main.c

使用silabs提供的协议栈做的一个基于c8051f的web服务器。ps:绝不是那个常见的简单web服务器。

//------------------------------------------------------------------------------
// main.c
//------------------------------------------------------------------------------
// Copyright (C) 2005 Silicon Laboratories, Inc.
//
// Date: 12/05/07 18:37:14
// Target: C8051F34x 
//
// Description:
//    This file contains the main routine, MCU initialization code, and
//    callback functions used by the TCP/IP Library.
//
// Generated by TCP/IP Configuration Wizard Version 3.23
//
#include "mn_userconst.h"                      // TCP/IP Library Constants
#include "mn_stackconst.h"                     // TCP/IP Library Constants
#include "mn_errs.h"                           // Library Error Codes
#include "mn_defs.h"                           // Library Type definitions
#include "mn_funcs.h"                          // Library Function Prototypes
#include "VFILE_DIR\index.h"
#include <c8051F340.h>                         // Device-specific SFR Definitions


//------------------------------------------------------------------------------
// Function Prototypes
//------------------------------------------------------------------------------

// Initialization Routines
void PORT_Init (void);
void SYSCLK_Init (void);
void EMIF_Init(void);

//-----------------------------------------------------------------------------
// Main Routine
//-----------------------------------------------------------------------------
void main(void)
{

   // Disable watchdog timer
   PCA0MD = 0x00;

   // Initialize the MCU
   PORT_Init();
   SYSCLK_Init();

   EMIF_Init();

   // Initialize the TCP/IP stack.
   if (mn_init() < 0)
   {
      // If code execution enters this while(1) loop, the stack failed to initialize.
      // Verify that all boards are connected and powered properly.
      while(1);
   }

   // mn_ether_init() initializes the Ethernet controller.
   // FULL_DUPLEX indicates that the controller will be configured for
   //    full duplex operation.
   if (mn_ether_init(FULL_DUPLEX) < 0)
   {
      // If code execution enters this while(1) loop, the Ethernet controller failed
      // to initialize.
      // Verify that the Ethernet controller is connected and powered properly.
      // Verity that the EMIF has been configured at a speed compatible with the
      //    Ethernet controller.
      while(1);
   }

   // Add web page to virtual file system.
   // The main page MUST be called index.htm or index.html.
   mn_vf_set_entry((byte *)"index.html", INDEX_SIZE, index_html, VF_PTYPE_FLASH);

   // Use DHCP to obtain an IP address.
   if (mn_dhcp_start(PTR_NULL, dhcp_default_lease_time) <= 0)
   {
      // DHCP Error
      // The DHCP server did not assign a valid IP address.
      while(1);
   }

   // Start the Application Layer Services.
   if (mn_server() < 0)
   {
      // If mn_server returns a value less than zero, an error occurred.
      // Possible error codes are:
      // 1. PPP_LINK_DOWN: The PPP connection was terminated.
      // 2. DHCP_LEASE_EXPIRED: The DHCP lease expired.

      while(1);
   }

   // Release the DHCP lease.
   mn_dhcp_release();

   while(1);
}



//-----------------------------------------------------------------------------
// Initialization Routines
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
// PORT_Init
//-----------------------------------------------------------------------------
//
// Configure the Interrupts, Crossbar and GPIO ports
//
void PORT_Init (void)
{

}

//-----------------------------------------------------------------------------
// EMIF_Init
//-----------------------------------------------------------------------------
//
// Configure the External Memory Interface for both on and off-chip access.
//
void EMIF_Init (void)
{

   EMI0TC = EMIF_TIMING;      // This constant may be modified
                              // according to SYSCLK to meet the
                              // timing requirements for the CP2200

   EMI0CN = BASE_ADDRESS;     // Page of XRAM accessed by EMIF

}

//-----------------------------------------------------------------------------
// SYSCLK_Init
//-----------------------------------------------------------------------------
//
// This routine initializes the system clock.
//
void SYSCLK_Init (void)
{
    int i = 0;
    OSCICN |= 0x03;
    CLKSEL = 0x00;
}