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38 lines
676 B
C
38 lines
676 B
C
#ifndef _UART_H_
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#define _UART_H_
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#include <stdio.h>
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#define BAUD 9600
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#define BAUDRATE ((F_CPU)/(BAUD*16UL)-1)
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#define UART_BAUD_REGH UBRR0H
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#define UART_BAUD_REGL UBRR0L
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#define UART_CTRL_REGA UCSR0A
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#define UART_CTRL_REGB UCSR0B
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#define UART_CTRL_REGC UCSR0C
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// UCSRA
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#define UART_UDRE_BM UDRE0
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#define UART_RXC_BM RXC0
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// UCSRB
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#define UART_TXEN_BM TXEN0
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#define UART_RXEN_BM RXEN0
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#define UART_RXCIE_BM RXCIE0
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// UCSRC
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#define UART_URSEL_BM 0 /* only for old atmega */
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#define UART_UCSZ0_BM UCSZ00
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#define UART_UCSZ1_BM UCSZ01
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#define UART_DATA_REG UDR0
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void uart_init (void);
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void read_sync(char buffer[], uint8_t buffersize, uint8_t * bufferindex);
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#endif
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