2019-03-26 10:35:41 +00:00
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#ifndef USART_H
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#define USART_H
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#include <avr/io.h>
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2019-03-27 09:33:26 +00:00
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#include <util/delay.h>
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2019-03-26 10:35:41 +00:00
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#include <stdint.h>
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2019-03-29 12:35:18 +00:00
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constexpr uint32_t BAUDRATE = 115200; // 38400
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2019-03-28 14:22:17 +00:00
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constexpr uint8_t CRC7_POLY = 0x91;
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2019-04-01 06:37:00 +00:00
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constexpr uint8_t MAX_BLOCK_SIZE = 16;
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2019-03-26 10:35:41 +00:00
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class USART
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{
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public:
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void init(void);
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2019-03-29 12:35:18 +00:00
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void flush(void);
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2019-03-26 10:35:41 +00:00
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void writeByte(uint8_t);
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2019-03-26 14:02:58 +00:00
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void writeInt(uint16_t);
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void writeLong(uint32_t);
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2019-03-27 14:48:36 +00:00
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void writeStr(const char*, uint8_t);
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2019-03-28 14:22:17 +00:00
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uint8_t writeBlock(uint8_t*, uint8_t);
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2019-03-26 10:35:41 +00:00
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uint8_t readByte(void);
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2019-03-26 14:02:58 +00:00
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uint16_t readInt(void);
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uint32_t readLong(void);
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void readBlock(uint8_t*, uint8_t);
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2019-03-26 10:35:41 +00:00
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constexpr static uint8_t MSG_OK = 0xFF;
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constexpr static uint8_t MSG_FAIL = 0xFE;
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};
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#endif // USART_H
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