mirror of
https://github.com/Show-maket/IR-protocol.git
synced 2025-05-04 07:10:16 +00:00
34 lines
819 B
C++
34 lines
819 B
C++
#include "IR_config.h"
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void IR_FOX::setPin(uint8_t pin){
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this->pin = pin;
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port = digitalPinToPort(pin);
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mask = digitalPinToBitMask(pin);
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}
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void IR_FOX::checkAddressRuleApply(uint16_t address, uint16_t id, bool &flag)
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{
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flag = false;
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flag |= id == 0;
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flag |= address == id;
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flag |= address >= IR_Broadcast;
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}
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uint8_t IR_FOX::crc8(uint8_t *data, uint8_t start, uint8_t end, uint8_t poly)
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{ // TODO: сделать возможность межбайтовой проверки
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uint8_t crc = 0xff;
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size_t i, j;
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for (i = start; i < end; i++)
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{
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crc ^= data[i];
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for (j = 0; j < 8; j++)
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{
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if ((crc & 0x80) != 0)
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crc = (uint8_t)((crc << 1) ^ poly);
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else
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crc <<= 1;
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}
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}
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return crc;
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};
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