Delete STM32 Standard Peripheral Library.

1 files changed, 0 insertions, 916 deletions

diff --git a/stm32lib/src/stm32f10x_flash.c b/stm32lib/src/stm32f10x_flash.c
deleted file mode 100644
index 66952f2..0000000
--- a/stm32lib/src/stm32f10x_flash.c
+++ /dev/null
@@ -1,916 +0,0 @@
-/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************

-* File Name          : stm32f10x_flash.c

-* Author             : MCD Application Team

-* Version            : V2.0.2

-* Date               : 07/11/2008

-* Description        : This file provides all the FLASH firmware functions.

-********************************************************************************

-* 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_flash.h"

-void test(u32 x) {

-    int y;

-    x = 1;

-    y = x;

-}

-/* Private typedef -----------------------------------------------------------*/

-/* Private define ------------------------------------------------------------*/

-/* Flash Access Control Register bits */

-#define ACR_LATENCY_Mask         ((u32)0x00000038)

-#define ACR_HLFCYA_Mask          ((u32)0xFFFFFFF7)

-#define ACR_PRFTBE_Mask          ((u32)0xFFFFFFEF)

-

-#ifdef _FLASH_PROG

-/* Flash Access Control Register bits */

-#define ACR_PRFTBS_Mask          ((u32)0x00000020) 

-

-/* Flash Control Register bits */

-#define CR_PG_Set                ((u32)0x00000001)

-#define CR_PG_Reset              ((u32)0x00001FFE) 

-

-#define CR_PER_Set               ((u32)0x00000002)

-#define CR_PER_Reset             ((u32)0x00001FFD)

-

-#define CR_MER_Set               ((u32)0x00000004)

-#define CR_MER_Reset             ((u32)0x00001FFB)

-

-#define CR_OPTPG_Set             ((u32)0x00000010)

-#define CR_OPTPG_Reset           ((u32)0x00001FEF)

-

-#define CR_OPTER_Set             ((u32)0x00000020)

-#define CR_OPTER_Reset           ((u32)0x00001FDF)

-

-#define CR_STRT_Set              ((u32)0x00000040)

-							 

-#define CR_LOCK_Set              ((u32)0x00000080)

-

-/* FLASH Mask */

-#define RDPRT_Mask               ((u32)0x00000002)

-#define WRP0_Mask                ((u32)0x000000FF)

-#define WRP1_Mask                ((u32)0x0000FF00)

-#define WRP2_Mask                ((u32)0x00FF0000)

-#define WRP3_Mask                ((u32)0xFF000000)

-

-/* FLASH Keys */

-#define RDP_Key                  ((u16)0x00A5)

-#define FLASH_KEY1               ((u32)0x45670123)

-#define FLASH_KEY2               ((u32)0xCDEF89AB)

-

-/* Delay definition */   

-#define EraseTimeout             ((u32)0x00000FFF)

-#define ProgramTimeout           ((u32)0x0000000F)

-#endif

-

-/* Private macro -------------------------------------------------------------*/

-/* Private variables ---------------------------------------------------------*/

-/* Private function prototypes -----------------------------------------------*/

-#ifdef _FLASH_PROG

-static void delay(void);

-#endif

-

-/* Private functions ---------------------------------------------------------*/

-/*******************************************************************************

-* Function Name  : FLASH_SetLatency

-* Description    : Sets the code latency value.

-* Input          : - FLASH_Latency: specifies the FLASH Latency value.

-*                    This parameter can be one of the following values:

-*                       - FLASH_Latency_0: FLASH Zero Latency cycle

-*                       - FLASH_Latency_1: FLASH One Latency cycle

-*                       - FLASH_Latency_2: FLASH Two Latency cycles

-* Output         : None

-* Return         : None

-*******************************************************************************/

-void FLASH_SetLatency(u32 FLASH_Latency)

-{

-  /* Check the parameters */

-  assert_param(IS_FLASH_LATENCY(FLASH_Latency));

-  

-  /* Sets the Latency value */

-  FLASH->ACR &= ACR_LATENCY_Mask;

-  FLASH->ACR |= FLASH_Latency;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_HalfCycleAccessCmd

-* Description    : Enables or disables the Half cycle flash access.

