Revision a7a56246

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toolbox/serial.c
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#include "serial.h"
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/atomic.h>
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static int rx_start = 0, rx_end = 0;
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static char rx_buffer[RX_BUFFER_SIZE];
......
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  // USBS = 0, 1 stop bit
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  // UCSZ = 3, 8-bit
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  // U2X = 1, use 8 prescale instead of 16 for a more accurate baud rate
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  UCSR1B = _BV(RXCIE1) | _BV(RXEN1) | _BV(TXEN1) | _BV(U2X1);
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  UCSR1A = _BV(U2X1);
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  UCSR1B = _BV(RXCIE1) | _BV(RXEN1) | _BV(TXEN1);
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  UCSR1C = _BV(UCSZ11) | _BV(UCSZ10);
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}
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