13c5a8cb20
* Add RAW format * F5 stubs for build to pass * Fix saving decoded signal error * Irda: set ISR before starting timer, remove explicit NVIC configuration Co-authored-by: あく <alleteam@gmail.com>
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
#include "irda_protocol_defs_i.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <furi.h>
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#include "../irda_i.h"
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bool irda_decoder_nec_interpret(IrdaCommonDecoder* decoder) {
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furi_assert(decoder);
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bool result = false;
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uint8_t address = decoder->data[0];
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uint8_t address_inverse = decoder->data[1];
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uint8_t command = decoder->data[2];
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uint8_t command_inverse = decoder->data[3];
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if ((command == (uint8_t) ~command_inverse) && (address == (uint8_t) ~address_inverse)) {
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decoder->message.command = command;
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decoder->message.address = address;
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decoder->message.repeat = false;
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result = true;
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}
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return result;
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}
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// Some NEC's extensions allow 16 bit address
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bool irda_decoder_necext_interpret(IrdaCommonDecoder* decoder) {
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furi_assert(decoder);
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bool result = false;
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uint8_t command = decoder->data[2];
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uint8_t command_inverse = decoder->data[3];
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if(command == (uint8_t)~command_inverse) {
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decoder->message.command = command;
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decoder->message.address = decoder->data[0] | (decoder->data[1] << 8);
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decoder->message.repeat = false;
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result = true;
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}
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return result;
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}
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// timings start from Space (delay between message and repeat)
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IrdaStatus irda_decoder_nec_decode_repeat(IrdaCommonDecoder* decoder) {
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furi_assert(decoder);
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float preamble_tolerance = decoder->protocol->timings.preamble_tolerance;
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uint32_t bit_tolerance = decoder->protocol->timings.bit_tolerance;
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IrdaStatus status = IrdaStatusError;
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if(decoder->timings_cnt < 4) return IrdaStatusOk;
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if((decoder->timings[0] > IRDA_NEC_REPEAT_PAUSE_MIN) &&
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(decoder->timings[0] < IRDA_NEC_REPEAT_PAUSE_MAX) &&
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MATCH_PREAMBLE_TIMING(decoder->timings[1], IRDA_NEC_REPEAT_MARK, preamble_tolerance) &&
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MATCH_PREAMBLE_TIMING(decoder->timings[2], IRDA_NEC_REPEAT_SPACE, preamble_tolerance) &&
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MATCH_BIT_TIMING(decoder->timings[3], decoder->protocol->timings.bit1_mark, bit_tolerance)) {
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status = IrdaStatusReady;
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decoder->timings_cnt = 0;
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} else {
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status = IrdaStatusError;
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}
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return status;
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}
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void* irda_decoder_nec_alloc(void) {
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return irda_common_decoder_alloc(&protocol_nec);
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}
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void* irda_decoder_necext_alloc(void) {
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return irda_common_decoder_alloc(&protocol_necext);
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}
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IrdaMessage* irda_decoder_nec_decode(void* decoder, bool level, uint32_t duration) {
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return irda_common_decode(decoder, level, duration);
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}
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void irda_decoder_nec_free(void* decoder) {
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irda_common_decoder_free(decoder);
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}
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void irda_decoder_nec_reset(void* decoder) {
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irda_common_decoder_reset(decoder);
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}
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