-* Input          : - FLASH_HalfCycle: specifies the FLASH Half cycle Access mode.

-*                    This parameter can be one of the following values:

-*                       - FLASH_HalfCycleAccess_Enable: FLASH Half Cycle Enable

-*                       - FLASH_HalfCycleAccess_Disable: FLASH Half Cycle Disable

-* Output         : None

-* Return         : None

-*******************************************************************************/

-void FLASH_HalfCycleAccessCmd(u32 FLASH_HalfCycleAccess)

-{

-  /* Check the parameters */

-  assert_param(IS_FLASH_HALFCYCLEACCESS_STATE(FLASH_HalfCycleAccess));

-  

-  /* Enable or disable the Half cycle access */

-  FLASH->ACR &= ACR_HLFCYA_Mask;

-  FLASH->ACR |= FLASH_HalfCycleAccess;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_PrefetchBufferCmd

-* Description    : Enables or disables the Prefetch Buffer.

-* Input          : - FLASH_PrefetchBuffer: specifies the Prefetch buffer status.

-*                    This parameter can be one of the following values:

-*                       - FLASH_PrefetchBuffer_Enable: FLASH Prefetch Buffer Enable

-*                       - FLASH_PrefetchBuffer_Disable: FLASH Prefetch Buffer Disable

-* Output         : None

-* Return         : None

-*******************************************************************************/

-

-void FLASH_PrefetchBufferCmd(u32 FLASH_PrefetchBuffer)

-{

-  /* Check the parameters */

-  assert_param(IS_FLASH_PREFETCHBUFFER_STATE(FLASH_PrefetchBuffer));

-  

-  /* Enable or disable the Prefetch Buffer */

-  FLASH->ACR &= ACR_PRFTBE_Mask;

-  FLASH->ACR |= FLASH_PrefetchBuffer;

-}

-

-#ifdef _FLASH_PROG

-/*******************************************************************************

-* Function Name  : FLASH_Unlock

-* Description    : Unlocks the FLASH Program Erase Controller.

-* Input          : None

-* Output         : None

-* Return         : None

-*******************************************************************************/

-void FLASH_Unlock(void)

-{

-  /* Authorize the FPEC Access */

-  FLASH->KEYR = FLASH_KEY1;

-  FLASH->KEYR = FLASH_KEY2;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_Lock

-* Description    : Locks the FLASH Program Erase Controller.

-* Input          : None

-* Output         : None

-* Return         : None

-*******************************************************************************/

-void FLASH_Lock(void)

-{

-  /* Set the Lock Bit to lock the FPEC and the FCR */

-  FLASH->CR |= CR_LOCK_Set;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ErasePage

-* Description    : Erases a specified FLASH page.

-* Input          : - Page_Address: The page address to be erased.

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_ErasePage(u32 Page_Address)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-

-  /* Check the parameters */

-  assert_param(IS_FLASH_ADDRESS(Page_Address));

-

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(EraseTimeout);

-  

-  if(status == FLASH_COMPLETE)

-  { 

-    /* if the previous operation is completed, proceed to erase the page */

-    FLASH->CR|= CR_PER_Set;

-    FLASH->AR = Page_Address; 

-    FLASH->CR|= CR_STRT_Set;

-    

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(EraseTimeout);

-

-    if(status != FLASH_BUSY)

-    {

-      /* if the erase operation is completed, disable the PER Bit */

-      FLASH->CR &= CR_PER_Reset;

-    }

-  }

-  /* Return the Erase Status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_EraseAllPages

-* Description    : Erases all FLASH pages.

-* Input          : None

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_EraseAllPages(void)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(EraseTimeout);

-  

-  if(status == FLASH_COMPLETE)

-  {

-    /* if the previous operation is completed, proceed to erase all pages */

-     FLASH->CR |= CR_MER_Set;

-     FLASH->CR |= CR_STRT_Set;

-    

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(EraseTimeout);

-

-    if(status != FLASH_BUSY)

-    {

-      /* if the erase operation is completed, disable the MER Bit */

-      FLASH->CR &= CR_MER_Reset;

-    }

-  }	   

-  /* Return the Erase Status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_EraseOptionBytes

-* Description    : Erases the FLASH option bytes.

