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61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#ifndef _UART_H
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#define _UART_H
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/*!
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* Very simple software UART for AVR microcontrollers
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* (C) 2016 Stuart Longland
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdint.h>
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/*!
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* Configure the UART pins.
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*/
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void uart_init();
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/*!
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* UART tick timer
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*/
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void uart_tick();
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/*!
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* Send a raw byte to the UART.
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*/
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void uart_tx(uint8_t byte);
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/*!
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* Send a text string (in pgmspace) to the UART.
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* String shall be null-terminated!
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*/
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void uart_tx_str(const char* str);
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/*!
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* Send a 8-bit byte to the UART.
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*/
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void uart_tx_hex_byte(uint8_t byte);
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/*!
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* Send a 16-bit word to the UART.
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*/
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void uart_tx_hex_word(uint16_t word);
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/*!
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* Send a 32-bit long word to the UART.
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*/
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void uart_tx_hex_lword(uint32_t lword);
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#endif
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