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Rémi Heredero
2023-11-26 20:13:49 +01:00
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ide-touchgfx-gen/Drivers/BSP/stm32746g_discovery_qspi.c Normal file
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/**
******************************************************************************
* @file stm32746g_discovery_qspi.c
* @author MCD Application Team
* @brief This file includes a standard driver for the N25Q128A QSPI
* memory mounted on STM32746G-Discovery board.
@verbatim
==============================================================================
##### How to use this driver #####
==============================================================================
[..]
(#) This driver is used to drive the N25Q128A QSPI external
memory mounted on STM32746G-Discovery board.
(#) This driver need a specific component driver (N25Q128A) to be included with.
(#) Initialization steps:
(++) Initialize the QPSI external memory using the BSP_QSPI_Init() function. This
function includes the MSP layer hardware resources initialization and the
QSPI interface with the external memory.
(#) QSPI memory operations
(++) QSPI memory can be accessed with read/write operations once it is
initialized.
Read/write operation can be performed with AHB access using the functions
BSP_QSPI_Read()/BSP_QSPI_Write().
(++) The function BSP_QSPI_GetInfo() returns the configuration of the QSPI memory.
(see the QSPI memory data sheet)
(++) Perform erase block operation using the function BSP_QSPI_Erase_Block() and by
specifying the block address. You can perform an erase operation of the whole
chip by calling the function BSP_QSPI_Erase_Chip().
(++) The function BSP_QSPI_GetStatus() returns the current status of the QSPI memory.
(see the QSPI memory data sheet)
@endverbatim
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Dependencies
- stm32f7xx_hal_qspi.c
- stm32f7xx_hal_gpio.c
- stm32f7xx_hal_cortex.c
- stm32f7xx_hal_rcc_ex.h
- n25q128a.h
EndDependencies */
/* Includes ------------------------------------------------------------------*/
#include "stm32746g_discovery_qspi.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32746G_DISCOVERY
* @{
*/
/** @defgroup STM32746G_DISCOVERY_QSPI STM32746G-Discovery QSPI
* @{
*/
/* Private variables ---------------------------------------------------------*/
/** @defgroup STM32746G_DISCOVERY_QSPI_Private_Variables STM32746G_DISCOVERY QSPI Private Variables
* @{
*/
QSPI_HandleTypeDef QSPIHandle;
/**
* @}
*/
/* Private functions ---------------------------------------------------------*/
/** @defgroup STM32746G_DISCOVERY_QSPI_Private_Functions STM32746G_DISCOVERY QSPI Private Functions
* @{
*/
static uint8_t QSPI_ResetMemory (QSPI_HandleTypeDef *hqspi);
static uint8_t QSPI_DummyCyclesCfg (QSPI_HandleTypeDef *hqspi);
static uint8_t QSPI_WriteEnable (QSPI_HandleTypeDef *hqspi);
static uint8_t QSPI_AutoPollingMemReady (QSPI_HandleTypeDef *hqspi, uint32_t Timeout);
/**
* @}
*/
/** @defgroup STM32746G_DISCOVERY_QSPI_Exported_Functions STM32746G_DISCOVERY QSPI Exported Functions
* @{
*/
/**
* @brief Initializes the QSPI interface.
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_Init(void)
{
QSPIHandle.Instance = QUADSPI;
/* Call the DeInit function to reset the driver */
if (HAL_QSPI_DeInit(&QSPIHandle) != HAL_OK)
{
return QSPI_ERROR;
}
/* System level initialization */
BSP_QSPI_MspInit(&QSPIHandle, NULL);
/* QSPI initialization */
QSPIHandle.Init.ClockPrescaler = 1; /* QSPI freq = 216 MHz/(1+1) = 108 Mhz */
QSPIHandle.Init.FifoThreshold = 4;
QSPIHandle.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE;
QSPIHandle.Init.FlashSize = POSITION_VAL(N25Q128A_FLASH_SIZE) - 1;
QSPIHandle.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_6_CYCLE; /* Min 50ns for nonRead */
QSPIHandle.Init.ClockMode = QSPI_CLOCK_MODE_0;
QSPIHandle.Init.FlashID = QSPI_FLASH_ID_1;
QSPIHandle.Init.DualFlash = QSPI_DUALFLASH_DISABLE;
if (HAL_QSPI_Init(&QSPIHandle) != HAL_OK)
{
return QSPI_ERROR;
}
/* QSPI memory reset */
if (QSPI_ResetMemory(&QSPIHandle) != QSPI_OK)
{
return QSPI_NOT_SUPPORTED;
}
/* Configuration of the dummy cycles on QSPI memory side */
if (QSPI_DummyCyclesCfg(&QSPIHandle) != QSPI_OK)
{
return QSPI_NOT_SUPPORTED;
}
return QSPI_OK;
}
/**
* @brief De-Initializes the QSPI interface.
