/**
* @brief QSPI MSP De-Initialization
* This function frees the hardware resources used in this example:
* - Disable the Peripheral's clock
* - Revert GPIO, DMA and NVIC configuration to their default state
* @param hqspi: QSPI handle pointer
* @retval None
*/
void HAL_QSPI_MspDeInit(QSPI_HandleTypeDef *hqspi)
{
static DMA_HandleTypeDef hdma;
/*##-1- Disable the NVIC for QSPI and DMA ##################################*/
HAL_NVIC_DisableIRQ(QSPI_DMA_IRQ);
HAL_NVIC_DisableIRQ(QUADSPI_IRQn);
/*##-2- Disable peripherals ################################################*/
/* De-configure DMA channel */
hdma.Instance = QSPI_DMA_INSTANCE;
HAL_DMA_DeInit(&hdma);
/* De-Configure QSPI pins */
HAL_GPIO_DeInit(QSPI_CS_GPIO_PORT, QSPI_CS_PIN);
HAL_GPIO_DeInit(QSPI_CLK_GPIO_PORT, QSPI_CLK_PIN);
HAL_GPIO_DeInit(QSPI_D0_GPIO_PORT, QSPI_D0_PIN);
HAL_GPIO_DeInit(QSPI_D1_GPIO_PORT, QSPI_D1_PIN);
HAL_GPIO_DeInit(QSPI_D2_GPIO_PORT, QSPI_D2_PIN);
HAL_GPIO_DeInit(QSPI_D3_GPIO_PORT, QSPI_D3_PIN);
/*##-3- Reset peripherals ##################################################*/
/* Reset the QuadSPI memory interface */
QSPI_FORCE_RESET();
QSPI_RELEASE_RESET();
/* Disable the QuadSPI memory interface clock */
QSPI_CLK_DISABLE();
}
/**
* @brief QSPI MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - NVIC configuration for QSPI interrupt
* @retval None
*/
__weak void BSP_QSPI_MspInit(QSPI_HandleTypeDef *hqspi, void *Params)
{
GPIO_InitTypeDef gpio_init_structure;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable the QuadSPI memory interface clock */
QSPI_CLK_ENABLE();
/* Reset the QuadSPI memory interface */
QSPI_FORCE_RESET();
QSPI_RELEASE_RESET();
/* Enable GPIO clocks */
QSPI_CS_GPIO_CLK_ENABLE();
QSPI_CLK_GPIO_CLK_ENABLE();
QSPI_D0_GPIO_CLK_ENABLE();
QSPI_D1_GPIO_CLK_ENABLE();
QSPI_D2_GPIO_CLK_ENABLE();
QSPI_D3_GPIO_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* QSPI CS GPIO pin configuration */
gpio_init_structure.Pin = QSPI_CS_PIN;
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
gpio_init_structure.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(QSPI_CS_GPIO_PORT, &gpio_init_structure);
/* QSPI CLK GPIO pin configuration */
gpio_init_structure.Pin = QSPI_CLK_PIN;
gpio_init_structure.Pull = GPIO_NOPULL;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_CLK_GPIO_PORT, &gpio_init_structure);
/* QSPI D0 GPIO pin configuration */
gpio_init_structure.Pin = QSPI_D0_PIN;
gpio_init_structure.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(QSPI_D0_GPIO_PORT, &gpio_init_structure);
/* QSPI D1 GPIO pin configuration */
gpio_init_structure.Pin = QSPI_D1_PIN;
gpio_init_structure.Alternate = GPIO_AF10_QUADSPI;
HAL_GPIO_Init(QSPI_D1_GPIO_PORT, &gpio_init_structure);
/* QSPI D2 GPIO pin configuration */
gpio_init_structure.Pin = QSPI_D2_PIN;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D2_GPIO_PORT, &gpio_init_structure);
/* QSPI D3 GPIO pin configuration */
gpio_init_structure.Pin = QSPI_D3_PIN;
gpio_init_structure.Alternate = GPIO_AF9_QUADSPI;
HAL_GPIO_Init(QSPI_D3_GPIO_PORT, &gpio_init_structure);
/*##-3- Configure the NVIC for QSPI #########################################*/
/* NVIC configuration for QSPI interrupt */
HAL_NVIC_SetPriority(QUADSPI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(QUADSPI_IRQn);
}
/**
* @brief QSPI MSP De-Initialization
* This function frees the hardware resources used in this example:
* - Disable the Peripheral's clock
* - Revert GPIO and NVIC configuration to their default state
* @retval None
*/
__weak void BSP_QSPI_MspDeInit(QSPI_HandleTypeDef *hqspi, void *Params)
{
/*##-1- Disable the NVIC for QSPI ###########################################*/
HAL_NVIC_DisableIRQ(QUADSPI_IRQn);
/*##-2- Disable peripherals and GPIO Clocks ################################*/
/* De-Configure QSPI specific pins (not common to any other blocks) */
HAL_GPIO_DeInit(QSPI_D0_GPIO_PORT, QSPI_D0_PIN);
HAL_GPIO_DeInit(QSPI_D1_GPIO_PORT, QSPI_D1_PIN);
HAL_GPIO_DeInit(QSPI_D2_GPIO_PORT, QSPI_D2_PIN);
HAL_GPIO_DeInit(QSPI_D3_GPIO_PORT, QSPI_D3_PIN);
