/**
* @brief SDRAM MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hsram: SDRAM handle pointer
* @retval None
*/
void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef *hsdram)
{
GPIO_InitTypeDef GPIO_Init_Structure;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clocks */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOI_CLK_ENABLE();
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_FAST;
GPIO_Init_Structure.Alternate = GPIO_AF12_FMC;
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8| GPIO_PIN_9 | GPIO_PIN_10 |\
GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/* GPIOE configuration */
GPIO_Init_Structure.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;
HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);
/* GPIOF configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOF, &GPIO_Init_Structure);
/* GPIOG configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4| GPIO_PIN_5 | GPIO_PIN_8 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOG, &GPIO_Init_Structure);
/* GPIOH configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_5 | 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_Init(GPIOH, &GPIO_Init_Structure);
/* GPIOI configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_9 | GPIO_PIN_10;
HAL_GPIO_Init(GPIOI, &GPIO_Init_Structure);
}
/**
* @brief SRAM MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hsram: SRAM handle pointer
* @retval None
*/
void HAL_SRAM_MspInit(SRAM_HandleTypeDef *hsram)
{
GPIO_InitTypeDef GPIO_Init_Structure;
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable GPIOs clock */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
/* Common GPIO configuration */
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF12_FMC;
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3| GPIO_PIN_4 | GPIO_PIN_5 | 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_Init(GPIOD, &GPIO_Init_Structure);
/* GPIOE configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3| GPIO_PIN_4 | 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_Init(GPIOE, &GPIO_Init_Structure);
/* GPIOF configuration */
GPIO_Init_Structure.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;
HAL_GPIO_Init(GPIOF, &GPIO_Init_Structure);
/* GPIOG configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_10;
HAL_GPIO_Init(GPIOG, &GPIO_Init_Structure);
}
/**
* @brief Initializes the NOR MSP.
* @retval None
*/
__weak void BSP_NOR_MspInit(NOR_HandleTypeDef *hnor, void *Params)
{
GPIO_InitTypeDef gpio_init_structure;
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable GPIOs clock */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
/* Common GPIO configuration */
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
gpio_init_structure.Alternate = GPIO_AF12_FMC;
/* GPIOD configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 |\
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_Init(GPIOD, &gpio_init_structure);
/* GPIOE configuration */
gpio_init_structure.Pin = GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 |\
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_Init(GPIOE, &gpio_init_structure);
/* GPIOF configuration */
gpio_init_structure.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;
HAL_GPIO_Init(GPIOF, &gpio_init_structure);
/* GPIOG configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5;
HAL_GPIO_Init(GPIOG, &gpio_init_structure);
}
/**
* @brief Initializes SDRAM MSP.
* @param hsdram: SDRAM handle
* @retval None
*/
__weak void BSP_SDRAM_MspInit(SDRAM_HandleTypeDef *hsdram, void *Params)
{
static DMA_HandleTypeDef dma_handle;
GPIO_InitTypeDef gpio_init_structure;
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable chosen DMAx clock */
__DMAx_CLK_ENABLE();
/* Enable GPIOs clock */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOI_CLK_ENABLE();
