/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Initialize Leds mounted on STM3210X-EVAL board */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
/* Write/read to/from FSMC SRAM memory *************************************/
/* Enable the FSMC Clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
/* Configure FSMC Bank1 NOR/SRAM2 */
NOR_Init();
/* Read NOR memory ID */
NOR_ReadID(&NOR_ID);
NOR_ReturnToReadMode();
/* Erase the NOR memory block to write on */
NOR_EraseBlock(WRITE_READ_ADDR);
/* Write data to FSMC NOR memory */
/* Fill the buffer to send */
Fill_Buffer(TxBuffer, BUFFER_SIZE, 0x3210);
NOR_WriteBuffer(TxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);
/* Read data from FSMC NOR memory */
NOR_ReadBuffer(RxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);
/* Read back NOR memory and check content correctness */
for (Index = 0x00; (Index < BUFFER_SIZE) && (WriteReadStatus == 0); Index++)
{
if (RxBuffer[Index] != TxBuffer[Index])
{
WriteReadStatus = Index + 1;
}
}
if (WriteReadStatus == 0)
{
/* OK */
/* Turn on LED1 */
STM_EVAL_LEDOn(LED1);
}
else
{
/* KO */
/* Turn on LED2 */
STM_EVAL_LEDOn(LED2);
}
while (1)
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* Periph clock enable */
RCC_Configuration();
/* Config the LED GPIO */
LED_Configuration();
/* Config the USART1 */
USART1_Configuration();
printf("NOR Flash Init!\n\r");
/* EXMC nor flash init */
EXMC_NorFlash_Init();
/* Read Nor Flash ID and printf */
NOR_ReadID(&NOR_ID);
printf("\n\rNor Flash ID:0x%X 0x%X 0x%X 0x%X\n\r",NOR_ID.Manufacturer_Code,NOR_ID.Device_Code,
NOR_ID.Block_Protection_Indicator,NOR_ID.Block_Protection_Status);
NOR_ReturnToReadMode();
/* Erase the nor flash block to be written data */
Status = NOR_EraseBlock(WRITE_READ_ADDR);
if(NOR_SUCCESS == Status)
{
printf("\n\rErase nor flash block successfully!\n\r");
}
else
{
printf("\n\rErase nor flash block failure!\n\r");
}
/* Whether address cross-border */
if((WRITE_READ_ADDR + BUFFER_SIZE ) > NOR_MAX_ADDRESS)
{
printf("\n\rAddress cross-border\n\r");
GPIO_SetBits(LED_GPIO, LED4_PIN | LED5_PIN);
while(1)
{
}
}
/* Fill WriteBuffer with the specified value */
Fill_Buffer(WriteBuffer, BUFFER_SIZE, 0x1234);
/* Write data to nor flash, WRITE_READ_ADDR: the starting address of the write data */
Status = NOR_WriteBuffer(WriteBuffer, WRITE_READ_ADDR, BUFFER_SIZE);
if(NOR_SUCCESS == Status)
{
printf("\n\rWrite data to nor flash block successfully!\n\r");
}
else
{
printf("\n\rWrite data to nor flash block failure!\n\r");
}
/* Read data from nor flash, WRITE_READ_ADDR: the starting address of the read data*/
NOR_ReadBuffer(ReadBuffer, WRITE_READ_ADDR, BUFFER_SIZE);
/* Read and write data comparison for equality */
WriteReadStatus = 0;
for (Index = 0x00; Index < BUFFER_SIZE; Index++)
{
if (ReadBuffer[Index] != WriteBuffer[Index])
{
WriteReadStatus++;
break;
}
}
printf("\n\rThe result to access the nor flash:\n\r");
if (WriteReadStatus == 0)
{
printf("\n\rAccess nor flash successfully!\n\r");
GPIO_SetBits(LED_GPIO, LED2_PIN | LED3_PIN | LED4_PIN | LED5_PIN);
}
else
{
printf("\n\rAccess nor flash failure!\n\r");
GPIO_SetBits(LED_GPIO, LED2_PIN | LED3_PIN);
}
printf("\n\rPrintf data to be read: \n\r");
printf("\n\r");
for(Index = 0; Index < BUFFER_SIZE; Index++)
{
printf("%X ",ReadBuffer[Index]);
}
while(1)
{
}
}