Настройка внешнего интерфейса чтения/записи SRAM.
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MaD_CaT
@@ -40,6 +40,7 @@
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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SRAM_HandleTypeDef hsram1;
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/* USER CODE BEGIN PV */
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@@ -48,6 +49,7 @@
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_FMC_Init(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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@@ -63,24 +65,36 @@ static void MX_GPIO_Init(void);
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_LWIP_Init();
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MX_FMC_Init();
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/* USER CODE BEGIN 2 */
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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MX_LWIP_Process();
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@@ -134,6 +148,60 @@ void SystemClock_Config(void)
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}
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}
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/* FMC initialization function */
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static void MX_FMC_Init(void)
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{
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/* USER CODE BEGIN FMC_Init 0 */
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/* USER CODE END FMC_Init 0 */
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FMC_NORSRAM_TimingTypeDef Timing = {0};
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/* USER CODE BEGIN FMC_Init 1 */
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/* USER CODE END FMC_Init 1 */
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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.WrapMode = FMC_WRAP_MODE_DISABLE;
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hsram1.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
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hsram1.Init.WriteOperation = FMC_WRITE_OPERATION_DISABLE;
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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.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 = 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 = 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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/* USER CODE BEGIN FMC_Init 2 */
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/* USER CODE END FMC_Init 2 */
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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@@ -144,10 +212,13 @@ static void MX_GPIO_Init(void)
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOE_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOG_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET);
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@@ -76,6 +76,206 @@ void HAL_MspInit(void)
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/* USER CODE END MspInit 1 */
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}
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static uint32_t FMC_Initialized = 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 ={0};
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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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/* Peripheral clock enable */
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__HAL_RCC_FMC_CLK_ENABLE();
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/** FMC GPIO Configuration
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PE3 ------> FMC_A19
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PE4 ------> FMC_A20
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PE5 ------> FMC_A21
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PE6 ------> FMC_A22
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PF0 ------> FMC_A0
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PF1 ------> FMC_A1
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PF2 ------> FMC_A2
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PF3 ------> FMC_A3
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PF4 ------> FMC_A4
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PF5 ------> FMC_A5
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PF12 ------> FMC_A6
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PF13 ------> FMC_A7
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PF14 ------> FMC_A8
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PF15 ------> FMC_A9
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PG0 ------> FMC_A10
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PG1 ------> FMC_A11
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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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PD11 ------> FMC_A16
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PD12 ------> FMC_A17
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PD13 ------> FMC_A18
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PD14 ------> FMC_D0
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PD15 ------> FMC_D1
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PG2 ------> FMC_A12
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PG3 ------> FMC_A13
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PG4 ------> FMC_A14
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PG5 ------> FMC_A15
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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.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6
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|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.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
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|GPIO_PIN_4|GPIO_PIN_5|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.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(GPIOF, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
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|GPIO_PIN_4|GPIO_PIN_5;
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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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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.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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/* 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* hsram){
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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 uint32_t FMC_DeInitialized = 0;
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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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/* Peripheral clock enable */
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__HAL_RCC_FMC_CLK_DISABLE();
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/** FMC GPIO Configuration
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PE3 ------> FMC_A19
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PE4 ------> FMC_A20
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PE5 ------> FMC_A21
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PE6 ------> FMC_A22
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PF0 ------> FMC_A0
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PF1 ------> FMC_A1
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PF2 ------> FMC_A2
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PF3 ------> FMC_A3
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PF4 ------> FMC_A4
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PF5 ------> FMC_A5
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PF12 ------> FMC_A6
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PF13 ------> FMC_A7
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PF14 ------> FMC_A8
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PF15 ------> FMC_A9
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PG0 ------> FMC_A10
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PG1 ------> FMC_A11
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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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PD11 ------> FMC_A16
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PD12 ------> FMC_A17
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PD13 ------> FMC_A18
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PD14 ------> FMC_D0
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PD15 ------> FMC_D1
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PG2 ------> FMC_A12
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PG3 ------> FMC_A13
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PG4 ------> FMC_A14
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PG5 ------> FMC_A15
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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_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6
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|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(GPIOF, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
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|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_13
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|GPIO_PIN_14|GPIO_PIN_15);
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HAL_GPIO_DeInit(GPIOG, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
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|GPIO_PIN_4|GPIO_PIN_5);
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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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/* 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* hsram){
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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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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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