k_uart.h

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/*
 * KubOS Core Flight Services
 * Copyright (C) 2016 Kubos Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef K_UART_H
#define K_UART_H

#include <stdint.h>

struct uart_conf {
    const char *device;
    uint32_t baudrate;
    uint8_t databits;
    uint8_t stopbits;
    uint8_t paritysetting;
    uint8_t checkparity;
};

void uart_init(struct uart_conf *conf);

typedef void (*uart_callback_t) (void * extra_data, uint8_t *buf, int len, void *pxTaskWoken);
void uart_set_callback(void * arg, uart_callback_t callback);

void uart_insert(char c, void *pxTaskWoken);

void uart_putc(char c);

void uart_putstr(char *buf, int len);

char uart_getc(void);

int uart_messages_waiting(int handle);

static inline int uart_stdio_msgwaiting(void) {
    return uart_messages_waiting(0);
}

#endif /* K_UART_H_ */

/* @} */