tftp_demo.c

LPC2368 TFTP测试程序

/*----------------------------------------------------------------------------
 *      R T L   T C P N E T   E x a m p l e
 *----------------------------------------------------------------------------
 *      Name:    TFTP_DEMO.C 
 *      Purpose: TFTP Server deni example
 *      Rev.:    V3.12
 *----------------------------------------------------------------------------
 *      This code is part of the RealView Run-Time Library.
 *      Copyright (c) 2004-2007 KEIL - An ARM Company. All rights reserved.
 *---------------------------------------------------------------------------*/

#include <stdio.h>
#include <RTL.h>
#include <LPC23xx.H>                    /* LPC23xx definitions               */
//#include "LCD.h"

#define MCLK 48000000                         /* Master Clock 48 MHz         */
#define TCLK       10                         /* Timer Clock rate 10/s       */
#define TCNT (MCLK/TCLK/4)                    /* Timer Counts                */

BOOL tick;

/*--------------------------- init ------------------------------------------*/

static void init () {
   /* Add System initialisation code here */

   /* I/O Ports configured as Output (Push-pull) */
   FIO2DIR  = 0x000000FF;
   FIO2MASK = 0x00000000;
   FIO2PIN  = 0x00000000;
   PINSEL10 = 0;

   /* Timer 1 as interval timer, reload to 100ms. */
   T1TCR = 1;
   T1MCR = 3;
   T1MR0 = TCNT - 1;

   /* Configure UART1 for 115200 baud. */
   PINSEL0 = 0x40000000;                     /* Enable TxD1 pin              */
   PINSEL1 = 0x00000001;                     /* Enable RxD1 pin              */
   U1LCR = 0x83;                             /* 8 bits, no Parity, 1 Stop bit*/
   U1DLL = 3;                                /* for 12MHz PCLK Clock         */
   U1FDR = 0x67;                             /* Fractional Divider           */
   U1LCR = 0x03;                             /* DLAB = 0                     */
}


/*--------------------------- LED_out ---------------------------------------*/

void LED_out (U32 val) {
   FIO2SET =  val;
   FIO2CLR = ~val;
}


/*--------------------------- init_display ----------------------------------*/

static void init_display () {
   /* LCD Module.2x16 init*/

   //LCD_init ();
   //LCD_cur_off ();
   //LCD_puts ("    RL-ARM      "
   //          "  TFTP example  ");
}


/*--------------------------- timer_poll ------------------------------------*/

static void timer_poll () {
   /* System tick timer running in poll mode */

   if (T1IR & 1) {
      T1IR = 1;
      /* Timer tick every 100 ms */
      timer_tick ();
      tick = __TRUE;
   }
}


/*--------------------------- sendchar --------------------------------------*/

int sendchar (int ch)  {
   /* Debug output to serial port. */

   if (ch == '\n')  {
      while (!(U1LSR & 0x20));
      U1THR = '\r';                          /* output CR                    */
   }
   while (!(U1LSR & 0x20));
   return (U1THR = ch);
}


/*--------------------------- blink_led -------------------------------------*/

static void blink_led () {
   /* Blink the LEDs on MCB-STR9 board */
   const U8 led_val[16] = { 0x48,0x88,0x84,0x44,0x42,0x22,0x21,0x11,
                            0x12,0x0A,0x0C,0x14,0x18,0x28,0x30,0x50 };
   static U32 cnt;

   if (tick == __TRUE) {
      /* Every 100 ms */
      tick = __FALSE;
      LED_out (led_val[cnt]);
      if (++cnt >= sizeof(led_val)) {
         cnt = 0;
      }
   }
}


/*---------------------------------------------------------------------------*/

int main (void) {
   /* Main Thread of the TcpNet */

   init ();
   init_display ();
   init_TcpNet ();
   fformat ("");

   while (1) {
      timer_poll ();
      main_TcpNet ();
      blink_led ();
   }
}


/*----------------------------------------------------------------------------
 * end of file
 *---------------------------------------------------------------------------*/