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_DeInit(void)
{
QSPIHandle.Instance = QUADSPI;
/* Call the DeInit function to reset the driver */
if (HAL_QSPI_DeInit(&QSPIHandle) != HAL_OK)
{
return QSPI_ERROR;
}
/* System level De-initialization */
BSP_QSPI_MspDeInit(&QSPIHandle, NULL);
return QSPI_OK;
}
/**
* @brief Reads an amount of data from the QSPI memory.
* @param pData: Pointer to data to be read
* @param ReadAddr: Read start address
* @param Size: Size of data to read
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size)
{
QSPI_CommandTypeDef s_command;
/* Initialize the read command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = QUAD_INOUT_FAST_READ_CMD;
s_command.AddressMode = QSPI_ADDRESS_4_LINES;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.Address = ReadAddr;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_4_LINES;
s_command.DummyCycles = N25Q128A_DUMMY_CYCLES_READ_QUAD;
s_command.NbData = Size;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Configure the command */
if (HAL_QSPI_Command(&QSPIHandle, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Set S# timing for Read command */
MODIFY_REG(QSPIHandle.Instance->DCR, QUADSPI_DCR_CSHT, QSPI_CS_HIGH_TIME_3_CYCLE);
/* Reception of the data */
if (HAL_QSPI_Receive(&QSPIHandle, pData, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Restore S# timing for nonRead commands */
MODIFY_REG(QSPIHandle.Instance->DCR, QUADSPI_DCR_CSHT, QSPI_CS_HIGH_TIME_6_CYCLE);
return QSPI_OK;
}
/**
* @brief Writes an amount of data to the QSPI memory.
* @param pData: Pointer to data to be written
* @param WriteAddr: Write start address
* @param Size: Size of data to write
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size)
{
QSPI_CommandTypeDef s_command;
uint32_t end_addr, current_size, current_addr;
/* Calculation of the size between the write address and the end of the page */
current_size = N25Q128A_PAGE_SIZE - (WriteAddr % N25Q128A_PAGE_SIZE);
/* Check if the size of the data is less than the remaining place in the page */
if (current_size > Size)
{
current_size = Size;
}
/* Initialize the adress variables */
current_addr = WriteAddr;
end_addr = WriteAddr + Size;
/* Initialize the program command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = EXT_QUAD_IN_FAST_PROG_CMD;
s_command.AddressMode = QSPI_ADDRESS_4_LINES;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_4_LINES;
s_command.DummyCycles = 0;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Perform the write page by page */
do
{
s_command.Address = current_addr;
s_command.NbData = current_size;
/* Enable write operations */
if (QSPI_WriteEnable(&QSPIHandle) != QSPI_OK)
{
return QSPI_ERROR;
}
/* Configure the command */
if (HAL_QSPI_Command(&QSPIHandle, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Transmission of the data */
if (HAL_QSPI_Transmit(&QSPIHandle, pData, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Configure automatic polling mode to wait for end of program */
if (QSPI_AutoPollingMemReady(&QSPIHandle, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != QSPI_OK)
{
return QSPI_ERROR;
}
/* Update the address and size variables for next page programming */
current_addr += current_size;
pData += current_size;
current_size = ((current_addr + N25Q128A_PAGE_SIZE) > end_addr) ? (end_addr - current_addr) : N25Q128A_PAGE_SIZE;
} while (current_addr < end_addr);
return QSPI_OK;
}
/**
* @brief Erases the specified block of the QSPI memory.
