openblt/Target/Demo/ARMCM4_STM32F3_Nucleo_F303K.../Boot/lib/SPL/src/stm32f30x_fmc.c

1002 lines
40 KiB
C

/**
******************************************************************************
* @file stm32f30x_fmc.c
* @author MCD Application Team
* @version V1.2.3
* @date 10-July-2015
* @brief This file provides firmware functions to manage the following
* functionalities of the FMC peripheral:
* + Interface with SRAM, PSRAM, NOR and OneNAND memories
* + Interface with NAND memories
* + Interface with 16-bit PC Card compatible memories
* + Interrupts and flags management
*
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f30x_fmc.h"
#include "stm32f30x_rcc.h"
/** @addtogroup STM32F30x_StdPeriph_Driver
* @{
*/
/** @defgroup FMC
* @brief FMC driver modules
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* --------------------- FMC registers bit mask ---------------------------- */
/* FMC BCRx Mask */
#define BCR_MBKEN_SET ((uint32_t)0x00000001)
#define BCR_MBKEN_RESET ((uint32_t)0x000FFFFE)
#define BCR_FACCEN_SET ((uint32_t)0x00000040)
/* FMC PCRx Mask */
#define PCR_PBKEN_SET ((uint32_t)0x00000004)
#define PCR_PBKEN_RESET ((uint32_t)0x000FFFFB)
#define PCR_ECCEN_SET ((uint32_t)0x00000040)
#define PCR_ECCEN_RESET ((uint32_t)0x000FFFBF)
#define PCR_MEMORYTYPE_NAND ((uint32_t)0x00000008)
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/** @defgroup FMC_Private_Functions
* @{
*/
/** @defgroup FMC_Group1 NOR/SRAM Controller functions
* @brief NOR/SRAM Controller functions
*
@verbatim
===============================================================================
##### NOR and SRAM Controller functions #####
===============================================================================
[..] The following sequence should be followed to configure the FMC to interface
with SRAM, PSRAM, NOR or OneNAND memory connected to the NOR/SRAM Bank:
(#) Enable the clock for the FMC and associated GPIOs using the following functions:
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE);
(#) FMC pins configuration
(++) Connect the involved FMC pins to AF12 using the following function
GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC);
(++) Configure these FMC pins in alternate function mode by calling the function
GPIO_Init();
(#) Declare a FMC_NORSRAMInitTypeDef structure, for example:
FMC_NORSRAMInitTypeDef FMC_NORSRAMInitStructure;
and fill the FMC_NORSRAMInitStructure variable with the allowed values of
the structure member.
(#) Initialize the NOR/SRAM Controller by calling the function
FMC_NORSRAMInit(&FMC_NORSRAMInitStructure);
(#) Then enable the NOR/SRAM Bank, for example:
FMC_NORSRAMCmd(FMC_Bank1_NORSRAM2, ENABLE);
(#) At this stage you can read/write from/to the memory connected to the NOR/SRAM Bank.
@endverbatim
* @{
*/
/**
* @brief De-initializes the FMC NOR/SRAM Banks registers to their default
* reset values.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank1_NORSRAM1: FMC Bank1 NOR/SRAM1
* @arg FMC_Bank1_NORSRAM2: FMC Bank1 NOR/SRAM2
* @arg FMC_Bank1_NORSRAM3: FMC Bank1 NOR/SRAM3
* @arg FMC_Bank1_NORSRAM4: FMC Bank1 NOR/SRAM4
* @retval None
*/
void FMC_NORSRAMDeInit(uint32_t FMC_Bank)
{
/* Check the parameter */
assert_param(IS_FMC_NORSRAM_BANK(FMC_Bank));
/* FMC_Bank1_NORSRAM1 */
if(FMC_Bank == FMC_Bank1_NORSRAM1)
{
FMC_Bank1->BTCR[FMC_Bank] = 0x000030DB;
}
/* FMC_Bank1_NORSRAM2, FMC_Bank1_NORSRAM3 or FMC_Bank1_NORSRAM4 */
else
{
FMC_Bank1->BTCR[FMC_Bank] = 0x000030D2;
}
FMC_Bank1->BTCR[FMC_Bank + 1] = 0x0FFFFFFF;
FMC_Bank1E->BWTR[FMC_Bank] = 0x0FFFFFFF;
}
/**
* @brief Initializes the FMC NOR/SRAM Banks according to the specified
* parameters in the FMC_NORSRAMInitStruct.
