diff options
author | inmarket <andrewh@inmarket.com.au> | 2014-11-05 19:32:47 +1000 |
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committer | inmarket <andrewh@inmarket.com.au> | 2014-11-05 19:32:47 +1000 |
commit | b6d183832e2301ae5bef577f27f97ae5d8e7ee7f (patch) | |
tree | 5b9625acebcfc1ff3185d1e7840b04a95a977b60 /boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c | |
parent | 804fcc7c6ab8f2e0932c65a0fc7a967337f431d6 (diff) | |
download | uGFX-b6d183832e2301ae5bef577f27f97ae5d8e7ee7f.tar.gz uGFX-b6d183832e2301ae5bef577f27f97ae5d8e7ee7f.tar.bz2 uGFX-b6d183832e2301ae5bef577f27f97ae5d8e7ee7f.zip |
STM32F429i-Discovery board is now a supported board with an example project.
New gdisp driver (currently non-accelerated)
Mouse and other drivers still to come.
The board file is currently ChibiOS specific however the gdisp driver is suitable for any OS.
Diffstat (limited to 'boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c')
-rw-r--r-- | boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c | 1376 |
1 files changed, 1376 insertions, 0 deletions
diff --git a/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c b/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c new file mode 100644 index 00000000..10e73262 --- /dev/null +++ b/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c @@ -0,0 +1,1376 @@ +/** + ****************************************************************************** + * @file stm32f4xx_fmc.c + * @author MCD Application Team + * @version V1.2.1 + * @date 19-September-2013 + * @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 + * + Interface with SDRAM memories + * + Interrupts and flags management + * + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2013 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 "stm32f4xx_fmc.h" +#include "ch.h" +//#include "stm32f4xx_rcc.h" + +#define assert_param(expr) chDbgAssert(expr,"STPeriph FMC","") + +/** @addtogroup STM32F4xx_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) + +/* FMC SDCRx write protection Mask*/ +#define SDCR_WriteProtection_RESET ((uint32_t)0x00007DFF) + +/* FMC SDCMR Mask*/ +#define SDCMR_CTB1_RESET ((uint32_t)0x003FFFEF) +#define SDCMR_CTB2_RESET ((uint32_t)0x003FFFF7) +#define SDCMR_CTB1_2_RESET ((uint32_t)0x003FFFE7) + +/* 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) +{ + uint32_t tmpr = 0; + + /* 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_CONTINOUS_CLOCK(FMC_NORSRAMInitStruct->FMC_ContinousClock)); + 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 | + FMC_NORSRAMInitStruct->FMC_ContinousClock; + + + if(FMC_NORSRAMInitStruct->FMC_MemoryType == FMC_MemoryType_NOR) + { + FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] |= (uint32_t)BCR_FACCEN_SET; + } + + /* Configure Continuous clock feature when bank2..4 is used */ + if((FMC_NORSRAMInitStruct->FMC_ContinousClock == FMC_CClock_SyncAsync) && (FMC_NORSRAMInitStruct->FMC_Bank != FMC_Bank1_NORSRAM1)) + { + tmpr = (uint32_t)((FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1+1]) & ~(((uint32_t)0x0F) << 20)); + + FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1] |= FMC_NORSRAMInitStruct->FMC_ContinousClock; + FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1] |= FMC_BurstAccessMode_Enable; + FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1+1] = (uint32_t)(tmpr | (((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision)-1) << 20)); + } + + /* 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) << 20) | + ((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency) << 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) << 20) | + ((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency) << 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_ContinousClock = FMC_CClock_SyncOnly; + + 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 = 15; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency = 15; + 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 SDRAM Controller functions + * @brief SDRAM Controller functions + * +@verbatim + =============================================================================== + ##### SDRAM Controller functions ##### + =============================================================================== + + [..] The