* @param BlockAddress: Block address to erase
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_Erase_Block(uint32_t BlockAddress)
{
QSPI_CommandTypeDef s_command;
/* Initialize the erase command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = SUBSECTOR_ERASE_CMD;
s_command.AddressMode = QSPI_ADDRESS_1_LINE;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.Address = BlockAddress;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_NONE;
s_command.DummyCycles = 0;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Enable write operations */
if (QSPI_WriteEnable(&QSPIHandle) != QSPI_OK)
{
return QSPI_ERROR;
}
/* Send the command */
if (HAL_QSPI_Command(&QSPIHandle, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Configure automatic polling mode to wait for end of erase */
if (QSPI_AutoPollingMemReady(&QSPIHandle, N25Q128A_SUBSECTOR_ERASE_MAX_TIME) != QSPI_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @brief Erases the entire QSPI memory.
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_Erase_Chip(void)
{
QSPI_CommandTypeDef s_command;
/* Initialize the erase command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = BULK_ERASE_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_NONE;
s_command.DummyCycles = 0;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Enable write operations */
if (QSPI_WriteEnable(&QSPIHandle) != QSPI_OK)
{
return QSPI_ERROR;
}
/* Send the command */
if (HAL_QSPI_Command(&QSPIHandle, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Configure automatic polling mode to wait for end of erase */
if (QSPI_AutoPollingMemReady(&QSPIHandle, N25Q128A_BULK_ERASE_MAX_TIME) != QSPI_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @brief Reads current status of the QSPI memory.
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_GetStatus(void)
{
QSPI_CommandTypeDef s_command;
uint8_t reg;
/* Initialize the read flag status register command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = READ_FLAG_STATUS_REG_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_1_LINE;
s_command.DummyCycles = 0;
s_command.NbData = 1;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Configure the command */
if (HAL_QSPI_Command(&QSPIHandle, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Reception of the data */
if (HAL_QSPI_Receive(&QSPIHandle, &reg, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Check the value of the register */
if ((reg & (N25Q128A_FSR_PRERR | N25Q128A_FSR_VPPERR | N25Q128A_FSR_PGERR | N25Q128A_FSR_ERERR)) != 0)
{
return QSPI_ERROR;
}
else if ((reg & (N25Q128A_FSR_PGSUS | N25Q128A_FSR_ERSUS)) != 0)
{
return QSPI_SUSPENDED;
}
else if ((reg & N25Q128A_FSR_READY) != 0)
{
return QSPI_OK;
}
else
{
return QSPI_BUSY;
}
}
/**
* @brief Return the configuration of the QSPI memory.
* @param pInfo: pointer on the configuration structure
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_GetInfo(QSPI_Info* pInfo)
{
/* Configure the structure with the memory configuration */
pInfo->FlashSize = N25Q128A_FLASH_SIZE;
pInfo->EraseSectorSize = N25Q128A_SUBSECTOR_SIZE;
pInfo->EraseSectorsNumber = (N25Q128A_FLASH_SIZE/N25Q128A_SUBSECTOR_SIZE);
pInfo->ProgPageSize = N25Q128A_PAGE_SIZE;
pInfo->ProgPagesNumber = (N25Q128A_FLASH_SIZE/N25Q128A_PAGE_SIZE);
return QSPI_OK;
}
/**
* @brief Configure the QSPI in memory-mapped mode
* @retval QSPI memory status
*/
uint8_t BSP_QSPI_EnableMemoryMappedMode(void)
{
QSPI_CommandTypeDef s_command;
QSPI_MemoryMappedTypeDef s_mem_mapped_cfg;
/* Configure the command for the read instruction */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = QUAD_INOUT_FAST_READ_CMD;
s_command.AddressMode = QSPI_ADDRESS_4_LINES;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_4_LINES;
s_command.DummyCycles = N25Q128A_DUMMY_CYCLES_READ_QUAD;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Configure the memory mapped mode */
s_mem_mapped_cfg.TimeOutActivation = QSPI_TIMEOUT_COUNTER_DISABLE;
s_mem_mapped_cfg.TimeOutPeriod = 0;
if (HAL_QSPI_MemoryMapped(&QSPIHandle, &s_command, &s_mem_mapped_cfg) != HAL_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @}
*/
/** @addtogroup STM32746G_DISCOVERY_QSPI_Private_Functions
* @{
*/
/**
* @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_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_AF9_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_AF9_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 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 This function reset the QSPI memory.
