imemtest.c

USB固件程序

// RAM test avoids the range from 0x4000 to 0x5100 since it is loaded there
//#include "ezusb.h"
#define ALLOCATE_EXTERN // Allocate explicit register addresses here
//#include "ezregs.h" // You don't need ezregs.h with Fx
#include "Fx2.h" //
#include "Fx2regs.h"

#define START_MEM00		0x0080
#define LENGTH_MEM00	(0x2000-START_MEM00)
#define START_MEM01		0x2000
#define LENGTH_MEM01	0x2000 // avoids the range from 0x4000 to 0x5100
							   // 0x4000 to 0x5100: this program loaded here
#define START_MEM02		0x5100 // check 0x5100 to 0x8000
#define LENGTH_MEM02	(0x8000-START_MEM02)

#define START_MEM03		0x8000
#define LENGTH_MEM03	0x8000

#define LED_ADDR		0x21

BYTE xdata Digit[] = { 0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x98, 0x88, 0x83, 0xc6, 0xa1, 0x86, 0x8e };
BYTE xdata Alpha[] = { 0x88,0x83,0xa7,0xa1,0x86,0x8e,0x90,0x8b,0xef,0xe1,0x87,0xc7,0x80,0xab,0xa3,0x8c,0x40,0xaf,0x92,0x87,0xc1,0xcd,0x80,0x89,0x99,0xa4 };
BYTE xdata blank = 0xff;

extern BOOL test_data(void);

BYTE test_mem( void )
{
	BYTE i;
	BYTE length;
  BYTE idata i_mem[ 220 ];

	// Set the ports for alternate function -- rd/wr
	// PORTCCFG |= 0xc0;

  length = 220;

	for(i = 0; i < length; ++i)
		i_mem[i] = 0x00;
	for(i = 0; i < length; ++i)
		if(i_mem[i] != 0x00)
      return( 1 );

	for(i = 0; i < length; ++i)
		i_mem[i] = 0xff;
	for(i = 0; i < length; ++i)
		if(i_mem[i] != 0xff)
      return( 2 );

	for(i = 0; i < length; ++i)
		i_mem[i] = 0xaa;
	for(i = 0; i < length; ++i)
		if(i_mem[i] != 0xaa)
      return( 3 );

	for(i = 0; i < length; ++i)
		i_mem[i] = 0x55;
	for(i = 0; i < length; ++i)
		if(i_mem[i] != 0x55)
      return( 4 );

	// Check the address bus -- LSB only
	for(i = 0; i < length; ++i)
		i_mem[i] = LSB(i) + MSB(i) * 3;
	for(i = 0; i < length; ++i)
		if(i_mem[i] != (BYTE) (LSB(i) + MSB(i) * 3))
      return( 5 );

  return( 0 );
}

void status(WORD stat)
{
	WORD saveStat = stat;
	BYTE i;

	while(TRUE)
		{
		stat=saveStat;
		for (i = 0; i < 4; i++, stat <<= 4)
			{
			EZUSB_WriteI2C(LED_ADDR, 0x01, &(Digit[(stat>>12)&0xf]));
			EZUSB_WaitForEEPROMWrite(LED_ADDR);
			EZUSB_Delay(400);
			EZUSB_WriteI2C(LED_ADDR, 0x01, &blank);
			EZUSB_WaitForEEPROMWrite(LED_ADDR);
			EZUSB_Delay(200);
			}
		EZUSB_WriteI2C(LED_ADDR, 0x01, &blank);
		EZUSB_WaitForEEPROMWrite(LED_ADDR);
		EZUSB_Delay(500);
		}
}

void statString(char *stat)
{
	BYTE i;

	while(TRUE)
		{
		for (i = 0; stat[i]; i++)
			{
			EZUSB_WriteI2C(LED_ADDR, 0x01, &(Alpha[(stat[i] & 0x5f)-'A']));
			EZUSB_WaitForEEPROMWrite(LED_ADDR);
			EZUSB_Delay(400);
			EZUSB_WriteI2C(LED_ADDR, 0x01, &blank);
			EZUSB_WaitForEEPROMWrite(LED_ADDR);
			EZUSB_Delay(200);
			}
		EZUSB_WriteI2C(LED_ADDR, 0x01, &blank);
		EZUSB_WaitForEEPROMWrite(LED_ADDR);
		EZUSB_Delay(500);
		}
}

main()
{
	BYTE xdata	*xd;
	BYTE code	*cd;
  BYTE err = 0;
	BYTE xdata	buttons = 0;


	EZUSB_InitI2C();

	EZUSB_WriteI2C(LED_ADDR, 0x01, &(Digit[0]));
	EZUSB_WaitForEEPROMWrite(LED_ADDR);

	err = test_mem( );
	if (err)
		status((WORD )err);

	xd = (BYTE xdata *)START_MEM00;
	cd = (BYTE code *)START_MEM01;

	*xd = *cd + 1;


	if(*xd != *cd)
	{
		statString("good");
	}

//	status(5);
	statString(" ");
	EZUSB_ReadI2C(0x20,0x01,&buttons);	// Read button states

}