-* Input          : None

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_EraseOptionBytes(void)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-  

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(EraseTimeout);

-

-  if(status == FLASH_COMPLETE)

-  {

-    /* Authorize the small information block programming */

-    FLASH->OPTKEYR = FLASH_KEY1;

-    FLASH->OPTKEYR = FLASH_KEY2;

-    

-    /* if the previous operation is completed, proceed to erase the option bytes */

-    FLASH->CR |= CR_OPTER_Set;

-    FLASH->CR |= CR_STRT_Set;

-

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(EraseTimeout);

-    

-    if(status == FLASH_COMPLETE)

-    {

-      /* if the erase operation is completed, disable the OPTER Bit */

-      FLASH->CR &= CR_OPTER_Reset;

-       

-      /* Enable the Option Bytes Programming operation */

-      FLASH->CR |= CR_OPTPG_Set;

-

-      /* Enable the readout access */

-      OB->RDP= RDP_Key; 

-

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

- 

-      if(status != FLASH_BUSY)

-      {

-        /* if the program operation is completed, disable the OPTPG Bit */

-        FLASH->CR &= CR_OPTPG_Reset;

-      }

-    }

-    else

-    {

-      if (status != FLASH_BUSY)

-      {

-        /* Disable the OPTPG Bit */

-        FLASH->CR &= CR_OPTPG_Reset;

-      }

-    }  

-  }

-  /* Return the erase status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ProgramWord

-* Description    : Programs a word at a specified address.

-* Input          : - Address: specifies the address to be programmed.

-*                  - Data: specifies the data to be programmed.

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT. 

-*******************************************************************************/

-FLASH_Status FLASH_ProgramWord(u32 Address, u32 Data)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-

-  /* Check the parameters */

-  assert_param(IS_FLASH_ADDRESS(Address));

-

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(ProgramTimeout);

-  

-  if(status == FLASH_COMPLETE)

-  {

-    /* if the previous operation is completed, proceed to program the new first 

-    half word */

-    FLASH->CR |= CR_PG_Set;

-  

-    *(vu16*)Address = (u16)Data;

-

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

- 

-    if(status == FLASH_COMPLETE)

-    {

-      /* if the previous operation is completed, proceed to program the new second 

-      half word */

-      *(vu16*)(Address + 2) = Data >> 16;

-    

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

-        

-      if(status != FLASH_BUSY)

-      {

-        /* Disable the PG Bit */

-        FLASH->CR &= CR_PG_Reset;

-      }

-    }

-    else

-    {

-      if (status != FLASH_BUSY)

-      {

-        /* Disable the PG Bit */

-        FLASH->CR &= CR_PG_Reset;

-      }

-     }

-  }

-  /* Return the Program Status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ProgramHalfWord

-* Description    : Programs a half word at a specified address.

-* Input          : - Address: specifies the address to be programmed.

-*                  - Data: specifies the data to be programmed.

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT. 

-*******************************************************************************/

-FLASH_Status FLASH_ProgramHalfWord(u32 Address, u16 Data)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-

-  /* Check the parameters */

-  assert_param(IS_FLASH_ADDRESS(Address));

-

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(ProgramTimeout);

-  

-  if(status == FLASH_COMPLETE)

-  {

-    /* if the previous operation is completed, proceed to program the new data */

-    FLASH->CR |= CR_PG_Set;

-  

-    *(vu16*)Address = Data;

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

-

-    if(status != FLASH_BUSY)

-    {

-      /* if the program operation is completed, disable the PG Bit */

-      FLASH->CR &= CR_PG_Reset;

-    }

-  } 

-  /* Return the Program Status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ProgramOptionByteData

-* Description    : Programs a half word at a specified Option Byte Data address.

-* Input          : - Address: specifies the address to be programmed.

-*                    This parameter can be 0x1FFFF804 or 0x1FFFF806. 

-*                  - Data: specifies the data to be programmed.

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT. 

