bt-67xx_universal_hw/service_hw/Ethernet/netconf.c

#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/dhcp.h"
#include "ethernetif.h"
#include "common_config.h"
#include "netconf.h"
#include "tcpip.h"
#include "main.h"
#include "settings_api.h"
#include "parameters.h"
#include "stm32f4x7_eth.h"

#ifdef PRINTF_STDLIB
#include <stdio.h>
#endif
#ifdef PRINTF_CUSTOM
#include "tinystdio.h"
#endif
#include <string.h>


#define MAX_DHCP_TRIES 10

#define TIME_COUNTER_10_MIN   600
#define TIME_COUNTER_1_MIN    60

/**
  * @brief  Network interface structure
  */
struct netif xnetif; 


/**
  * @brief  Флаг ининциализации Eth интерфейса
  */
unsigned char eth_ready_flag = 0;

/**
  * @brief  Задача получения сетевый параметров по DHCP протоколу
  */
TaskHandle_t xHandleDHCP = NULL;

/**
  * @brief  Общая структура настроек
  */
extern SETTINGS_t sSettings;


void LwIP_Init(void)
{
  struct ip4_addr ipaddr;
  struct ip4_addr netmask;
  struct ip4_addr gw;
  uint16_t reg = 0;
  
  tcpip_init( NULL, NULL );	
  
  ipaddr.addr = 0;
  netmask.addr = 0;
  gw.addr = 0;
	
  netif_add(&xnetif, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &tcpip_input);
  netif_set_default(&xnetif);
  netif_set_link_up(&xnetif);
  netif_set_up(&xnetif); 
    	  
  /* Проверяем наличие линка */
 // reg = ETH_ReadPHYRegister(0, 1);

//  if (reg & 4)
    xTaskCreate(LwIP_DHCP_task, "DHCPClient", configMINIMAL_STACK_SIZE * 2, NULL,
                tskIDLE_PRIORITY + 2, &xHandleDHCP);
}

void init_get_ip_address_controller(void){
	 xTaskCreate(LwIP_DHCP_task, "DHCPClient", configMINIMAL_STACK_SIZE * 2, NULL,
	                tskIDLE_PRIORITY + 2, &xHandleDHCP);
}

/**
  * @brief  LwIP_DHCP_Process_Handle
  * @param  None
  * @retval None
  */
void LwIP_DHCP_task(void * pvParameters)
{
  struct ip4_addr ipaddr;
  struct ip4_addr netmask;
  struct ip4_addr gw;
  uint8_t DHCP_state;  
  DHCP_state = DHCP_START;
  static uint8_t dhcpTry = 0;

  for (;;)
  {
    switch (DHCP_state)
    {
      case DHCP_START:
      {
        dhcp_start(&xnetif);
        DHCP_state = DHCP_WAIT_ADDRESS;
        //PRINT_USART("\n\rLooking for DHCP server please wait...\n\r");
      }
      break;

      case DHCP_WAIT_ADDRESS:
      {
        /* Read the new IP address */
        ipaddr = xnetif.ip_addr;
        netmask = xnetif.netmask;
        gw = xnetif.gw;
        	
		
		
        if (ipaddr.addr != 0) 
        {
          DHCP_state = DHCP_ADDRESS_ASSIGNED;	
          dhcp_stop(&xnetif);
          
		  PRINT_USART("Parameters assigned by a DHCP server:\n\r     IP:   ");
          PRINT_USART(ipaddr_ntoa(&ipaddr));
		  
		  PRINT_USART("\n\r");
          
		  PRINT_USART("Netmask:   ");
		  PRINT_USART(ipaddr_ntoa(&netmask));
		  PRINT_USART("\n\r");
		  
		  PRINT_USART("Gateway:   ");
		  PRINT_USART(ipaddr_ntoa(&gw));
		  PRINT_USART("\n\r");
          
		  printf("ETH OK\r\n");
		  
		  /* Установлен динамический IP. *
		   * Ждем инициализацию интерфейса и выставляем флаг готовности. */
		  vTaskDelay(2000);
		  eth_ready_flag = 1;

          vTaskDelete(xHandleDHCP);
        }
        else
        {
          /* DHCP timeout */
          if (dhcpTry++ > MAX_DHCP_TRIES)
          {
              DHCP_state = DHCP_TIMEOUT;

              /* Stop DHCP */
              dhcp_stop(&xnetif);

  		/*	if (sSettings.sFlags.netsettingsChanged == true)
  		    {
  			  ipaddr.addr = ipaddr_addr(sSettings.sWebTempParams.ip);
  	          netmask.addr = ipaddr_addr(sSettings.sWebTempParams.mask);
  	          gw.addr = ipaddr_addr(sSettings.sWebTempParams.gate);
  			}
  			else
  			{
  			  ipaddr.addr = ipaddr_addr(sSettings.sWebParams.ip);
  	          netmask.addr = ipaddr_addr(sSettings.sWebParams.mask);
  	          gw.addr = ipaddr_addr(sSettings.sWebParams.gate);
  			}

              //Static address used
              netif_set_addr(&xnetif, &ipaddr , &netmask, &gw);

              printf("DHCP timeout\n\r");
              printf("\n\rStatic IP address\n\r");
  			printf(ipaddr_ntoa(&ipaddr));
  		    printf("\n\r");*/

  		    /* Установлен динамический IP. *
  		    * Ждем инициализацию интерфейса и выставляем флаг готовности. */
  		    vTaskDelay(2000);
  		    eth_ready_flag = 0;

  			vTaskDelete(xHandleDHCP);
          }
        }
      }
      break;

      default: break;
    }

    vTaskDelay(1250);
  }   
}

/*********** Portions COPYRIGHT 2012 Embest Tech. Co., Ltd.*****END OF FILE****/