mirror of
https://github.com/sigmasternchen/chaOS
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35 lines
1 KiB
C
35 lines
1 KiB
C
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#ifndef SERIAL_H
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#define SERIAL_H
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#include <avr/io.h>
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enum Parity {no, even, odd};
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enum Baudrate {b2400, b4800, b9600, b19200, b38400, b57600, b155200};
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enum Stopbits {s1, s2};
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enum Databits {d8, d9};
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void initSerial(enum Baudrate, enum Databits, enum Parity, enum Stopbits);
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#define enableTransmitter() (UCSRB |= (1 << TXEN))
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#define disableTransmitter() (UCSRB &= ~(1 << TXEN))
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#define enableReceiver() (UCSRB |= (1 << RXEN))
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#define disableReceiver() (UCSRB &= ~(1 << RXEN))
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#define enableReceiveInterrupt() (UCSRB |= (1 << RXCIE))
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#define disableReceiveInterrupt() (UCSRB &= ~(1 << RXCIE))
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#define enableTransmitCompleteInterrupt() (UCSRB |= (1 << TXCIE))
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#define disableTransmitCompleteInterrupt() (UCSRB &= ~(1 << TXCIE))
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#define enableDataRegisterEmptyInterrupt() (UCSRB |= (1 << UDRIE))
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#define disableDataRegisterEmptyInterrupt() (UCSRB &= ~(1 << UDRIE))
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#define characterGot() (UCSRA & (1 << RXC))
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#define dataRegisterEmpty() (UCSRA & (1 << UDRE))
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#define sRead() (UDR)
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#define sWrite(c) (UDR = c)
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#endif
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