git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1286 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 0 insertions, 874 deletions

diff --git a/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_flash.c b/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_flash.c
deleted file mode 100644
index 22ee18000..000000000
--- a/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_flash.c
+++ /dev/null
@@ -1,874 +0,0 @@
-/**

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

-  * @file    stm32f10x_flash.c

-  * @author  MCD Application Team

-  * @version V3.1.0

-  * @date    06/19/2009

-  * @brief   This file provides all the FLASH firmware functions.

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

-  * @copy

-  *

-  * 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.

-  *

-  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>

-  */ 

-

-/* Includes ------------------------------------------------------------------*/

-#include "stm32f10x_flash.h"

-

-/** @addtogroup STM32F10x_StdPeriph_Driver

-  * @{

-  */

-

-/** @defgroup FLASH 

-  * @brief FLASH driver modules

-  * @{

-  */ 

-

-/** @defgroup FLASH_Private_TypesDefinitions

-  * @{

-  */

-

-/**

-  * @}

-  */ 

-

-/** @defgroup FLASH_Private_Defines

-  * @{

-  */ 

-

-/* Flash Access Control Register bits */

-#define ACR_LATENCY_Mask         ((uint32_t)0x00000038)

-#define ACR_HLFCYA_Mask          ((uint32_t)0xFFFFFFF7)

-#define ACR_PRFTBE_Mask          ((uint32_t)0xFFFFFFEF)

-

-/* Flash Access Control Register bits */

-#define ACR_PRFTBS_Mask          ((uint32_t)0x00000020) 

-

-/* Flash Control Register bits */

-#define CR_PG_Set                ((uint32_t)0x00000001)

-#define CR_PG_Reset              ((uint32_t)0x00001FFE) 

-#define CR_PER_Set               ((uint32_t)0x00000002)

-#define CR_PER_Reset             ((uint32_t)0x00001FFD)

-#define CR_MER_Set               ((uint32_t)0x00000004)

-#define CR_MER_Reset             ((uint32_t)0x00001FFB)

-#define CR_OPTPG_Set             ((uint32_t)0x00000010)

-#define CR_OPTPG_Reset           ((uint32_t)0x00001FEF)

-#define CR_OPTER_Set             ((uint32_t)0x00000020)

-#define CR_OPTER_Reset           ((uint32_t)0x00001FDF)

-#define CR_STRT_Set              ((uint32_t)0x00000040)

-#define CR_LOCK_Set              ((uint32_t)0x00000080)

-

-/* FLASH Mask */

-#define RDPRT_Mask               ((uint32_t)0x00000002)

-#define WRP0_Mask                ((uint32_t)0x000000FF)

-#define WRP1_Mask                ((uint32_t)0x0000FF00)

-#define WRP2_Mask                ((uint32_t)0x00FF0000)

-#define WRP3_Mask                ((uint32_t)0xFF000000)

-

-/* FLASH Keys */

-#define RDP_Key                  ((uint16_t)0x00A5)

-#define FLASH_KEY1               ((uint32_t)0x45670123)

-#define FLASH_KEY2               ((uint32_t)0xCDEF89AB)

-

-/* Delay definition */   

-#define EraseTimeout             ((uint32_t)0x00000FFF)

-#define ProgramTimeout           ((uint32_t)0x0000000F)

-

-/**

-  * @}

-  */ 

-

-/** @defgroup FLASH_Private_Macros

-  * @{

-  */

-

-/**

-  * @}

-  */ 

-

-/** @defgroup FLASH_Private_Variables

-  * @{

-  */

-

-/**

-  * @}

-  */ 

-

-/** @defgroup FLASH_Private_FunctionPrototypes

-  * @{

-  */

-

-static void delay(void);

-/**

-  * @}

-  */

-

-/** @defgroup FLASH_Private_Functions

-  * @{

-  */

-

-/**

-  * @brief  Sets the code latency value.

-  * @param  FLASH_Latency: specifies the FLASH Latency value.

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

-  *     @arg FLASH_Latency_0: FLASH Zero Latency cycle

-  *     @arg FLASH_Latency_1: FLASH One Latency cycle

-  *     @arg FLASH_Latency_2: FLASH Two Latency cycles

-  * @retval None

-  */

-void FLASH_SetLatency(uint32_t FLASH_Latency)

-{

-  uint32_t tmpreg = 0;

-  

-  /* Check the parameters */

-  assert_param(IS_FLASH_LATENCY(FLASH_Latency));

-  

-  /* Read the ACR register */

-  tmpreg = FLASH->ACR;  

-  

-  /* Sets the Latency value */

-  tmpreg &= ACR_LATENCY_Mask;

-  tmpreg |= FLASH_Latency;

-  

-  /* Write the ACR register */

-  FLASH->ACR = tmpreg;

-}

-

-/**

-  * @brief  Enables or disables the Half cycle flash access.

