Files
TemperatureSensor/W433DataTransmitter.h

36 lines
910 B
C++

#pragma once
#include <stdint.h>
#include <util/delay.h>
class W433DataTransmitter
{
private:
static constexpr uint16_t BIT_RATE = 2000;
static constexpr int32_t DELAY_US = 1000000/BIT_RATE;
static constexpr int16_t LONG_DELAY_MS = 10;
static constexpr uint16_t SIGNATURE = 0xb38;
volatile unsigned char * const _port;
const unsigned char _pin;
void sendSymbol(const uint8_t data);
void sendData(const uint8_t data);
static constexpr int SYMBOL_TABLE_SIZE = 16;
static constexpr uint8_t symbols[SYMBOL_TABLE_SIZE] =
{
0xd, 0xe, 0x13, 0x15, 0x16, 0x19, 0x1a, 0x1c,
0x23, 0x25, 0x26, 0x29, 0x2a, 0x2c, 0x32, 0x34
};
uint16_t calcCrc(const uint32_t data);
public:
W433DataTransmitter(volatile unsigned char * const port, const unsigned char pin);
void send(const uint8_t* const data, uint16_t length);
void send(const uint8_t data);
void sendPacket(const uint32_t data);
};