/**
******************************************************************************
* File Name : FSMC.c
* Description : This file provides code for the configuration
* of the FSMC peripheral.
******************************************************************************
* @attention
*
*
© Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "fsmc.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
SRAM_HandleTypeDef hsram1;
/* FSMC initialization function */
void MX_FSMC_Init(void)
{
/* USER CODE BEGIN FSMC_Init 0 */
/* USER CODE END FSMC_Init 0 */
FSMC_NORSRAM_TimingTypeDef Timing = {0};
/* USER CODE BEGIN FSMC_Init 1 */
/* USER CODE END FSMC_Init 1 */
/** Perform the SRAM1 memory initialization sequence
*/
hsram1.Instance = FSMC_NORSRAM_DEVICE;
hsram1.Extended = FSMC_NORSRAM_EXTENDED_DEVICE;
/* hsram1.Init */
hsram1.Init.NSBank = FSMC_NORSRAM_BANK1;
hsram1.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_ENABLE;
hsram1.Init.MemoryType = FSMC_MEMORY_TYPE_PSRAM;
hsram1.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_8;
hsram1.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE;
hsram1.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
hsram1.Init.WrapMode = FSMC_WRAP_MODE_DISABLE;
hsram1.Init.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS;
hsram1.Init.WriteOperation = FSMC_WRITE_OPERATION_ENABLE;
hsram1.Init.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE;
hsram1.Init.ExtendedMode = FSMC_EXTENDED_MODE_DISABLE;
hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
/* Timing */
Timing.AddressSetupTime = 15;
Timing.AddressHoldTime = 15;
Timing.DataSetupTime = 255;
Timing.BusTurnAroundDuration = 15;
Timing.CLKDivision = 16;
Timing.DataLatency = 17;
Timing.AccessMode = FSMC_ACCESS_MODE_A;
/* ExtTiming */
if (HAL_SRAM_Init(&hsram1, &Timing, NULL) != HAL_OK)
{
Error_Handler( );
}
/** Disconnect NADV
*/
__HAL_AFIO_FSMCNADV_DISCONNECTED();
/* USER CODE BEGIN FSMC_Init 2 */
/* USER CODE END FSMC_Init 2 */
}
static uint32_t FSMC_Initialized = 0;
static void HAL_FSMC_MspInit(void){
/* USER CODE BEGIN FSMC_MspInit 0 */
/* USER CODE END FSMC_MspInit 0 */
GPIO_InitTypeDef GPIO_InitStruct = {0};
if (FSMC_Initialized) {
return;
}
FSMC_Initialized = 1;
/* Peripheral clock enable */
__HAL_RCC_FSMC_CLK_ENABLE();
/** FSMC GPIO Configuration
PE2 ------> FSMC_A23
PE3 ------> FSMC_A19
PE4 ------> FSMC_A20
PE5 ------> FSMC_A21
PE6 ------> FSMC_A22
PE7 ------> FSMC_DA4
PE8 ------> FSMC_DA5
PE9 ------> FSMC_DA6
PE10 ------> FSMC_DA7
PE11 ------> FSMC_DA8
PE12 ------> FSMC_DA9
PE13 ------> FSMC_DA10
PE14 ------> FSMC_DA11
PE15 ------> FSMC_DA12
PD8 ------> FSMC_DA13
PD9 ------> FSMC_DA14
PD10 ------> FSMC_DA15
PD11 ------> FSMC_A16
PD12 ------> FSMC_A17
PD13 ------> FSMC_A18
PD14 ------> FSMC_DA0
PD15 ------> FSMC_DA1
PD0 ------> FSMC_DA2
PD1 ------> FSMC_DA3
PD4 ------> FSMC_NOE
PD5 ------> FSMC_NWE
PD7 ------> FSMC_NE1
*/
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_6|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_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = 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_PIN_4|GPIO_PIN_5
|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USER CODE BEGIN FSMC_MspInit 1 */
/* USER CODE END FSMC_MspInit 1 */
}
void HAL_SRAM_MspInit(SRAM_HandleTypeDef* sramHandle){
/* USER CODE BEGIN SRAM_MspInit 0 */
/* USER CODE END SRAM_MspInit 0 */
HAL_FSMC_MspInit();
/* USER CODE BEGIN SRAM_MspInit 1 */
/* USER CODE END SRAM_MspInit 1 */
}
static uint32_t FSMC_DeInitialized = 0;
static void HAL_FSMC_MspDeInit(void){
/* USER CODE BEGIN FSMC_MspDeInit 0 */
/* USER CODE END FSMC_MspDeInit 0 */
if (FSMC_DeInitialized) {
return;
}
FSMC_DeInitialized = 1;
/* Peripheral clock enable */
__HAL_RCC_FSMC_CLK_DISABLE();
/** FSMC GPIO Configuration
PE2 ------> FSMC_A23
PE3 ------> FSMC_A19
PE4 ------> FSMC_A20
PE5 ------> FSMC_A21
PE6 ------> FSMC_A22
PE7 ------> FSMC_DA4
PE8 ------> FSMC_DA5
PE9 ------> FSMC_DA6
PE10 ------> FSMC_DA7
PE11 ------> FSMC_DA8
PE12 ------> FSMC_DA9
PE13 ------> FSMC_DA10
PE14 ------> FSMC_DA11
PE15 ------> FSMC_DA12
PD8 ------> FSMC_DA13
PD9 ------> FSMC_DA14
PD10 ------> FSMC_DA15
PD11 ------> FSMC_A16
PD12 ------> FSMC_A17
PD13 ------> FSMC_A18
PD14 ------> FSMC_DA0
PD15 ------> FSMC_DA1
PD0 ------> FSMC_DA2
PD1 ------> FSMC_DA3
PD4 ------> FSMC_NOE
PD5 ------> FSMC_NWE
PD7 ------> FSMC_NE1
*/
HAL_GPIO_DeInit(GPIOE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_6|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);
HAL_GPIO_DeInit(GPIOD, 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_PIN_4|GPIO_PIN_5
|GPIO_PIN_7);
/* USER CODE BEGIN FSMC_MspDeInit 1 */
/* USER CODE END FSMC_MspDeInit 1 */
}
void HAL_SRAM_MspDeInit(SRAM_HandleTypeDef* sramHandle){
/* USER CODE BEGIN SRAM_MspDeInit 0 */
/* USER CODE END SRAM_MspDeInit 0 */
HAL_FSMC_MspDeInit();
/* USER CODE BEGIN SRAM_MspDeInit 1 */
/* USER CODE END SRAM_MspDeInit 1 */
}
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/