* @param FMC_NORSRAMInitStruct : pointer to a FMC_NORSRAMInitTypeDef structure
* that contains the configuration information for the FMC NOR/SRAM
* specified Banks.
* @retval None
*/
void FMC_NORSRAMInit(FMC_NORSRAMInitTypeDef* FMC_NORSRAMInitStruct)
{
/* Check the parameters */
assert_param(IS_FMC_NORSRAM_BANK(FMC_NORSRAMInitStruct->FMC_Bank));
assert_param(IS_FMC_MUX(FMC_NORSRAMInitStruct->FMC_DataAddressMux));
assert_param(IS_FMC_MEMORY(FMC_NORSRAMInitStruct->FMC_MemoryType));
assert_param(IS_FMC_NORSRAM_MEMORY_WIDTH(FMC_NORSRAMInitStruct->FMC_MemoryDataWidth));
assert_param(IS_FMC_BURSTMODE(FMC_NORSRAMInitStruct->FMC_BurstAccessMode));
assert_param(IS_FMC_WAIT_POLARITY(FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity));
assert_param(IS_FMC_WRAP_MODE(FMC_NORSRAMInitStruct->FMC_WrapMode));
assert_param(IS_FMC_WAIT_SIGNAL_ACTIVE(FMC_NORSRAMInitStruct->FMC_WaitSignalActive));
assert_param(IS_FMC_WRITE_OPERATION(FMC_NORSRAMInitStruct->FMC_WriteOperation));
assert_param(IS_FMC_WAITE_SIGNAL(FMC_NORSRAMInitStruct->FMC_WaitSignal));
assert_param(IS_FMC_EXTENDED_MODE(FMC_NORSRAMInitStruct->FMC_ExtendedMode));
assert_param(IS_FMC_ASYNWAIT(FMC_NORSRAMInitStruct->FMC_AsynchronousWait));
assert_param(IS_FMC_WRITE_BURST(FMC_NORSRAMInitStruct->FMC_WriteBurst));
assert_param(IS_FMC_ADDRESS_SETUP_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime));
assert_param(IS_FMC_ADDRESS_HOLD_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime));
assert_param(IS_FMC_DATASETUP_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime));
assert_param(IS_FMC_TURNAROUND_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration));
assert_param(IS_FMC_CLK_DIV(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision));
assert_param(IS_FMC_DATA_LATENCY(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency));
assert_param(IS_FMC_ACCESS_MODE(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode));
/* NOR/SRAM Bank control register configuration */
FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] =
(uint32_t)FMC_NORSRAMInitStruct->FMC_DataAddressMux |
FMC_NORSRAMInitStruct->FMC_MemoryType |
FMC_NORSRAMInitStruct->FMC_MemoryDataWidth |
FMC_NORSRAMInitStruct->FMC_BurstAccessMode |
FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity |
FMC_NORSRAMInitStruct->FMC_WrapMode |
FMC_NORSRAMInitStruct->FMC_WaitSignalActive |
FMC_NORSRAMInitStruct->FMC_WriteOperation |
FMC_NORSRAMInitStruct->FMC_WaitSignal |
FMC_NORSRAMInitStruct->FMC_ExtendedMode |
FMC_NORSRAMInitStruct->FMC_AsynchronousWait |
FMC_NORSRAMInitStruct->FMC_WriteBurst;
if(FMC_NORSRAMInitStruct->FMC_MemoryType == FMC_MemoryType_NOR)
{
FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] |= (uint32_t)BCR_FACCEN_SET;
}
/* NOR/SRAM Bank timing register configuration */
FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank+1] =
(uint32_t)FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime |
(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime << 4) |
(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime << 8) |
(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration << 16) |
(((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision)-1) << 20) |
(((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency)-2) << 24) |
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode;
/* NOR/SRAM Bank timing register for write configuration, if extended mode is used */
if(FMC_NORSRAMInitStruct->FMC_ExtendedMode == FMC_ExtendedMode_Enable)
{
assert_param(IS_FMC_ADDRESS_SETUP_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime));
assert_param(IS_FMC_ADDRESS_HOLD_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime));
assert_param(IS_FMC_DATASETUP_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime));
assert_param(IS_FMC_CLK_DIV(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision));
assert_param(IS_FMC_DATA_LATENCY(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency));
assert_param(IS_FMC_ACCESS_MODE(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode));
FMC_Bank1E->BWTR[FMC_NORSRAMInitStruct->FMC_Bank] =
(uint32_t)FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime |
(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime << 4 )|
(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime << 8) |
(((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision)-1) << 20) |
(((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency)-2) << 24) |
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode;
}
else
{
FMC_Bank1E->BWTR[FMC_NORSRAMInitStruct->FMC_Bank] = 0x0FFFFFFF;
}
}
/**
* @brief Fills each FMC_NORSRAMInitStruct member with its default value.