-*******************************************************************************/

-FLASH_Status FLASH_ProgramOptionByteData(u32 Address, u8 Data)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-

-  /* Check the parameters */

-  assert_param(IS_OB_DATA_ADDRESS(Address));

-

-  status = FLASH_WaitForLastOperation(ProgramTimeout);

-

-  if(status == FLASH_COMPLETE)

-  {

-    /* Authorize the small information block programming */

-    FLASH->OPTKEYR = FLASH_KEY1;

-    FLASH->OPTKEYR = FLASH_KEY2;

-

-    /* Enables the Option Bytes Programming operation */

-    FLASH->CR |= CR_OPTPG_Set; 

-    *(vu16*)Address = Data;

-    

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

-

-    if(status != FLASH_BUSY)

-    {

-      /* if the program operation is completed, disable the OPTPG Bit */

-      FLASH->CR &= CR_OPTPG_Reset;

-    }

-  }    

-  /* Return the Option Byte Data Program Status */

-  return status;      

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_EnableWriteProtection

-* Description    : Write protects the desired pages

-* Input          : - FLASH_Pages: specifies the address of the pages to be 

-*                    write protected. This parameter can be:

-*                    - For STM32F10Xxx Medium-density devices (FLASH page size equal to 1 KB)

-*                       - A value between FLASH_WRProt_Pages0to3 and 

-*                         FLASH_WRProt_Pages124to127

-*                    - For STM32F10Xxx High-density devices (FLASH page size equal to 2 KB) 

-*                       - A value between FLASH_WRProt_Pages0to1 and

-*                         FLASH_WRProt_Pages60to61 or FLASH_WRProt_Pages62to255 

-*                       - FLASH_WRProt_AllPages

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_EnableWriteProtection(u32 FLASH_Pages)

-{

-  u16 WRP0_Data = 0xFFFF, WRP1_Data = 0xFFFF, WRP2_Data = 0xFFFF, WRP3_Data = 0xFFFF;

-  

-  FLASH_Status status = FLASH_COMPLETE;

-  

-  /* Check the parameters */

-  assert_param(IS_FLASH_WRPROT_PAGE(FLASH_Pages));

-  

-  FLASH_Pages = (u32)(~FLASH_Pages);

-  WRP0_Data = (vu16)(FLASH_Pages & WRP0_Mask);

-  WRP1_Data = (vu16)((FLASH_Pages & WRP1_Mask) >> 8);

-  WRP2_Data = (vu16)((FLASH_Pages & WRP2_Mask) >> 16);

-  WRP3_Data = (vu16)((FLASH_Pages & WRP3_Mask) >> 24);

-  

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(ProgramTimeout);

-  

-  if(status == FLASH_COMPLETE)

-  {

-    /* Authorizes the small information block programming */

-    FLASH->OPTKEYR = FLASH_KEY1;

-    FLASH->OPTKEYR = FLASH_KEY2;

-    FLASH->CR |= CR_OPTPG_Set;

-

-    if(WRP0_Data != 0xFF)

-    {

-      OB->WRP0 = WRP0_Data;

-      

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

-    }

-    if((status == FLASH_COMPLETE) && (WRP1_Data != 0xFF))

-    {

-      OB->WRP1 = WRP1_Data;

-      

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

-    }

-

-    if((status == FLASH_COMPLETE) && (WRP2_Data != 0xFF))

-    {

-      OB->WRP2 = WRP2_Data;

-      

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

-    }

-    

-    if((status == FLASH_COMPLETE)&& (WRP3_Data != 0xFF))

-    {

-      OB->WRP3 = WRP3_Data;

-     

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

-    }

-          

-    if(status != FLASH_BUSY)

-    {

-      /* if the program operation is completed, disable the OPTPG Bit */

-      FLASH->CR &= CR_OPTPG_Reset;

-    }

-  } 

-  /* Return the write protection operation Status */

-  return status;       

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ReadOutProtection

-* Description    : Enables or disables the read out protection.

-*                  If the user has already programmed the other option bytes before 

-*                  calling this function, he must re-program them since this 

-*                  function erases all option bytes.

-* Input          : - Newstate: new state of the ReadOut Protection.

