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57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* This file is part of the TM1637 project.
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* Copyright 2019 Edward Emelianov <eddy@sao.ru>.
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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 "stm32f0.h"
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// input and output buffers size
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#define UARTBUFSZ (64)
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// timeout between data bytes
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#define TIMEOUT_MS (100)
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typedef enum{
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ALL_OK,
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LINE_BUSY,
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STR_TOO_LONG
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} TXstatus;
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#define usart1ovr() (bufovr)
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// send constant string
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#define SEND_BLK(x) do{while(LINE_BUSY == usart1_send_blocking(x, sizeof(x)-1)) IWDG->KR = IWDG_REFRESH;}while(0)
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#define SEND(x) do{while(LINE_BUSY == usart1_send(x, sizeof(x)-1)) IWDG->KR = IWDG_REFRESH;}while(0)
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extern uint8_t bufovr;
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void USART1_config();
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int usart1_getline(char **line);
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TXstatus usart1_send(const char *str, int len);
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TXstatus usart1_send_blocking(const char *str, int len);
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TXstatus usart1_sendbuf();
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int put_char(char c);
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int put_string(const char *str);
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int put_int(int32_t N);
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int put_uint(uint32_t N);
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char *getnum(const char *buf, int32_t *N);
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#endif // __USART_H__
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