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d9656de88f
* Bumped compatibility version to 3 * firmware: Ethernet, clkdist bugfixes * lib: fixed invalid rev detection
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Copyright 2014 Ettus Research LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <octoclock.h>
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#include <usart.h>
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#include <util/delay.h>
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#include <avr/io.h>
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void usart_init(void){
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UCSR1B = (1 << TXEN) | (1 << RXEN) | (1 << RXCIE); //Turn on TX/RX circuitry, enable RX interrupts
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UCSR1C = (3 << UCSZ0); //Use 8-bit character sizes, 1 stop bit, no parity
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UBRR1H = (uint8_t)(BAUD_PRESCALE >> 8);
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UBRR1L = (uint8_t)BAUD_PRESCALE;
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}
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char usart_getc(void){
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while((UCSR1A & (1 << RXC)) == 0);
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return UDR1;
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}
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void usart_putc(char ch){
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while((UCSR1A & (1 << UDRE1)) == 0);
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UDR1 = ch;
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}
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