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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* This file is part of the F303usart project.
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* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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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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#pragma once
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#ifndef __USART_H__
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#define __USART_H__
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#include "hardware.h"
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#define USARTNUM (3)
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// input and output buffers size
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#define UARTBUFSZI (80)
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#define UARTBUFSZO (80)
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// timeout between data bytes
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#ifndef TIMEOUT_MS
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#define TIMEOUT_MS (1500)
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#endif
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// macro for static strings
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#define SEND(n, str) usart_send(n, str)
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#define usartrx(n) (linerdy[n-1])
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#define usartovr(n) (bufovr[n-1])
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extern volatile int linerdy[], bufovr[], txrdy[];
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void transmit_tbuf();
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void usart_setup();
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int usart_getline(int usartno, char **line);
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void usart_send(int usartno, const char *str);
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void usart_sendn(int usartno, const char *str, uint32_t L);
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void newline(int usartno);
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void usart_putchar(int usartno, const char ch);
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void usart_stop();
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#endif // __USART_H__
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