/* USER CODE BEGIN Header */ /** ****************************************************************************** * File Name : FSMC.c * Description : This file provides code for the configuration * of the FSMC peripheral. ****************************************************************************** * @attention * * Copyright (c) 2024 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 "bsp_fsmc_sram.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ SRAM_HandleTypeDef hsram1; /* FSMC initialization function */ void MX_FSMC_SRAM_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_BANK3; hsram1.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_DISABLE; hsram1.Init.MemoryType = FSMC_MEMORY_TYPE_SRAM; hsram1.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_16; hsram1.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE; hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_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.WriteBurst = FSMC_WRITE_BURST_DISABLE; /* Timing */ Timing.AddressSetupTime = 2; Timing.AddressHoldTime = 0; Timing.DataSetupTime = 0; Timing.BusTurnAroundDuration = 0; Timing.CLKDivision = 15; Timing.DataLatency = 15; Timing.AccessMode = FSMC_ACCESS_MODE_A; /* ExtTiming */ if (HAL_SRAM_Init(&hsram1, &Timing, NULL) != HAL_OK) { return ; } /* 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(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); /** FSMC GPIO Configuration PF0 ------> FSMC_A0 PF1 ------> FSMC_A1 PF2 ------> FSMC_A2 PF3 ------> FSMC_A3 PF4 ------> FSMC_A4 PF5 ------> FSMC_A5 PF12 ------> FSMC_A6 PF13 ------> FSMC_A7 PF14 ------> FSMC_A8 PF15 ------> FSMC_A9 PG0 ------> FSMC_A10 PG1 ------> FSMC_A11 PE7 ------> FSMC_D4 PE8 ------> FSMC_D5 PE9 ------> FSMC_D6 PE10 ------> FSMC_D7 PE11 ------> FSMC_D8 PE12 ------> FSMC_D9 PE13 ------> FSMC_D10 PE14 ------> FSMC_D11 PE15 ------> FSMC_D12 PD8 ------> FSMC_D13 PD9 ------> FSMC_D14 PD10 ------> FSMC_D15 PD11 ------> FSMC_A16 PD12 ------> FSMC_A17 PD13 ------> FSMC_A18 PD14 ------> FSMC_D0 PD15 ------> FSMC_D1 PG2 ------> FSMC_A12 PG3 ------> FSMC_A13 PG4 ------> FSMC_A14 PG5 ------> FSMC_A15 PD0 ------> FSMC_D2 PD1 ------> FSMC_D3 PD4 ------> FSMC_NOE PD5 ------> FSMC_NWE PG10 ------> FSMC_NE3 PE0 ------> FSMC_NBL0 PE1 ------> FSMC_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_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_FSMC; HAL_GPIO_Init(GPIOF, &GPIO_InitStruct); /* 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_10; 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_FSMC; 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_FSMC; 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_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_FSMC; 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 PF0 ------> FSMC_A0 PF1 ------> FSMC_A1 PF2 ------> FSMC_A2 PF3 ------> FSMC_A3 PF4 ------> FSMC_A4 PF5 ------> FSMC_A5 PF12 ------> FSMC_A6 PF13 ------> FSMC_A7 PF14 ------> FSMC_A8 PF15 ------> FSMC_A9 PG0 ------> FSMC_A10 PG1 ------> FSMC_A11 PE7 ------> FSMC_D4 PE8 ------> FSMC_D5 PE9 ------> FSMC_D6 PE10 ------> FSMC_D7 PE11 ------> FSMC_D8 PE12 ------> FSMC_D9 PE13 ------> FSMC_D10 PE14 ------> FSMC_D11 PE15 ------> FSMC_D12 PD8 ------> FSMC_D13 PD9 ------> FSMC_D14 PD10 ------> FSMC_D15 PD11 ------> FSMC_A16 PD12 ------> FSMC_A17 PD13 ------> FSMC_A18 PD14 ------> FSMC_D0 PD15 ------> FSMC_D1 PG2 ------> FSMC_A12 PG3 ------> FSMC_A13 PG4 ------> FSMC_A14 PG5 ------> FSMC_A15 PD0 ------> FSMC_D2 PD1 ------> FSMC_D3 PD4 ------> FSMC_NOE PD5 ------> FSMC_NWE PG10 ------> FSMC_NE3 PE0 ------>FSMC_NBL0 PE1 ------>FSMC_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_12|GPIO_PIN_13 |GPIO_PIN_14|GPIO_PIN_15); HAL_GPIO_DeInit(GPIOG, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_10); 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); 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); /* 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 */ } /** * @brief 以“字”为单位向sdram写入数据 * @param pBuffer: 指向数据的指针 * @param uwWriteAddress: 要写入的SRAM内部地址 * @param uwBufferSize: 要写入数据大小 * @retval None. */ void SRAM_WriteBuffer(uint32_t* pBuffer, uint32_t uwWriteAddress, uint32_t uwBufferSize) { __IO uint32_t write_pointer = (uint32_t)uwWriteAddress; /* 循环写入数据 */ for (; uwBufferSize != 0; uwBufferSize--) { /* 发送数据到SRAM */ *(uint32_t *) (Bank1_SRAM3_ADDR + write_pointer) = *pBuffer++; /* 地址自增*/ write_pointer += 4; } } /** * @brief 从SRAM中读取数据 * @param pBuffer: 指向存储数据的buffer * @param ReadAddress: 要读取数据的地十 * @param uwBufferSize: 要读取的数据大小 * @retval None. */ void SRAM_ReadBuffer(uint32_t* pBuffer, uint32_t uwReadAddress, uint32_t uwBufferSize) { __IO uint32_t write_pointer = (uint32_t)uwReadAddress; /*读取数据 */ for(; uwBufferSize != 0x00; uwBufferSize--) { *pBuffer++ = *(__IO uint32_t *)(Bank1_SRAM3_ADDR + write_pointer ); /* 地址自增*/ write_pointer += 4; } } /** * @brief 测试SRAM是否正常 * @param None * @retval 正常返回1，异常返回0 */ uint8_t SRAM_Test(void) { /*写入数据计数器*/ uint32_t counter=0; /* 8位的数据 */ uint8_t ubWritedata_8b = 0, ubReaddata_8b = 0; /* 16位的数据 */ uint16_t uhWritedata_16b = 0, uhReaddata_16b = 0; /*按8位格式读写数据，并校验*/ /* 把SRAM数据全部重置为0 ，IS62WV51216_SIZE是以8位为单位的 */ for (counter = 0x00; counter < IS62WV51216_SIZE; counter++) { *(__IO uint8_t*) (Bank1_SRAM3_ADDR + counter) = (uint8_t)0x0; } /* 向整个SRAM写入数据 8位 */ for (counter = 0; counter < IS62WV51216_SIZE; counter++) { *(__IO uint8_t*) (Bank1_SRAM3_ADDR + counter) = (uint8_t)(ubWritedata_8b + counter); } /* 读取 SRAM 数据并检测*/ for(counter = 0; counter