1 /* 2 * Copyright (c) 2022 Talkweb Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef _BSP_UART_H 17 #define _BSP_UART_H 18 19 #include "los_event.h" 20 #include "los_compiler.h" 21 #include <stdio.h> 22 23 #define CN_RCV_RING_BUFLEN 128 24 typedef struct { 25 int size; 26 int posW; 27 int posR; 28 int dataLen; 29 unsigned char *buf; 30 } RingBuffer; 31 32 int RingBufRead(RingBuffer *buf, unsigned char *data); 33 int RingBufWrite(RingBuffer *buf, unsigned char data); 34 int RingBufWriteMore(RingBuffer *buf, unsigned char* data, uint32_t size); 35 RingBuffer* RingBufInit(int size); 36 37 extern UART_HandleTypeDef huart1; 38 extern EVENT_CB_S g_shellInputEvent; 39 40 extern VOID ShellUartInit(VOID); 41 extern INT32 UartPutc(INT32 c, VOID *file); 42 extern uint8_t UartGetc(VOID); 43 44 #endif 45