-*                    This parameter can be: ENABLE or DISABLE.

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-

-  /* Check the parameters */

-  assert_param(IS_FUNCTIONAL_STATE(NewState));

-

-  status = FLASH_WaitForLastOperation(EraseTimeout);

-

-  if(status == FLASH_COMPLETE)

-  {

-    /* Authorizes the small information block programming */

-    FLASH->OPTKEYR = FLASH_KEY1;

-    FLASH->OPTKEYR = FLASH_KEY2;

-

-    FLASH->CR |= CR_OPTER_Set;

-    FLASH->CR |= CR_STRT_Set;

-

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(EraseTimeout);

-

-    if(status == FLASH_COMPLETE)

-    {

-      /* if the erase operation is completed, disable the OPTER Bit */

-      FLASH->CR &= CR_OPTER_Reset;

-

-      /* Enable the Option Bytes Programming operation */

-      FLASH->CR |= CR_OPTPG_Set; 

-

-      if(NewState != DISABLE)

-      {

-        OB->RDP = 0x00;

-      }

-      else

-      {

-        OB->RDP = RDP_Key;  

-      }

-

-      /* Wait for last operation to be completed */

-      status = FLASH_WaitForLastOperation(EraseTimeout); 

-    

-      if(status != FLASH_BUSY)

-      {

-        /* if the program operation is completed, disable the OPTPG Bit */

-        FLASH->CR &= CR_OPTPG_Reset;

-      }

-    }

-    else 

-    {

-      if(status != FLASH_BUSY)

-      {

-        /* Disable the OPTER Bit */

-        FLASH->CR &= CR_OPTER_Reset;

-      }

-    }

-  }

-  /* Return the protection operation Status */

-  return status;      

-}

-  	

-/*******************************************************************************

-* Function Name  : FLASH_UserOptionByteConfig

-* Description    : Programs the FLASH User Option Byte: IWDG_SW / RST_STOP /

-*                  RST_STDBY.

-* Input          : - OB_IWDG: Selects the IWDG mode

-*                     This parameter can be one of the following values:

-*                     - OB_IWDG_SW: Software IWDG selected

-*                     - OB_IWDG_HW: Hardware IWDG selected

-*                  - OB_STOP: Reset event when entering STOP mode.

-*                     This parameter can be one of the following values:

-*                     - OB_STOP_NoRST: No reset generated when entering in STOP

-*                     - OB_STOP_RST: Reset generated when entering in STOP

-*                  - OB_STDBY: Reset event when entering Standby mode.

-*                    This parameter can be one of the following values:

-*                     - OB_STDBY_NoRST: No reset generated when entering in STANDBY

-*                     - OB_STDBY_RST: Reset generated when entering in STANDBY

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_UserOptionByteConfig(u16 OB_IWDG, u16 OB_STOP, u16 OB_STDBY)

-{

-  FLASH_Status status = FLASH_COMPLETE; 

-

-  /* Check the parameters */

-  assert_param(IS_OB_IWDG_SOURCE(OB_IWDG));

-  assert_param(IS_OB_STOP_SOURCE(OB_STOP));

-  assert_param(IS_OB_STDBY_SOURCE(OB_STDBY));

-

-  /* Authorize the small information block programming */

-  FLASH->OPTKEYR = FLASH_KEY1;

-  FLASH->OPTKEYR = FLASH_KEY2;

-  

-  /* Wait for last operation to be completed */

-  status = FLASH_WaitForLastOperation(ProgramTimeout);

-  

-  if(status == FLASH_COMPLETE)

-  {  

-    /* Enable the Option Bytes Programming operation */

-    FLASH->CR |= CR_OPTPG_Set; 

-           

-    OB->USER = ( OB_IWDG | OB_STOP |OB_STDBY) | (u16)0xF8; 

-  

-    /* Wait for last operation to be completed */

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

-

-    if(status != FLASH_BUSY)

-    {

-      /* if the program operation is completed, disable the OPTPG Bit */

-      FLASH->CR &= CR_OPTPG_Reset;

-    }

-  }    

-  /* Return the Option Byte program Status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_GetUserOptionByte

-* Description    : Returns the FLASH User Option Bytes values.