-  * @param  FLASH_HalfCycleAccess: specifies the FLASH Half cycle Access mode.

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

-  *     @arg FLASH_HalfCycleAccess_Enable: FLASH Half Cycle Enable

-  *     @arg FLASH_HalfCycleAccess_Disable: FLASH Half Cycle Disable

-  * @retval None

-  */

-void FLASH_HalfCycleAccessCmd(uint32_t 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;

-}

-

-/**

-  * @brief  Enables or disables the Prefetch Buffer.

-  * @param  FLASH_PrefetchBuffer: specifies the Prefetch buffer status.

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

-  *     @arg FLASH_PrefetchBuffer_Enable: FLASH Prefetch Buffer Enable

-  *     @arg FLASH_PrefetchBuffer_Disable: FLASH Prefetch Buffer Disable

-  * @retval None

-  */

-void FLASH_PrefetchBufferCmd(uint32_t 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;

-}

-

-/**

-  * @brief  Unlocks the FLASH Program Erase Controller.

-  * @param  None

-  * @retval None

-  */

-void FLASH_Unlock(void)

-{

-  /* Authorize the FPEC Access */

-  FLASH->KEYR = FLASH_KEY1;

-  FLASH->KEYR = FLASH_KEY2;

-}

-

-/**

-  * @brief  Locks the FLASH Program Erase Controller.

-  * @param  None

-  * @retval None

-  */

-void FLASH_Lock(void)

-{

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

-  FLASH->CR |= CR_LOCK_Set;

-}

-

-/**

-  * @brief  Erases a specified FLASH page.

-  * @param  Page_Address: The page address to be erased.

-  * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG,

-  *   FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.

-  */

-FLASH_Status FLASH_ErasePage(uint32_t 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_TIMEOUT)

-    {

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

-      FLASH->CR &= CR_PER_Reset;

-    }

-  }

-  /* Return the Erase Status */

-  return status;

-}

-

-/**

-  * @brief  Erases all FLASH pages.

-  * @param  None

-  * @retval FLASH Status: The returned value can be: 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_TIMEOUT)

-    {

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

-      FLASH->CR &= CR_MER_Reset;

-    }

-  }	   

-  /* Return the Erase Status */

-  return status;

-}

-

-/**

-  * @brief  Erases the FLASH option bytes.

-  * @param  None

-  * @retval FLASH Status: The returned value can be: 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_TIMEOUT)

-      {

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

-        FLASH->CR &= CR_OPTPG_Reset;

-      }

-    }

-    else

-    {

-      if (status != FLASH_TIMEOUT)

-      {

-        /* Disable the OPTPG Bit */

-        FLASH->CR &= CR_OPTPG_Reset;

-      }

-    }  

-  }

-  /* Return the erase status */

-  return status;

-}

-

-/**

-  * @brief  Programs a word at a specified address.

-  * @param  Address: specifies the address to be programmed.

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

-  * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,

-  *   FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. 

-  */

-FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data)

-{

-  FLASH_Status status = FLASH_COMPLETE;

-  __IO uint32_t tmp = 0;

-

-  /* 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;

-  

-    *(__IO uint16_t*)Address = (uint16_t)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 */

-      tmp = Address + 2;

-

-      *(__IO uint16_t*) tmp = Data >> 16;

-    

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

-      status = FLASH_WaitForLastOperation(ProgramTimeout);

-        

-      if(status != FLASH_TIMEOUT)

-      {

-        /* Disable the PG Bit */

-        FLASH->CR &= CR_PG_Reset;

-      }

-    }

-    else

-    {

-      if (status != FLASH_TIMEOUT)

-      {

-        /* Disable the PG Bit */

-        FLASH->CR &= CR_PG_Reset;

-      }

-     }

-  }

-  /* Return the Program Status */

-  return status;

-}

-

-/**

-  * @brief  Programs a half word at a specified address.

-  * @param  Address: specifies the address to be programmed.

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

-  * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,

-  *   FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. 

-  */

-FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t 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;

-  

-    *(__IO uint16_t*)Address = Data;

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

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

-    if(status != FLASH_TIMEOUT)

-    {

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

-      FLASH->CR &= CR_PG_Reset;

-    }

-  } 

-  /* Return the Program Status */

-  return status;

-}

-

-/**

-  * @brief  Programs a half word at a specified Option Byte Data address.

