maindemo.c

MICROCHIP公司最新以太网芯片ENC28J60驱动

/*********************************************************************
 *
 *       Example Web Server Application using Microchip TCP/IP Stack
 *
 *********************************************************************/
#define THIS_IS_STACK_APPLICATION

#define VERSION 		"v3.75"		// TCP/IP stack version
#define BAUD_RATE       (19200)     // bps


// These headers must be included for required defs.
#include <string.h>
#include "..\Include\Compiler.h"
#include "..\Include\StackTsk.h"
#include "..\Include\Tick.h"
#include "..\Include\MAC.h"
#include "..\Include\Helpers.h"
#include "..\Include\Delay.h"
#include "..\Include\UART.h"
#include "..\Include\MPFS.h"
#include "..\Include\LCDBlocking.h"
#include "..\Include\GenericTCPClient.h"

#if defined(STACK_USE_DHCP)
#include "..\Include\DHCP.h"
#endif

#if defined(STACK_USE_HTTP_SERVER)
#include "..\Include\HTTP.h"
#endif

#if defined(STACK_USE_FTP_SERVER) && defined(MPFS_USE_EEPROM)
#include "..\Include\FTP.h"
#endif

#if defined(STACK_USE_ANNOUNCE)
#include "..\Include\Announce.h"
#endif

//#if defined(MPFS_USE_EEPROM)
//#include "..\Include\XEEPROM.h"
//#endif

#if defined(STACK_USE_NBNS)
#include "..\Include\NBNS.h"
#endif

#if defined(STACK_USE_DNS)
#include "..\Include\DNS.h"
#endif

#if defined(STACK_USE_GENERIC_TCP_EXAMPLE)
#include "..\Include\GenericTCPClient.h"
#endif


// The SPBRG_VAL is used for PIC18s only.  See InitializeBoard() for 
// PIC24, dsPIC initialization of the baud rate generator.
#define USART_USE_BRGH_LOW
#if defined(USART_USE_BRGH_LOW)
    #define SPBRG_VAL   ( ((INSTR_FREQ/BAUD_RATE)/16) - 1)
#else
    #define SPBRG_VAL   ( ((INSTR_FREQ/BAUD_RATE)/4) - 1)
#endif

#if (SPBRG_VAL > 255) && !defined(__C30__)
    #error "Calculated SPBRG value is out of range for currnet CLOCK_FREQ."
#endif


// This is used by other stack elements.
// Main application must define this and initialize it with proper values.
APP_CONFIG AppConfig = 
	{
		{MY_DEFAULT_IP_ADDR_BYTE1, MY_DEFAULT_IP_ADDR_BYTE2, MY_DEFAULT_IP_ADDR_BYTE3, MY_DEFAULT_IP_ADDR_BYTE4},
		{MY_DEFAULT_MAC_BYTE1, MY_DEFAULT_MAC_BYTE2, MY_DEFAULT_MAC_BYTE3, MY_DEFAULT_MAC_BYTE4, MY_DEFAULT_MAC_BYTE5, MY_DEFAULT_MAC_BYTE6},
		{MY_DEFAULT_MASK_BYTE1, MY_DEFAULT_MASK_BYTE2, MY_DEFAULT_MASK_BYTE3, MY_DEFAULT_MASK_BYTE4},
		{MY_DEFAULT_GATE_BYTE1, MY_DEFAULT_GATE_BYTE2, MY_DEFAULT_GATE_BYTE3, MY_DEFAULT_GATE_BYTE4},
		{MY_DEFAULT_DNS_BYTE1, MY_DEFAULT_DNS_BYTE2, MY_DEFAULT_DNS_BYTE3, MY_DEFAULT_DNS_BYTE4},
		{0b00000001},	// Flags, enable DHCP
	};

BYTE myDHCPBindCount = 0;
#if defined(STACK_USE_DHCP)
    extern BYTE DHCPBindCount;
#else
	#define DHCPBindCount	(0xFF)
#endif

