Added an +/- empty stm32f746 project
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260
project/LWIP/App/lwip.c
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260
project/LWIP/App/lwip.c
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* File Name : LWIP.c
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* Description : This file provides initialization code for LWIP
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* middleWare.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "lwip.h"
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#include "lwip/init.h"
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#include "lwip/netif.h"
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#if defined ( __CC_ARM ) /* MDK ARM Compiler */
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#include "lwip/sio.h"
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#endif /* MDK ARM Compiler */
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#include "ethernetif.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* Private function prototypes -----------------------------------------------*/
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static void ethernet_link_status_updated(struct netif *netif);
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static void Ethernet_Link_Periodic_Handle(struct netif *netif);
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/* ETH Variables initialization ----------------------------------------------*/
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void Error_Handler(void);
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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uint32_t EthernetLinkTimer;
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/* Variables Initialization */
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struct netif gnetif;
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ip4_addr_t ipaddr;
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ip4_addr_t netmask;
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ip4_addr_t gw;
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uint8_t IP_ADDRESS[4];
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uint8_t NETMASK_ADDRESS[4];
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uint8_t GATEWAY_ADDRESS[4];
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/* USER CODE BEGIN 2 */
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/* USER CODE END 2 */
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/**
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* LwIP initialization function
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*/
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void MX_LWIP_Init(void)
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{
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/* IP addresses initialization */
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IP_ADDRESS[0] = 192;
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IP_ADDRESS[1] = 168;
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IP_ADDRESS[2] = 69;
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IP_ADDRESS[3] = 10;
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NETMASK_ADDRESS[0] = 255;
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NETMASK_ADDRESS[1] = 255;
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NETMASK_ADDRESS[2] = 255;
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NETMASK_ADDRESS[3] = 0;
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GATEWAY_ADDRESS[0] = 0;
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GATEWAY_ADDRESS[1] = 0;
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GATEWAY_ADDRESS[2] = 0;
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GATEWAY_ADDRESS[3] = 0;
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/* USER CODE BEGIN IP_ADDRESSES */
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/* USER CODE END IP_ADDRESSES */
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/* Initilialize the LwIP stack without RTOS */
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lwip_init();
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/* IP addresses initialization without DHCP (IPv4) */
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IP4_ADDR(&ipaddr, IP_ADDRESS[0], IP_ADDRESS[1], IP_ADDRESS[2], IP_ADDRESS[3]);
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IP4_ADDR(&netmask, NETMASK_ADDRESS[0], NETMASK_ADDRESS[1] , NETMASK_ADDRESS[2], NETMASK_ADDRESS[3]);
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IP4_ADDR(&gw, GATEWAY_ADDRESS[0], GATEWAY_ADDRESS[1], GATEWAY_ADDRESS[2], GATEWAY_ADDRESS[3]);
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/* add the network interface (IPv4/IPv6) without RTOS */
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netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, ðernetif_init, ðernet_input);
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/* Registers the default network interface */
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netif_set_default(&gnetif);
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if (netif_is_link_up(&gnetif))
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{
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/* When the netif is fully configured this function must be called */
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netif_set_up(&gnetif);
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}
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else
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{
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/* When the netif link is down this function must be called */
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netif_set_down(&gnetif);
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}
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/* Set the link callback function, this function is called on change of link status*/
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netif_set_link_callback(&gnetif, ethernet_link_status_updated);
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/* Create the Ethernet link handler thread */
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/* USER CODE BEGIN 3 */
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/* USER CODE END 3 */
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}
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#ifdef USE_OBSOLETE_USER_CODE_SECTION_4
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/* Kept to help code migration. (See new 4_1, 4_2... sections) */
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/* Avoid to use this user section which will become obsolete. */
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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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#endif
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/**
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* @brief Ethernet Link periodic check
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* @param netif
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* @retval None
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*/
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static void Ethernet_Link_Periodic_Handle(struct netif *netif)
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{
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/* USER CODE BEGIN 4_4_1 */
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/* USER CODE END 4_4_1 */
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/* Ethernet Link every 100ms */
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if (HAL_GetTick() - EthernetLinkTimer >= 100)
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{
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EthernetLinkTimer = HAL_GetTick();
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ethernet_link_check_state(netif);
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}
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/* USER CODE BEGIN 4_4 */
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/* USER CODE END 4_4 */
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}
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/**
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* ----------------------------------------------------------------------
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* Function given to help user to continue LwIP Initialization
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* Up to user to complete or change this function ...