/* Common GPIO configuration */
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FAST;
gpio_init_structure.Alternate = GPIO_AF12_FMC;
/* GPIOD configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8| GPIO_PIN_9 | GPIO_PIN_10 |\
GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &gpio_init_structure);
/* GPIOE configuration */
gpio_init_structure.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;
HAL_GPIO_Init(GPIOE, &gpio_init_structure);
/* GPIOF configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOF, &gpio_init_structure);
/* GPIOG configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4| GPIO_PIN_5 | GPIO_PIN_8 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOG, &gpio_init_structure);
/* GPIOH configuration */
gpio_init_structure.Pin = GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_5 | 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_Init(GPIOH, &gpio_init_structure);
/* GPIOI configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_9 | GPIO_PIN_10;
HAL_GPIO_Init(GPIOI, &gpio_init_structure);
/* Configure common DMA parameters */
dma_handle.Init.Channel = SDRAM_DMAx_CHANNEL;
dma_handle.Init.Direction = DMA_MEMORY_TO_MEMORY;
dma_handle.Init.PeriphInc = DMA_PINC_ENABLE;
dma_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_handle.Init.Mode = DMA_NORMAL;
dma_handle.Init.Priority = DMA_PRIORITY_HIGH;
dma_handle.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
dma_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_handle.Init.MemBurst = DMA_MBURST_SINGLE;
dma_handle.Init.PeriphBurst = DMA_PBURST_SINGLE;
dma_handle.Instance = SDRAM_DMAx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hsdram, hdma, dma_handle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dma_handle);
/* Configure the DMA stream */
HAL_DMA_Init(&dma_handle);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SDRAM_DMAx_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(SDRAM_DMAx_IRQn);
}
void HAL_SDRAM_MspInit( SDRAM_HandleTypeDef * /* hsdram */ )
{
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_FMC_CLK_ENABLE();
/*+------------------+--------------------+--------------------+--------------------+
+ SDRAM pins assignment +
+-------------------+--------------------+--------------------+--------------------+
| PD0 <-> FMC_D2 | PE0 <-> FMC_NBL0 | PF0 <-> FMC_A0 | PG0 <-> FMC_A10 |
| PD1 <-> FMC_D3 | PE1 <-> FMC_NBL1 | PF1 <-> FMC_A1 | PG1 <-> FMC_A11 |
| PD8 <-> FMC_D13 | PE7 <-> FMC_D4 | PF2 <-> FMC_A2 | PG4 <-> FMC_BA0 |
| PD9 <-> FMC_D14 | PE8 <-> FMC_D5 | PF3 <-> FMC_A3 | PG5 <-> FMC_BA1 |
| PD10 <-> FMC_D15 | PE9 <-> FMC_D6 | PF4 <-> FMC_A4 | PG8 <-> FMC_SDCLK |
| PD14 <-> FMC_D0 | PE10 <-> FMC_D7 | PF5 <-> FMC_A5 | PG15 <-> FMC_NCAS |
| PD15 <-> FMC_D1 | PE11 <-> FMC_D8 | PF11 <-> FMC_NRAS |--------------------+
+-------------------| PE12 <-> FMC_D9 | PF12 <-> FMC_A6 |
| PE13 <-> FMC_D10 | PF13 <-> FMC_A7 |
| PE14 <-> FMC_D11 | PF14 <-> FMC_A8 |
| PE15 <-> FMC_D12 | PF15 <-> FMC_A9 |
+-------------------+--------------------+--------------------+
| PB5 <-> FMC_SDCKE1|
| PB6 <-> FMC_SDNE1 |
| PC0 <-> FMC_SDNWE |
+-------------------+
*/
GPIO_InitTypeDef gio;
/* Common GPIO configuration */
gio.Mode = GPIO_MODE_AF_PP;
gio.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
gio.Pull = GPIO_NOPULL;
gio.Alternate = GPIO_AF12_FMC;
gio.Pin = GPIO_PIN_5 | GPIO_PIN_6;
HAL_GPIO_Init( GPIOB, &gio );
gio.Pin = GPIO_PIN_0;
HAL_GPIO_Init( GPIOC, &gio );
gio.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8 | GPIO_PIN_9
| GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init( GPIOD, &gio );
gio.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;
HAL_GPIO_Init( GPIOE, &gio );
gio.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3
| GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_11 | GPIO_PIN_12
| GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init( GPIOF, &gio );
gio.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5
| GPIO_PIN_8 | GPIO_PIN_15;
HAL_GPIO_Init( GPIOG, &gio );
}
void SDRAM_GPIO_Init(SDRAM_HandleTypeDef *hsdram)
{
GPIO_InitTypeDef GPIO_Init_Structure;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clocks */
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/*-- GPIOs Configuration -----------------------------------------------------*/
/*
+-------------------+--------------------+--------------------+--------------------+
+ SDRAM pins assignment +
+-------------------+--------------------+--------------------+--------------------+
| PD0 <-> FMC_D2 | PE0 <-> FMC_NBL0 | PF0 <-> FMC_A0 | PG0 <-> FMC_A10 |
| PD1 <-> FMC_D3 | PE1 <-> FMC_NBL1 | PF1 <-> FMC_A1 | PG1 <-> FMC_A11 |
| PD8 <-> FMC_D13 | PE7 <-> FMC_D4 | PF2 <-> FMC_A2 | PG8 <-> FMC_SDCLK |
| PD9 <-> FMC_D14 | PE8 <-> FMC_D5 | PF3 <-> FMC_A3 | PG15 <-> FMC_NCAS |
| PD10 <-> FMC_D15 | PE9 <-> FMC_D6 | PF4 <-> FMC_A4 |--------------------+
| PD14 <-> FMC_D0 | PE10 <-> FMC_D7 | PF5 <-> FMC_A5 |
| PD15 <-> FMC_D1 | PE11 <-> FMC_D8 | PF11 <-> FMC_NRAS |
+-------------------| PE12 <-> FMC_D9 | PF12 <-> FMC_A6 |
| PE13 <-> FMC_D10 | PF13 <-> FMC_A7 |
| PE14 <-> FMC_D11 | PF14 <-> FMC_A8 |
| PE15 <-> FMC_D12 | PF15 <-> FMC_A9 |
+-------------------+--------------------+--------------------+
| PB5 <-> FMC_SDCKE1|
| PB6 <-> FMC_SDNE1 |
| PC0 <-> FMC_SDNWE |
+-------------------+
*/
/* Common GPIO configuration */
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Speed = GPIO_SPEED_FAST;
GPIO_Init_Structure.Pull = GPIO_NOPULL;
GPIO_Init_Structure.Alternate = GPIO_AF12_FMC;
/* GPIOB configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_5 | GPIO_PIN_6;
HAL_GPIO_Init(GPIOB, &GPIO_Init_Structure);
/* GPIOC configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0;
HAL_GPIO_Init(GPIOC, &GPIO_Init_Structure);
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8 |
GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_14 |
GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/* GPIOE configuration */
GPIO_Init_Structure.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;
HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);
/* GPIOF configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 |
GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 |
GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 |
GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOF, &GPIO_Init_Structure);
/* GPIOG configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 |
GPIO_PIN_5 | GPIO_PIN_8 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOG, &GPIO_Init_Structure);
}
/**
* @brief Initializes the SDRAM device.
* @retval SDRAM status
*/
uint8_t stm32_sdram_init(sdram_config_t *config)
{
static uint8_t sdramstatus = SDRAM_ERROR;
static DMA_HandleTypeDef dma_handle;
/* SDRAM device configuration */
sdramHandle.Instance = FMC_SDRAM_DEVICE;
/* Timing configuration for 100Mhz as SDRAM clock frequency (System clock is up to 200Mhz) */
FMC_SDRAM_TimingTypeDef Timing;
Timing.LoadToActiveDelay = 2;
Timing.ExitSelfRefreshDelay = 7;
Timing.SelfRefreshTime = 4;
Timing.RowCycleDelay = 7;
Timing.WriteRecoveryTime = 2;
Timing.RPDelay = 2;
Timing.RCDDelay = 2;
sdramHandle.Init.SDBank = FMC_SDRAM_BANK1;
sdramHandle.Init.ColumnBitsNumber = GetColumnBitsNumber(config);
sdramHandle.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12;
sdramHandle.Init.MemoryDataWidth = GetMemoryWidth(config);
sdramHandle.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
sdramHandle.Init.CASLatency = GetCasLatencyFMC(config);
sdramHandle.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