* @param hqspi: QSPI handle
* @retval None
*/
static uint8_t QSPI_ResetMemory(QSPI_HandleTypeDef *hqspi)
{
QSPI_CommandTypeDef s_command;
/* Initialize the reset enable command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = RESET_ENABLE_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_NONE;
s_command.DummyCycles = 0;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Send the command */
if (HAL_QSPI_Command(hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Send the reset memory command */
s_command.Instruction = RESET_MEMORY_CMD;
if (HAL_QSPI_Command(hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Configure automatic polling mode to wait the memory is ready */
if (QSPI_AutoPollingMemReady(hqspi, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != QSPI_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @brief This function configure the dummy cycles on memory side.
* @param hqspi: QSPI handle
* @retval None
*/
static uint8_t QSPI_DummyCyclesCfg(QSPI_HandleTypeDef *hqspi)
{
QSPI_CommandTypeDef s_command;
uint8_t reg;
/* Initialize the read volatile configuration register command */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = READ_VOL_CFG_REG_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_1_LINE;
s_command.DummyCycles = 0;
s_command.NbData = 1;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
/* Configure the command */
if (HAL_QSPI_Command(hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Reception of the data */
if (HAL_QSPI_Receive(hqspi, &reg, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Enable write operations */
if (QSPI_WriteEnable(hqspi) != QSPI_OK)
{
return QSPI_ERROR;
}
/* Update volatile configuration register (with new dummy cycles) */
s_command.Instruction = WRITE_VOL_CFG_REG_CMD;
MODIFY_REG(reg, N25Q128A_VCR_NB_DUMMY, (N25Q128A_DUMMY_CYCLES_READ_QUAD << POSITION_VAL(N25Q128A_VCR_NB_DUMMY)));
/* Configure the write volatile configuration register command */
if (HAL_QSPI_Command(hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Transmission of the data */
if (HAL_QSPI_Transmit(hqspi, &reg, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @brief This function send a Write Enable and wait it is effective.
* @param hqspi: QSPI handle
* @retval None
*/
static uint8_t QSPI_WriteEnable(QSPI_HandleTypeDef *hqspi)
{
QSPI_CommandTypeDef s_command;
QSPI_AutoPollingTypeDef s_config;
/* Enable write operations */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = WRITE_ENABLE_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_NONE;
s_command.DummyCycles = 0;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
if (HAL_QSPI_Command(hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
/* Configure automatic polling mode to wait for write enabling */
s_config.Match = N25Q128A_SR_WREN;
s_config.Mask = N25Q128A_SR_WREN;
s_config.MatchMode = QSPI_MATCH_MODE_AND;
s_config.StatusBytesSize = 1;
s_config.Interval = 0x10;
s_config.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
s_command.Instruction = READ_STATUS_REG_CMD;
s_command.DataMode = QSPI_DATA_1_LINE;
if (HAL_QSPI_AutoPolling(hqspi, &s_command, &s_config, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @brief This function read the SR of the memory and wait the EOP.
