250 lines
8.0 KiB
C
250 lines
8.0 KiB
C
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/**
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******************************************************************************
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* File Name : FMC.c
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* Description : This file provides code for the configuration
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* of the FMC peripheral.
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******************************************************************************
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*
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* Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fmc.h"
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#include "gpio.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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/* FMC initialization function */
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void MX_FMC_Init(void)
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{
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FMC_NORSRAM_TimingTypeDef Timing;
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/** Perform the SRAM1 memory initialization sequence
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*/
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hsram1.Instance = FMC_NORSRAM_DEVICE;
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hsram1.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
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/* hsram1.Init */
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hsram1.Init.NSBank = FMC_NORSRAM_BANK1;
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hsram1.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
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hsram1.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
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hsram1.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_16;
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hsram1.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
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hsram1.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
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hsram1.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
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hsram1.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
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hsram1.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
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hsram1.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
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hsram1.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
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hsram1.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
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hsram1.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
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hsram1.Init.WriteFifo = FMC_WRITE_FIFO_DISABLE;
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hsram1.Init.PageSize = FMC_PAGE_SIZE_NONE;
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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 = 15;
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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 = FMC_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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}
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static uint32_t FMC_Initialized = 0;
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static uint32_t FMC_DeInitialized = 0;
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static void HAL_FMC_MspInit(void){
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/* USER CODE BEGIN FMC_MspInit 0 */
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/* USER CODE END FMC_MspInit 0 */
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GPIO_InitTypeDef GPIO_InitStruct;
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if (FMC_Initialized) {
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return;
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}
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FMC_Initialized = 1;
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FMC_DeInitialized = 0;
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/* Peripheral clock enable */
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__HAL_RCC_FMC_CLK_ENABLE();
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/** FMC GPIO Configuration
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PE7 ------> FMC_D4
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PE8 ------> FMC_D5
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PE9 ------> FMC_D6
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PE10 ------> FMC_D7
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PE11 ------> FMC_D8
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PE12 ------> FMC_D9
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PE13 ------> FMC_D10
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PE14 ------> FMC_D11
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PE15 ------> FMC_D12
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PD8 ------> FMC_D13
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PD9 ------> FMC_D14
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PD10 ------> FMC_D15
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PD14 ------> FMC_D0
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PD15 ------> FMC_D1
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PG3 ------> FMC_A13
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PD0 ------> FMC_D2
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PD1 ------> FMC_D3
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PD4 ------> FMC_NOE
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PD5 ------> FMC_NWE
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PD7 ------> FMC_NE1
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*/
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/* GPIO_InitStruct */
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GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
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|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
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|GPIO_PIN_15;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
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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_14
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|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4
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|GPIO_PIN_5|GPIO_PIN_7;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
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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_3;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
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HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
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/* USER CODE BEGIN FMC_MspInit 1 */
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/* USER CODE END FMC_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_FMC_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 void HAL_FMC_MspDeInit(void){
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/* USER CODE BEGIN FMC_MspDeInit 0 */
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/* USER CODE END FMC_MspDeInit 0 */
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if (FMC_DeInitialized) {
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return;
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}
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FMC_DeInitialized = 1;
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FMC_Initialized = 0;
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/* Peripheral clock enable */
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__HAL_RCC_FMC_CLK_DISABLE();
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/** FMC GPIO Configuration
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PE7 ------> FMC_D4
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PE8 ------> FMC_D5
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PE9 ------> FMC_D6
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PE10 ------> FMC_D7
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PE11 ------> FMC_D8
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PE12 ------> FMC_D9
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PE13 ------> FMC_D10
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PE14 ------> FMC_D11
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PE15 ------> FMC_D12
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PD8 ------> FMC_D13
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PD9 ------> FMC_D14
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PD10 ------> FMC_D15
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PD14 ------> FMC_D0
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PD15 ------> FMC_D1
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PG3 ------> FMC_A13
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PD0 ------> FMC_D2
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PD1 ------> FMC_D3
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PD4 ------> FMC_NOE
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PD5 ------> FMC_NWE
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PD7 ------> FMC_NE1
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*/
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HAL_GPIO_DeInit(GPIOE, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
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|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
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|GPIO_PIN_15);
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HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
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|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4
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|GPIO_PIN_5|GPIO_PIN_7);
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HAL_GPIO_DeInit(GPIOG, GPIO_PIN_3);
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/* USER CODE BEGIN FMC_MspDeInit 1 */
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/* USER CODE END FMC_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_FMC_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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