1 /* 2 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, this list of 8 * conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __LAN8720_H 32 #define __LAN8720_H 33 #include "system.h" 34 #include "stm32f4x7_eth.h" 35 36 #define LAN8720_PHY_ADDRESS 0x00 37 #define LAN8720_RST PDout(3) 38 39 extern ETH_DMADESCTypeDef *DMARxDscrTab; 40 extern ETH_DMADESCTypeDef *DMATxDscrTab; 41 extern uint8_t *Rx_Buff; 42 extern uint8_t *Tx_Buff; 43 extern ETH_DMADESCTypeDef *DMATxDescToSet; 44 extern ETH_DMADESCTypeDef *DMARxDescToGet; 45 extern ETH_DMA_Rx_Frame_infos *DMA_RX_FRAME_infos; 46 47 u8 LAN8720Init(void); 48 u8 LAN8720GetSpeed(void); 49 u8 EthMacdmaConf(void); 50 FrameTypeDef EthRxPacket(void); 51 u8 EthTxPacket(u16 frameLength); 52 u32 EthGetCurrentTxBuffer(void); 53 u8 EthMemMalloc(void); 54 void EthMemFree(void); 55 void EthIrqHandler(void); 56 57 #endif 58