esp-idf/components/esp_driver_uart/include/driver/uart_select.h

42 wiersze
933 B
C

/*
* SPDX-FileCopyrightText: 2018-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _UART_SELECT_H_
#define _UART_SELECT_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "driver/uart.h"
typedef enum {
UART_SELECT_READ_NOTIF,
UART_SELECT_WRITE_NOTIF,
UART_SELECT_ERROR_NOTIF,
} uart_select_notif_t;
typedef void (*uart_select_notif_callback_t)(uart_port_t uart_num, uart_select_notif_t uart_select_notif, BaseType_t *task_woken);
/**
* @brief Set notification callback function for select() events
* @param uart_num UART port number
* @param uart_select_notif_callback callback function
*/
void uart_set_select_notif_callback(uart_port_t uart_num, uart_select_notif_callback_t uart_select_notif_callback);
/**
* @brief Get mutex guarding select() notifications
*/
portMUX_TYPE *uart_get_selectlock(void);
#ifdef __cplusplus
}
#endif
#endif //_UART_SELECT_H_