STM32CubeMX/SCSI2SD-V6/Src/fsmc.c

   1 /**
   2   ******************************************************************************
   3   * File Name          : FSMC.c
   4   * Description        : This file provides code for the configuration
   5   *                      of the FSMC peripheral.
   6   ******************************************************************************
   7   *
   8   * COPYRIGHT(c) 2016 STMicroelectronics
   9   *
  10   * Redistribution and use in source and binary forms, with or without modification,
  11   * are permitted provided that the following conditions are met:
  12   *   1. Redistributions of source code must retain the above copyright notice,
  13   *      this list of conditions and the following disclaimer.
  14   *   2. Redistributions in binary form must reproduce the above copyright notice,
  15   *      this list of conditions and the following disclaimer in the documentation
  16   *      and/or other materials provided with the distribution.
  17   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  18   *      may be used to endorse or promote products derived from this software
  19   *      without specific prior written permission.
  20   *
  21   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  22   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  24   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  25   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  27   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  28   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31   *
  32   ******************************************************************************
  33   */
  34 /* Includes ------------------------------------------------------------------*/
  35 #include "fsmc.h"
  36
  37 #include "gpio.h"
  38
  39 /* USER CODE BEGIN 0 */
  40
  41 /* USER CODE END 0 */
  42
  43 SRAM_HandleTypeDef hsram1;
  44
  45 /* FSMC initialization function */
  46 void MX_FSMC_Init(void)
  47 {
  48   FSMC_NORSRAM_TimingTypeDef Timing;
  49
  50   /** Perform the SRAM1 memory initialization sequence
  51   */
  52   hsram1.Instance = FSMC_NORSRAM_DEVICE;
  53   hsram1.Extended = FSMC_NORSRAM_EXTENDED_DEVICE;
  54   /* hsram1.Init */
  55   hsram1.Init.NSBank = FSMC_NORSRAM_BANK1;
  56   hsram1.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_ENABLE;
  57   hsram1.Init.MemoryType = FSMC_MEMORY_TYPE_PSRAM;
  58   hsram1.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_16;
  59   hsram1.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE;
  60   hsram1.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
  61   hsram1.Init.WrapMode = FSMC_WRAP_MODE_DISABLE;
  62   hsram1.Init.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS;
  63   hsram1.Init.WriteOperation = FSMC_WRITE_OPERATION_ENABLE;
  64   hsram1.Init.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE;
  65   hsram1.Init.ExtendedMode = FSMC_EXTENDED_MODE_DISABLE;
  66   hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
  67   hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
  68   /* Timing */
  69
  70   // 1 clock to read the address, + 3 for the synchroniser
  71   Timing.AddressSetupTime = 4;
  72   Timing.AddressHoldTime = 1;
  73
  74   // 3 for synchroniser, 1 to skip hold time, 1 to process read, 1 to output
  75   Timing.DataSetupTime = 6;
  76
  77   // Allow a clock for us to release signals, plus 3 for the synchroniser to
  78   // realise the cycle has ended. Need to avoid both devices acting as outputs
  79   // on the multiplexed lines at the same time.
  80   Timing.BusTurnAroundDuration = 4;
  81
  82   Timing.CLKDivision = 16; // Ignored for async
  83   Timing.DataLatency = 17; // Ignored for async
  84   Timing.AccessMode = FSMC_ACCESS_MODE_A;
  85   /* ExtTiming */
  86
  87   HAL_SRAM_Init(&hsram1, &Timing, NULL);
  88
  89 }
  90
  91 static int FSMC_Initialized = 0;
  92
  93 static void HAL_FSMC_MspInit(void){
  94   /* USER CODE BEGIN FSMC_MspInit 0 */
  95
  96   /* USER CODE END FSMC_MspInit 0 */
  97   GPIO_InitTypeDef GPIO_InitStruct;
  98   if (FSMC_Initialized) {
  99     return;
 100   }
 101   FSMC_Initialized = 1;
 102   /* Peripheral clock enable */
 103   __FSMC_CLK_ENABLE();
 104
 105   /** FSMC GPIO Configuration
