246 lines
7.1 KiB
C
246 lines
7.1 KiB
C
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/**
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******************************************************************************
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* File Name : FSMC.c
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* Description : This file provides code for the configuration
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* of the FSMC peripheral.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fsmc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SRAM_HandleTypeDef hsram1;
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/* FSMC initialization function */
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void MX_FSMC_Init(void)
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{
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/* USER CODE BEGIN FSMC_Init 0 */
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/* USER CODE END FSMC_Init 0 */
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FSMC_NORSRAM_TimingTypeDef Timing = {0};
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/* USER CODE BEGIN FSMC_Init 1 */
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/* USER CODE END FSMC_Init 1 */
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/** Perform the SRAM1 memory initialization sequence
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*/
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hsram1.Instance = FSMC_NORSRAM_DEVICE;
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hsram1.Extended = FSMC_NORSRAM_EXTENDED_DEVICE;
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/* hsram1.Init */
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hsram1.Init.NSBank = FSMC_NORSRAM_BANK1;
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hsram1.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_ENABLE;
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hsram1.Init.MemoryType = FSMC_MEMORY_TYPE_PSRAM;
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hsram1.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_8;
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hsram1.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE;
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hsram1.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
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hsram1.Init.WrapMode = FSMC_WRAP_MODE_DISABLE;
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hsram1.Init.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS;
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hsram1.Init.WriteOperation = FSMC_WRITE_OPERATION_DISABLE;
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hsram1.Init.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE;
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hsram1.Init.ExtendedMode = FSMC_EXTENDED_MODE_DISABLE;
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hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
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hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
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/* Timing */
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Timing.AddressSetupTime = 15;
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Timing.AddressHoldTime = 15;
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Timing.DataSetupTime = 255;
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Timing.BusTurnAroundDuration = 15;
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Timing.CLKDivision = 16;
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Timing.DataLatency = 17;
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Timing.AccessMode = FSMC_ACCESS_MODE_A;
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/* ExtTiming */
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if (HAL_SRAM_Init(&hsram1, &Timing, NULL) != HAL_OK)
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{
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Error_Handler( );
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}
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/* USER CODE BEGIN FSMC_Init 2 */
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/* USER CODE END FSMC_Init 2 */
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}
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static uint32_t FSMC_Initialized = 0;
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static void HAL_FSMC_MspInit(void){
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/* USER CODE BEGIN FSMC_MspInit 0 */
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/* USER CODE END FSMC_MspInit 0 */
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if (FSMC_Initialized) {
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return;
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}
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FSMC_Initialized = 1;
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/* Peripheral clock enable */
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__HAL_RCC_FSMC_CLK_ENABLE();
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/** FSMC GPIO Configuration
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PE2 ------> FSMC_A23
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PE3 ------> FSMC_A19
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PE4 ------> FSMC_A20
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PE5 ------> FSMC_A21
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PE6 ------> FSMC_A22
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PE7 ------> FSMC_DA4
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PE8 ------> FSMC_DA5
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PE9 ------> FSMC_DA6
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PE10 ------> FSMC_DA7
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PE11 ------> FSMC_DA8
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PE12 ------> FSMC_DA9
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PE13 ------> FSMC_DA10
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PE14 ------> FSMC_DA11
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PE15 ------> FSMC_DA12
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PD8 ------> FSMC_DA13
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PD9 ------> FSMC_DA14
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PD10 ------> FSMC_DA15
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PD11 ------> FSMC_A16
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PD12 ------> FSMC_A17
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PD13 ------> FSMC_A18
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PD14 ------> FSMC_DA0
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PD15 ------> FSMC_DA1
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PD0 ------> FSMC_DA2
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PD1 ------> FSMC_DA3
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PD4 ------> FSMC_NOE
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PD5 ------> FSMC_NWE
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PD7 ------> FSMC_NE1
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PB7 ------> FSMC_NL
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*/
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/* GPIO_InitStruct */
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GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
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|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9
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|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13
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|GPIO_PIN_14|GPIO_PIN_15;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
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/* GPIO_InitStruct */
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15
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|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5
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|GPIO_PIN_7;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/* GPIO_InitStruct */
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GPIO_InitStruct.Pin = GPIO_PIN_7;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN FSMC_MspInit 1 */
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/* USER CODE END FSMC_MspInit 1 */
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}
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void HAL_SRAM_MspInit(SRAM_HandleTypeDef* sramHandle){
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/* USER CODE BEGIN SRAM_MspInit 0 */
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/* USER CODE END SRAM_MspInit 0 */
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HAL_FSMC_MspInit();
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/* USER CODE BEGIN SRAM_MspInit 1 */
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/* USER CODE END SRAM_MspInit 1 */
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}
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static uint32_t FSMC_DeInitialized = 0;
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static void HAL_FSMC_MspDeInit(void){
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/* USER CODE BEGIN FSMC_MspDeInit 0 */
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/* USER CODE END FSMC_MspDeInit 0 */
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if (FSMC_DeInitialized) {
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return;
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}
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FSMC_DeInitialized = 1;
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/* Peripheral clock enable */
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__HAL_RCC_FSMC_CLK_DISABLE();
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/** FSMC GPIO Configuration
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PE2 ------> FSMC_A23
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PE3 ------> FSMC_A19
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PE4 ------> FSMC_A20
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PE5 ------> FSMC_A21
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PE6 ------> FSMC_A22
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PE7 ------> FSMC_DA4
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PE8 ------> FSMC_DA5
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PE9 ------> FSMC_DA6
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PE10 ------> FSMC_DA7
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PE11 ------> FSMC_DA8
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PE12 ------> FSMC_DA9
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PE13 ------> FSMC_DA10
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PE14 ------> FSMC_DA11
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PE15 ------> FSMC_DA12
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PD8 ------> FSMC_DA13
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PD9 ------> FSMC_DA14
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PD10 ------> FSMC_DA15
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PD11 ------> FSMC_A16
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PD12 ------> FSMC_A17
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PD13 ------> FSMC_A18
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PD14 ------> FSMC_DA0
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PD15 ------> FSMC_DA1
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PD0 ------> FSMC_DA2
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PD1 ------> FSMC_DA3
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PD4 ------> FSMC_NOE
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PD5 ------> FSMC_NWE
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PD7 ------> FSMC_NE1
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PB7 ------> FSMC_NL
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*/
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HAL_GPIO_DeInit(GPIOE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
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|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9
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|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13
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|GPIO_PIN_14|GPIO_PIN_15);
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HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15
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|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5
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|GPIO_PIN_7);
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
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/* USER CODE BEGIN FSMC_MspDeInit 1 */
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/* USER CODE END FSMC_MspDeInit 1 */
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}
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void HAL_SRAM_MspDeInit(SRAM_HandleTypeDef* sramHandle){
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/* USER CODE BEGIN SRAM_MspDeInit 0 */
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/* USER CODE END SRAM_MspDeInit 0 */
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HAL_FSMC_MspDeInit();
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/* USER CODE BEGIN SRAM_MspDeInit 1 */
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/* USER CODE END SRAM_MspDeInit 1 */
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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