-* Input          : None

-* Output         : None

-* Return         : The FLASH User Option Bytes values:IWDG_SW(Bit0), RST_STOP(Bit1)

-*                  and RST_STDBY(Bit2).

-*******************************************************************************/

-u32 FLASH_GetUserOptionByte(void)

-{

-  /* Return the User Option Byte */

-  return (u32)(FLASH->OBR >> 2);

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_GetWriteProtectionOptionByte

-* Description    : Returns the FLASH Write Protection Option Bytes Register value.

-* Input          : None

-* Output         : None

-* Return         : The FLASH Write Protection  Option Bytes Register value

-*******************************************************************************/

-u32 FLASH_GetWriteProtectionOptionByte(void)

-{

-  /* Return the Falsh write protection Register value */

-  return (u32)(FLASH->WRPR);

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_GetReadOutProtectionStatus

-* Description    : Checks whether the FLASH Read Out Protection Status is set 

-*                  or not.

-* Input          : None

-* Output         : None

-* Return         : FLASH ReadOut Protection Status(SET or RESET)

-*******************************************************************************/

-FlagStatus FLASH_GetReadOutProtectionStatus(void)

-{

-  FlagStatus readoutstatus = RESET;

-

-  if ((FLASH->OBR & RDPRT_Mask) != (u32)RESET)

-  {

-    readoutstatus = SET;

-  }

-  else

-  {

-    readoutstatus = RESET;

-  }

-  return readoutstatus;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_GetPrefetchBufferStatus

-* Description    : Checks whether the FLASH Prefetch Buffer status is set or not.

-* Input          : None

-* Output         : None

-* Return         : FLASH Prefetch Buffer Status (SET or RESET).

-*******************************************************************************/

-FlagStatus FLASH_GetPrefetchBufferStatus(void)

-{

-  FlagStatus bitstatus = RESET;

-  

-  if ((FLASH->ACR & ACR_PRFTBS_Mask) != (u32)RESET)

-  {

-    bitstatus = SET;

-  }

-  else

-  {

-    bitstatus = RESET;

-  }

-  /* Return the new state of FLASH Prefetch Buffer Status (SET or RESET) */

-  return bitstatus; 

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ITConfig

-* Description    : Enables or disables the specified FLASH interrupts.

-* Input          : - FLASH_IT: specifies the FLASH interrupt sources to be 

-*                    enabled or disabled.

-*                    This parameter can be any combination of the following values:

-*                       - FLASH_IT_ERROR: FLASH Error Interrupt

-*                       - FLASH_IT_EOP: FLASH end of operation Interrupt

-* Output         : None

-* Return         : None 

-*******************************************************************************/

-void FLASH_ITConfig(u16 FLASH_IT, FunctionalState NewState)

-{

-  /* Check the parameters */

-  assert_param(IS_FLASH_IT(FLASH_IT)); 

-  assert_param(IS_FUNCTIONAL_STATE(NewState));

-

-  if(NewState != DISABLE)

-  {

-    /* Enable the interrupt sources */

-    FLASH->CR |= FLASH_IT;

-  }

-  else

-  {

-    /* Disable the interrupt sources */

-    FLASH->CR &= ~(u32)FLASH_IT;

-  }

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_GetFlagStatus

-* Description    : Checks whether the specified FLASH flag is set or not.

-* Input          : - FLASH_FLAG: specifies the FLASH flag to check.

-*                     This parameter can be one of the following values:

-*                    - FLASH_FLAG_BSY: FLASH Busy flag           

-*                    - FLASH_FLAG_PGERR: FLASH Program error flag       

-*                    - FLASH_FLAG_WRPRTERR: FLASH Write protected error flag      

-*                    - FLASH_FLAG_EOP: FLASH End of Operation flag           

-*                    - FLASH_FLAG_OPTERR:  FLASH Option Byte error flag     

-* Output         : None

-* Return         : The new state of FLASH_FLAG (SET or RESET).