-  * @param  Address: specifies the address to be programmed.

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

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

-  * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,

-  *   FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. 

-  */

-FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t 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; 

-    *(__IO uint16_t*)Address = Data;

-    

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

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

-    if(status != FLASH_TIMEOUT)

-    {

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

-      FLASH->CR &= CR_OPTPG_Reset;

-    }

-  }    

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

-  return status;

-}

-

-/**

-  * @brief  Write protects the desired pages

-  * @param  FLASH_Pages: specifies the address of the pages to be write protected.

-  *   This parameter can be:

-  *     @arg For @b STM32_Low-density_devices: value between FLASH_WRProt_Pages0to3 and FLASH_WRProt_Pages28to31  

-  *     @arg For @b STM32_Medium-density_devices: value between FLASH_WRProt_Pages0to3

-  *       and FLASH_WRProt_Pages124to127

-  *     @arg For @b STM32_High-density_devices: value between FLASH_WRProt_Pages0to1 and

-  *       FLASH_WRProt_Pages60to61 or FLASH_WRProt_Pages62to255

-  *     @arg For @b STM32_Connectivity_line_devices: value between FLASH_WRProt_Pages0to1 and

-  *       FLASH_WRProt_Pages60to61 or FLASH_WRProt_Pages62to127    

-  *     @arg FLASH_WRProt_AllPages

-  * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,

-  *   FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.

-  */

-FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages)

-{

-  uint16_t 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 = (uint32_t)(~FLASH_Pages);

-  WRP0_Data = (uint16_t)(FLASH_Pages & WRP0_Mask);

-  WRP1_Data = (uint16_t)((FLASH_Pages & WRP1_Mask) >> 8);

-  WRP2_Data = (uint16_t)((FLASH_Pages & WRP2_Mask) >> 16);

-  WRP3_Data = (uint16_t)((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_TIMEOUT)

-    {

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

-      FLASH->CR &= CR_OPTPG_Reset;

-    }

-  } 

-  /* Return the write protection operation Status */

-  return status;       

-}

-

-/**

-  * @brief  Enables or disables the read out protection.

-  * @note   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.

-  * @param  Newstate: new state of the ReadOut Protection.

-  *   This parameter can be: ENABLE or DISABLE.

-  * @retval FLASH Status: The returned value can be: 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_TIMEOUT)

-      {

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

-        FLASH->CR &= CR_OPTPG_Reset;

-      }

-    }

-    else 

-    {

-      if(status != FLASH_TIMEOUT)

-      {

-        /* Disable the OPTER Bit */

-        FLASH->CR &= CR_OPTER_Reset;

-      }

-    }

-  }

-  /* Return the protection operation Status */

-  return status;      

-}

-

-/**

-  * @brief  Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY.

-  * @param  OB_IWDG: Selects the IWDG mode

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

-  *     @arg OB_IWDG_SW: Software IWDG selected

-  *     @arg OB_IWDG_HW: Hardware IWDG selected

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

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

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

-  *     @arg OB_STOP_RST: Reset generated when entering in STOP

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

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

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

-  *     @arg OB_STDBY_RST: Reset generated when entering in STANDBY

-  * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, 

-  * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.

-  */

-FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t 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 | (uint16_t)(OB_STOP | (uint16_t)(OB_STDBY | ((uint16_t)0xF8))); 

-  

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

-    status = FLASH_WaitForLastOperation(ProgramTimeout);

-    if(status != FLASH_TIMEOUT)

-    {

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

-      FLASH->CR &= CR_OPTPG_Reset;

-    }

-  }    

-  /* Return the Option Byte program Status */

-  return status;

-}

-

-/**

-  * @brief  Returns the FLASH User Option Bytes values.

-  * @param  None

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

-  *   and RST_STDBY(Bit2).

-  */

-uint32_t FLASH_GetUserOptionByte(void)

-{

-  /* Return the User Option Byte */

-  return (uint32_t)(FLASH->OBR >> 2);

-}

-

-/**

-  * @brief  Returns the FLASH Write Protection Option Bytes Register value.

-  * @param  None

-  * @retval The FLASH Write Protection  Option Bytes Register value

-  */

-uint32_t FLASH_GetWriteProtectionOptionByte(void)

-{

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

-  return (uint32_t)(FLASH->WRPR);

-}

-

-/**

-  * @brief  Checks whether the FLASH Read Out Protection Status is set or not.

