TE-LPC2478LCD, Документация и примеры к плате Опции

[Shread]

Приветствую!

Есть у кого-нибудь копия диска, идущего в комплекте с этим набором?
Хотели купить просто кит, но в наличии нигде нет.

[Nick Nickl's]

Да работает. Я туда экранную заставку запихнул.
Уже не помню где взял код, кажется из примеров IAR


//------------------------------------------------------------------------------

#define NOR_FLASH_SIZE 0x00400000 // M29DW323DT, 32Mbit(2M x 16 bit).
#define NOR_FLASH_BASE 0x80000000 // 0x8000 0000 - 0x803F FFFF NOR FLASH

#define GET_ADDR(addr) (volatile WORD *)(NOR_FLASH_BASE | (addr<<1))

//#define SECTOR_SIZE 0x800 /* Must be 2048 ??? words for M29DW323D */
#define BLOCK_SIZE 0x10000 /* Must be 64K words for M29DW323D */

//#define SST_ID 0xBF /* SST Manufacturer's ID code */
//#define SST_39VF160 0x234B /* SST 39VF160 device code */

#define SST_ID 0x20 /* SST Manufacturer's ID code */
#define SST_M29DW323D 0x225F /* SST M29DW323DB device code */

#define PROGRAM_TIMEOUT 0x08000000

extern void NORFLASHInit( void );
extern void NORFLASHErase( void );
extern DWORD NORFLASHCheckID( void );
extern DWORD NORFLASHWriteWord( DWORD Addr, WORD Data );
extern DWORD ToggleBitCheck( DWORD Addr, WORD Data );


/*****************************************************************************
** Function name: NORFLASHInit
**
** Descriptions: initialize external NOR FLASH memory
**
** parameters: None
**
** Returned value: None
**
*****************************************************************************/

void NORFLASHInit( void )
{
// **************************************************************************
// * Initialize EMC for NOR FLASH
// **************************************************************************
EMC_CTRL = 0x00000001;

PCONP |= 0x00000800; // Turn On EMC PCLK
PINSEL4 = 0x50000000;
PINSEL5 = 0x05050555;
PINSEL6 = 0x55555555;
PINSEL8 = 0x55555555;
PINSEL9 = 0x50555555;

delayMs(1, 100); // use timer 1
EMC_STA_CFG0 = 0x00000081;
EMC_STA_WAITWEN0 = 0x2;
EMC_STA_WAITOEN0 = 0x2;
EMC_STA_WAITRD0 = 0x1f;
EMC_STA_WAITPAGE0 = 0x1f;
EMC_STA_WAITWR0 = 0x1f;
EMC_STA_WAITTURN0 = 0xf;
delayMs(1, 10); // use timer 1
return;
}

/*****************************************************************************
** Function name: ToggleBitCheck
**
** Descriptions: Toggle Bit check if the data is written or erased
**
** parameters: Address and Expected data
**
** Returned value: done(TRUE) or timeout(FALSE)
**
*****************************************************************************/
DWORD ToggleBitCheck( DWORD Addr, WORD Data )
{
volatile WORD *ip;
WORD temp1, temp2;
DWORD TimeOut = PROGRAM_TIMEOUT;

while( TimeOut > 0 )
{
ip = GET_ADDR(Addr);
temp1 = *ip;
ip = GET_ADDR(Addr);
temp2 = *ip;

if ( (temp1 == temp2) && (temp1 == Data) )
{
return( TRUE );
}
TimeOut--;
}
return ( FALSE );
}

/*****************************************************************************
** Function name: NORFLASHCheckID
**
** Descriptions: Check ID from external NOR FLASH memory
**
** parameters: None
**
** Returned value: Flash ID read is correct or not
**
*****************************************************************************/
DWORD NORFLASHCheckID( void )
{
volatile WORD *ip;
WORD SST_id1, SST_id2;

/* Issue the Software Product ID code to 39VF160 */
ip = GET_ADDR(0x5555);
*ip = 0x00AA;
ip = GET_ADDR(0x2AAA);
*ip = 0x0055;
ip = GET_ADDR(0x5555);
*ip = 0x0090;
delay(10);

/* Read the product ID from 39VF160 */
ip = GET_ADDR(0x0000);
SST_id1 = *ip & 0x00FF;
ip = GET_ADDR(0x0001);
SST_id2 = *ip;

/* Issue the Soffware Product ID Exit code thus returning the 39VF160 */
/* to the read operating mode */
ip = GET_ADDR(0x5555);
*ip = 0x00AA;
ip = GET_ADDR(0x2AAA);
*ip = 0x0055;
ip = GET_ADDR(0x5555);
*ip = 0x00F0;
delay(10);

/* Check ID */
if ((SST_id1 == SST_ID) && (SST_id2 ==SST_M29DW323D))
return( TRUE );
else
return( FALSE );
}

/*****************************************************************************
** Function name: NORFLASHErase
**
** Descriptions: Erase external NOR FLASH memory
**
** parameters: None
**
** Returned value: None
**
*****************************************************************************/
void delayMs(U32 delayInMs);
void NORFLASHErase( void )
{
volatile WORD *ip;

ip = GET_ADDR(0x5555);
*ip = 0x00AA;
ip = GET_ADDR(0x2AAA);
*ip = 0x0055;
ip = GET_ADDR(0x5555);
*ip = 0x0080;
ip = GET_ADDR(0x5555);
*ip = 0x00AA;
ip = GET_ADDR(0x2AAA);
*ip = 0x0055;
ip = GET_ADDR(0x5555);
*ip = 0x0010;
delayMs(100); /* Use timer 1 */
return;

}

/*****************************************************************************
** Function name: NORFLASHWriteWord
**
** Descriptions: Program one 16-bit data into external NOR FLASH memory
** This "WORD" for the external flash is 16 bits!!!
**
** parameters: DWORD address and WORD data
**
** Returned value: Written successful or not
**
*****************************************************************************/
DWORD NORFLASHWriteWord( DWORD Addr, WORD Data )
{
volatile WORD *ip;

ip = GET_ADDR(0x5555);
*ip = 0x00AA;
ip = GET_ADDR(0x2aaa);
*ip = 0x0055;
ip = GET_ADDR(0x5555);
*ip = 0x00A0;

ip = GET_ADDR(Addr); /* Program 16-bit word */
*ip = Data;
return ( ToggleBitCheck( Addr, Data ) );
}

/********************************************************************************
*
** End Of File
********************************************************************************
*/

Сообщение отредактировал Nick Nickl's - Feb 5 2010, 07:44