sdramHandle.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
sdramHandle.Init.ReadBurst = FMC_SDRAM_RBURST_ENABLE;
sdramHandle.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable chosen DMAx clock */
__DMAx_CLK_ENABLE();
/* SDRAM GPIO initialization */
stm_sdram_GPIO_init();
/* Configure common DMA parameters */
dma_handle.Init.Channel = SDRAM_DMAx_CHANNEL;
dma_handle.Init.Direction = DMA_MEMORY_TO_MEMORY;
dma_handle.Init.PeriphInc = DMA_PINC_ENABLE;
dma_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_handle.Init.Mode = DMA_NORMAL;
dma_handle.Init.Priority = DMA_PRIORITY_HIGH;
dma_handle.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
dma_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_handle.Init.MemBurst = DMA_MBURST_SINGLE;
dma_handle.Init.PeriphBurst = DMA_PBURST_SINGLE;
dma_handle.Instance = SDRAM_DMAx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(&sdramHandle, hdma, dma_handle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dma_handle);
/* Configure the DMA stream */
HAL_DMA_Init(&dma_handle);
#if 0
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SDRAM_DMAx_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(SDRAM_DMAx_IRQn);
#endif
if (HAL_SDRAM_Init(&sdramHandle, &Timing) != HAL_OK) {
sdramstatus = SDRAM_ERROR;
} else {
sdramstatus = SDRAM_OK;
}
/* SDRAM initialization sequence */
BSP_SDRAM_Initialization_sequence(REFRESH_COUNT,
GetCasLatencyModeReg(config));
return sdramstatus;
}
/**
* @brief NOR MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hsram: NOR handle pointer
* @retval None
*/
void HAL_NOR_MspInit(NOR_HandleTypeDef *hnor)
{
GPIO_InitTypeDef GPIO_Init_Structure;
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable GPIOs clock */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
// __HAL_RCC_GPIOF_CLK_ENABLE();
// __HAL_RCC_GPIOG_CLK_ENABLE();
/* Common GPIO configuration */
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF12_FMC;
/*## Data Bus #######*/
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8 | GPIO_PIN_9 | \
GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/* GPIOE configuration */
GPIO_Init_Structure.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;
HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);
/*## Address Bus #######*/
// /* GPIOF configuration */
// GPIO_Init_Structure.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;
// HAL_GPIO_Init(GPIOF, &GPIO_Init_Structure);
//
// /* GPIOG configuration */
// GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | \
// GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5;
// HAL_GPIO_Init(GPIOG, &GPIO_Init_Structure);
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/* GPIOE configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6;
HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);
/*## NOE and NWE configuration #######*/
GPIO_Init_Structure.Pin = GPIO_PIN_4 |GPIO_PIN_5;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/*## WAIT and CLK????????? configuration #######*/
GPIO_Init_Structure.Pin = GPIO_PIN_6 |GPIO_PIN_3;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/*## NL pin configuration #######*/
GPIO_Init_Structure.Pin = GPIO_PIN_7;
HAL_GPIO_Init(GPIOB, &GPIO_Init_Structure);
/*## Enable Bank pin configuration #######*/
GPIO_Init_Structure.Pin = GPIO_PIN_7;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/*## NBL0, NBL1 configuration #######*/
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1;
HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);
}
static void HAL_FMC_MspInit(void){
/* USER CODE BEGIN FMC_MspInit 0 */
/* USER CODE END FMC_MspInit 0 */
GPIO_InitTypeDef GPIO_InitStruct;
if (FMC_Initialized) {
return;
}
FMC_Initialized = 1;
/* Peripheral clock enable */
__HAL_RCC_FMC_CLK_ENABLE();
/** FMC GPIO Configuration