/*
 * Set configuration fuses
 */
#if defined(__18CXX)
	#if defined(__18F8722)
		// PICDEM HPC Explorer board
		#pragma config OSC=HSPLL, FCMEN=OFF, IESO=OFF, PWRT=OFF, WDT=OFF, LVP=OFF
	#elif defined(__18F87J10) || defined(__18F86J15) || defined(__18F86J10) || defined(__18F85J15) || defined(__18F85J10) || defined(__18F67J10) || defined(__18F66J15) || defined(__18F66J10) || defined(__18F65J15) || defined(__18F65J10)
		// PICDEM HPC Explorer board
		#pragma config XINST=OFF, WDTEN=OFF, FOSC2=ON, FOSC=HSPLL
	#elif defined(__18F97J60) || defined(__18F96J65) || defined(__18F96J60) || defined(__18F87J60) || defined(__18F86J65) || defined(__18F86J60) || defined(__18F67J60) || defined(__18F66J65) || defined(__18F66J60) 
		// PICDEM.net 2 board
		#pragma config XINST=OFF, WDT=OFF, FOSC2=ON, FOSC=HSPLL, ETHLED=ON
	#elif defined(HI_TECH_C)	
		// PICDEM HPC Explorer board
		__CONFIG(1, HSPLL);
		__CONFIG(2, WDTDIS);
		__CONFIG(3, MCLREN);
		__CONFIG(4, XINSTDIS & LVPDIS);
	#elif defined(__18F4620)	
		// PICDEM.net board
//		#pragma config OSC=HS, WDT=OFF, MCLRE=ON, PBADEN=OFF, LVP=OFF, XINST=OFF
	#elif defined(__18F452)	
		// PICDEM.net board
		#pragma config OSC=HS, WDT=OFF, LVP=OFF
	#endif
#elif defined(__PIC24F__)
	// Explorer 16 board
	_CONFIG2(FNOSC_PRIPLL & POSCMOD_XT)		// Primary XT OSC with 4x PLL
	_CONFIG1(JTAGEN_OFF & FWDTEN_OFF)		// JTAG off, watchdog timer off
#elif defined(__dsPIC33F__) || defined(__PIC24H__)
	// Explorer 16 board
	_FOSCSEL(FNOSC_PRIPLL)			// PLL enabled
	_FOSC(OSCIOFNC_OFF & POSCMD_XT)	// XT Osc
	_FWDT(FWDTEN_OFF)				// Disable Watchdog timer
	// JTAG should be disabled as well
#elif defined(__dsPIC30F__)
	// dsPICDEM 1.1 board
	_FOSC(XT_PLL16)					// XT Osc + 16X PLL
	_FWDT(WDT_OFF)					// Disable Watchdog timer
	_FBORPOR(MCLR_EN & PBOR_OFF & PWRT_OFF)
#endif


// Private helper functions.
// These may or may not be present in all applications.
static void InitAppConfig(void);
static void InitializeBoard(void);
static void ProcessIO(void);

BOOL StringToIPAddress(char *str, IP_ADDR *buffer);
static void DisplayIPValue(IP_ADDR *IPVal);
static void SetConfig(void);
static void FormatNetBIOSName(BYTE Name[16]);

#if defined(MPFS_USE_EEPROM)
static BOOL DownloadMPFS(void);
static void SaveAppConfig(void);
#else
	#define SaveAppConfig()
#endif

// NOTE: Several PICs, including the PIC18F4620 revision A3 have a RETFIE FAST/MOVFF bug
// The interruptlow keyword is used to work around the bug when using C18
#if defined(HI_TECH_C)
void interrupt HighISR(void)
#else
#pragma interruptlow HighISR
void HighISR(void)
#endif
{
#ifdef __18CXX
    TickUpdate();
#endif

#if defined(STACK_USE_SLIP)
    MACISR();
#endif
}

#if defined(__18CXX) && !defined(HI_TECH_C)
#pragma code highVector=0x08
void HighVector (void)
{
    _asm goto HighISR _endasm
}
#pragma code // Return to default code section
#endif



ROM char NewIP[] = "New IP Address: ";
ROM char CRLF[] = "\r\n";


// Main application entry point.
int main(void)

{
    static TICK t = 0;
    
    // Initialize any application specific hardware.
    InitializeBoard();

    TickInit();

    MPFSInit();

    StackInit();

    HTTPInit();

