STM32H723ZGT6 LAN8720A LWIP

news2024/11/28 7:45:55

Stm32CubeMX 版本：6.8.1

硬件库版本：STM32Cube FW_H7 V1.11.0

usart.c

#include <stdio.h>
#if 1
         
//标准库需要的支持函数                 
struct __FILE 
{ 
	int handle; 
}; 


FILE __stdout;   

//定义_sys_exit()以避免使用半主机模式    
void _sys_exit(int x) 
{ 
	x = x; 
} 

//重定义fputc函数 
int fputc(int ch, FILE *f)
{ 	
	while((USART1->ISR&0X40)==0);//循环发送,直到发送完毕   
	USART1->TDR=(uint8_t)ch;      
	return ch;
}
#endif 

cc.h

/* Define random number generator function */
#define LWIP_RAND() ((u32_t)rand())
																		 
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma location = 0x30000400
extern unsigned char memp_memory_RX_POOL_base[];
 
#elif defined ( __CC_ARM )  /* MDK ARM Compiler */
extern unsigned char __attribute__((at(0x30000400))) memp_memory_RX_POOL_base[];
 
#elif defined ( __GNUC__ ) /* GNU Compiler */
extern unsigned char memp_memory_RX_POOL_base[] __attribute__((section(".Rx_PoolSection")));
#endif 	
#endif /* __CC_H__ */

ethernetif.c

  /* Accept broadcast address and ARP traffic */
  /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
  #if LWIP_ARP
    netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
  #else
    netif->flags |= NETIF_FLAG_BROADCAST;
  #endif /* LWIP_ARP */

/* USER CODE BEGIN PHY_PRE_CONFIG */
	HAL_GPIO_WritePin(ETH_RESET_GPIO_Port,ETH_RESET_Pin,GPIO_PIN_RESET);
	HAL_Delay(50);
	HAL_GPIO_WritePin(ETH_RESET_GPIO_Port,ETH_RESET_Pin,GPIO_PIN_SET);
	HAL_Delay(50);
/* USER CODE END PHY_PRE_CONFIG */
  /* Set PHY IO functions */
  LAN8742_RegisterBusIO(&LAN8742, &LAN8742_IOCtx);

  /* Initialize the LAN8742 ETH PHY */
  LAN8742_Init(&LAN8742);


if(linkchanged)
    {
      /* Get MAC Config MAC */
      HAL_ETH_GetMACConfig(&heth, &MACConf);
      MACConf.DuplexMode = duplex;
      MACConf.Speed = speed;
      HAL_ETH_SetMACConfig(&heth, &MACConf);
      //HAL_ETH_Start(&heth);
			HAL_ETH_Start_IT(&heth);
      netif_set_up(netif);
      netif_set_link_up(netif);
    }


lwip.c  添加函数一下函数 注释掉it.c  void ETH_IRQHandler(void)

void ETH_IRQHandler(void)
{
  /* USER CODE BEGIN ETH_IRQn 0 */
  ethernetif_input(&gnetif);
  /* USER CODE END ETH_IRQn 0 */
  HAL_ETH_IRQHandler(&heth);
	
  /* USER CODE BEGIN ETH_IRQn 1 */

  /* USER CODE END ETH_IRQn 1 */
}


main.c

void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Supply configuration update enable
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);

  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}

	__HAL_RCC_D2SRAM1_CLK_ENABLE();
	__HAL_RCC_D2SRAM2_CLK_ENABLE();
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.


MX_GPIO_Init();
MX_USART1_UART_Init();
HAL_Delay(500);
MX_LWIP_Init();