/*
 * usart.h
 *
 * Copyright 2018 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#pragma once

#include <stdint.h>

#define UARTBUFSZO  (1024)

// macro for static strings
#define USEND(str) usart_send(str)

#ifdef EBUG
#define STR_HELPER(s)   #s
#define STR(s)          STR_HELPER(s)
#define DBG(str)  do{usart_send(__FILE__ " (L" STR(__LINE__) "): " str); usart_putchar('\n');}while(0)
#define DBGs(str) do{usart_send(str); usart_putchar('\n');}while(0)
#else
#define DBG(s)
#define DBGs(s)
#endif

void usart_transmit();
void usart_setup();
void usart_send(const char *str);
void usart_putchar(const char ch);
char *uhex2str(uint32_t val);