* @param hqspi: QSPI handle
* @param Timeout
* @retval None
*/
static uint8_t QSPI_AutoPollingMemReady(QSPI_HandleTypeDef *hqspi, uint32_t Timeout)
{
QSPI_CommandTypeDef s_command;
QSPI_AutoPollingTypeDef s_config;
/* Configure automatic polling mode to wait for memory ready */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.Instruction = READ_STATUS_REG_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DataMode = QSPI_DATA_1_LINE;
s_command.DummyCycles = 0;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
s_config.Match = 0;
s_config.Mask = N25Q128A_SR_WIP;
s_config.MatchMode = QSPI_MATCH_MODE_AND;
s_config.StatusBytesSize = 1;
s_config.Interval = 0x10;
s_config.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
if (HAL_QSPI_AutoPolling(hqspi, &s_command, &s_config, Timeout) != HAL_OK)
{
return QSPI_ERROR;
}
return QSPI_OK;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32746g_discovery_qspi.h
* @author MCD Application Team
* @brief This file contains the common defines and functions prototypes for
* the stm32746g_discovery_qspi.c driver.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32746G_DISCOVERY
* @{
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32746G_DISCOVERY_QSPI_H
#define __STM32746G_DISCOVERY_QSPI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f7xx_hal.h"
#include "../Components/n25q128a/n25q128a.h"
/** @addtogroup STM32746G_DISCOVERY_QSPI
* @{
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup STM32746G_DISCOVERY_QSPI_Exported_Constants STM32746G_DISCOVERY_QSPI Exported Constants
* @{
*/
/* QSPI Error codes */
#define QSPI_OK ((uint8_t)0x00)
#define QSPI_ERROR ((uint8_t)0x01)
#define QSPI_BUSY ((uint8_t)0x02)
#define QSPI_NOT_SUPPORTED ((uint8_t)0x04)
#define QSPI_SUSPENDED ((uint8_t)0x08)
/* Definition for QSPI clock resources */
#define QSPI_CLK_ENABLE() __HAL_RCC_QSPI_CLK_ENABLE()
#define QSPI_CLK_DISABLE() __HAL_RCC_QSPI_CLK_DISABLE()
#define QSPI_CS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define QSPI_CLK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define QSPI_D0_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
#define QSPI_D1_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
#define QSPI_D2_GPIO_CLK_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
#define QSPI_D3_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
#define QSPI_FORCE_RESET() __HAL_RCC_QSPI_FORCE_RESET()
#define QSPI_RELEASE_RESET() __HAL_RCC_QSPI_RELEASE_RESET()
/* Definition for QSPI Pins */
#define QSPI_CS_PIN GPIO_PIN_6
#define QSPI_CS_GPIO_PORT GPIOB
#define QSPI_CLK_PIN GPIO_PIN_2
#define QSPI_CLK_GPIO_PORT GPIOB
#define QSPI_D0_PIN GPIO_PIN_11
#define QSPI_D0_GPIO_PORT GPIOD
#define QSPI_D1_PIN GPIO_PIN_12
#define QSPI_D1_GPIO_PORT GPIOD
#define QSPI_D2_PIN GPIO_PIN_2
#define QSPI_D2_GPIO_PORT GPIOE
#define QSPI_D3_PIN GPIO_PIN_13
#define QSPI_D3_GPIO_PORT GPIOD
/* N25Q128A13EF840E Micron memory */
/* Size of the flash */
#define QSPI_FLASH_SIZE 23 /* Address bus width to access whole memory space */
#define QSPI_PAGE_SIZE 256
/* This alias is added as the name of Memory mapped fucntion changed */
#define BSP_QSPI_MemoryMappedMode BSP_QSPI_EnableMemoryMappedMode
/**
* @}
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup STM32746G_DISCOVERY_QSPI_Exported_Types STM32746G_DISCOVERY_QSPI Exported Types
* @{
*/
/* QSPI Info */
typedef struct {
uint32_t FlashSize; /*!< Size of the flash */
uint32_t EraseSectorSize; /*!< Size of sectors for the erase operation */
uint32_t EraseSectorsNumber; /*!< Number of sectors for the erase operation */
uint32_t ProgPageSize; /*!< Size of pages for the program operation */
uint32_t ProgPagesNumber; /*!< Number of pages for the program operation */
} QSPI_Info;
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup STM32746G_DISCOVERY_QSPI_Exported_Functions
* @{
*/
uint8_t BSP_QSPI_Init (void);
uint8_t BSP_QSPI_DeInit (void);
uint8_t BSP_QSPI_Read (uint8_t* pData, uint32_t ReadAddr, uint32_t Size);
uint8_t BSP_QSPI_Write (uint8_t* pData, uint32_t WriteAddr, uint32_t Size);
uint8_t BSP_QSPI_Erase_Block(uint32_t BlockAddress);
uint8_t BSP_QSPI_Erase_Chip (void);
uint8_t BSP_QSPI_GetStatus (void);
uint8_t BSP_QSPI_GetInfo (QSPI_Info* pInfo);
uint8_t BSP_QSPI_EnableMemoryMappedMode(void);
/* These functions can be modified in case the current settings
need to be changed for specific application needs */
void BSP_QSPI_MspInit(QSPI_HandleTypeDef *hqspi, void *Params);
void BSP_QSPI_MspDeInit(QSPI_HandleTypeDef *hqspi, void *Params);
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32746G_DISCOVERY_QSPI_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/