following sequence should be followed to configure the FMC to interface + with SDRAM memory connected to the SDRAM Bank 1 or SDRAM bank 2: + + (#) 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_SDRAMInitTypeDef structure, for example: + FMC_SDRAMInitTypeDef FMC_SDRAMInitStructure; + and fill the FMC_SDRAMInitStructure variable with the allowed values of + the structure member. + + (#) Initialize the SDRAM Controller by calling the function + FMC_SDRAMInit(&FMC_SDRAMInitStructure); + + (#) Declare a FMC_SDRAMCommandTypeDef structure, for example: + FMC_SDRAMCommandTypeDef FMC_SDRAMCommandStructure; + and fill the FMC_SDRAMCommandStructure variable with the allowed values of + the structure member. + + (#) Configure the SDCMR register with the desired command parameters by calling + the function FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure); + + (#) At this stage, the SDRAM memory is ready for any valid command. + +@endverbatim + * @{ + */ + +/** + * @brief De-initializes the FMC SDRAM 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_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @retval None + */ +void FMC_SDRAMDeInit(uint32_t FMC_Bank) +{ + /* Check the parameter */ + assert_param(IS_FMC_SDRAM_BANK(FMC_Bank)); + + FMC_Bank5_6->SDCR[FMC_Bank] = 0x000002D0; + FMC_Bank5_6->SDTR[FMC_Bank] = 0x0FFFFFFF; + FMC_Bank5_6->SDCMR = 0x00000000; + FMC_Bank5_6->SDRTR = 0x00000000; + FMC_Bank5_6->SDSR = 0x00000000; +} + +/** + * @brief Initializes the FMC SDRAM Banks according to the specified + * parameters in the FMC_SDRAMInitStruct. + * @param FMC_SDRAMInitStruct : pointer to a FMC_SDRAMInitTypeDef structure + * that contains the configuration information for the FMC SDRAM + * specified Banks. + * @retval None + */ +void FMC_SDRAMInit(FMC_SDRAMInitTypeDef* FMC_SDRAMInitStruct) +{ + /* temporary registers */ + uint32_t tmpr1 = 0; + uint32_t tmpr2 = 0; + uint32_t tmpr3 = 0; + uint32_t tmpr4 = 0; + + /* Check the parameters */ + + /* Control parameters */ + assert_param(IS_FMC_SDRAM_BANK(FMC_SDRAMInitStruct->FMC_Bank)); + assert_param(IS_FMC_COLUMNBITS_NUMBER(FMC_SDRAMInitStruct->FMC_ColumnBitsNumber)); + assert_param(IS_FMC_ROWBITS_NUMBER(FMC_SDRAMInitStruct->FMC_RowBitsNumber)); + assert_param(IS_FMC_SDMEMORY_WIDTH(FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth)); + assert_param(IS_FMC_INTERNALBANK_NUMBER(FMC_SDRAMInitStruct->FMC_InternalBankNumber)); + assert_param(IS_FMC_CAS_LATENCY(FMC_SDRAMInitStruct->FMC_CASLatency)); + assert_param(IS_FMC_WRITE_PROTECTION(FMC_SDRAMInitStruct->FMC_WriteProtection)); + assert_param(IS_FMC_SDCLOCK_PERIOD(FMC_SDRAMInitStruct->FMC_SDClockPeriod)); + assert_param(IS_FMC_READ_BURST(FMC_SDRAMInitStruct->FMC_ReadBurst)); + assert_param(IS_FMC_READPIPE_DELAY(FMC_SDRAMInitStruct->FMC_ReadPipeDelay)); + + /* Timing parameters */ + assert_param(IS_FMC_LOADTOACTIVE_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)); + assert_param(IS_FMC_EXITSELFREFRESH_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)); + assert_param(IS_FMC_SELFREFRESH_TIME(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)); + assert_param(IS_FMC_ROWCYCLE_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)); + assert_param(IS_FMC_WRITE_RECOVERY_TIME(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)); + assert_param(IS_FMC_RP_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)); + assert_param(IS_FMC_RCD_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay)); + + /* SDRAM bank control register configuration */ + tmpr1 = (uint32_t)FMC_SDRAMInitStruct->FMC_ColumnBitsNumber | + FMC_SDRAMInitStruct->FMC_RowBitsNumber | + FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth | + FMC_SDRAMInitStruct->FMC_InternalBankNumber | + FMC_SDRAMInitStruct->FMC_CASLatency | + FMC_SDRAMInitStruct->FMC_WriteProtection | + FMC_SDRAMInitStruct->FMC_SDClockPeriod | + FMC_SDRAMInitStruct->FMC_ReadBurst | + FMC_SDRAMInitStruct->FMC_ReadPipeDelay; + + if(FMC_SDRAMInitStruct->FMC_Bank == FMC_Bank1_SDRAM ) + { + FMC_Bank5_6->SDCR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr1; + } + else /* SDCR2 "don't care" bits configuration */ + { + tmpr3 = (uint32_t)FMC_SDRAMInitStruct->FMC_SDClockPeriod | + FMC_SDRAMInitStruct->FMC_ReadBurst | + FMC_SDRAMInitStruct->FMC_ReadPipeDelay; + + FMC_Bank5_6->SDCR[FMC_Bank1_SDRAM] = tmpr3; + FMC_Bank5_6->SDCR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr1; + } + /* SDRAM bank timing register configuration */ + if(FMC_SDRAMInitStruct->FMC_Bank == FMC_Bank1_SDRAM ) + { + tmpr2 = (uint32_t)((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)-1) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)-1) << 4) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)-1) << 8) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)-1) << 12) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)-1) << 16) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)-1) << 20) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay)-1) << 24); + + FMC_Bank5_6->SDTR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr2; + } + else /* SDTR "don't care bits configuration */ + { + tmpr2 = (uint32_t)((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)-1) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)-1) << 4) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)-1) << 8) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)-1) << 16); + + tmpr4 = (uint32_t)(((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)-1) << 12) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)-1) << 20); + + FMC_Bank5_6->SDTR[FMC_Bank1_SDRAM] = tmpr4; + FMC_Bank5_6->SDTR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr2; + } + +} + +/** + * @brief Fills each FMC_SDRAMInitStruct member with its default value. + * @param FMC_SDRAMInitStruct: pointer to a FMC_SDRAMInitTypeDef structure + * which will be initialized. + * @retval None + */ +void FMC_SDRAMStructInit(FMC_SDRAMInitTypeDef* FMC_SDRAMInitStruct) +{ + /* Reset SDRAM Init structure parameters values */ + FMC_SDRAMInitStruct->FMC_Bank = FMC_Bank1_SDRAM; + FMC_SDRAMInitStruct->FMC_ColumnBitsNumber = FMC_ColumnBits_Number_8b; + FMC_SDRAMInitStruct->FMC_RowBitsNumber = FMC_RowBits_Number_11b; + FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth = FMC_SDMemory_Width_16b; + FMC_SDRAMInitStruct->FMC_InternalBankNumber = FMC_InternalBank_Number_4; + FMC_SDRAMInitStruct->FMC_CASLatency = FMC_CAS_Latency_1; + FMC_SDRAMInitStruct->FMC_WriteProtection = FMC_Write_Protection_Enable; + FMC_SDRAMInitStruct->FMC_SDClockPeriod = FMC_SDClock_Disable; + FMC_SDRAMInitStruct->FMC_ReadBurst = FMC_Read_Burst_Disable; + FMC_SDRAMInitStruct->FMC_ReadPipeDelay = FMC_ReadPipe_Delay_0; + + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay = 16; + +} + +/** + * @brief Configures the SDRAM memory command issued when the device is accessed. + * @param FMC_SDRAMCommandStruct: pointer to a FMC_SDRAMCommandTypeDef structure + * which will be configured. + * @retval None + */ +void FMC_SDRAMCmdConfig(FMC_SDRAMCommandTypeDef* FMC_SDRAMCommandStruct) +{ + uint32_t tmpr = 0x0; + + /* check parameters */ + assert_param(IS_FMC_COMMAND_MODE(FMC_SDRAMCommandStruct->FMC_CommandMode)); + assert_param(IS_FMC_COMMAND_TARGET(FMC_SDRAMCommandStruct->FMC_CommandTarget)); + assert_param(IS_FMC_AUTOREFRESH_NUMBER(FMC_SDRAMCommandStruct->FMC_AutoRefreshNumber)); + assert_param(IS_FMC_MODE_REGISTER(FMC_SDRAMCommandStruct->FMC_ModeRegisterDefinition)); + + tmpr = (uint32_t)(FMC_SDRAMCommandStruct->FMC_CommandMode | + FMC_SDRAMCommandStruct->FMC_CommandTarget | + (((FMC_SDRAMCommandStruct->FMC_AutoRefreshNumber)-1)<<5) | + ((FMC_SDRAMCommandStruct->FMC_ModeRegisterDefinition)<<9)); + + FMC_Bank5_6->SDCMR = tmpr; + +} + + +/** + * @brief Returns the indicated FMC SDRAM bank mode status. + * @param SDRAM_Bank: Defines the FMC SDRAM bank. This parameter can be + * FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. + * @retval The FMC SDRAM bank mode status + */ +uint32_t FMC_GetModeStatus(uint32_t SDRAM_Bank) +{ + uint32_t tmpreg = 0; + + /* Check the parameter */ + assert_param(IS_FMC_SDRAM_BANK(SDRAM_Bank)); + + /* Get the busy flag status */ + if(SDRAM_Bank == FMC_Bank1_SDRAM) + { + tmpreg = (uint32_t)(FMC_Bank5_6->SDSR & FMC_SDSR_MODES1); + } + else + { + tmpreg = ((uint32_t)(FMC_Bank5_6->SDSR & FMC_SDSR_MODES2) >> 2); + } + + /* Return the mode status */ + return tmpreg; +} + +/** + * @brief defines the SDRAM Memory