199 lines
5.1 KiB
C
199 lines
5.1 KiB
C
/* 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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/* 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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/* 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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/* 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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/* Initilialize the LwIP stack with RTOS */
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tcpip_init( NULL, NULL );
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/* IP addresses initialization with DHCP (IPv4) */
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ipaddr.addr = 0;
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netmask.addr = 0;
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gw.addr = 0;
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/* add the network interface (IPv4/IPv6) with RTOS */
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netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, ðernetif_init, &tcpip_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 H7_OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
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osThreadDef(EthLink, ethernet_link_thread, osPriorityBelowNormal, 0, configMINIMAL_STACK_SIZE *2);
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osThreadCreate (osThread(EthLink), &gnetif);
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netif_set_up(&gnetif);
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/* USER CODE END H7_OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
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/* Start DHCP negotiation for a network interface (IPv4) */
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dhcp_start(&gnetif);
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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 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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