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/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name : main.c
* Author : MCD Application Team
* Version : V2.0.1
* Date : 06/13/2008
* Description : Main program body
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_lib.h"
#include "platform_config.h"
/* Private typedef -----------------------------------------------------------*/
typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
/* Private define ------------------------------------------------------------*/
#define StartAddr ((u32)0x08006000)
#define EndAddr ((u32)0x08008000)
/* Uncomment this line to Enable Write Protection */
//#define WriteProtection_Enable
/* Uncomment this line to Disable Write Protection */
#define WriteProtection_Disable
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
u32 EraseCounter, Address;
u16 Data;
vu32 WRPR_Value = 0xFFFFFFFF, ProtectedPages = 0x0;
vu8 NbrOfPage;
volatile FLASH_Status FLASHStatus;
volatile TestStatus MemoryProgramStatus;
ErrorStatus HSEStartUpStatus;
/* Private function prototypes -----------------------------------------------*/
void NVIC_Configuration(void);
void RCC_Configuration(void);
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : main
* Description : Main program
* Input : None
* Output : None
* Return : None
*******************************************************************************/
int main(void)
{
#ifdef DEBUG
debug();
#endif
FLASHStatus = FLASH_COMPLETE;
MemoryProgramStatus = PASSED;
Data = 0x1753;
EraseCounter = 0x0;
/* RCC Configuration */
RCC_Configuration();
/* NVIC Configuration */
NVIC_Configuration();
/* Unlock the Flash Program Erase controller */
FLASH_Unlock();
/* Define the number of page to be erased */
NbrOfPage = (EndAddr - StartAddr) / FLASH_PAGE_SIZE;
FLASH_ClearFlag(FLASH_FLAG_BSY | FLASH_FLAG_EOP|FLASH_FLAG_PGERR |FLASH_FLAG_WRPRTERR);
/* Get pages write protection status */
WRPR_Value = FLASH_GetWriteProtectionOptionByte();
ProtectedPages = WRPR_Value & 0x000000C0;
#ifdef WriteProtection_Disable
if (ProtectedPages == 0x00)
{/* Pages are write protected */
/* Disable the write protection */
FLASHStatus = FLASH_EraseOptionBytes();
/* Generate System Reset to load the new option byte values */
NVIC_GenerateSystemReset();
}
#else
#ifdef WriteProtection_Enable
if (ProtectedPages != 0x00)
{/* Pages not write protected */
#ifdef USE_STM3210B_EVAL
/* Enable the pages write protection */
FLASHStatus = FLASH_EnableWriteProtection(FLASH_WRProt_Pages24to27 |FLASH_WRProt_Pages28to31);
#else
/* Enable the pages write protection */
FLASHStatus = FLASH_EnableWriteProtection(FLASH_WRProt_Pages12to13 |FLASH_WRProt_Pages14to15);
#endif
/* Generate System Reset to load the new option byte values */
NVIC_GenerateSystemReset();
}
#endif
#endif
/* If Pages are not write protected, perform erase and program operations
Else nothing */
if (ProtectedPages != 0x00)
{
/* Clear All pending flags */
FLASH_ClearFlag(FLASH_FLAG_BSY | FLASH_FLAG_EOP|FLASH_FLAG_PGERR |FLASH_FLAG_WRPRTERR);
/* erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter < NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus = FLASH_ErasePage(StartAddr + (FLASH_PAGE_SIZE * EraseCounter));
}
/* FLASH Half Word program of data 0x1753 at addresses defined by StartAddr and EndAddr */
Address = StartAddr;
while((Address < EndAddr) && (FLASHStatus == FLASH_COMPLETE))
{
FLASHStatus = FLASH_ProgramHalfWord(Address, Data);
Address = Address + 2;
}
/* Check the corectness of written data */
Address = StartAddr;
while((Address < EndAddr) && (MemoryProgramStatus != FAILED))
{
if((*(vu16*) Address) != Data)
{
MemoryProgramStatus = FAILED;
}
Address += 2;
}
}
while (1)
{
}
}
/*******************************************************************************
* Function Name : RCC_Configuration
* Description : Configures the different system clocks.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void RCC_Configuration(void)
{
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* PLLCLK = 8MHz * 9 = 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
{
}
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08)
{
}
}
}
/*******************************************************************************
* Function Name : NVIC_Configuration
* Description : Configures Vector Table base location.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void NVIC_Configuration(void)
{
#ifdef VECT_TAB_RAM
/* Set the Vector Table base location at 0x20000000 */
NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else /* VECT_TAB_FLASH */
/* Set the Vector Table base location at 0x08000000 */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif
}
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* Input : - file: pointer to the source file name
* - line: assert_param error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
while (1)
{
}
}
#endif
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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