* @param FMC_NORSRAMInitStruct: pointer to a FMC_NORSRAMInitTypeDef structure
* which will be initialized.
* @retval None
*/
void FMC_NORSRAMStructInit(FMC_NORSRAMInitTypeDef* FMC_NORSRAMInitStruct)
{
/* Reset NOR/SRAM Init structure parameters values */
FMC_NORSRAMInitStruct->FMC_Bank = FMC_Bank1_NORSRAM1;
FMC_NORSRAMInitStruct->FMC_DataAddressMux = FMC_DataAddressMux_Enable;
FMC_NORSRAMInitStruct->FMC_MemoryType = FMC_MemoryType_SRAM;
FMC_NORSRAMInitStruct->FMC_MemoryDataWidth = FMC_NORSRAM_MemoryDataWidth_16b;
FMC_NORSRAMInitStruct->FMC_BurstAccessMode = FMC_BurstAccessMode_Disable;
FMC_NORSRAMInitStruct->FMC_AsynchronousWait = FMC_AsynchronousWait_Disable;
FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity = FMC_WaitSignalPolarity_Low;
FMC_NORSRAMInitStruct->FMC_WrapMode = FMC_WrapMode_Disable;
FMC_NORSRAMInitStruct->FMC_WaitSignalActive = FMC_WaitSignalActive_BeforeWaitState;
FMC_NORSRAMInitStruct->FMC_WriteOperation = FMC_WriteOperation_Enable;
FMC_NORSRAMInitStruct->FMC_WaitSignal = FMC_WaitSignal_Enable;
FMC_NORSRAMInitStruct->FMC_ExtendedMode = FMC_ExtendedMode_Disable;
FMC_NORSRAMInitStruct->FMC_WriteBurst = FMC_WriteBurst_Disable;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime = 15;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime = 15;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime = 255;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration = 15;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision = 15;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency = 15;
FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode = FMC_AccessMode_A;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime = 15;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime = 15;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime = 255;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_BusTurnAroundDuration = 15;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision = 16;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency = 17;
FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode = FMC_AccessMode_A;
}
/**
* @brief Enables or disables the specified NOR/SRAM Memory Bank.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank1_NORSRAM1: FMC Bank1 NOR/SRAM1
* @arg FMC_Bank1_NORSRAM2: FMC Bank1 NOR/SRAM2
* @arg FMC_Bank1_NORSRAM3: FMC Bank1 NOR/SRAM3
* @arg FMC_Bank1_NORSRAM4: FMC Bank1 NOR/SRAM4
* @param NewState: new state of the FMC_Bank. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void FMC_NORSRAMCmd(uint32_t FMC_Bank, FunctionalState NewState)
{
assert_param(IS_FMC_NORSRAM_BANK(FMC_Bank));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected NOR/SRAM Bank by setting the PBKEN bit in the BCRx register */
FMC_Bank1->BTCR[FMC_Bank] |= BCR_MBKEN_SET;
}
else
{
/* Disable the selected NOR/SRAM Bank by clearing the PBKEN bit in the BCRx register */
FMC_Bank1->BTCR[FMC_Bank] &= BCR_MBKEN_RESET;
}
}
/**
* @}
*/
/** @defgroup FMC_Group2 NAND Controller functions
* @brief NAND Controller functions
*
@verbatim
===============================================================================
##### NAND Controller functions #####
===============================================================================
[..] The following sequence should be followed to configure the FMC to interface
with 8-bit or 16-bit NAND memory connected to the NAND Bank:
(#) Enable the clock for the FMC and associated GPIOs using the following functions:
(++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE);
(++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE);
(#) FMC pins configuration
(++) Connect the involved FMC pins to AF12 using the following function
GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC);
(++) Configure these FMC pins in alternate function mode by calling the function
GPIO_Init();
(#) Declare a FMC_NANDInitTypeDef structure, for example:
FMC_NANDInitTypeDef FMC_NANDInitStructure;
and fill the FMC_NANDInitStructure variable with the allowed values of
the structure member.
