in_main.c

LPC based lcd interface

#ifndef _REFERENCE
//*-----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*-----------------------------------------------------------------------------
//* File Name           : in_main.c
//* Librarian           : Not applicable
//* Translator          : ARM Software Development Toolkit V2.11a
//*
//* Treatments          : Get the top of SRAM on the AT91EB01
//*
//* Exported resources  : InitMainSram - Main
//* Imported resources  : InitResetStacks - MainApplication
//*
//* 1.0 04/09/98 JLV    : Creation
//* 2.0 21/10/98 JCZ    : Clean up
//*-----------------------------------------------------------------------------

/*----- Called Macro instructions definition -----*/
/* None */

/*----- Files to be included Definition -----*/

#include    "../../Include/std_c.h"
#include    "../../Include/ebi.h"

/*----- Types and Constants Definition -----*/
/* None */

/*----- Imported Resources Definition -----*/

#define _REFERENCE(x)   extern x;
extern void InitResetStacks( void );
extern int  MainApplication( void );
#undef _REFERENCE

/*---- Internal Resources Definition -----*/
/* None */

/*---- External Resources Definition -----*/

#define _REFERENCE(x)   x
#define CORPS
#endif

#ifndef AT91_DEBUG_NONE
//*-----------------------------------------------------------------------------
//* Function Name       : main
//* Object              : Main function of the test "delay"
//* Input Parameters    : none
//* Output Parameters   :
//* Functions called    : InitResetStacks - MainApplication
//*-----------------------------------------------------------------------------
int main ( void )
#ifdef CORPS
//* Begin
{
//* | Stack initialization
      InitResetStacks();
//* | Application activation
      return MainApplication();
//* End
}
#endif
#endif /* AT91_DEBUG_NONE */

#ifdef AT91EB01
//*-----------------------------------------------------------------------------
//* Function Name       : InitMainSram
//* Object              : Calculate and return the top of the SRAM
//* Input Parameters    : None
//* Output Parameters   :
//* . size (int) - size of the SRAM
//* Functions called    : None
//*-----------------------------------------------------------------------------
_REFERENCE (int InitMainSram(void))
#ifdef CORPS
//* Begin
{
    unsigned int offset;
    int saved_byte;
    int i,done;
    int sram_offset;

    //* -- Get SRAM base address and save first short in SRAM
    int sram_base = (EBI_BASE->EBI_CSR[1] & 0xFFFF0000);

    offset = 0;
    done = FALSE;
    while((offset < 0x7f0000) && (done == FALSE))
    {
    	offset += 0x00010000;
    	done = TRUE;
	sram_offset = sram_base + offset;
    	for(i=0;(i<8) && (done == TRUE);i++)
    		if (*(volatile int *)(sram_base + i) != *(volatile int *)(sram_offset + i))
    			done = FALSE;
	saved_byte = *(volatile int *)(sram_base + offset);
	*(volatile int *)(sram_base + offset) = 0x55aa55aa;
	if (*(volatile int *)(sram_base + offset) != 0x55aa55aa)
		done = TRUE;
	*(volatile int *)(sram_base + offset) = saved_byte;
    }

    //* Return the size detected
    return (sram_base + offset);

//* End
}/*InitMainSram*/
#endif
#endif /* AT91EB01 */