libws libws
WSwan hardware library for the Wonderful toolchain
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uart.h
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1/*
2 * Copyright (c) 2022 Adrian "asie" Siekierka
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 *
8 * Permission is granted to anyone to use this software for any purpose,
9 * including commercial applications, and to alter it and redistribute it
10 * freely, subject to the following restrictions:
11 *
12 * 1. The origin of this software must not be misrepresented; you must not
13 * claim that you wrote the original software. If you use this software
14 * in a product, an acknowledgment in the product documentation would be
15 * appreciated but is not required.
16 *
17 * 2. Altered source versions must be plainly marked as such, and must not be
18 * misrepresented as being the original software.
19 *
20 * 3. This notice may not be removed or altered from any source distribution.
21 */
22
26
27#ifndef LIBWS_UART_H_
28#define LIBWS_UART_H_
29
30#include <stdbool.h>
31#include <stdint.h>
32#include "ports.h"
33#include "util.h"
34
39
40static inline void ws_uart_open(uint8_t baud_rate) {
42}
43
44static inline void ws_uart_close(void) {
45 outportb(WS_UART_CTRL_PORT, 0x00);
46}
47
48static inline bool ws_uart_is_rx_overrun(void) {
50}
51
52static inline void ws_uart_ack_rx_overrun(void) {
54}
55
56static inline bool ws_uart_is_rx_ready(void) {
58}
59
60static inline bool ws_uart_is_tx_ready(void) {
62}
63
64uint8_t ws_uart_getc(void);
66void ws_uart_putc(uint8_t value);
67
69
70#endif /* LIBWS_UART_H_ */
#define WS_UART_CTRL_ENABLE
Definition ports.h:1109
#define WS_UART_CTRL_RX_OVERRUN
Definition ports.h:1131
#define WS_UART_CTRL_RX_READY
Definition ports.h:1135
#define WS_UART_CTRL_TX_READY
Definition ports.h:1127
#define WS_UART_CTRL_RX_OVERRUN_RESET
Definition ports.h:1123
#define WS_UART_CTRL_PORT
Definition ports.h:1105
uint8_t ws_uart_getc(void)
void ws_uart_putc(uint8_t value)
static void ws_uart_close(void)
Definition uart.h:44
static void ws_uart_open(uint8_t baud_rate)
Definition uart.h:40
static bool ws_uart_is_tx_ready(void)
Definition uart.h:60
static void ws_uart_ack_rx_overrun(void)
Definition uart.h:52
static bool ws_uart_is_rx_overrun(void)
Definition uart.h:48
int16_t ws_uart_getc_nonblock(void)
static bool ws_uart_is_rx_ready(void)
Definition uart.h:56