(#) Initialize the NAND Controller by calling the function
FMC_NANDInit(&FMC_NANDInitStructure);
(#) Then enable the NAND Bank, for example:
FMC_NANDCmd(FMC_Bank3_NAND, ENABLE);
(#) At this stage you can read/write from/to the memory connected to the NAND Bank.
[..]
(@) To enable the Error Correction Code (ECC), you have to use the function
FMC_NANDECCCmd(FMC_Bank3_NAND, ENABLE);
[..]
(@) and to get the current ECC value you have to use the function
ECCval = FMC_GetECC(FMC_Bank3_NAND);
@endverbatim
* @{
*/
/**
* @brief De-initializes the FMC NAND Banks registers to their default reset values.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @retval None
*/
void FMC_NANDDeInit(uint32_t FMC_Bank)
{
/* Check the parameter */
assert_param(IS_FMC_NAND_BANK(FMC_Bank));
if(FMC_Bank == FMC_Bank2_NAND)
{
/* Set the FMC_Bank2 registers to their reset values */
FMC_Bank2->PCR2 = 0x00000018;
FMC_Bank2->SR2 = 0x00000040;
FMC_Bank2->PMEM2 = 0xFCFCFCFC;
FMC_Bank2->PATT2 = 0xFCFCFCFC;
}
/* FMC_Bank3_NAND */
else
{
/* Set the FMC_Bank3 registers to their reset values */
FMC_Bank3->PCR3 = 0x00000018;
FMC_Bank3->SR3 = 0x00000040;
FMC_Bank3->PMEM3 = 0xFCFCFCFC;
FMC_Bank3->PATT3 = 0xFCFCFCFC;
}
}
/**
* @brief Initializes the FMC NAND Banks according to the specified parameters
* in the FMC_NANDInitStruct.
* @param FMC_NANDInitStruct : pointer to a FMC_NANDInitTypeDef structure that
* contains the configuration information for the FMC NAND specified Banks.
* @retval None
*/
void FMC_NANDInit(FMC_NANDInitTypeDef* FMC_NANDInitStruct)
{
uint32_t tmppcr = 0x00000000, tmppmem = 0x00000000, tmppatt = 0x00000000;
/* Check the parameters */
assert_param(IS_FMC_NAND_BANK(FMC_NANDInitStruct->FMC_Bank));
assert_param(IS_FMC_WAIT_FEATURE(FMC_NANDInitStruct->FMC_Waitfeature));
assert_param(IS_FMC_NAND_MEMORY_WIDTH(FMC_NANDInitStruct->FMC_MemoryDataWidth));
assert_param(IS_FMC_ECC_STATE(FMC_NANDInitStruct->FMC_ECC));
assert_param(IS_FMC_ECCPAGE_SIZE(FMC_NANDInitStruct->FMC_ECCPageSize));
assert_param(IS_FMC_TCLR_TIME(FMC_NANDInitStruct->FMC_TCLRSetupTime));
assert_param(IS_FMC_TAR_TIME(FMC_NANDInitStruct->FMC_TARSetupTime));
assert_param(IS_FMC_SETUP_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime));
assert_param(IS_FMC_WAIT_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime));
assert_param(IS_FMC_HOLD_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime));
assert_param(IS_FMC_HIZ_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime));
assert_param(IS_FMC_SETUP_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime));
assert_param(IS_FMC_WAIT_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime));
assert_param(IS_FMC_HOLD_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime));
assert_param(IS_FMC_HIZ_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime));
/* Set the tmppcr value according to FMC_NANDInitStruct parameters */
tmppcr = (uint32_t)FMC_NANDInitStruct->FMC_Waitfeature |
PCR_MEMORYTYPE_NAND |
FMC_NANDInitStruct->FMC_MemoryDataWidth |
FMC_NANDInitStruct->FMC_ECC |
FMC_NANDInitStruct->FMC_ECCPageSize |
(FMC_NANDInitStruct->FMC_TCLRSetupTime << 9 )|
(FMC_NANDInitStruct->FMC_TARSetupTime << 13);
/* Set tmppmem value according to FMC_CommonSpaceTimingStructure parameters */
tmppmem = (uint32_t)FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime |
(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime << 8) |
(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime << 16)|
(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime << 24);
/* Set tmppatt value according to FMC_AttributeSpaceTimingStructure parameters */
tmppatt = (uint32_t)FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime |
(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime << 8) |
(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime << 16)|
(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime << 24);
if(FMC_NANDInitStruct->FMC_Bank == FMC_Bank2_NAND)
{
/* FMC_Bank2_NAND registers configuration */
FMC_Bank2->PCR2 = tmppcr;
FMC_Bank2->PMEM2 = tmppmem;
FMC_Bank2->PATT2 = tmppatt;
}
else
{
/* FMC_Bank3_NAND registers configuration */
FMC_Bank3->PCR3 = tmppcr;
FMC_Bank3->PMEM3 = tmppmem;
FMC_Bank3->PATT3 = tmppatt;
}
}
/**
* @brief Fills each FMC_NANDInitStruct member with its default value.