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* Up to user to call this function in main.c in while (1) of main(void)
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*-----------------------------------------------------------------------
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* Read a received packet from the Ethernet buffers
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* Send it to the lwIP stack for handling
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* Handle timeouts if LWIP_TIMERS is set and without RTOS
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* Handle the llink status if LWIP_NETIF_LINK_CALLBACK is set and without RTOS
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*/
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void MX_LWIP_Process(void)
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{
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/* USER CODE BEGIN 4_1 */
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/* USER CODE END 4_1 */
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ethernetif_input(&gnetif);
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/* USER CODE BEGIN 4_2 */
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/* USER CODE END 4_2 */
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/* Handle timeouts */
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sys_check_timeouts();
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Ethernet_Link_Periodic_Handle(&gnetif);
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/* USER CODE BEGIN 4_3 */
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/* USER CODE END 4_3 */
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}
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/**
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* @brief Notify the User about the network interface config status
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* @param netif: the network interface
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* @retval None
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*/
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static void ethernet_link_status_updated(struct netif *netif)
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{
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if (netif_is_up(netif))
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{
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/* USER CODE BEGIN 5 */
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/* USER CODE END 5 */
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}
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else /* netif is down */
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{
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/* USER CODE BEGIN 6 */
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/* USER CODE END 6 */
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}
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}
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#if defined ( __CC_ARM ) /* MDK ARM Compiler */
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/**
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* Opens a serial device for communication.
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*
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* @param devnum device number
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* @return handle to serial device if successful, NULL otherwise
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*/
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sio_fd_t sio_open(u8_t devnum)
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{
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sio_fd_t sd;
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/* USER CODE BEGIN 7 */
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sd = 0; // dummy code
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/* USER CODE END 7 */
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return sd;
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}
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/**
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* Sends a single character to the serial device.
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*
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* @param c character to send
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* @param fd serial device handle
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*
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* @note This function will block until the character can be sent.
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*/
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void sio_send(u8_t c, sio_fd_t fd)
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{
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/* USER CODE BEGIN 8 */
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/* USER CODE END 8 */
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}
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/**
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* Reads from the serial device.
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*
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* @param fd serial device handle
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* @param data pointer to data buffer for receiving
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* @param len maximum length (in bytes) of data to receive
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* @return number of bytes actually received - may be 0 if aborted by sio_read_abort
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*
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* @note This function will block until data can be received. The blocking
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* can be cancelled by calling sio_read_abort().
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*/
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u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
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{
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u32_t recved_bytes;
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/* USER CODE BEGIN 9 */
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recved_bytes = 0; // dummy code
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/* USER CODE END 9 */
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return recved_bytes;
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}
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/**
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* Tries to read from the serial device. Same as sio_read but returns
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* immediately if no data is available and never blocks.
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*
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* @param fd serial device handle
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* @param data pointer to data buffer for receiving
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* @param len maximum length (in bytes) of data to receive
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* @return number of bytes actually received
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*/
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u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len)
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{
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u32_t recved_bytes;
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/* USER CODE BEGIN 10 */
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recved_bytes = 0; // dummy code
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/* USER CODE END 10 */
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return recved_bytes;
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}
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#endif /* MDK ARM Compiler */
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76
project/LWIP/App/lwip.h
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76
project/LWIP/App/lwip.h
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@@ -0,0 +1,76 @@
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* File Name : LWIP.h
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* Description : This file provides code for the configuration
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* of the LWIP.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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*************************************************************************
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*/
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/* USER CODE END Header */
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __mx_lwip_H
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#define __mx_lwip_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "lwip/opt.h"
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#include "lwip/mem.h"
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#include "lwip/memp.h"
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#include "netif/etharp.h"
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#include "lwip/dhcp.h"
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#include "lwip/netif.h"
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#include "lwip/timeouts.h"
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#include "ethernetif.h"
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/* Includes for RTOS ---------------------------------------------------------*/
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#if WITH_RTOS
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#include "lwip/tcpip.h"
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#endif /* WITH_RTOS */
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* Global Variables ----------------------------------------------------------*/
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extern ETH_HandleTypeDef heth;
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/* LWIP init function */
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void MX_LWIP_Init(void);
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#if !WITH_RTOS
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/* USER CODE BEGIN 1 */
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/* Function defined in lwip.c to:
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* - Read a received packet from the Ethernet buffers
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* - Send it to the lwIP stack for handling
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* - Handle timeouts if NO_SYS_NO_TIMERS not set
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*/
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void MX_LWIP_Process(void);
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/* USER CODE END 1 */
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#endif /* WITH_RTOS */
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#ifdef __cplusplus
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}
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#endif
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#endif /*__ mx_lwip_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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