提交SMOD ATSC IMX APP版本 V122

2026-07-16 14:35:59 +08:00
commit 7601c270d5
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+/**
+  ******************************************************************************
+  * @file    netconf.c
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    31-October-2011
+  * @brief   Network connection configuration
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include <stdint.h>
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/dhcp.h"
+#include "ethernetif.h"
+#include "web_server.h"
+#include "netconf.h"
+#include "tcpip.h"
+#include "lcd_task.h"
+#include <stdio.h>
+
+/* Private typedef -----------------------------------------------------------*/
+typedef enum
+{
+  DHCP_START=0,
+  DHCP_WAIT_ADDRESS,
+  DHCP_ADDRESS_ASSIGNED,
+  DHCP_TIMEOUT
+}
+DHCP_State_TypeDef;
+/* Private define ------------------------------------------------------------*/
+#define MAX_DHCP_TRIES 5
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+struct netif xnetif; /* network interface structure */
+
+/* Private functions ---------------------------------------------------------*/
+/**
+  * @brief  Initializes the lwIP stack
+  * @param  None
+  * @retval None
+  */
+void LwIP_Init(void)
+{
+  ip_addr_t ipaddr;
+  ip_addr_t netmask;
+  ip_addr_t gw;
+
+  /* Create tcp_ip stack thread */
+  tcpip_init( NULL, NULL );
+
+  /* IP address setting & display on STM32_evalboard LCD*/
+#ifdef USE_DHCP
+  ipaddr.addr = 0;
+  netmask.addr = 0;
+  gw.addr = 0;
+#else
+  IP4_ADDR(&ipaddr, atsc_para.config_para.ip[0], atsc_para.config_para.ip[1], atsc_para.config_para.ip[2], atsc_para.config_para.ip[3]);
+  IP4_ADDR(&netmask, atsc_para.config_para.mask[0], atsc_para.config_para.mask[1] , atsc_para.config_para.mask[2], atsc_para.config_para.mask[3]);
+  IP4_ADDR(&gw, atsc_para.config_para.gateway[0], atsc_para.config_para.gateway[1], atsc_para.config_para.gateway[2], atsc_para.config_para.gateway[3]);
+#endif
+
+  /* - netif_add(struct netif *netif, struct ip_addr *ipaddr,
+            struct ip_addr *netmask, struct ip_addr *gw,
+            void *state, err_t (* init)(struct netif *netif),
+            err_t (* input)(struct pbuf *p, struct netif *netif))
+
+   Adds your network interface to the netif_list. Allocate a struct
+  netif and pass a pointer to this structure as the first argument.
+  Give pointers to cleared ip_addr structures when using DHCP,
+  or fill them with sane numbers otherwise. The state pointer may be NULL.
+
+  The init function pointer must point to a initialization function for
+  your ethernet netif interface. The following code illustrates it's use.*/
+
+  netif_add(&xnetif, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &tcpip_input);
+
+ /*  Registers the default network interface. */
+  netif_set_default(&xnetif);
+
+ /*  When the netif is fully configured this function must be called.*/
+  netif_set_up(&xnetif);
+}
+
+static ip_addr_t g_ip,g_mask,g_gate;
+static void lwIPPrivateNetworkConfigChange(void *parg)
+{
+    netif_set_addr(&xnetif,&g_ip,&g_mask,&g_gate);
+}
+
+void lwIPNetworkConfigChange(uint32 ip,uint32 mask,uint32 gate)
+{
+    g_ip.addr   = htonl(ip);
+    g_mask.addr = htonl(mask);
+    g_gate.addr = htonl(gate);
+
+    tcpip_callback(lwIPPrivateNetworkConfigChange,NULL);
+}
+
+#ifdef USE_DHCP
+/**
+  * @brief  LwIP_DHCP_Process_Handle
+  * @param  None
+  * @retval None
+  */
+void LwIP_DHCP_task(void * pvParameters)
+{
+  struct ip_addr ipaddr;
+  struct ip_addr netmask;
+  struct ip_addr gw;
+  uint32_t IPaddress;
+  //uint8_t iptab[4];
+  //uint8_t iptxt[20];
+  uint8_t DHCP_state;
+  DHCP_state = DHCP_START;
+
+  for (;;)
+  {
+    switch (DHCP_state)
+    {
+      case DHCP_START:
+      {
+        dhcp_start(&xnetif);
+        IPaddress = 0;
+        DHCP_state = DHCP_WAIT_ADDRESS;
+      }
+      break;
+
+      case DHCP_WAIT_ADDRESS:
+      {
+        /* Read the new IP address */
+        IPaddress = xnetif.ip_addr.addr;
+
+        if (IPaddress!=0)
+        {
+          DHCP_state = DHCP_ADDRESS_ASSIGNED;
+
+          /* Stop DHCP */
+          dhcp_stop(&xnetif);
+
+          /* end of DHCP process: LED1 stays ON*/
+          //STM_EVAL_LEDOn(LED1);
+          vTaskDelete(NULL);
+        }
+        else
+        {
+          /* DHCP timeout */
+          if (xnetif.dhcp->tries > MAX_DHCP_TRIES)
+          {
+            DHCP_state = DHCP_TIMEOUT;
+
+            /* Stop DHCP */
+            dhcp_stop(&xnetif);
+
+            /* Static address used */
+            IP4_ADDR(&ipaddr, IP_ADDR0 ,IP_ADDR1 , IP_ADDR2 , IP_ADDR3 );
+            IP4_ADDR(&netmask, NETMASK_ADDR0, NETMASK_ADDR1, NETMASK_ADDR2, NETMASK_ADDR3);
+            IP4_ADDR(&gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
+            netif_set_addr(&xnetif, &ipaddr , &netmask, &gw);
+
+            /* end of DHCP process: LED1 stays ON*/
+            //STM_EVAL_LEDOn(LED1);
+            vTaskDelete(NULL);
+          }
+        }
+      }
+      break;
+
+      default: break;
+    }
+
+    /* Toggle LED1 */
+    //STM_EVAL_LEDToggle(LED1);
+    /* wait 250 ms */
+    vTaskDelay(250/portTICK_RATE_MS);
+  }
+}
+#endif  /* USE_DHCP */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/