40 lines
847 B
C
40 lines
847 B
C
#ifndef UART_H
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#define UART_H
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/**
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* UART Library
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*
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* #define F_CPU 16000000 // Oszillator-Frequenz in Hz
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* #define UART_INTERRUPT 1
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* #define UART_BAUD_RATE 19200
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* #define UART_RXBUFSIZE 16
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* #define UART_TXBUFSIZE 16
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* #define UART_LINE_BUFFER_SIZE 40
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* #define UART_LEDS // LED1 and LED2 toggle on tx and rx interrupt
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*
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*/
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#include "config.h"
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#include <inttypes.h>
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#include <avr/pgmspace.h>
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void uart_init(void);
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void uart_putc(char c);
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void uart_putstr(char * str);
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void uart_putstr_P(PGM_P str);
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void uart_hexdump(void* buf, int len);
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char uart_getc(void);
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char uart_getc_nb(char *c); /* returns 1 on success */
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/*
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get one Cariage return terminated line
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echo charakters back on Uart
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returns buffer with zero terminated line on success, 0 pointer otherwise
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*/
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char * uart_getline_nb(void);
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#endif
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