Refresh rate. + * @param FMC_Count: specifies the Refresh timer count. + * @retval None + */ +void FMC_SetRefreshCount(uint32_t FMC_Count) +{ + /* check the parameters */ + assert_param(IS_FMC_REFRESH_COUNT(FMC_Count)); + + FMC_Bank5_6->SDRTR |= (FMC_Count<<1); + +} + +/** + * @brief Sets the Number of consecutive SDRAM Memory auto Refresh commands. + * @param FMC_Number: specifies the auto Refresh number. + * @retval None + */ +void FMC_SetAutoRefresh_Number(uint32_t FMC_Number) +{ + /* check the parameters */ + assert_param(IS_FMC_AUTOREFRESH_NUMBER(FMC_Number)); + + FMC_Bank5_6->SDCMR |= (FMC_Number << 5); +} + +/** + * @brief Enables or disables write protection to the specified FMC SDRAM Bank. + * @param SDRAM_Bank: Defines the FMC SDRAM bank. This parameter can be + * FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. + * @param NewState: new state of the write protection flag. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_SDRAMWriteProtectionConfig(uint32_t SDRAM_Bank, FunctionalState NewState) +{ + /* Check the parameter */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + assert_param(IS_FMC_SDRAM_BANK(SDRAM_Bank)); + + if (NewState != DISABLE) + { + FMC_Bank5_6->SDCR[SDRAM_Bank] |= FMC_Write_Protection_Enable; + } + else + { + FMC_Bank5_6->SDCR[SDRAM_Bank] &= SDCR_WriteProtection_RESET; + } + +} + +/** + * @} + */ + +/** @defgroup FMC_Group5 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. + * @arg FMC_IT_Refresh: Refresh error 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 if (FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 |= FMC_IT; + } + /* Enable the selected FMC_Bank5_6 interrupt */ + else + { + /* Enables the interrupt if the refresh error flag is set */ + FMC_Bank5_6->SDRTR |= 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 if(FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 &= (uint32_t)~FMC_IT; + } + /* Disable the selected FMC_Bank5_6 interrupt */ + else + { + /* Disables the interrupt if the refresh error flag is not set */ + FMC_Bank5_6->SDRTR &= (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 + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @arg FMC_Bank1_SDRAM | FMC_Bank2_SDRAM: FMC Bank1 or Bank2 SDRAM + * @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. + * @arg FMC_FLAG_Refresh: Refresh error Flag. + * @arg FMC_FLAG_Busy: Busy status 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 if(FMC_Bank == FMC_Bank4_PCCARD) + { + tmpsr = FMC_Bank4->SR4; + } + else + { + tmpsr = FMC_Bank5_6->SDSR; + } + + /* 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 + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @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. + * @arg FMC_FLAG_Refresh: Refresh error 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); + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 &= (~FMC_FLAG); + } + /* FMC_Bank5_6 SDRAM*/ + else + { + FMC_Bank5_6->SDRTR &= (~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 + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @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. + * @arg FMC_IT_Refresh: Refresh error 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 = 0x0; + uint32_t tmpsr2 = 0x0; + uint32_t itstatus = 0x0; + uint32_t itenable = 0x0; + + /* 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; + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + tmpsr = FMC_Bank4->SR4; + } + /* FMC_Bank5_6 SDRAM*/ + else + { + tmpsr = FMC_Bank5_6->SDRTR; + tmpsr2 = FMC_Bank5_6->SDSR; + } + + /* get the IT enable bit status*/ + itenable = tmpsr & FMC_IT; + + /* get the corresponding IT Flag status*/ + if((FMC_Bank == FMC_Bank1_SDRAM) || (FMC_Bank == FMC_Bank2_SDRAM)) + { + itstatus = tmpsr2 & FMC_SDSR_RE; + } + else + { + 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 + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @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. + * @arg FMC_IT_Refresh: Refresh error 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); + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 &= ~(FMC_IT >> 3); + } + /* FMC_Bank5_6 SDRAM*/ + else + { + FMC_Bank5_6->SDRTR |= FMC_SDRTR_CRE; + } +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |