38 lines
1.3 KiB
C

/*
* This file is part of the ir-allsky project.
* Copyright 2025 Edward V. Emelianov <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 3 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, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "hardware.h"
// timeout of TXrdy waiting
#define RXRDY_TMOUT (100)
// DMA transmission and reception buffers' size
#define UARTBUFSZI (128)
#define UARTBUFSZO (256)
// and circular buffer for big transmissions - 5k
#define DMARBSZ (5120)
int usart_ovr(); // RX overfull occured
void usart_process(); // send next data portion
int usart_setup(uint32_t speed); // set USART1 with given speed
char *usart_getline(int *len); // read from rbin to buf
int usart_sendstr(const char *str);
int usart_putchar(const char ch);
void usart_stop();