
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void infrared_decoder_rc6_free(void* decoder) {
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InfraredRc6Decoder* decoder_rc6 = decoder;
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infrared_common_decoder_free(decoder_rc6->common_decoder);
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free(decoder_rc6);
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}
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void infrared_decoder_rc6_reset(void* decoder) {
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InfraredRc6Decoder* decoder_rc6 = decoder;
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infrared_common_decoder_reset(decoder_rc6->common_decoder);
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}
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