[bsp/stm32] add sdram for openmv

Author: supperthomas

bsp/stm32/stm32h743-openmv-h7plus/README.md

@@ -38,7 +38,8 @@ OPENMV4-H7-PLUS 是 OPENMV公司推出的一款针对 STM32H7系列设计的 Cor
 | **片上外设**      | **支持情况** | **备注**                              |
 | :----------------- | :----------: | :------------------------------------- |
 | GPIO              |     支持     |                                        |
-| UART              |     支持     | UART1 （console）                     |
+| UART              |     支持     | UART1(PB14 TX)(PB15 RX) |
+| SDRAM | 支持 | IS42S32800  BANK1 |
 
 ## 使用说明
 

bsp/stm32/stm32h743-openmv-h7plus/applications/main.c

@@ -12,7 +12,6 @@
 #include <rtdevice.h>
 #include <board.h>
 
-/* defined the LED2 pin: PB7 */
 #define LED1_PIN    GET_PIN(C, 0)
 
 int main(void)

bsp/stm32/stm32h743-openmv-h7plus/board/CubeMX_Config/Core/Inc/stm32h7xx_hal_conf.h

@@ -50,7 +50,7 @@
 /* #define HAL_NOR_MODULE_ENABLED   */
 /* #define HAL_OTFDEC_MODULE_ENABLED   */
 /* #define HAL_SRAM_MODULE_ENABLED   */
-/* #define HAL_SDRAM_MODULE_ENABLED   */
+#define HAL_SDRAM_MODULE_ENABLED
 /* #define HAL_HASH_MODULE_ENABLED   */
 /* #define HAL_HRTIM_MODULE_ENABLED   */
 /* #define HAL_HSEM_MODULE_ENABLED   */
@@ -168,7 +168,7 @@
 #define  TICK_INT_PRIORITY            (15UL) /*!< tick interrupt priority */
 #define  USE_RTOS                     0
 #define  USE_SD_TRANSCEIVER           0U               /*!< use uSD Transceiver */
-#define  USE_SPI_CRC                  0U               /*!< use CRC in SPI */
+#define  USE_SPI_CRC	              0U               /*!< use CRC in SPI */
 
 #define  USE_HAL_ADC_REGISTER_CALLBACKS     0U /* ADC register callback disabled     */
 #define  USE_HAL_CEC_REGISTER_CALLBACKS     0U /* CEC register callback disabled     */

bsp/stm32/stm32h743-openmv-h7plus/board/CubeMX_Config/Core/Src/main.c

@@ -42,6 +42,8 @@
 
 UART_HandleTypeDef huart1;
 
+SDRAM_HandleTypeDef hsdram1;
+
 /* USER CODE BEGIN PV */
 
 /* USER CODE END PV */
@@ -50,6 +52,7 @@ UART_HandleTypeDef huart1;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART1_UART_Init(void);
+static void MX_FMC_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -88,6 +91,7 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART1_UART_Init();
+  MX_FMC_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -117,7 +121,7 @@ void SystemClock_Config(void)
   HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
   /** Configure the main internal regulator output voltage
   */
-  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
 
   while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
   /** Initializes the RCC Oscillators according to the specified parameters
@@ -127,12 +131,12 @@ void SystemClock_Config(void)
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-  RCC_OscInitStruct.PLL.PLLM = 1;
-  RCC_OscInitStruct.PLL.PLLN = 80;
+  RCC_OscInitStruct.PLL.PLLM = 3;
+  RCC_OscInitStruct.PLL.PLLN = 200;
   RCC_OscInitStruct.PLL.PLLP = 2;
   RCC_OscInitStruct.PLL.PLLQ = 2;
   RCC_OscInitStruct.PLL.PLLR = 2;
-  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;
+  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
   RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
   RCC_OscInitStruct.PLL.PLLFRACN = 0;
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
@@ -152,7 +156,7 @@ void SystemClock_Config(void)
   RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
   RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
   {
     Error_Handler();
   }
@@ -206,6 +210,53 @@ static void MX_USART1_UART_Init(void)
 
 }
 
+/* FMC initialization function */
+static void MX_FMC_Init(void)
+{
+
+  /* USER CODE BEGIN FMC_Init 0 */
+
+  /* USER CODE END FMC_Init 0 */
+
+  FMC_SDRAM_TimingTypeDef SdramTiming = {0};
+
+  /* USER CODE BEGIN FMC_Init 1 */
+
+  /* USER CODE END FMC_Init 1 */
+
+  /** Perform the SDRAM1 memory initialization sequence
+  */
+  hsdram1.Instance = FMC_SDRAM_DEVICE;
+  /* hsdram1.Init */
+  hsdram1.Init.SDBank = FMC_SDRAM_BANK1;
+  hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9;
+  hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12;
+  hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32;
+  hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
+  hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_2;
+  hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
+  hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
+  hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;
+  hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
+  /* SdramTiming */
+  SdramTiming.LoadToActiveDelay = 2;
+  SdramTiming.ExitSelfRefreshDelay = 7;
+  SdramTiming.SelfRefreshTime = 5;
+  SdramTiming.RowCycleDelay = 6;
+  SdramTiming.WriteRecoveryTime = 3;
+  SdramTiming.RPDelay = 2;
+  SdramTiming.RCDDelay = 2;
+
+  if (HAL_SDRAM_Init(&hsdram1, &SdramTiming) != HAL_OK)
+  {
+    Error_Handler( );
+  }
+
+  /* USER CODE BEGIN FMC_Init 2 */
+
+  /* USER CODE END FMC_Init 2 */
+}
+
 /**
   * @brief GPIO Initialization Function
   * @param None
@@ -216,7 +267,12 @@ static void MX_GPIO_Init(void)
   GPIO_InitTypeDef GPIO_InitStruct = {0};
 
   /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOE_CLK_ENABLE();
+  __HAL_RCC_GPIOG_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOI_CLK_ENABLE();
   __HAL_RCC_GPIOH_CLK_ENABLE();
+  __HAL_RCC_GPIOF_CLK_ENABLE();
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOB_CLK_ENABLE();