 106   PE7   ------> FSMC_DA4
 107   PE8   ------> FSMC_DA5
 108   PE9   ------> FSMC_DA6
 109   PE10   ------> FSMC_DA7
 110   PE11   ------> FSMC_DA8
 111   PE12   ------> FSMC_DA9
 112   PE13   ------> FSMC_DA10
 113   PE14   ------> FSMC_DA11
 114   PE15   ------> FSMC_DA12
 115   PD14   ------> FSMC_DA0
 116   PD15   ------> FSMC_DA1
 117   PD0   ------> FSMC_DA2
 118   PD1   ------> FSMC_DA3
 119   PD4   ------> FSMC_NOE
 120   PD5   ------> FSMC_NWE
 121   PD7   ------> FSMC_NE1
 122   PD8   ------> FSMC_DA13
 123   PD9   ------> FSMC_DA14
 124   PD10  ------> FSMC_DA15
 125   PB7   ------> FSMC_NL
 126   PE0   ------> FSMC_NBL0
 127   PE1   ------> FSMC_NBL1
 128   */
 129   /* GPIO_InitStruct */
 130   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|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;
 131   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
 132   GPIO_InitStruct.Pull = GPIO_NOPULL;
 133   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
 134   GPIO_InitStruct.Alternate = GPIO_AF12_FSMC;
 135
 136   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 137
 138   /* GPIO_InitStruct */
 139   GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1
 140                           |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10;
 141   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
 142   GPIO_InitStruct.Pull = GPIO_NOPULL;
 143   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
 144   GPIO_InitStruct.Alternate = GPIO_AF12_FSMC;
 145
 146   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
 147
 148   /* GPIO_InitStruct */
 149   GPIO_InitStruct.Pin = GPIO_PIN_7;
 150   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
 151   GPIO_InitStruct.Pull = GPIO_NOPULL;
 152   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
 153   GPIO_InitStruct.Alternate = GPIO_AF12_FSMC;
 154
 155   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 156
 157   /* USER CODE BEGIN FSMC_MspInit 1 */
 158
 159   /* USER CODE END FSMC_MspInit 1 */
 160 }
 161
 162 void HAL_SRAM_MspInit(SRAM_HandleTypeDef* hsram){
 163   /* USER CODE BEGIN SRAM_MspInit 0 */
 164
 165   /* USER CODE END SRAM_MspInit 0 */
 166   HAL_FSMC_MspInit();
 167   /* USER CODE BEGIN SRAM_MspInit 1 */
 168
 169   /* USER CODE END SRAM_MspInit 1 */
 170 }
 171
 172 static int FSMC_DeInitialized = 0;
 173
 174 static void HAL_FSMC_MspDeInit(void){
 175   /* USER CODE BEGIN FSMC_MspDeInit 0 */
 176
 177   /* USER CODE END FSMC_MspDeInit 0 */
 178   if (FSMC_DeInitialized) {
 179     return;
 180   }
 181   FSMC_DeInitialized = 1;
 182   /* Peripheral clock enable */
 183   __FSMC_CLK_DISABLE();
 184
 185   /** FSMC GPIO Configuration
 186   PE7   ------> FSMC_DA4
 187   PE8   ------> FSMC_DA5
 188   PE9   ------> FSMC_DA6
 189   PE10   ------> FSMC_DA7
 190   PE11   ------> FSMC_DA8
 191   PE12   ------> FSMC_DA9
 192   PE13   ------> FSMC_DA10
 193   PE14   ------> FSMC_DA11
 194   PE15   ------> FSMC_DA12
 195   PD14   ------> FSMC_DA0
 196   PD15   ------> FSMC_DA1
 197   PD0   ------> FSMC_DA2
 198   PD1   ------> FSMC_DA3
 199   PD4   ------> FSMC_NOE
 200   PD5   ------> FSMC_NWE
 201   PD7   ------> FSMC_NE1
 202   PD8   ------> FSMC_DA13
 203   PD9   ------> FSMC_DA14
 204   PD10  ------> FSMC_DA15
 205   PB7   ------> FSMC_NL
 206   PE0   ------> FSMC_NBL0
 207   PE1   ------> FSMC_NBL1
 208   */
 209
 210   HAL_GPIO_DeInit(GPIOE, GPIO_PIN_0|GPIO_PIN_1|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);
 211
 212   HAL_GPIO_DeInit(GPIOD, GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1
 213                           |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10);
 214
 215   HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
 216
 217   /* USER CODE BEGIN FSMC_MspDeInit 1 */
 218
 219   /* USER CODE END FSMC_MspDeInit 1 */
 220 }
 221
 222 void HAL_SRAM_MspDeInit(SRAM_HandleTypeDef* hsram){
 223   /* USER CODE BEGIN SRAM_MspDeInit 0 */
 224
 225   /* USER CODE END SRAM_MspDeInit 0 */
 226   HAL_FSMC_MspDeInit();
 227   /* USER CODE BEGIN SRAM_MspDeInit 1 */
 228
 229   /* USER CODE END SRAM_MspDeInit 1 */
 230 }
 231 /**
 232   * @}
 233   */
 234
 235 /**
 236   * @}
 237   */
 238
 239 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/