1 2 // Copyright 2018 Espressif Systems (Shanghai) PTE LTD 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 #ifndef _UART_SELECT_H_ 17 #define _UART_SELECT_H_ 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 #include "driver/uart.h" 24 25 typedef enum { 26 UART_SELECT_READ_NOTIF, 27 UART_SELECT_WRITE_NOTIF, 28 UART_SELECT_ERROR_NOTIF, 29 } uart_select_notif_t; 30 31 typedef void (*uart_select_notif_callback_t)(uart_port_t uart_num, uart_select_notif_t uart_select_notif, BaseType_t *task_woken); 32 33 /** 34 * @brief Set notification callback function for select() events 35 * @param uart_num UART port number 36 * @param uart_select_notif_callback callback function 37 */ 38 void uart_set_select_notif_callback(uart_port_t uart_num, uart_select_notif_callback_t uart_select_notif_callback); 39 40 /** 41 * @brief Get mutex guarding select() notifications 42 */ 43 portMUX_TYPE *uart_get_selectlock(void); 44 45 #ifdef __cplusplus 46 } 47 #endif 48 49 #endif //_UART_SELECT_H_ 50