PI9 ------> FMC_D30
PI10 ------> FMC_D31
PF0 ------> FMC_A0
PF1 ------> FMC_A1
PF2 ------> FMC_A2
PF3 ------> FMC_A3
PF4 ------> FMC_A4
PF5 ------> FMC_A5
PH2 ------> FMC_SDCKE0
PH3 ------> FMC_SDNE0
PH5 ------> FMC_SDNWE
PF11 ------> FMC_SDNRAS
PF12 ------> FMC_A6
PF13 ------> FMC_A7
PF14 ------> FMC_A8
PF15 ------> FMC_A9
PG0 ------> FMC_A10
PG1 ------> FMC_A11
PE7 ------> FMC_D4
PE8 ------> FMC_D5
PE9 ------> FMC_D6
PE10 ------> FMC_D7
PE11 ------> FMC_D8
PE12 ------> FMC_D9
PE13 ------> FMC_D10
PE14 ------> FMC_D11
PE15 ------> FMC_D12
PH8 ------> FMC_D16
PH9 ------> FMC_D17
PH10 ------> FMC_D18
PH11 ------> FMC_D19
PH12 ------> FMC_D20
PD8 ------> FMC_D13
PD9 ------> FMC_D14
PD10 ------> FMC_D15
PD14 ------> FMC_D0
PD15 ------> FMC_D1
PG4 ------> FMC_BA0
PG5 ------> FMC_BA1
PG8 ------> FMC_SDCLK
PH13 ------> FMC_D21
PH14 ------> FMC_D22
PH15 ------> FMC_D23
PI0 ------> FMC_D24
PI1 ------> FMC_D25
PI2 ------> FMC_D26
PI3 ------> FMC_D27
PD0 ------> FMC_D2
PD1 ------> FMC_D3
PD4 ------> FMC_NOE
PD5 ------> FMC_NWE
PG9 ------> FMC_NE2
PG15 ------> FMC_SDNCAS
PE0 ------> FMC_NBL0
PE1 ------> FMC_NBL1
PI4 ------> FMC_NBL2
PI5 ------> FMC_NBL3
PI6 ------> FMC_D28
PI7 ------> FMC_D29
*/
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1
|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_6|GPIO_PIN_7;
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_FMC;
HAL_GPIO_Init(GPIOI, &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_11|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_FMC;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_5|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_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_8|GPIO_PIN_9|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_FMC;
HAL_GPIO_Init(GPIOG, &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_FMC;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|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_FMC;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USER CODE BEGIN FMC_MspInit 1 */
/* USER CODE END FMC_MspInit 1 */
}
/**
* @brief Initializes the NOR MSP.
* @retval None
*/
static void NOR_MspInit(void)
{
GPIO_InitTypeDef gpioinitstruct = {0};
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable GPIOs clock */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableVddIO2();
/* Common GPIO configuration */
gpioinitstruct.Mode = GPIO_MODE_AF_PP;
gpioinitstruct.Pull = GPIO_PULLUP;
gpioinitstruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
gpioinitstruct.Alternate = GPIO_AF12_FMC;
/*## Data Bus #######*/
/* GPIOD configuration */
gpioinitstruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8 | GPIO_PIN_9 |
GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &gpioinitstruct);
/* GPIOE configuration */
gpioinitstruct.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;
HAL_GPIO_Init(GPIOE, &gpioinitstruct);
/*## Address Bus #######*/
/* GPIOF configuration */
gpioinitstruct.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;
HAL_GPIO_Init(GPIOF, &gpioinitstruct);
/* GPIOG configuration */
gpioinitstruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 |
GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5;
HAL_GPIO_Init(GPIOG, &gpioinitstruct);
/* GPIOD configuration */
gpioinitstruct.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
HAL_GPIO_Init(GPIOD, &gpioinitstruct);
/* GPIOE configuration */
gpioinitstruct.Pin = GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6;
HAL_GPIO_Init(GPIOE, &gpioinitstruct);
/*## NOE and NWE configuration ######*/
gpioinitstruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
HAL_GPIO_Init(GPIOD, &gpioinitstruct);
/*## NE2/NCE3 configuration ######*/
gpioinitstruct.Pin = GPIO_PIN_9;
HAL_GPIO_Init(GPIOG, &gpioinitstruct);
#if defined(USE_STM32L476G_EVAL_REVB)