-*******************************************************************************/

-FlagStatus FLASH_GetFlagStatus(u16 FLASH_FLAG)

-{

-  FlagStatus bitstatus = RESET;

-

-  /* Check the parameters */

-  assert_param(IS_FLASH_GET_FLAG(FLASH_FLAG)) ;

-

-  if(FLASH_FLAG == FLASH_FLAG_OPTERR) 

-  {

-    if((FLASH->OBR & FLASH_FLAG_OPTERR) != (u32)RESET)

-    {

-      bitstatus = SET;

-    }

-    else

-    {

-      bitstatus = RESET;

-    }

-  }

-  else

-  {

-   if((FLASH->SR & FLASH_FLAG) != (u32)RESET)

-    {

-      bitstatus = SET;

-    }

-    else

-    {

-      bitstatus = RESET;

-    }

-  }

-  /* Return the new state of FLASH_FLAG (SET or RESET) */

-  return bitstatus;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_ClearFlag

-* Description    : Clears the FLASH’s pending flags.

-* Input          : - FLASH_FLAG: specifies the FLASH flags to clear.

-*                    This parameter can be any combination of the following values:

-*                    - FLASH_FLAG_BSY: FLASH Busy flag           

-*                    - FLASH_FLAG_PGERR: FLASH Program error flag       

-*                    - FLASH_FLAG_WRPRTERR: FLASH Write protected error flag      

-*                    - FLASH_FLAG_EOP: FLASH End of Operation flag           

-* Output         : None

-* Return         : None

-*******************************************************************************/

-void FLASH_ClearFlag(u16 FLASH_FLAG)

-{

-  /* Check the parameters */

-  assert_param(IS_FLASH_CLEAR_FLAG(FLASH_FLAG)) ;

-  

-  /* Clear the flags */

-  FLASH->SR = FLASH_FLAG;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_GetStatus

-* Description    : Returns the FLASH Status.

-* Input          : None

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP or FLASH_COMPLETE

-*******************************************************************************/

-FLASH_Status FLASH_GetStatus(void)

-{

-  FLASH_Status flashstatus = FLASH_COMPLETE;

-  

-  if((FLASH->SR & FLASH_FLAG_BSY) == FLASH_FLAG_BSY) 

-  {

-    flashstatus = FLASH_BUSY;

-  }

-  else 

-  {  

-    if(FLASH->SR & FLASH_FLAG_PGERR)

-    { 

-      flashstatus = FLASH_ERROR_PG;

-    }

-    else 

-    {

-      if(FLASH->SR & FLASH_FLAG_WRPRTERR)

-      {

-        flashstatus = FLASH_ERROR_WRP;

-      }

-      else

-      {

-        flashstatus = FLASH_COMPLETE;

-      }

-    }

-  }

-  /* Return the Flash Status */

-  return flashstatus;

-}

-

-/*******************************************************************************

-* Function Name  : FLASH_WaitForLastOperation

-* Description    : Waits for a Flash operation to complete or a TIMEOUT to occur.

-* Input          : - Timeout: FLASH progamming Timeout

-* Output         : None

-* Return         : FLASH Status: The returned value can be: FLASH_BUSY, 

-*                  FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_COMPLETE or 

-*                  FLASH_TIMEOUT.

-*******************************************************************************/

-FLASH_Status FLASH_WaitForLastOperation(u32 Timeout)

-{ 

-  FLASH_Status status = FLASH_COMPLETE;

-   

-  /* Check for the Flash Status */

-  status = FLASH_GetStatus();

-

-  /* Wait for a Flash operation to complete or a TIMEOUT to occur */

-  while((status == FLASH_BUSY) && (Timeout != 0x00))

-  {

-    delay();

-    status = FLASH_GetStatus();

-    Timeout--;

-  }

-

-  if(Timeout == 0x00 )

-  {

-    status = FLASH_TIMEOUT;

-  }

-

-  /* Return the operation status */

-  return status;

-}

-

-/*******************************************************************************

-* Function Name  : delay

-* Description    : Inserts a time delay.

-* Input          : None

-* Output         : None

-* Return         : None

-*******************************************************************************/

-static void delay(void)

-{

-  vu32 i = 0;

-

-  for(i = 0xFF; i != 0; i--)

-  {

-  }

-}

-#endif

-

-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/