37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/* Copyright 2019 Michiel Visser
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
#include "hal.h"
|
|
|
|
typedef struct {
|
|
uint8_t *buf;
|
|
UARTDriver *uart;
|
|
size_t size;
|
|
volatile size_t sending_elements;
|
|
volatile size_t head;
|
|
volatile size_t tail;
|
|
} uart_tx_ringbuf_t;
|
|
|
|
int uart_tx_ringbuf_elements(uart_tx_ringbuf_t *ringbuf);
|
|
int uart_tx_ringbuf_space(uart_tx_ringbuf_t *ringbuf);
|
|
bool uart_tx_ringbuf_empty(uart_tx_ringbuf_t *ringbuf);
|
|
bool uart_tx_ringbuf_full(uart_tx_ringbuf_t *ringbuf);
|
|
void uart_tx_ringbuf_start_transmission(uart_tx_ringbuf_t *ringbuf);
|
|
void uart_tx_ringbuf_finish_transmission(uart_tx_ringbuf_t *ringbuf);
|
|
bool uart_tx_ringbuf_put(uart_tx_ringbuf_t *ringbuf, uint8_t c);
|
|
bool uart_tx_ringbuf_write(uart_tx_ringbuf_t *ringbuf, size_t count, void *data);
|