void Flash_eeprom_readwrite_Test(void)
{
TestStatus OperationStatus;
u32 add, start_add, stop_add =0;
u8 WriteBuffer[FLASH_BLOCK_SIZE];
u8 new_value[FLASH_BLOCK_SIZE] = "This is a Flash_eeprom write and read example......\
This is a Flash_eeprom write and read example....---lingguansheng---2012-2-20";
u8 block, i=0 ;
/* Fill the buffer in RAM */
for (i = 0; i < FLASH_BLOCK_SIZE; i++) WriteBuffer[i] =new_value[i];
/* Program the block 0*/
block = 0; /* block 0 is first block of Data memory: address is 0x4000 */
FLASH_ProgramBlock(block, FLASH_MEMTYPE_DATA, FLASH_PROGRAMMODE_STANDARD, WriteBuffer);
FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
/* Check the programmed block */
start_add = FLASH_DATA_START_PHYSICAL_ADDRESS;
stop_add = FLASH_DATA_START_PHYSICAL_ADDRESS + (u32)FLASH_BLOCK_SIZE;
for (add = start_add; add < stop_add; add++)
{
if (FLASH_ReadByte(add) != new_value[add-start_add])
{
/* Error */
OperationStatus = FAILED;
/* OperationStatus = PASSED, if the data written/read to/from DATA EEPROM memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from DATA EEPROM memory is corrupted */
while (1);
}
}
for (add = start_add; add < stop_add; add++)
{
UART1_SendByte(FLASH_ReadByte(add));
Delay(0xffff);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
uint32_t add, startadd, stopadd = 0;
uint8_t newval = 0xAA;
uint8_t i = 0;
#ifdef _COSMIC_
/* Call the _fctcpy() function with the first segment character as parameter
"_fctcpy('F');" for a manual copy of the declared moveable code segment
(FLASH_CODE) in RAM before execution*/
_fctcpy('F');
#endif /*_COSMIC_*/
#ifdef _RAISONANCE_
/* Call the standard C library: memcpy() or fmemcpy() functions available through
the <string.h> to copy the inram function to the RAM destination address */
MEMCPY(FLASH_EraseBlock,
(void PointerAttr*)&__address__FLASH_EraseBlock,
(int)&__size__FLASH_EraseBlock);
MEMCPY(FLASH_ProgramBlock,
(void PointerAttr*)&__address__FLASH_ProgramBlock,
(int)&__size__FLASH_ProgramBlock);
#endif /*_RAISONANCE_*/
/* Initialize I/Os in Output Mode */
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* High speed internal clock prescaler */
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_1);
/* Define flash programming Time*/
FLASH_SetProgrammingTime(FLASH_ProgramTime_Standard);
FLASH_Unlock(FLASH_MemType_Program);
/* Wait until Flash Program area unlocked flag is set*/
while (FLASH_GetFlagStatus(FLASH_FLAG_PUL) == RESET)
{}
/* Unlock flash data eeprom memory */
FLASH_Unlock(FLASH_MemType_Data);
/* Wait until Data EEPROM area unlocked flag is set*/
while (FLASH_GetFlagStatus(FLASH_FLAG_DUL) == RESET)
{}
/* Fill the buffer in RAM */
for (i = 0; i < FLASH_BLOCK_SIZE; i++)
{
GBuffer[i] = newval;
}
/* This function is executed from RAM */
FLASH_ProgramBlock(BLOCK_OPERATION, FLASH_MemType_Data, FLASH_ProgramMode_Standard, GBuffer);
/* Wait until End of high voltage flag is set*/
while (FLASH_GetFlagStatus(FLASH_FLAG_HVOFF) == RESET)
{}
/* Check the programmed block */
startadd = FLASH_DATA_EEPROM_START_PHYSICAL_ADDRESS + ((uint16_t)BLOCK_OPERATION * (uint16_t)FLASH_BLOCK_SIZE);
stopadd = startadd + (uint16_t)FLASH_BLOCK_SIZE;
for (add = startadd; add < stopadd; add++)
{
if (FLASH_ReadByte(add) != newval)
{
/* Error */
OperationStatus = FAILED;
/* OperationStatus = PASSED, if the data written/read to/from Flash program memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from Flash program memory is corrupted */
while (1)
{
STM_EVAL_LEDToggle(LED1); /*FAIL: write error */
Delay(0xFFFF);
}
}
}
/* Erase block 0 and verify it */
/* This function is executed from RAM */
FLASH_EraseBlock(BLOCK_OPERATION, FLASH_MemType_Data);
/* Wait until End of high voltage flag is set*/
while (FLASH_GetFlagStatus(FLASH_FLAG_HVOFF) == RESET)
{}
for (add = startadd; add < stopadd; add++)
{
if (FLASH_ReadByte(add) != 0x00)
{
/* Error */
OperationStatus = FAILED;
/* OperationStatus = PASSED, if the data written/read to/from Flash program memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from Flash program memory is corrupted */
while (1)
{
STM_EVAL_LEDToggle(LED2); /* FAIL: Erase error */
Delay(0xFFFF);
}
}
}
/* Pass */
OperationStatus = PASSED;
/* OperationStatus = PASSED, if the data written/read to/from Flash program memory is correct */
/* OperationStatus = FAILED, if the data written/read to/from Flash program memory is corrupted */
while (1)
{
STM_EVAL_LEDToggle(LED3); /* PASS: without errors*/
Delay(0xFFFF);
}
}