-  * @param  None

-  * @retval FLASH ReadOut Protection Status(SET or RESET)

-  */

-FlagStatus FLASH_GetReadOutProtectionStatus(void)

-{

-  FlagStatus readoutstatus = RESET;

-  if ((FLASH->OBR & RDPRT_Mask) != (uint32_t)RESET)

-  {

-    readoutstatus = SET;

-  }

-  else

-  {

-    readoutstatus = RESET;

-  }

-  return readoutstatus;

-}

-

-/**

-  * @brief  Checks whether the FLASH Prefetch Buffer status is set or not.

-  * @param  None

-  * @retval FLASH Prefetch Buffer Status (SET or RESET).

-  */

-FlagStatus FLASH_GetPrefetchBufferStatus(void)

-{

-  FlagStatus bitstatus = RESET;

-  

-  if ((FLASH->ACR & ACR_PRFTBS_Mask) != (uint32_t)RESET)

-  {

-    bitstatus = SET;

-  }

-  else

-  {

-    bitstatus = RESET;

-  }

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

-  return bitstatus; 

-}

-

-/**

-  * @brief  Enables or disables the specified FLASH interrupts.

-  * @param  FLASH_IT: specifies the FLASH interrupt sources to be enabled or disabled.

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

-  *     @arg FLASH_IT_ERROR: FLASH Error Interrupt

-  *     @arg FLASH_IT_EOP: FLASH end of operation Interrupt

-  * @param  NewState: new state of the specified Flash interrupts.

-  *   This parameter can be: ENABLE or DISABLE.      

-  * @retval None 

-  */

-void FLASH_ITConfig(uint16_t 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 &= ~(uint32_t)FLASH_IT;

-  }

-}

-

-/**

-  * @brief  Checks whether the specified FLASH flag is set or not.

-  * @param  FLASH_FLAG: specifies the FLASH flag to check.

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

-  *     @arg FLASH_FLAG_BSY: FLASH Busy flag           

-  *     @arg FLASH_FLAG_PGERR: FLASH Program error flag       

-  *     @arg FLASH_FLAG_WRPRTERR: FLASH Write protected error flag      

-  *     @arg FLASH_FLAG_EOP: FLASH End of Operation flag           

-  *     @arg FLASH_FLAG_OPTERR:  FLASH Option Byte error flag     

-  * @retval The new state of FLASH_FLAG (SET or RESET).

-  */

-FlagStatus FLASH_GetFlagStatus(uint16_t 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) != (uint32_t)RESET)

-    {

-      bitstatus = SET;

-    }

-    else

-    {

-      bitstatus = RESET;

-    }

-  }

-  else

-  {

-   if((FLASH->SR & FLASH_FLAG) != (uint32_t)RESET)

-    {

-      bitstatus = SET;

-    }

-    else

-    {

-      bitstatus = RESET;

-    }

-  }

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

-  return bitstatus;

-}

-

-/**

-  * @brief  Clears the FLASH’s pending flags.

-  * @param  FLASH_FLAG: specifies the FLASH flags to clear.

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

-  *     @arg FLASH_FLAG_PGERR: FLASH Program error flag       

-  *     @arg FLASH_FLAG_WRPRTERR: FLASH Write protected error flag      

-  *     @arg FLASH_FLAG_EOP: FLASH End of Operation flag           

-  * @retval None

-  */

-void FLASH_ClearFlag(uint16_t FLASH_FLAG)

-{

-  /* Check the parameters */

-  assert_param(IS_FLASH_CLEAR_FLAG(FLASH_FLAG)) ;

-  

-  /* Clear the flags */

-  FLASH->SR = FLASH_FLAG;

-}

-

-/**

-  * @brief  Returns the FLASH Status.

-  * @param  None

-  * @retval 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) != 0)

-    { 

-      flashstatus = FLASH_ERROR_PG;

-    }

-    else 

-    {

-      if((FLASH->SR & FLASH_FLAG_WRPRTERR) != 0 )

-      {

-        flashstatus = FLASH_ERROR_WRP;

-      }

-      else

-      {

-        flashstatus = FLASH_COMPLETE;

-      }

-    }

-  }

-  /* Return the Flash Status */

-  return flashstatus;

-}

-

-/**

-  * @brief  Waits for a Flash operation to complete or a TIMEOUT to occur.

-  * @param  Timeout: FLASH progamming Timeout

-  * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG,

-  *   FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.

-  */

-FLASH_Status FLASH_WaitForLastOperation(uint32_t 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;

-}

-

-/**

-  * @brief  Inserts a time delay.

-  * @param  None

-  * @retval None

-  */

-static void delay(void)

-{

-  __IO uint32_t i = 0;

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

-  {

-  }

-}

-

-/**

-  * @}

-  */

-

-/**

-  * @}

-  */

-

-/**

-  * @}

-  */

-

-/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/