/*## LCD NE3 configuration #######*/
gpioinitstruct.Pin = GPIO_PIN_10;
HAL_GPIO_Init(GPIOG, &gpioinitstruct);
#endif /* USE_STM32L476G_EVAL_REVB */
/*## Configure PD6 for NOR memory Ready/Busy signal ######*/
gpioinitstruct.Pin = GPIO_PIN_6;
HAL_GPIO_Init(GPIOD, &gpioinitstruct);
}
uint8_t TM_SDRAM_Init(void) {
SDRAM_HandleTypeDef SDRAMHandle;
FMC_SDRAM_TimingTypeDef Timing;
FMC_SDRAM_CommandTypeDef Command;
volatile uint32_t timeout = SDRAM_TIMEOUT;
static uint8_t initialized = 0;
/* Already initialized */
if (initialized) {
return 1;
}
/* Set instance */
SDRAMHandle.Instance = FMC_SDRAM_DEVICE;
/* Initialize FMC pins */
TM_SDRAM_InitPins();
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* FMC SDRAM device initialization sequence --------------------------------*/
/* Step 1 ----------------------------------------------------*/
/* Timing configuration for 90 Mhz of SD clock frequency (180Mhz/2) */
/* TMRD: 2 Clock cycles */
/* 1 clock cycle = 1 / 90MHz = 11.1ns */
Timing.LoadToActiveDelay = 2;
Timing.ExitSelfRefreshDelay = 7;
Timing.SelfRefreshTime = 4;
Timing.RowCycleDelay = 7;
Timing.WriteRecoveryTime = 2;
Timing.RPDelay = 2;
Timing.RCDDelay = 2;
/* FMC SDRAM control configuration */
SDRAMHandle.Init.SDBank = SDRAM_BANK;
SDRAMHandle.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_8;
SDRAMHandle.Init.RowBitsNumber = SDRAM_ROWBITS_NUMBER;
SDRAMHandle.Init.MemoryDataWidth = SDRAM_MEMORY_WIDTH;
SDRAMHandle.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
SDRAMHandle.Init.CASLatency = SDRAM_CAS_LATENCY;
SDRAMHandle.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
SDRAMHandle.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
SDRAMHandle.Init.ReadBurst = SDRAM_READ_BURST_STATE;
SDRAMHandle.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
/* FMC SDRAM bank initialization */
HAL_SDRAM_Init(&SDRAMHandle, &Timing);
/* SDRAM Init sequence */
/* Configure a clock configuration enable command */
Command.CommandMode = FMC_SDRAM_CMD_CLK_ENABLE;
Command.CommandTarget = SDRAM_COMMAND_TARGET_BANK;
Command.AutoRefreshNumber = 1;
Command.ModeRegisterDefinition = 0;
/* Send command */
HAL_SDRAM_SendCommand(&SDRAMHandle, &Command, SDRAM_TIMEOUT);
/* Little delay */
timeout = SDRAM_TIMEOUT * 0xF;
while (timeout--);
/* Configure a PALL (precharge all) command */
Command.CommandMode = FMC_SDRAM_CMD_PALL;
Command.CommandTarget = SDRAM_COMMAND_TARGET_BANK;
Command.AutoRefreshNumber = 1;
Command.ModeRegisterDefinition = 0;
/* Send the command */
HAL_SDRAM_SendCommand(&SDRAMHandle, &Command, SDRAM_TIMEOUT);
/* Configure a Auto-Refresh command */
Command.CommandMode = FMC_SDRAM_CMD_AUTOREFRESH_MODE;
Command.CommandTarget = SDRAM_COMMAND_TARGET_BANK;
Command.AutoRefreshNumber = 8;
Command.ModeRegisterDefinition = 0;
/* Send the command */
HAL_SDRAM_SendCommand(&SDRAMHandle, &Command, SDRAM_TIMEOUT);
/* Configure a load Mode register command */
Command.CommandMode = FMC_SDRAM_CMD_LOAD_MODE;
Command.CommandTarget = SDRAM_COMMAND_TARGET_BANK;
Command.AutoRefreshNumber = 1;
Command.ModeRegisterDefinition = (uint32_t)SDRAM_REG_VALUE;
/* Wait until the SDRAM controller is ready */
/* Send the command */
HAL_SDRAM_SendCommand(&SDRAMHandle, &Command, SDRAM_TIMEOUT);
/* Step 6: Set the refresh rate counter */
/* Set the device refresh rate */
HAL_SDRAM_ProgramRefreshRate(&SDRAMHandle, SDRAM_REFRESH_COUNT);
/* Little delay */
timeout = SDRAM_TIMEOUT * 0xF;
while (timeout--);
/* Check if everything goes right */
/* Write 0x45 at location 0x50 and check if result is the same on read operation */
TM_SDRAM_Write8(0x50, 0x45);
/* Read and check */
if (TM_SDRAM_Read8(0x50) == 0x45) {
/* Initialized OK */
initialized = 1;
/* Initialized OK */
return 1;
}
/* Not initialized OK */
initialized = 0;
/* Not ok */
return 0;
}
