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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : FMC.c
* Description : This file provides code for the configuration
* of the FMC peripheral.
******************************************************************************
* @attention
*
* Copyright (c) 2026 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "fmc.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
SDRAM_HandleTypeDef hsdram1;
/* FMC initialization function */
void MX_FMC_Init(void)
{
/* USER CODE BEGIN FMC_Init 0 */
/* USER CODE END FMC_Init 0 */
FMC_SDRAM_TimingTypeDef SdramTiming = {0};
/* USER CODE BEGIN FMC_Init 1 */
/* USER CODE END FMC_Init 1 */
/** Perform the SDRAM1 memory initialization sequence
*/
hsdram1.Instance = FMC_SDRAM_DEVICE;
/* hsdram1.Init */
hsdram1.Init.SDBank = FMC_SDRAM_BANK1;
hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9;
hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_13;
hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_16;
hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_2;
hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_ENABLE;
hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
/* SdramTiming */
SdramTiming.LoadToActiveDelay = 16;
SdramTiming.ExitSelfRefreshDelay = 12;
SdramTiming.SelfRefreshTime = 16;
SdramTiming.RowCycleDelay = 10;
SdramTiming.WriteRecoveryTime = 16;
SdramTiming.RPDelay = 3;
SdramTiming.RCDDelay = 3;
if (HAL_SDRAM_Init(&hsdram1, &SdramTiming) != HAL_OK)
{
Error_Handler( );
}
/* USER CODE BEGIN FMC_Init 2 */
/* USER CODE END FMC_Init 2 */
}
static uint32_t FMC_Initialized = 0;
static void HAL_FMC_MspInit(void){
/* USER CODE BEGIN FMC_MspInit 0 */
/* USER CODE END FMC_MspInit 0 */
GPIO_InitTypeDef GPIO_InitStruct = {0};
if (FMC_Initialized) {
return;
}
FMC_Initialized = 1;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
/** Initializes the peripherals clock
*/
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_FMC;
PeriphClkInitStruct.FmcClockSelection = RCC_FMCCLKSOURCE_PLL;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
}
/* Peripheral clock enable */
__HAL_RCC_FMC_CLK_ENABLE();
/** FMC GPIO Configuration
PF0 ------> FMC_A0
PF1 ------> FMC_A1
PF2 ------> FMC_A2
PF3 ------> FMC_A3
PF4 ------> FMC_A4
PF5 ------> FMC_A5
PA7 ------> FMC_SDNWE
PC4 ------> FMC_SDNE0
PC5 ------> FMC_SDCKE0
PF11 ------> FMC_SDNRAS
PF12 ------> FMC_A6
PF13 ------> FMC_A7
PF14 ------> FMC_A8
PF15 ------> FMC_A9
PG0 ------> FMC_A10
PG1 ------> FMC_A11
PE7 ------> FMC_D4
PE8 ------> FMC_D5
PE9 ------> FMC_D6
PE10 ------> FMC_D7
PE11 ------> FMC_D8
PE12 ------> FMC_D9
PE13 ------> FMC_D10
PE14 ------> FMC_D11
PE15 ------> FMC_D12
PD8 ------> FMC_D13
PD9 ------> FMC_D14
PD10 ------> FMC_D15
PD14 ------> FMC_D0
PD15 ------> FMC_D1
PG2 ------> FMC_A12
PG4 ------> FMC_BA0
PG5 ------> FMC_BA1
PG8 ------> FMC_SDCLK
PD0 ------> FMC_D2
PD1 ------> FMC_D3
PG15 ------> FMC_SDNCAS
PE0 ------> FMC_NBL0
PE1 ------> FMC_NBL1
*/
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_11|GPIO_PIN_12
|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_4
|GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USER CODE BEGIN FMC_MspInit 1 */
/* USER CODE END FMC_MspInit 1 */
}
void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef* sdramHandle){
/* USER CODE BEGIN SDRAM_MspInit 0 */
/* USER CODE END SDRAM_MspInit 0 */
HAL_FMC_MspInit();
/* USER CODE BEGIN SDRAM_MspInit 1 */
/* USER CODE END SDRAM_MspInit 1 */
}
static uint32_t FMC_DeInitialized = 0;
static void HAL_FMC_MspDeInit(void){
/* USER CODE BEGIN FMC_MspDeInit 0 */
/* USER CODE END FMC_MspDeInit 0 */
if (FMC_DeInitialized) {
return;
}
FMC_DeInitialized = 1;
/* Peripheral clock enable */
__HAL_RCC_FMC_CLK_DISABLE();
/** FMC GPIO Configuration
PF0 ------> FMC_A0
PF1 ------> FMC_A1
PF2 ------> FMC_A2
PF3 ------> FMC_A3
PF4 ------> FMC_A4
PF5 ------> FMC_A5
PA7 ------> FMC_SDNWE
PC4 ------> FMC_SDNE0
PC5 ------> FMC_SDCKE0
PF11 ------> FMC_SDNRAS
PF12 ------> FMC_A6
PF13 ------> FMC_A7
PF14 ------> FMC_A8
PF15 ------> FMC_A9
PG0 ------> FMC_A10
PG1 ------> FMC_A11
PE7 ------> FMC_D4
PE8 ------> FMC_D5
PE9 ------> FMC_D6
PE10 ------> FMC_D7
PE11 ------> FMC_D8
PE12 ------> FMC_D9
PE13 ------> FMC_D10
PE14 ------> FMC_D11
PE15 ------> FMC_D12
PD8 ------> FMC_D13
PD9 ------> FMC_D14
PD10 ------> FMC_D15
PD14 ------> FMC_D0
PD15 ------> FMC_D1
PG2 ------> FMC_A12
PG4 ------> FMC_BA0
PG5 ------> FMC_BA1
PG8 ------> FMC_SDCLK
PD0 ------> FMC_D2
PD1 ------> FMC_D3
PG15 ------> FMC_SDNCAS
PE0 ------> FMC_NBL0
PE1 ------> FMC_NBL1
*/
HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_11|GPIO_PIN_12
|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_7);
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_4|GPIO_PIN_5);
HAL_GPIO_DeInit(GPIOG, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_4
|GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_15);
HAL_GPIO_DeInit(GPIOE, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1);
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1);
/* USER CODE BEGIN FMC_MspDeInit 1 */
/* USER CODE END FMC_MspDeInit 1 */
}
void HAL_SDRAM_MspDeInit(SDRAM_HandleTypeDef* sdramHandle){
/* USER CODE BEGIN SDRAM_MspDeInit 0 */
/* USER CODE END SDRAM_MspDeInit 0 */
HAL_FMC_MspDeInit();
/* USER CODE BEGIN SDRAM_MspDeInit 1 */
/* USER CODE END SDRAM_MspDeInit 1 */
}
/**
* @}
*/
/**
* @}
*/
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