* @param FMC_NANDInitStruct: pointer to a FMC_NANDInitTypeDef structure which
* will be initialized.
* @retval None
*/
void FMC_NANDStructInit(FMC_NANDInitTypeDef* FMC_NANDInitStruct)
{
/* Reset NAND Init structure parameters values */
FMC_NANDInitStruct->FMC_Bank = FMC_Bank2_NAND;
FMC_NANDInitStruct->FMC_Waitfeature = FMC_Waitfeature_Disable;
FMC_NANDInitStruct->FMC_MemoryDataWidth = FMC_NAND_MemoryDataWidth_16b;
FMC_NANDInitStruct->FMC_ECC = FMC_ECC_Disable;
FMC_NANDInitStruct->FMC_ECCPageSize = FMC_ECCPageSize_256Bytes;
FMC_NANDInitStruct->FMC_TCLRSetupTime = 0x0;
FMC_NANDInitStruct->FMC_TARSetupTime = 0x0;
FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime = 252;
FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime = 252;
FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime = 252;
FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime = 252;
FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime = 252;
FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime = 252;
FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime = 252;
FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime = 252;
}
/**
* @brief Enables or disables the specified NAND Memory Bank.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @param NewState: new state of the FMC_Bank. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void FMC_NANDCmd(uint32_t FMC_Bank, FunctionalState NewState)
{
assert_param(IS_FMC_NAND_BANK(FMC_Bank));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected NAND Bank by setting the PBKEN bit in the PCRx register */
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->PCR2 |= PCR_PBKEN_SET;
}
else
{
FMC_Bank3->PCR3 |= PCR_PBKEN_SET;
}
}
else
{
/* Disable the selected NAND Bank by clearing the PBKEN bit in the PCRx register */
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->PCR2 &= PCR_PBKEN_RESET;
}
else
{
FMC_Bank3->PCR3 &= PCR_PBKEN_RESET;
}
}
}
/**
* @brief Enables or disables the FMC NAND ECC feature.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @param NewState: new state of the FMC NAND ECC feature.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void FMC_NANDECCCmd(uint32_t FMC_Bank, FunctionalState NewState)
{
assert_param(IS_FMC_NAND_BANK(FMC_Bank));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected NAND Bank ECC function by setting the ECCEN bit in the PCRx register */
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->PCR2 |= PCR_ECCEN_SET;
}
else
{
FMC_Bank3->PCR3 |= PCR_ECCEN_SET;
}
}
else
{
/* Disable the selected NAND Bank ECC function by clearing the ECCEN bit in the PCRx register */
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->PCR2 &= PCR_ECCEN_RESET;
}
else
{
FMC_Bank3->PCR3 &= PCR_ECCEN_RESET;
}
}
}
/**
* @brief Returns the error correction code register value.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @retval The Error Correction Code (ECC) value.
*/
uint32_t FMC_GetECC(uint32_t FMC_Bank)
{
uint32_t eccval = 0x00000000;
if(FMC_Bank == FMC_Bank2_NAND)
{
/* Get the ECCR2 register value */
eccval = FMC_Bank2->ECCR2;
}
else
{
/* Get the ECCR3 register value */
eccval = FMC_Bank3->ECCR3;
}
/* Return the error correction code value */
return(eccval);
}
/**
* @}
*/
/** @defgroup FMC_Group3 PCCARD Controller functions
* @brief PCCARD Controller functions
*
@verbatim
===============================================================================
##### PCCARD Controller functions #####
===============================================================================
[..] he following sequence should be followed to configure the FMC to interface
with 16-bit PC Card compatible memory connected to the PCCARD Bank:
(#) Enable the clock for the FMC and associated GPIOs using the following functions:
(++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE);
(++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE);
(#) FMC pins configuration
(++) Connect the involved FMC pins to AF12 using the following function
GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC);
(++) Configure these FMC pins in alternate function mode by calling the function
GPIO_Init();
(#) Declare a FMC_PCCARDInitTypeDef structure, for example:
FMC_PCCARDInitTypeDef FMC_PCCARDInitStructure;
and fill the FMC_PCCARDInitStructure variable with the allowed values of
the structure member.
(#) Initialize the PCCARD Controller by calling the function
FMC_PCCARDInit(&FMC_PCCARDInitStructure);
(#) Then enable the PCCARD Bank:
FMC_PCCARDCmd(ENABLE);
(#) At this stage you can read/write from/to the memory connected to the PCCARD Bank.
@endverbatim
* @{
*/
/**
* @brief De-initializes the FMC PCCARD Bank registers to their default reset values.
* @param None
* @retval None
*/
void FMC_PCCARDDeInit(void)
{
/* Set the FMC_Bank4 registers to their reset values */
FMC_Bank4->PCR4 = 0x00000018;
FMC_Bank4->SR4 = 0x00000000;
FMC_Bank4->PMEM4 = 0xFCFCFCFC;
FMC_Bank4->PATT4 = 0xFCFCFCFC;
FMC_Bank4->PIO4 = 0xFCFCFCFC;
}
/**
* @brief Initializes the FMC PCCARD Bank according to the specified parameters
* in the FMC_PCCARDInitStruct.
* @param FMC_PCCARDInitStruct : pointer to a FMC_PCCARDInitTypeDef structure
* that contains the configuration information for the FMC PCCARD Bank.
* @retval None
*/
void FMC_PCCARDInit(FMC_PCCARDInitTypeDef* FMC_PCCARDInitStruct)
{
/* Check the parameters */
assert_param(IS_FMC_WAIT_FEATURE(FMC_PCCARDInitStruct->FMC_Waitfeature));
assert_param(IS_FMC_TCLR_TIME(FMC_PCCARDInitStruct->FMC_TCLRSetupTime));
assert_param(IS_FMC_TAR_TIME(FMC_PCCARDInitStruct->FMC_TARSetupTime));
assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime));
assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime));
assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime));
assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime));
assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime));
assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime));
assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime));
assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime));
assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime));
assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime));
assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime));
assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime));
/* Set the PCR4 register value according to FMC_PCCARDInitStruct parameters */
FMC_Bank4->PCR4 = (uint32_t)FMC_PCCARDInitStruct->FMC_Waitfeature |
FMC_NAND_MemoryDataWidth_16b |
(FMC_PCCARDInitStruct->FMC_TCLRSetupTime << 9) |
(FMC_PCCARDInitStruct->FMC_TARSetupTime << 13);
/* Set PMEM4 register value according to FMC_CommonSpaceTimingStructure parameters */
FMC_Bank4->PMEM4 = (uint32_t)FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime |
(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime << 8) |
(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime << 16)|
(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime << 24);
/* Set PATT4 register value according to FMC_AttributeSpaceTimingStructure parameters */
FMC_Bank4->PATT4 = (uint32_t)FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime |
(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime << 8) |
(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime << 16)|
(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime << 24);
/* Set PIO4 register value according to FMC_IOSpaceTimingStructure parameters */
FMC_Bank4->PIO4 = (uint32_t)FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime |
(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime << 8) |
(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime << 16)|
(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime << 24);
}
/**
* @brief Fills each FMC_PCCARDInitStruct member with its default value.
* @param FMC_PCCARDInitStruct: pointer to a FMC_PCCARDInitTypeDef structure
* which will be initialized.
* @retval None
*/
void FMC_PCCARDStructInit(FMC_PCCARDInitTypeDef* FMC_PCCARDInitStruct)
{
/* Reset PCCARD Init structure parameters values */
FMC_PCCARDInitStruct->FMC_Waitfeature = FMC_Waitfeature_Disable;
FMC_PCCARDInitStruct->FMC_TCLRSetupTime = 0;
FMC_PCCARDInitStruct->FMC_TARSetupTime = 0;
FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime = 252;
FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime = 252;
FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime = 252;
FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime = 252;
FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime = 252;
FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime = 252;
FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime = 252;
FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime = 252;
FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime = 252;
FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime = 252;
FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime = 252;
FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime = 252;
}
/**
* @brief Enables or disables the PCCARD Memory Bank.
* @param NewState: new state of the PCCARD Memory Bank.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void FMC_PCCARDCmd(FunctionalState NewState)
{
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the PCCARD Bank by setting the PBKEN bit in the PCR4 register */
FMC_Bank4->PCR4 |= PCR_PBKEN_SET;
}
else
{
/* Disable the PCCARD Bank by clearing the PBKEN bit in the PCR4 register */
FMC_Bank4->PCR4 &= PCR_PBKEN_RESET;
}
}
/**
* @}
*/
/** @defgroup FMC_Group4 Interrupts and flags management functions
* @brief Interrupts and flags management functions
*
@verbatim
===============================================================================
##### Interrupts and flags management functions #####
===============================================================================
@endverbatim
* @{
*/
/**
* @brief Enables or disables the specified FMC interrupts.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD
* @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM
* @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM
* @param FMC_IT: specifies the FMC interrupt sources to be enabled or disabled.
* This parameter can be any combination of the following values:
* @arg FMC_IT_RisingEdge: Rising edge detection interrupt.
* @arg FMC_IT_Level: Level edge detection interrupt.
* @arg FMC_IT_FallingEdge: Falling edge detection interrupt.
* @param NewState: new state of the specified FMC interrupts.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void FMC_ITConfig(uint32_t FMC_Bank, uint32_t FMC_IT, FunctionalState NewState)
{
assert_param(IS_FMC_IT_BANK(FMC_Bank));
assert_param(IS_FMC_IT(FMC_IT));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected FMC_Bank2 interrupts */
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->SR2 |= FMC_IT;
}
/* Enable the selected FMC_Bank3 interrupts */
else if (FMC_Bank == FMC_Bank3_NAND)
{
FMC_Bank3->SR3 |= FMC_IT;
}
/* Enable the selected FMC_Bank4 interrupts */
else
{
FMC_Bank4->SR4 |= FMC_IT;
}
}
else
{
/* Disable the selected FMC_Bank2 interrupts */
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->SR2 &= (uint32_t)~FMC_IT;
}
/* Disable the selected FMC_Bank3 interrupts */
else if (FMC_Bank == FMC_Bank3_NAND)
{
FMC_Bank3->SR3 &= (uint32_t)~FMC_IT;
}
/* Disable the selected FMC_Bank4 interrupts */
else
{
FMC_Bank4->SR4 &= (uint32_t)~FMC_IT;
}
}
}
/**
* @brief Checks whether the specified FMC flag is set or not.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD
* @param FMC_FLAG: specifies the flag to check.
* This parameter can be one of the following values:
* @arg FMC_FLAG_RisingEdge: Rising edge detection Flag.
* @arg FMC_FLAG_Level: Level detection Flag.
* @arg FMC_FLAG_FallingEdge: Falling edge detection Flag.
* @arg FMC_FLAG_FEMPT: Fifo empty Flag.
* @retval The new state of FMC_FLAG (SET or RESET).
*/
FlagStatus FMC_GetFlagStatus(uint32_t FMC_Bank, uint32_t FMC_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpsr = 0x00000000;
/* Check the parameters */
assert_param(IS_FMC_GETFLAG_BANK(FMC_Bank));
assert_param(IS_FMC_GET_FLAG(FMC_FLAG));
if(FMC_Bank == FMC_Bank2_NAND)
{
tmpsr = FMC_Bank2->SR2;
}
else if(FMC_Bank == FMC_Bank3_NAND)
{
tmpsr = FMC_Bank3->SR3;
}
else
{
tmpsr = FMC_Bank4->SR4;
}
/* Get the flag status */
if ((tmpsr & FMC_FLAG) != FMC_FLAG )
{
bitstatus = RESET;
}
else
{
bitstatus = SET;
}
/* Return the flag status */
return bitstatus;
}
/**
* @brief Clears the FMC's pending flags.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD
* @param FMC_FLAG: specifies the flag to clear.
* This parameter can be any combination of the following values:
* @arg FMC_FLAG_RisingEdge: Rising edge detection Flag.
* @arg FMC_FLAG_Level: Level detection Flag.
* @arg FMC_FLAG_FallingEdge: Falling edge detection Flag.
* @retval None
*/
void FMC_ClearFlag(uint32_t FMC_Bank, uint32_t FMC_FLAG)
{
/* Check the parameters */
assert_param(IS_FMC_GETFLAG_BANK(FMC_Bank));
assert_param(IS_FMC_CLEAR_FLAG(FMC_FLAG)) ;
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->SR2 &= (~FMC_FLAG);
}
else if(FMC_Bank == FMC_Bank3_NAND)
{
FMC_Bank3->SR3 &= (~FMC_FLAG);
}
/* FMC_Bank4 PCCARD */
else
{
FMC_Bank4->SR4 &= (~FMC_FLAG);
}
}
/**
* @brief Checks whether the specified FMC interrupt has occurred or not.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD
* @param FMC_IT: specifies the FMC interrupt source to check.
* This parameter can be one of the following values:
* @arg FMC_IT_RisingEdge: Rising edge detection interrupt.
* @arg FMC_IT_Level: Level edge detection interrupt.
* @arg FMC_IT_FallingEdge: Falling edge detection interrupt.
* @retval The new state of FMC_IT (SET or RESET).
*/
ITStatus FMC_GetITStatus(uint32_t FMC_Bank, uint32_t FMC_IT)
{
ITStatus bitstatus = RESET;
uint32_t tmpsr = 0;
uint32_t itstatus = 0;
uint32_t itenable = 0;
/* Check the parameters */
assert_param(IS_FMC_IT_BANK(FMC_Bank));
assert_param(IS_FMC_GET_IT(FMC_IT));
if(FMC_Bank == FMC_Bank2_NAND)
{
tmpsr = FMC_Bank2->SR2;
}
else if(FMC_Bank == FMC_Bank3_NAND)
{
tmpsr = FMC_Bank3->SR3;
}
/* FMC_Bank4 PCCARD */
else
{
tmpsr = FMC_Bank4->SR4;
}
/* get the IT enable bit status*/
itenable = tmpsr & FMC_IT;
/* get the corresponding IT Flag status*/
itstatus = tmpsr & (FMC_IT >> 3);
if ((itstatus != (uint32_t)RESET) && (itenable != (uint32_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/**
* @brief Clears the FMC's interrupt pending bits.
* @param FMC_Bank: specifies the FMC Bank to be used
* This parameter can be one of the following values:
* @arg FMC_Bank2_NAND: FMC Bank2 NAND
* @arg FMC_Bank3_NAND: FMC Bank3 NAND
* @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD
* @param FMC_IT: specifies the interrupt pending bit to clear.
* This parameter can be any combination of the following values:
* @arg FMC_IT_RisingEdge: Rising edge detection interrupt.
* @arg FMC_IT_Level: Level edge detection interrupt.
* @arg FMC_IT_FallingEdge: Falling edge detection interrupt.
* @retval None
*/
void FMC_ClearITPendingBit(uint32_t FMC_Bank, uint32_t FMC_IT)
{
/* Check the parameters */
assert_param(IS_FMC_IT_BANK(FMC_Bank));
assert_param(IS_FMC_IT(FMC_IT));
if(FMC_Bank == FMC_Bank2_NAND)
{
FMC_Bank2->SR2 &= ~(FMC_IT >> 3);
}
else if(FMC_Bank == FMC_Bank3_NAND)
{
FMC_Bank3->SR3 &= ~(FMC_IT >> 3);
}
/* FMC_Bank4 PCCARD */
else
{
FMC_Bank4->SR4 &= ~(FMC_IT >> 3);
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/