/*##-3- Reset peripherals ##################################################*/
/* Reset the QuadSPI memory interface */
QSPI_FORCE_RESET();
QSPI_RELEASE_RESET();
/* Disable the QuadSPI memory interface clock */
QSPI_CLK_DISABLE();
}
/**
* @brief QSPI MSP De-Initialization
* This function frees the hardware resources used in this example:
* - Disable the Peripheral's clock
* - Revert GPIO and NVIC configuration to their default state
* @retval None
*/
__weak void QSPI_N24Q_MspDeInit(void *Params)
{
/*##-1- Disable the NVIC for QSPI ###########################################*/
HAL_NVIC_DisableIRQ(QUADSPI_IRQn);
/*##-2- Disable peripherals and GPIO Clocks ################################*/
/* De-Configure QSPI pins */
HAL_GPIO_DeInit(QSPI_CS_GPIO_PORT, QSPI_CS_PIN);
HAL_GPIO_DeInit(QSPI_CLK_GPIO_PORT, QSPI_CLK_PIN);
HAL_GPIO_DeInit(QSPI_DX_GPIO_PORT, QSPI_D0_PIN);
HAL_GPIO_DeInit(QSPI_DX_GPIO_PORT, QSPI_D1_PIN);
HAL_GPIO_DeInit(QSPI_DX_GPIO_PORT, QSPI_D2_PIN);
HAL_GPIO_DeInit(QSPI_DX_GPIO_PORT, QSPI_D3_PIN);
/*##-3- Reset peripherals ##################################################*/
/* Reset the QuadSPI memory interface */
QSPI_FORCE_RESET();
QSPI_RELEASE_RESET();
/* Disable the QuadSPI memory interface clock */
QSPI_CLK_DISABLE();
}
/**
* @brief QSPI MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for requests by peripheral
* - NVIC configuration for DMA and QSPI interrupts
* @param hqspi: QSPI handle pointer
* @retval None
*/
void HAL_QSPI_MspInit(QSPI_HandleTypeDef *hqspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable the QuadSPI memory interface clock */
QSPI_CLK_ENABLE();
/* Reset the QuadSPI memory interface */
QSPI_FORCE_RESET();
QSPI_RELEASE_RESET();
/* Enable GPIO clocks */
QSPI_CS_GPIO_CLK_ENABLE();
QSPI_CLK_GPIO_CLK_ENABLE();
QSPI_D0_GPIO_CLK_ENABLE();
QSPI_D1_GPIO_CLK_ENABLE();
QSPI_D2_GPIO_CLK_ENABLE();
QSPI_D3_GPIO_CLK_ENABLE();
/* Enable DMA clock */
QSPI_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* QSPI CS GPIO pin configuration */
GPIO_InitStruct.Pin = QSPI_CS_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_QSPI;
HAL_GPIO_Init(QSPI_CS_GPIO_PORT, &GPIO_InitStruct);
/* QSPI CLK GPIO pin configuration */
GPIO_InitStruct.Pin = QSPI_CLK_PIN;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF9_QSPI;
HAL_GPIO_Init(QSPI_CLK_GPIO_PORT, &GPIO_InitStruct);
/* QSPI D0 GPIO pin configuration */
GPIO_InitStruct.Pin = QSPI_D0_PIN;
GPIO_InitStruct.Alternate = GPIO_AF10_QSPI;
HAL_GPIO_Init(QSPI_D0_GPIO_PORT, &GPIO_InitStruct);
/* QSPI D1 GPIO pin configuration */
GPIO_InitStruct.Pin = QSPI_D1_PIN;
GPIO_InitStruct.Alternate = GPIO_AF10_QSPI;
HAL_GPIO_Init(QSPI_D1_GPIO_PORT, &GPIO_InitStruct);
/* QSPI D2 GPIO pin configuration */
GPIO_InitStruct.Pin = QSPI_D2_PIN;
GPIO_InitStruct.Alternate = GPIO_AF9_QSPI;
HAL_GPIO_Init(QSPI_D2_GPIO_PORT, &GPIO_InitStruct);
/* QSPI D3 GPIO pin configuration */
GPIO_InitStruct.Pin = QSPI_D3_PIN;
GPIO_InitStruct.Alternate = GPIO_AF9_QSPI;
HAL_GPIO_Init(QSPI_D3_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the NVIC for QSPI #########################################*/
/* NVIC configuration for QSPI interrupt */
HAL_NVIC_SetPriority(QUADSPI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(QUADSPI_IRQn);
/*##-4- Configure the DMA channel ###########################################*/
/* QSPI DMA channel configuration */
hdma.Init.Channel = QSPI_DMA_CHANNEL;
hdma.Init.PeriphInc = DMA_PINC_DISABLE;
hdma.Init.MemInc = DMA_MINC_ENABLE;
hdma.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma.Init.Mode = DMA_NORMAL;
hdma.Init.Priority = DMA_PRIORITY_LOW;
hdma.Init.FIFOMode = DMA_FIFOMODE_DISABLE; /* FIFO mode disabled */
hdma.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma.Init.MemBurst = DMA_MBURST_SINGLE; /* Memory burst */
hdma.Init.PeriphBurst = DMA_PBURST_SINGLE; /* Peripheral burst */
hdma.Instance = QSPI_DMA_INSTANCE;
__HAL_LINKDMA(hqspi, hdma, hdma);
HAL_DMA_Init(&hdma);
/* NVIC configuration for DMA interrupt */
HAL_NVIC_SetPriority(QSPI_DMA_IRQ, 0x00, 0);
HAL_NVIC_EnableIRQ(QSPI_DMA_IRQ);
}