    // Once all items are initialized, go into infinite loop and let
    // stack items execute their tasks.
    // If application needs to perform its own task, it should be
    // done at the end of while loop.
    // Note that this is a "co-operative mult-tasking" mechanism
    // where every task performs its tasks (whether all in one shot
    // or part of it) and returns so that other tasks can do their
    // job.
    // If a task needs very long time to do its job, it must broken
    // down into smaller pieces so that other tasks can have CPU time.
    while(1)
    {
        // Blink SYSTEM LED every second.
        AppConfig.MyIPAddr.Val = 0xC8FDA8C0ul ;  //192.168.253.200   0xC8FDA8C0u
        if ( TickGetDiff(TickGet(), t) >= TICK_SECOND/2 )
        {
            t = TickGet();
            LED0_IO ^= 1;
        }

        // This task performs normal stack task including checking
        // for incoming packet, type of packet and calling
        // appropriate stack entity to process it.
        StackTask();

        HTTPServer();

    }
}



/*********************************************************************
 * Function:        void HTTPExecCmd(BYTE** argv, BYTE argc)
 ********************************************************************/
#if defined(STACK_USE_HTTP_SERVER)

ROM char COMMANDS_OK_PAGE[] = "INDEX.CGI";
ROM char CONFIG_UPDATE_PAGE[] = "CONFIG.CGI";
ROM char CMD_UNKNOWN_PAGE[] = "INDEX.CGI";

// Copy string with NULL termination.
#define COMMANDS_OK_PAGE_LEN  	(sizeof(COMMANDS_OK_PAGE))
#define CONFIG_UPDATE_PAGE_LEN  (sizeof(CONFIG_UPDATE_PAGE))
#define CMD_UNKNOWN_PAGE_LEN    (sizeof(CMD_UNKNOWN_PAGE))

void HTTPExecCmd(BYTE** argv, BYTE argc)
{
    BYTE command;
    BYTE var;

#endif
    

/*********************************************************************
 * Function:        WORD HTTPGetVar(BYTE var, WORD ref, BYTE* val)
 ********************************************************************/
#if defined(STACK_USE_HTTP_SERVER)
WORD HTTPGetVar(BYTE var, WORD ref, BYTE* val)
{
	// Temporary variables designated for storage of a whole return 
	// result to simplify logic needed since one byte must be returned
	// at a time.
	static BYTE VarString[20];
#if ENABLE_REMOTE_CONFIG
	static BYTE VarStringLen;
	BYTE *VarStringPtr;

	BYTE i;
	BYTE *DataSource;
#endif
	

            return HTTP_END_OF_VAR;
}
#endif


#if defined(STACK_USE_FTP_SERVER) && defined(MPFS_USE_EEPROM)
ROM char FTP_USER_NAME[]    = "ftp";
ROM char FTP_USER_PASS[]    = "microchip";
#undef FTP_USER_NAME_LEN
#define FTP_USER_NAME_LEN   (sizeof(FTP_USER_NAME)-1)
#define FTP_USER_PASS_LEN   (sizeof(FTP_USER_PASS)-1)

BOOL FTPVerify(char *login, char *password)
{
    if ( !memcmppgm2ram(login, (ROM void*)FTP_USER_NAME, FTP_USER_NAME_LEN) )
    {
        if ( !memcmppgm2ram(password, (ROM void*)FTP_USER_PASS, FTP_USER_PASS_LEN) )
            return TRUE;
    }
    return FALSE;
}
#endif




/*********************************************************************
 * Function:        void InitializeBoard(void)
 *
 * PreCondition:    None
 *
 * Input:           None
 *
 * Output:          None
 *
 * Side Effects:    None
 *
 * Overview:        Initialize board specific hardware.
 *
 * Note:            None
 ********************************************************************/
static void InitializeBoard(void)
{
	// LEDs
	LED0_TRIS = 0;
	LED1_TRIS = 0;

    LED0_IO = 0;
    LED1_IO = 0;

	DelayMs(5000);
	LED0_IO = 1;
	LED1_IO = 1;

    T0CON = 0;
    INTCONbits.GIEH = 1;
    INTCONbits.GIEL = 1;

}